Bolthole Index

Summit County, Utah

Building permits, zoning and land rules in Summit County, Utah

54Index Score / 100
#8 of 29 in Utah

Unincorporated Summit County, Utah requires a building permit for most construction, alterations and demolition, with limited exceptions for small accessory and qualifying agricultural buildings.1 County zoning follows either the Snyderville Basin or Eastern Summit County development code, depending on the parcel.2 Onsite wastewater permits come from the Summit County Health Department, which also requires periodic septic inspection, maintenance and servicing.34

At a glance

Building permit
Required for most construction, alterations and demolition in unincorporated areas1
Zoning
Yes in unincorporated areas; the applicable code depends on the planning district2
Septic
Health Department permits and ongoing inspection, maintenance and servicing are required54
RV living
Private-land occupancy is not answered by the statewide RV-park rule; ask County Planning about the parcel67
Tiny home
No universal rule confirmed; classification and parcel zoning control87
Owner-builder
Available under a conditional certification process; permits and inspections still apply9
Private well
A valid water right and state Start Card are required before construction10
Minimum lot size
District-specific; qualifying agricultural-preservation subdivisions can use 0.75-acre lots11

Who to call

Building permits

Summit County Building Department

Building permits, plan review and inspections

435-336-3124

buildingquestions@summitcountyutah.gov

60 North Main Street, P.O. Box 128, Coalville, UT 84017

Online permits →

Planning & zoning

Summit County Planning Department

Land-use regulation and planning permits in unincorporated Summit County

435-336-3124

planningquestions@summitcountyutah.gov

60 North Main Street, P.O. Box 128, Coalville, UT 84017

Septic permits

Environmental Health Division, Summit County Health Department

Onsite wastewater systems and septic complaints

435-336-3224

summitenviro@summitcounty.org

650 Round Valley Drive, Park City, Utah 84060

Floodplain permits

Summit County Engineering Division

Floodplain development applications

(435) 336-3250

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

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Do you need a building permit in Summit County, Utah?

Unincorporated Summit County requires a building permit for construction, enlargement, alteration, repair, movement, improvement, removal, conversion or demolition of a building or structure, including solar installations.1 The county lists exceptions for commercial accessory buildings smaller than 120 square feet, residential accessory buildings smaller than 200 square feet, certain agricultural buildings and fences below 7 feet, but it does not define every agricultural building that qualifies.12 A qualifying agricultural structure must be used only for agriculture and not for human occupancy, and the exemption does not remove zoning, setback or height obligations.13

Utah's statewide construction standards apply to building construction, alteration, remodeling and repair, including the adopted 2024 International Building Code subject to statewide and local amendments.14 Building-permit projects are inspected, and the county says its mandatory inspection sequence may be supplemented for a particular job.15

Who issues building permits in Summit County, Utah?

For unincorporated land, the Summit County Building Department handles building permits, plan review and inspections.16 The county processes all building-permit submissions, reviews and issuance through EPROCESS 360; it does not accept paper plans or provide over-the-counter reviews.17 Required checklist documents must accompany the application, and incomplete packages are rejected for resubmission.17

Start with the Summit County Planning Department because some projects need a separate planning approval before the building application.17 Permit costs are project-specific: certain developments may owe transportation impact fees, and applicability is decided during building-permit review rather than by one uniform amount.18 For new construction, final Building and Engineering approvals are required before a certificate of occupancy can be issued, along with other applicable agency approvals.19

Inside Park City, the city handles building permits.20 Coalville requires a city installation permit for recreational park trailers; that requirement does not establish the city's building-permit rules for every structure.21 Septic permitting remains with the Summit County Health Department.3

Does Summit County, Utah have zoning?

Unincorporated Summit County has county-administered zoning under separate development codes: Snyderville Basin around Park City, and Eastern Summit County around Henefer, Coalville, Oakley, Kamas and Francis.2 Inside city limits, Park City, Kamas, Oakley and Coalville administer their own zoning.22232425 Septic approval remains with the Summit County Health Department.3

Eastern Summit County density standards are not universal minimum lot sizes: Agriculture Protection uses 40 acres per dwelling, and AG-100 and AG-160 use 100 and 160 acres respectively.262728 A qualifying Cluster Bonus/Agricultural Preservation Subdivision may have 0.75-acre lots, or smaller lots with Health Department approval, but those lots cannot be subdivided again.11 On conforming Agriculture Protection lots, structures need 100 feet from a public road right-of-way and 50 feet from side and rear lot lines; maximum building height is 32 feet.2930 Commercial and industrial zones cap lot coverage at 60%, subject to further parking, circulation and site-design constraints.3132

How do septic permits work in Summit County, Utah?

The Summit County Health Department must issue a permit before anyone installs, constructs, alters, replaces, enlarges, extends or otherwise modifies an onsite wastewater system.5 A conventional or advanced-system permit is valid for 1 year and can be renewed twice for 1 additional year each; repair or remodeling of an existing or failing system requires a repair/remodel permit.5 Summit County requires periodic septic inspection, maintenance and servicing, with greater oversight for complex systems; violations can lead to closure to human occupancy, abatement and billing of abatement costs.4

Site feasibility deserves early attention because only about 3.8% of mapped county soils avoid a severe USDA limitation rating for a conventional septic drain field.33 Ask Summit County Environmental Health about septic feasibility before fixing a house location.3 Changing a property's use, expanding a dwelling or adding an accessory structure larger than 120 square feet also triggers Health Department review of system adequacy.5 Final wastewater approval is required for a permitted project served by septic before the applicable certificate of occupancy.19

Can you live in an RV or tiny home in Summit County, Utah?

We could not confirm a countywide rule allowing RV occupancy on private land in Summit County. Utah's RV-park rule addresses temporary living quarters inside an RV park and requires the park to comply with local zoning, building, health and fire rules; it is not permission to occupy an RV on any parcel.6 Where a parcel lies in a mapped flood zone (A1-30, AH or AE), an RV must be on the site fewer than 180 consecutive days, be fully licensed and ready for highway use, or meet the county's floodplain permit, elevation and anchoring rules.34 Ask the Summit County Planning Department how the applicable development code treats the proposed use.735

We also could not confirm one operative countywide tiny-home rule. A small dwelling does not bypass the general building-permit requirement merely because it is called a tiny home.1 Eastern Summit County provides a clearer path for mobile homes: a mobile home with a foundation is allowed in the AP, AG-100, AG-160, CA and HC districts, while a mobile home without a foundation is conditional in those districts.36 Classification matters, so have County Planning confirm whether the proposed unit is a mobile, manufactured, modular or site-built home.36

What are the steps to build a home in Summit County, Utah?

  1. For unincorporated land, identify the Snyderville Basin or Eastern Summit County planning district, then ask County Planning for parcel zoning and required planning approval.235
  1. Resolve water and wastewater early: a private well needs a valid water right and a Start Card before construction, while onsite wastewater goes through the Summit County Health Department.103
  1. Prepare the applicable building checklist and submit the complete package through EPROCESS 360; paper plans are not accepted.17
  1. Provide a geotechnical report when the lot slope is 15% or greater, and account for any required planning approval or transportation impact fee review.118
  1. Complete the required inspections and obtain final approvals from every applicable department or utility before occupancy.1519

What should you check before buying land in Summit County, Utah?

Verify jurisdiction, zoning and legal-lot status before relying on a listing: unincorporated Summit County uses separate Snyderville Basin and Eastern Summit County codes.7 Eastern Summit generally requires a lot of record or legally created lot for a dwelling, subdivision or other development action.37 A bona fide division of qualifying agricultural land can avoid the ordinary subdivision or platting process only while the land remains agricultural; later nonagricultural use must comply with the development code.38

Investigate wastewater, water, slope, flood exposure and legal access before designing. Only about 23.7% of county land has a slope of 15% or less, and the county requires geotechnical reports when a permit lot reaches the 15% slope threshold.391 Development in mapped Flood Zone A requires a floodplain permit, engineering calculations and elevation documentation.40 County-road driveways have dimensional and grade standards, while state-highway access requires a state conditional access permit.4142

Watch-outs

  • A building permit does not replace planning approval; Summit County says some projects need the planning permit first.17
  • Owner-builder status is a contractor-licensing exemption with strict limits, not an exemption from Summit County permits, inspections or codes.9
  • For private-land RV occupancy, tiny-home occupancy and a countywide minimum dwelling size, obtain a parcel-specific answer from Summit County Planning because we could not confirm one universal rule.687

Sources

  1. Summit County Utah Building Department | Permits, Inspections & Construction Services, quoted and re-checked
  2. Development Codes for Summit County, Utah, quoted and re-checked
  3. Local Health Departments and District Engineers, quoted and re-checked
  4. Summit County Code of Health, version 5.0 revised June 2026, quoted and re-checked
  5. Summit County Code of Health, version 5.0 revised June 2026, quoted and re-checked
  6. Utah Administrative Code Rule R392-301, Recreational Vehicle Parks (Utah statewide rule), quoted and re-checked
  7. Development Codes for Summit County, Utah, quoted and re-checked
  8. OPRO Accessory Dwellings (ADU's) and other dwelling types (Utah statewide rule), quoted and re-checked
  9. Owner / Builder Certification Agreement, quoted and re-checked
  10. Water Well Drilling Information, quoted and re-checked
  11. Eastern Summit County Development Code, quoted and re-checked
  12. Summit County Utah Building Department, quoted and re-checked
  13. Agricultural Exempt Application, quoted and re-checked
  14. Utah Code § 15A-2-103, Specific editions adopted of construction code, quoted and re-checked
  15. Required Inspection Checklist, quoted and re-checked
  16. Summit County Building Department (summitcountyutah.gov)
  17. Summit County Utah Building Department, quoted and re-checked
  18. Summit County Utah Building Department, quoted and re-checked
  19. Items needed to receive a Certificate of Occupancy, quoted and re-checked
  20. Park City: Building Permit Frequently Asked Questions (Summit County), quoted and re-checked
  21. Coalville: Coalville Development Code § 25-030 Installation (Summit County), quoted and re-checked
  22. Park City: Municipal Codes, Ordinances, Resolutions, Policies and Fees (Summit County), quoted and re-checked
  23. Kamas: Kamas Municipal Code § 15.01.040, How to use this chapter (Summit County), quoted and re-checked
  24. Oakley: Oakley City Land Management and Development Code (Summit County), quoted and re-checked
  25. Coalville: Coalville Development Code § 08-010 Establishment of Zones (Summit County), quoted and re-checked
  26. Title 11, Eastern Summit County Development Code, quoted and re-checked
  27. Title 11, Eastern Summit County Development Code, quoted and re-checked
  28. Title 11, Eastern Summit County Development Code, quoted and re-checked
  29. Title 11, Eastern Summit County Development Code, quoted and re-checked
  30. Title 11, Eastern Summit County Development Code, quoted and re-checked
  31. Title 11, Eastern Summit County Development Code, quoted and re-checked
  32. Title 11, Eastern Summit County Development Code, quoted and re-checked
  33. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  34. Summit County Flood Control, 12-4-2 Specific Standards, quoted and re-checked
  35. Summit County Planning Department (summitcountyutah.gov)
  36. Development Codes for Summit County, Utah, quoted and re-checked
  37. Eastern Summit County Development Code, quoted and re-checked
  38. Eastern Summit County Development Code, quoted and re-checked
  39. Share of land at 15% slope or less: Bolthole Index county data
  40. Summit County Engineering Encroachment Permit Review Checklist, quoted and re-checked
  41. Summit County Engineering Encroachment Permit Review Checklist, quoted and re-checked
  42. Conditional Access Permit (Utah statewide rule), quoted and re-checked

Written October 11, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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Compared with neighboring counties

Like all 6 of its neighbors, Summit County requires a building permit for a home.

RuleSummit CountyDuchesne CountyWasatch CountyMorgan CountyRich CountyDaggett CountySalt Lake County
Building permitRequiredRequiredRequiredRequiredRequiredRequiredRequired
County zoningYesYesYesYesYesYesYes
Septic permitsCounty Health Dept.TriCounty Health Dept.County Health Dept.Weber-Morgan Health Dept.Bear River Health Dept.TriCounty Health Dept.County Health Dept.

County locator

Summit County in Utah

54
County map
Summit County highlighted among the Utah counties · colored by Index score

How Summit County scores

Seclusion58100% ev.
Self-Sufficiency41100% ev.
Admin Boringness40100% ev.
Durability40100% ev.
Property Autonomy60100% ev.
Carry Cost66100% ev.

Evidence strength: 100%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$1339kTypical home
0.3%Property tax
$4,336Land / acre
26"Annual rain
22.2% of yrsSevere drought
0.1 / yr (+0.1)Mid-century 100°F days
22.6 daysMid-century dry spell
1.32" (+5.3%)Mid-century 1-day rain
1.2×Wildfire change factor
100%Forward climate coverage
$1,790Home insurance / yr
5.9% / yrInsurance growth
1.49%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
3,998Radius comparison (15 mi)
22.9People / sq mi
44.5%Federal land
23.7%Land at 15% slope or less
3.8%Soils rated "not limited" for septic (strict USDA rating)
39,970 acWorkable land screen
61.4%Wooded land
19.8 tonsBiomass / forest ac
39.3°FAvg temp

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Cities and towns in Summit County

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

Not yet researched: Town of Henefer

Answers from the rulebook for Summit County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Summit County rules

  • Building permitRequired

    Construction, enlargement, alteration, repair, movement, improvement, removal, conversion, or demolition of buildings or structures in Summit County, including solar photovoltaic installations.

    • Exceptions stated by the county include commercial accessory buildings less than 120 square feet.
    • Exceptions stated by the county include residential accessory buildings less than 200 square feet.
    • Exceptions stated by the county include certain agricultural buildings.
    • Exceptions stated by the county include fences less than 7 feet in height.
    • Certain projects may require separate planning approval before submitting a building permit application.
    • For permits where the lot slope is 15% or greater, geotechnical reports are required.
    • Transportation impact fees may apply to certain development projects, with applicability determined during building permit review.

    commercial accessory building exemption threshold: < 120 square feet (County states commercial accessory buildings less than 120 square feet are excepted.) · residential accessory building exemption threshold: < 200 square feet (County states residential accessory buildings less than 200 square feet are excepted.) · fence exemption threshold: < 7 feet in height (County states fences less than 7 feet in height are excepted.) · lot slope geotechnical-report threshold: >= 15 percent (Geotechnical reports are required for permits where the slope of the lot is 15% or greater.)

    “Summit County requires a Building Permit for the construction, enlargement, alteration, repair, movement, improvement, removal, conversion, or demolition of any building or structure.”
  • Owner-builder exemptionConditional

    Owner-builders using Summit County's owner/builder certification process for new residential construction or remodel/addition work.

    • For new residential construction, the applicant must be the sole owner of the property and construction project.
    • For new residential construction, the project must be the only residential structure the applicant has built that year.
    • The applicant must not have built more than three residential structures in the past five years.
    • The improvements must be for personal, non-commercial, non-public use.
    • Work may be performed by the sole owner, a licensed contractor, qualifying employees with workers compensation and payroll compliance, or persons under the owner's supervision receiving no compensation or only token compensation.
    • Retaining an unlicensed contractor or compensating an unlicensed person beyond token compensation, other than as an employee for wages, may constitute a Class A misdemeanor and may result in an administrative fine of up to $2,000 per day.
    • The form must be filed with the city or county building department where the work is performed; the building department forwards it to the Utah Division of Professional Licensing.
    • This exemption concerns contractor licensing and does not eliminate the separate Summit County building permit requirement.

    new residential structures per year: 1 structure (The certification states the project must be the only residential structure the applicant has built that year.) · new residential structures in five years: <= 3 structures (The certification states the applicant must not have built more than three residential structures in the past five years.) · administrative fine maximum: <= 2000 USD per day (Applies if the owner retains an unlicensed contractor or improperly compensates an unlicensed person.)

    “I have not built more than three residential structures in the past five years.”
  • InspectionsRequired

    Building-permit construction projects subject to Summit County's inspection checklist and applicable inspections.

    • The county states that the listed inspections are mandatory, while additional inspections may be needed for a specific job.
    • The first seven inspections are required to be completed in order.
    • Rough grade engineering inspection is required before footing inspection.
    • Footing inspection is scheduled after steel is in place and before concrete is poured; setbacks are checked.
    • Foundation inspection is scheduled after steel is in place in the forms and before concrete is placed.
    • Sub-rough plumbing and heating inspection applies if applicable.
    • Certificate of elevation or survey is required before scheduling a shear wall inspection.
    • Shear wall nailing is required before the 4-way inspection.
    • Fire sprinkler inspection is required before the 4-way inspection when fire sprinklers are required.
    • Final inspection requires appliances, furnace, and water heaters installed and working, final grade completed, and copies of required final approvals on site.
    • Special inspections may be required for projects and are performed by an independent third party, not Summit County inspectors.
    • Some areas along Mirror Lake Highway are not given specific inspection times for certain inspections because of significant travel distance.
    “The following inspections are mandatory (others may also be needed on your specific job). The first seven are required to be completed in order.”
  • Certificate of occupancyLimited

    New construction and other Summit County permits or projects for which a certificate of occupancy is required.

    • For new construction, final Building and Engineering inspections must be performed and approved before issuance.
    • A final Engineering inspection is not required for a tenant improvement.
    • A final Fire Inspection report is required for all dwelling-unit permits to verify life-safety systems, access methods, and identification.
    • If fire sprinklers were required, a final Fire Sprinkler Inspection report from the applicable Fire District is required.
    • For projects on a well, final water approval is not necessary, but the well log must be uploaded in the final documents.
    • For projects on a water system, a final approval letter or authorization to use is required.
    • For projects on a sewer system, a final approval letter or authorization to use from Snyderville Basin Water Reclamation District is required.
    • For projects on a septic tank, final wastewater approval from the Health Department is required.
    • Planning approval is required only for projects requiring a final site plan through Planning; the county states this excludes most single-family dwellings.
    • An approved final inspection does not itself constitute a Certificate of Occupancy.
    • A Certificate of Occupancy is issued only when all applicable departments or agencies have approved their portion.
    • Not all permits receive a Certificate of Occupancy; issuance depends on the permit type.
    “Prior to issuance of a C.O. for new construction, final Building and Engineering inspections are required to be performed and approved.”
  • County-wide zoningPresent (with conditions)

    County-administered zoning in unincorporated Summit County, including the Snyderville Basin and Eastern Summit County.

    • Properties in the Snyderville Basin, the unincorporated area surrounding Park City Municipal, are regulated by the Snyderville Basin Development Code.
    • Properties in Eastern Summit County, the unincorporated area surrounding Henefer, Coalville, Oakley, Kamas, and Francis, are regulated by the Eastern Summit County Development Code.
    • This claim does not establish county administration of zoning inside incorporated municipalities.
    “Properties located in the Snyderville Basin, the unincorporated area surrounding Park City Municipal, are regulated by the Snyderville Basin Development Code. Properties located in Eastern Summit County, the unincorporated area surrounding the cities of Henefer, Coalville, Oakley, Kamas, and Francis, are regulated by the Eastern Summit County Development Code.”
  • Local zoningVaries (with conditions)

    Countywide aggregate of local zoning in Summit County, with different county development codes applying to the Snyderville Basin and Eastern Summit County unincorporated areas.

    • The Snyderville Basin and Eastern Summit County have separate development codes.
    • The cited county source addresses unincorporated areas and does not establish the zoning rules administered inside incorporated municipalities.
    • Additional parcel-specific zoning, development standards, and approval requirements depend on the applicable development-code area and district.
    “Properties located in the Snyderville Basin, the unincorporated area surrounding Park City Municipal, are regulated by the Snyderville Basin Development Code. Properties located in Eastern Summit County, the unincorporated area surrounding the cities of Henefer, Coalville, Oakley, Kamas, and Francis, are regulated by the Eastern Summit County Development Code.”
  • Zoning districtsPublished

    Unincorporated Summit County. The Snyderville Basin and Eastern Summit County are governed by separate county development codes.

    • Properties in the Snyderville Basin, the unincorporated area surrounding Park City Municipal, are regulated by the Snyderville Basin Development Code.
    • Properties in Eastern Summit County, the unincorporated area surrounding Henefer, Coalville, Oakley, Kamas, and Francis, are regulated by the Eastern Summit County Development Code.
    • Incorporated municipalities have separate governmental and planning authorities; this claim does not apply to those municipal jurisdictions.
    “Properties located in the Snyderville Basin, the unincorporated area surrounding Park City Municipal, are regulated by the Snyderville Basin Development Code. Properties located in Eastern Summit County, the unincorporated area surrounding the cities of Henefer, Coalville, Oakley, Kamas, and Francis, are regulated by the Eastern Summit County Development Code.”
  • Minimum lot sizeSpecified

    Cluster Bonus/Agricultural Preservation Subdivisions in Eastern Summit County's Agricultural Preservation zone.

    • The parcel must qualify for the Cluster Bonus/Agricultural Preservation Subdivision process.
    • The parcel must be a lawfully created lot of record not within an existing platted subdivision.
    • Smaller lots may be approved when deemed more appropriate to preserve agricultural uses on the property and approved by the Health Department.
    • The project must comply with the Development Evaluation Standards and Infrastructure Standards.
    • Once a lot has been created through this process, it is no longer eligible for further subdivision.

    minimum lot size: 0.75 acre (unless smaller lots are deemed more appropriate to preserve the agricultural uses on the property and are approved by the Health Department)

    “The minimum lot size will be three-fourths (3/4) acre unless smaller lots are deemed more appropriate to preserve the agricultural uses on the property and are approved by the Health Department. (Ord. 481, 3-1-2004)”
    3 more reviewed findings on this topic
    • District specific (with conditions) — Residential density in the Agriculture Protection (AP) zone of Eastern Summit County.
      “B. Area: Minimum land area for each dwelling unit for density purposes is forty (40) acres, except as provided for in Section 11-4-4 or Section 11-4-5 of this Title.”
    • District specific (with conditions) — Residential density in the Agriculture-Grazing 100 (AG-100) zone of Eastern Summit County.
      “B. Area: Minimum land area for each dwelling unit for density purposes is one hundred (100) acres. (Ord. 48, 3-1-2004)”
    • District specific (with conditions) — Residential density in the Agriculture-Grazing 160 (AG-160) zone of Eastern Summit County.
      “B. Area: Minimum land area for each dwelling unit for density purposes is one hundred sixty (160) acres. (Ord. 481, 3-1-2004)”
  • SetbacksDistrict specific (with conditions)

    Structures in the Agriculture Protection (AP) zone of Eastern Summit County.

    • Unless otherwise noted on a recorded plat, the minimum front setback is 100 feet from a public road right-of-way or 120 feet from the public roadway centerline where no right-of-way is designated.
    • Variations in front setbacks are allowed to meet development approval criteria.
    • On conforming parcels/lots, minimum side and rear setbacks are 50 feet.
    • Wetland setbacks are 40 feet and setbacks from naturally occurring year-round streams, lakes, ponds, or reservoirs are 100 feet from the ordinary high water mark.
    • For non-conforming lots less than five acres, default front setback is 30 feet from the front property line, or 55 feet from the road centerline where property lines extend to the centerline; side and rear setbacks are 12 feet.
    • For non-conforming parcels larger than five acres, decreased setbacks may be justified by the CDD or designated planning staff member, but may not be less than the default setbacks unless a Board of Adjustment variance is granted.

    front setback from public road right-of-way: >= 100 feet (120 feet from roadway centerline where no designated right-of-way) · side setback on conforming parcels/lots: >= 50 feet · rear setback on conforming parcels/lots: >= 50 feet · wetland setback: >= 40 feet · setback from naturally occurring year-round stream, lake, pond, or reservoir: >= 100 feet (measured from ordinary high water mark)

    “C. Setbacks: Unless otherwise noted on a recorded plat, minimum setback shall be at least one hundred feet (100') from any public road right-of-way or, in the absence of a designated right-of-way, at least one hundred twenty feet (120') from the centerline of the public roadway. Variations in front setbacks are allowed to meet development approval criteria. On all conforming parcels/lots, the minimum side and rear setbacks shall be fifty feet (50').”
  • Lot coverageSpecified

    Commercial zones in Eastern Summit County.

    • Lot coverage is also constrained by off-street parking, adequate circulation, and other site-design requirements.

    maximum lot coverage: <= 60 percent of lot (Commercial-zone floor area and lot coverage requirements are also dictated by off-street parking, adequate circulation, and other site design requirements.)

    “D. Floor Area and Lot Coverage: Floor area and lot coverage requirements in the Commercial Zones shall be dictated by off-street parking, adequate circulation and other site design requirements and development standards. The maximum floor area or lot coverage shall not exceed sixty (60) percent of the lot.”
    One more reviewed finding on this topic
    • Specified — Industrial zones in Eastern Summit County.
      “D. Floor Area and Lot Coverage: Floor area and lot coverage requirements in the Industrial zones shall be dictated by off-street parking, adequate circulation and other site design requirements and development standards. The maximum floor area or lot coverage shall not exceed sixty (60) percent of the lot.”
  • Building heightSpecified

    Buildings in the Agriculture Protection (AP) zone of Eastern Summit County.

    • Height is measured according to the applicable development-code height-measurement provision.
    • Other district-specific or approval-based exceptions may apply.

    maximum building height: <= 32 feet

    “D. Height: Maximum building height shall be thirty-two feet (32').”
  • Living in an RVLimited

    Recreational vehicles placed on sites within zones A1-30, AH, and AE on the community's Flood Insurance Rate Map in Summit County.

    • The recreational vehicle must be on the site for fewer than one hundred eighty (180) consecutive days; or it must be fully licensed and ready for highway use; or it must meet the permit requirements of section 12-3-4 and the elevation and anchoring requirements for manufactured homes in subsection D.
    • A recreational vehicle is ready for highway use if it is on its wheels or jacking system, is attached to the site only by quick-disconnect type utilities and security devices, and has no permanently attached additions.

    maximum site duration under first alternative: < 180 consecutive days (alternative compliance is available if the vehicle is fully licensed and ready for highway use or meets the referenced permit, elevation, and anchoring requirements)

    “Require that recreational vehicles placed on-sites within zones A1-30, AH, and AE on the community's FIRM either: 1. Be on the site for fewer than one hundred eighty (180) consecutive days, 2. Be fully licensed and ready for highway use, or 3. Meet the permit requirements of section 12-3-4 of this title, and the elevation and anchoring requirements for "manufactured homes" in subsection D of this section.”
  • Manufactured homesLimited

    Manufactured-home and mobile-home occupancy in the unincorporated Eastern Summit County Planning District

    • A mobile home with foundation is listed as an allowed use in AP, AG-100, AG-160, CA, and HC districts and as a low-impact-permit use in the Commercial district.
    • A mobile home without foundation is listed as a conditional use in AP, AG-100, AG-160, CA, and HC districts.
    • A mobile home park is listed as a conditional use in AP and AG-100 districts.
    • The county's official development-code page states that Eastern Summit County properties are governed by the Eastern Summit County Development Code.
    • Incorporated municipalities are outside this claim's scope.

    mobile home park districts: AP; AG-100 · mobile home with foundation allowed districts: AP; AG-100; AG-160; CA; HC · mobile home without foundation conditional districts: AP; AG-100; AG-160; CA; HC

    “Mobile Home Park C C Mobile home with foundation (refer to Prefabricated Home definition.) A A A A A L Mobile home without foundation C C C C C”
  • Who permits septicCounty

    Onsite wastewater systems in Summit County, administered locally by the Summit County Health Department under Utah onsite-wastewater rules.

    • Utah DEQ identifies the local health department as the primary contact for septic systems and lists Summit County Health Department for Summit County.
    • The local health department may adopt stricter requirements, assess administrative fees, require servicing, and administer variance reviews.
    “Your Local Health Department (LHD) is your primary contact for issues like septic systems (onsite wastewater), private wells (not part of a public water system), food safety, and general sanitation. [...] Summit County Health Department”
  • Septic permitRequired

    Installing, constructing, altering, replacing, enlarging, extending, or otherwise modifying any on-site wastewater system in Summit County.

    • A proper permit must be issued by the Summit County Health Department before the work.
    • An on-site wastewater system requires either a conventional system permit or an advanced wastewater system permit.
    • Wastewater permits are valid for one year from issuance and may be renewed twice, with each renewal lasting one additional year.
    • An on-site wastewater repair/remodel permit is required for repairs or remodeling of an existing or failing system.
    • Wastewater and repair/remodel permits are nontransferable to third parties.
    • Changing property use, expanding a building or dwelling, or adding accessory buildings or structures over 120 square feet requires Health Department review of system adequacy.

    wastewater permit validity: 1 year (May be renewed twice; each renewal is for one additional year.) · accessory structure review threshold: > 120 square feet (Adding accessory buildings or structures occupying an area greater than 120 square feet requires review.)

    “A. It shall be unlawful to install, construct, alter, replace, enlarge, extend or otherwise modify any on-site wastewater system unless a proper permit has been issued by the Health Department.”
  • Septic inspectionRequired

    On-site wastewater systems in Summit County, including periodic inspections, maintenance, and servicing needed to avert system failure.

    • Periodic inspections, maintenance, and servicing are required.
    • More complex systems require a higher level of inspections and maintenance.
    • The Health Department may conduct inspections, testing, and sampling as part of its oversight responsibilities.
    • If a permit holder or operator violates state regulations or the County Code, the Health Department must issue a Notice of Violation.
    • For a failing system, noncompliance may result in temporary wastewater measures, closure to human occupancy, abatement, and billing of abatement costs.
    “A. To avert failing on-site wastewater systems, periodic inspections, maintenance and servicing are required. More complex systems shall require a higher level of inspections and maintenance.”
    One more reviewed finding on this topic
  • Agricultural exemptionAvailable (with conditions)

    Certain agricultural buildings subject to Summit County building-permit exceptions.

    • The official page does not define which agricultural buildings qualify; the exception is limited to certain agricultural buildings.
    • Other building-permit exceptions listed by the County include commercial accessory buildings under 120 square feet, residential accessory buildings under 200 square feet, and fences under 7 feet.
    “There are exceptions for: * Commercial accessory buildings less than 120 square feet * Residential accessory buildings less than 200 square feet * Certain agricultural buildings * Fences less than 7 feet in height”
    2 more reviewed findings on this topic
    • Conditional — Agricultural structures or agricultural excavation, grading, filling, or access work in Summit County where the statutory agricultural-exemption criteria are met.
      “AGRICULTURAL STRUCTURE: This form authorizes an exemption from receiving a building permit under Section 15A-1-204(7) of the Utah Code Annotated. This exemption does not exempt compliance with applicable zoning ordinances, including, but not limited to building setback or height regulations, or other laws of the State of Utah or Summit County.”
    • Available (with conditions) — Bona fide divisions or partitions of agricultural land in Eastern Summit County for agricultural purposes.
      “Land may be divided without first going through a development, subdivision, or platting process if the land is a bona fide division or partition of agricultural land for agricultural purposes.”
  • Subdividing landRegulated (with conditions)

    Subdivision and agricultural-preservation subdivision in Eastern Summit County's unincorporated planning district.

    • A lot of record or legally created lot is generally required for subdivision or other development action, subject to stated exceptions.
    • Cluster Bonus/Agricultural Preservation Subdivision review is available only for property in the Agricultural Preservation zone.
    • The density bonus may create up to twice the otherwise allowed number of lots when at least 80 percent of the parcel is protected for agricultural use, or three times when at least 90 percent is protected.
    • Each lot must have legal access, adequate water must remain on site, and the project must comply with development-evaluation and infrastructure standards.
    • A final plat requires County review and recording after required approvals and signatures.

    maximum cluster density multiplier: 2 times base density (at least 80% of the entire parcel must be designated as protected for agricultural use) · maximum cluster density multiplier: 3 times base density (at least 90% of the entire parcel must be designated as protected for agricultural use)

    “Except as otherwise provided for in this Title, a "lot of record" or “legally created lot” is required for the development of a single family dwelling, subdivision, or other development action, permit, or use identified in Section 11-3-13 of this Title.”
  • Driveway accessLimited

    Driveways and driveway encroachments associated with unincorporated Summit County development and County road access.

    • The checklist requires a minimum driveway side-yard setback of 10 feet and minimum spacing from an intersection of 50 feet.
    • The driveway must be within 20 degrees of perpendicular to the road centerline for the first 20 feet.
    • Minimum driveway width is 12 feet and maximum frontage is 25%.
    • Maximum slope is 12% and average maximum grade is 10%.
    • A staking inspection is required before issuance of the building permit.
    • Driveway profiles with slopes and elevations every 20 feet are required for driveways with grades over 8%.
    • The source references Ordinance 181-D.

    minimum driveway side-yard setback: >= 10 feet · minimum driveway spacing from intersection: >= 50 feet · minimum driveway width: >= 12 feet · maximum driveway slope: <= 12 percent · average maximum grade: <= 10 percent

    “Minimum driveway side yard setback 10’ Minimum driveway spacing from intersection 50’ Fill/cut slopes are nearer than ½ their vertical height or 2' Minimum from property lines. Driveway needs to be within 20 degrees of perpendicular to the centerline of the road for the first 20’ Driveway width minimum 12’ / maximum 25% frontage”
  • Building in a floodplainRequired

    Construction or development on parcels in Flood Zone A within the FEMA-mapped 100-year flood plain in unincorporated Summit County.

    • A Floodplain Development Permit is required.
    • Hydraulic calculations for the 100-year flood elevation must be prepared by a qualified Engineer or Hydrologist.
    • The lowest floor must be located 1 foot above the calculated elevation.
    • A FEMA Elevation Certificate is required before final inspection for certificate of occupancy.
    • The checklist identifies Ordinance 212-A as the governing authority.

    lowest-floor elevation above calculated 100-year flood elevation: >= 1 foot

    “Flood Zone A: Floodplain Development Permit required: This parcel is located in the 100 yr. flood plain as mapped by FEMA. A Floodplain Development Permit is required and hydraulic calculations to determine the elevation of the 100 yr. flood event will need to be calculated by a qualified Engineer or Hydrologist. The lowest floor of the structure must be located 1’ above the calculated elevation. A FEMA Elevation Certificate is required before final inspection for certificate of occupancy (Ordinance 212-A).”
  • Permit feesVariable (with conditions)

    Certain development projects in Summit County that may incur transportation impact fees during building permit review.

    • The source does not state a uniform fee amount.
    • Fees are assessed under Ordinance No. 958.
    • Fee applicability is determined during the building permit review process.
    • The fees fund transportation improvements needed to support growth and mitigate impacts to the County’s transportation system.
    “Certain development projects in Summit County may be subject to transportation impact fees in accordance with Ordinance No. 958. These fees are assessed to help fund transportation improvements needed to support growth and mitigate impacts to the County’s transportation system. Fee applicability is determined during the building permit review process.”
  • Permit processPublished (with conditions)

    County building permit submissions, reviews, issuance, and inspections.

    • All submissions, reviews, and issuance occur through EPROCESS 360.
    • Paper plans and over-the-counter reviews are not accepted.
    • Certain projects may require separate planning approval before a building permit application.
    • Required checklist documents must be included; incomplete applications are rejected and returned for resubmission.
    • Applications submitted after 5:00 p.m. are considered submitted on the next business day.
    • For lots with slopes of 15% or greater, geotechnical reports are required.
    “All submissions, reviews, and issuance of Building Permits is done through EPROCESS 360, an online program. We do not accept paper plans, nor perform "over-the-counter" reviews.”

Utah rules that apply here

  • Building code adoptedAdopted (with conditions)

    Building construction, alteration, remodeling, and repair, and regulation of those activities throughout Utah, subject to the State Construction Code's statewide and local amendments and statutory exceptions.

    • The code version cited is effective July 1, 2026 and is superseded January 1, 2027.
    • The adopted codes operate together with Chapter 3 statewide amendments and Chapter 4 local amendments incorporated into the State Construction Code.
    • Compliance is required when new construction is involved.
    • For an existing building, compliance is required when the owner or agent voluntarily undertakes repair, renovation, remodeling, alteration, enlargement, rehabilitation, conservation, or reconstruction, or changes the character or use in a way that increases occupancy loads, other demands, or safety risks.
    • The 2006 Utah Wildland Urban Interface Code may be adopted by a local compliance agency by local ordinance or similar action as a local amendment.
    • Historic-property plaster standards apply only when the owner receives a government tax subsidy based on historic status, the property is wholly or partially funded by public money, or the property is owned by a government entity.

    International Building Code edition: 2024, including Appendices C and J · International Residential Code edition: 2021, including Appendix AQ · International Plumbing Code edition: 2024 · International Mechanical Code edition: 2024 · International Fuel Gas Code edition: 2024 · National Electrical Code edition: 2023 · International Energy Conservation Code edition: 2024 · International Existing Building Code edition: 2024 · effective date: 2026-07-01 · superseded date: 2027-01-01

    “the following construction codes are incorporated by reference [...] (a) the 2024 edition of the International Building Code, including Appendices C and J”
    One more reviewed finding on this topic
    • Adopted (with conditions) — Building construction, alteration, remodeling, and repair in Summit County under Utah's statewide construction code.
      “Effective 7/1/2026 Superseded 1/1/2027 15A-2-103 Specific editions adopted of construction code of a nationally recognized code authority. (1) Subject to the other provisions of this part, the following construction codes are incorporated by reference, and together with the amendments specified in Chapter 3, Statewide Amendments Incorporated as Part of State Construction Code, and Chapter 4, Local Amendments Incorporated as Part of State Construction Code, are the construction standards to be applied to building construction, alteration, remodeling, and repair, and in the regulation of building construction, alteration, remodeling, and repair in the state: (a) the 2024 edition of the International Building Code, including Appendices C and J, issued by the International Code Council;”
  • Accessory dwellingsLimited

    One internal accessory dwelling unit within a primary dwelling in county areas of Utah zoned primarily for residential use.

    • The unit must be an internal accessory dwelling unit within a primary dwelling and the area must be zoned primarily for residential use.
    • The unit must comply with all applicable building, health, and fire codes.
    • A county may prohibit a separate utility meter; require the unit not to change the appearance of the primary dwelling as a single-family dwelling; and require one additional on-site parking space, except when the county land use ordinance requires four off-street parking spaces. Garage or carport parking spaces converted to habitable space must be replaced.
    • A county may prohibit an internal accessory dwelling unit within a mobile home; require a permit or license for renting it; prohibit units in a zoning district covering an area equivalent to 25% or less of the total unincorporated area zoned primarily for residential use, except that newly constructed units with final plat approval dated on or after October 1, 2021, and complying with applicable land use regulations may not be prohibited; prohibit units served by a failing septic tank; prohibit units on lots of 6,000 square feet or less; prohibit rental for fewer than 30 consecutive days; and prohibit rental when the dwelling is not occupied as the owner's primary residence.
    • A county may hold a lien and record an accessory-dwelling-unit notice under the procedures in § 17-80-303(4)-(5).
    • This claim does not determine additional municipality-specific ordinances under Utah's municipal land-use statute.

    minimum rental period: >= 30 consecutive days · small-lot threshold: <= 6000 square feet (A county may prohibit creation at or below this lot size) · restricted county residential zoning area: <= 25 percent of total unincorporated residentially zoned area (Newly constructed units with final plat approval dated on or after October 1, 2021 and compliance with applicable land use regulations may not be prohibited) · additional parking: 1 on-site space (Not permitted if the county land use ordinance requires four off-street parking spaces)

    “In any area zoned primarily for residential use: (a) the use of an internal accessory dwelling unit is a permitted use;”
  • Well permitRequired

    Construction of shallow water wells in Utah.

    • The owner must have a valid water right to beneficially use groundwater before construction.
    • A Start Card is issued upon approval of the water right and is described as essentially the permit to construct the well.
    • Shallow water wells must be constructed by a licensed well driller or licensed shallow water well constructor.
    • The licensee must obtain the Start Card and file it with the Division before constructing or working on the shallow water well.
    • The source does not establish the same Start Card mechanism for every other regulated-well category.
    “A Start Card is issued upon approval of the water right, which is essentially the permit to construct the well.”
    One more reviewed finding on this topic
    • Required — Water production wells, including domestic wells, in Summit County and elsewhere in Utah.
      “A Start Card is issued upon approval of the water right, which is essentially the permit to construct the well.”
  • Mandatory utility hookupConditional

    Wastewater drainage for dwellings, buildings, and premises covered by Utah's onsite wastewater rule.

    • Connection to a public sewer is required when available and practicable.
    • If public sewer is unavailable or impracticable, connection must be made to an adequate onsite wastewater system or another wastewater system acceptable under the listed Utah rules.
    • When a dwelling served by an onsite wastewater system connects to a public sewer, the septic tank must be abandoned and disconnected or bypassed unless otherwise approved by the regulatory authority.
    “shall have a connection to a public sewer”
  • Short-term rentalsLimited

    Short-term rentals operated within Utah municipalities.

    • A municipality may require the owner or lessee to obtain a business license or other permit before operation.
    • A municipality may regulate short-term rentals through municipal ordinances and zoning requirements.
    • A municipality may not enact or enforce an ordinance prohibiting an individual from listing or offering a short-term rental on a short-term-rental website.
    • A municipality may not use an ordinance prohibiting the act of renting a short-term rental to punish an individual solely for listing or offering it on a short-term-rental website.
    • The statute does not establish that short-term rentals are allowed in every zone or municipality.
    “A municipality may adopt an ordinance requiring the owner or lessee of a short-term rental to obtain a business license or other permit from the municipality before operating a short-term rental within the municipality.”
  • Campground & park staysLimited

    Tiny houses in Utah RV parks; the state source also states that tiny-home permission in a particular area depends on local land-use regulations.

    • The tiny house may be allowed in an RV park only with the required data plate or permanent label and either Recreational Vehicle Industry Association certification or qualified third-party inspection certification.
    • The RV park must comply with applicable building, zoning, electrical, health, fire codes and local ordinances.
    • Outside RV parks, whether a tiny home is permitted depends on local land-use regulations and whether the structure is treated as a primary dwelling, accessory dwelling, modular unit, or manufactured home.

    maximum floor area for tiny house under Rule R392-301: <= 400 square feet (The rule defines tiny house for purposes of the rule; this does not establish statewide land-use permission outside RV parks.)

    “A recreational vehicle or a tiny house may be allowed in a recreational vehicle park only if:”
    One more reviewed finding on this topic
  • county zoning authorityGeneral

    Utah counties may enact land-use controls, including zoning ordinances, for land in unincorporated areas statewide.

    • The authority is subject to Utah Code Section 17-79-101(4) and Section 11-41-103.
    • The statutory grant expressly covers the unincorporated area of a county and a designated mountainous planning district.
    • The quoted provision lists uses, density, open spaces, structures, and buildings among the subjects of permissible land-use controls.
    “Subject to Subsection (4) and Section 11-41-103, to accomplish the purposes of this chapter, a county may enact all ordinances, resolutions, and rules and may enter into other forms of land use controls and development agreements that the county considers necessary or appropriate for the use and development of land within the unincorporated area of the county or a designated mountainous planning district”
  • county building authorityGeneral

    Utah counties may adopt and enforce building regulations and require building permits for construction in unincorporated areas statewide.

    • The general county building-regulation authority applies outside the limits of cities and towns.
    • Local regulations may not conflict with general laws.
    • Under Utah Code Section 17-79-901, erecting, constructing, reconstructing, altering, or changing the use of a building or other structure within a county requires approval of a building permit.
    • A county may not issue a building permit unless the plans fully conform to regulations then in effect.
    • The county permit authority is subject to the State Construction and Fire Codes Act and other statutory limitations.
    “A county may make and enforce within the limits of the county, outside the limits of cities and towns, all local, police, building, and sanitary regulations that are not in conflict with general laws.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Minimum dwelling size — Minimum dwelling floor area in the Eastern Summit County unincorporated planning district.
  • Camping on your land — Temporary camping on private land in unincorporated Summit County outside the specific recreational vehicle park rules.
  • Tiny homes — Occupancy of tiny homes in Summit County, Utah, including the Snyderville Basin and Eastern Summit County unincorporated areas.
  • Off-grid sanitation — Use of privies, vaults, composting toilets, holding tanks, or other off-grid sanitation systems in Summit County.

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Water rights & wells in Summit County

Whether a new home can legally get its own water here — the sub-state groundwater regime, from Utah’s water agency.

Closed to new supply

New water supply here generally requires a permit, an offset, or buying an existing right — a household well is not automatic.

Household wellPermit required — restricted

Utah has NO exempt domestic well — you must own a water right to drill any well, including a household well. In an open area you file a new appropriation, but because much of Utah is closed to new appropriation a newcomer typically must PURCHASE an existing water right and file a change application to move it to the new well.

Limit: ~0.45 acre-ft/yr indoor domestic (typical allocation); no statutory exempt-well quantity

Utah Division of Water Rights — FAQ ↗
  • Groundwater Management Plan valleys (Cache, Tooele, Salt Lake, Utah, Juab, Pahvant, Snyderville, Sand Hollow, Weber Delta)majority of county

    Populated valleys managed under groundwater management plans that protect existing rights and cap withdrawals; new groundwater use requires acquiring and changing existing water rights rather than new appropriation.

    Utah Division of Water Rights — Groundwater Management Plans ↗
  • Upper Provo River Valleys / Heber Valley Ground-Water Policypartial of county

    Alluvial valleys tributary to the Provo River above Provo Canyon (Heber, Round, upper Provo/Kamas valleys) are closed to new groundwater appropriations; new withdrawals must transfer existing rights.

    Utah Division of Water Rights — Groundwater Management Plans ↗

Prior-appropriation state (first in time, first in right). Groundwater rules change and basin boundaries follow the aquifer, not the county line — confirm current well and appropriation rules with the Utah state water agency before you buy or drill.Groundwater governance as of Jul 2026, cited to each administering agency.

Living off-grid in Summit County, Utah

Is Summit County a good place to live off-grid or homestead?

Summit County scores 54/100 on the Bolthole Index, a solid county profile. Its strengths: manageable long-term carry cost and a weaker property-autonomy legal backdrop. Watch-outs: elevated current hazard exposure and more administrative friction around building and land use.

Do you need a building permit in Summit County, Utah?

Summit County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Summit County Health Department - Wastewater (Septic) Program. Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

Can you live in an RV or tiny home on your land in Summit County?

Living in an RV on your own land in Summit County is limited to specific cases: Recreational vehicles placed on sites within zones A1-30, AH, and AE on the community's Flood Insurance Rate Map in Summit County. The recreational vehicle must be on the site for fewer than one hundred eighty (180) consecutive days; or it must be fully licensed and ready for highway use; or it must meet the permit requirements of section 12-3-4 and the elevation and anchoring requirements for manufactured homes in subsection D. A recreational vehicle is ready for highway use if it is on its wheels or jacking system, is attached to the site only by quick-disconnect type utilities and security devices, and has no permanently attached additions. Confirm with the county before relying on it.

How much does land cost in Summit County, Utah?

Land in Summit County runs about $4,336 per acre, based on the latest county data.

What is the water situation in Summit County?

Summit County gets about 26" of rain a year, with severe drought in roughly 22.2% of years. On water rights, Summit County lies in the Groundwater Management Plan valleys (Cache, Tooele, Salt Lake, Utah, Juab, Pahvant, Snyderville, Sand Hollow, Weber Delta) — Populated valleys managed under groundwater management plans that protect existing rights and cap withdrawals; new groundwater use requires acquiring and changing existing water rights rather than new appropriation..

How remote is Summit County?

A typical private-land location has about 3,998 people within 15 miles and 3,136,175 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

How Summit compares in Utah

Compare side-by-side →See all 29 Utah counties ranked →