Bolthole Index

Duchesne County, Utah

Zoning, building permits and septic rules in Myton, Utah

Myton, Utah divides the city into zoning districts, so land inside city limits is zoned by the city, not by Duchesne County1. Buildings need a building permit and a certificate of occupancy before anyone uses them2. Primary buildings must connect to the city's water and sewer systems3. Septic and well questions inside the city were not confirmed; ask Myton City Hall and TriCounty Health.

At a glance

Zoning
Yes, the city is divided into zone districts1
Building permit
Required for buildings and for manufactured homes placed in the city42
Water and sewer
Primary buildings connect to city water and sewer3
RV living
Unlawful for permanent habitation outside a travel trailer court5
R-15 minimum lot
15,000 sq ft, 100 ft wide6
R-15 front setback
20 ft7
Maximum height
35 ft in R-158
Owner-builder
Utah exempts a sole owner from contractor licensing, not from permits9

Who to call

Building permits

Myton City Hall

The city's main office; start here for building permits, land use applications and zoning questions inside Myton

(435) 722-2711

125 East Main Street, Myton, UT 84052

Septic permits

TriCounty Health Department (Roosevelt office)

Septic (onsite wastewater) plan review, construction permits and inspections for Duchesne County, plus well-water testing and approval

(435) 722-6300

roosevelt@tricountyhealth.com

409 South 200 East, Roosevelt, UT 84066

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

Going off-grid in Myton means bringing your own water and power. The kit we’d start with:

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Does Myton, Utah have zoning, and what does it mean for lots, setbacks and RVs?

Yes. Myton divides the city into zone districts, and every use, approval and permit must conform to the district it sits in1. The city publishes a zoning map showing where the districts are10. Duchesne County's zoning applies only to unincorporated land, so county zoning does not govern a lot inside Myton11.

Dimensions depend on the district. In R-15 (Residential Single-Family, Low Density), the minimum lot is 15,000 sq ft and 100 ft wide6. In the RA-1 Residential-Agricultural overlay, the minimum lot is 22,500 sq ft and 150 ft wide12. The front setback is 20 ft in R-15 and RA-1, with side and rear setbacks following the Building Code713. Primary buildings in R-15 can be up to 35 ft tall8.

RVs are the sharp edge: placing a travel trailer or man camp for permanent human habitation is unlawful in Myton, with an exception for a travel trailer court5. We could not confirm the city's rules on tiny homes, accessory dwellings or short-term rentals, so ask Myton City Hall before you plan around them.

Do you need a building permit in Myton, and who issues it?

Yes, building inside Myton goes through the city's process, not the county's. A manufactured or mobile home brought into the city requires a building permit, and the lot must comply with zone regulations and connect to approved water and wastewater disposal4. No building may be occupied until the city issues a certificate of occupancy, which requires construction completed under a valid building permit2.

Duchesne County's Department of Building Safety covers unincorporated land only. The county's own materials say Myton, Duchesne, Roosevelt, Altamont and Tabiona have separate building departments or inspectors14. We could not confirm which office reviews Myton's plans, which building code the city has adopted, or its permit fees, so call Myton City Hall at (435) 722-2711 before you draw plans15.

Utah's owner-builder rule lets a sole owner build one residential structure a year, up to three in five years, without a contractor license; it does not remove the permit requirement9. Whether the city asks for an owner-builder form was not confirmed.

How do septic permits work inside Myton?

Most lots in Myton will not need a septic system. The city requires primary buildings that need culinary water and sanitary sewer to connect to the city's public systems3. Utah's statewide rule also requires connection to a public sewer when one is available and practicable16.

Where an onsite system is possible, TriCounty Health Department regulates wastewater in both incorporated and unincorporated areas of Duchesne County, and requires a site assessment and a construction permit17. TriCounty reviews system plans, issues construction permits and inspects installations18. We could not confirm whether Myton's own wastewater chapter adds a separate permit, so ask both Myton City Hall and TriCounty Health before buying a lot you hope to put on septic.

Wells are state-permitted: a shallow well needs a valid water right, and the Start Card issued on approval is the permit to construct it19. Whether a private well is allowed on a lot inside Myton was not confirmed.

Building a home in Myton: the steps, in order

  1. Call Myton City Hall at (435) 722-2711 and confirm the lot's zoning district and whether the building permit goes through the city15.
  2. Check the district's lot size, setbacks and height against your plans, for example 15,000 sq ft and a 20 ft front setback in R-1567.
  3. Confirm city water and sewer service, because primary buildings must connect3.
  4. If the parcel may have flood hazard, expect a geotechnical report at your expense prepared by a licensed geologist or engineer20.
  5. Get the building permit and have construction inspected.
  6. Obtain the certificate of occupancy before moving in2.

What stays with Duchesne County, and what to check before you buy near Myton

Land outside Myton city limits is unincorporated Duchesne County, with its own building permits, zoning and RV rules; see the Duchesne County page for those. Septic is the main thing the county health district handles on both sides of the city line17.

County-level figures help with context. Duchesne County's effective property tax rate is 0.6%21, and the county's median property tax bill is $1,611 a year22. Annual precipitation in the county averages 17.5 inches23, and severe drought has affected about 29.5% of years24. Confirm water service and fire access before you buy, and check any driveway onto a state highway: Utah requires a UDOT conditional access permit for a new driveway connection25.

Watch-outs

  • Do not use Duchesne County's rules for land inside Myton: the county's building and zoning rules cover unincorporated land only11.
  • We could not confirm Myton's adopted building code, building-permit fees, inspection process, or rules on wells, tiny homes, accessory dwellings and short-term rentals; call Myton City Hall at (435) 722-271115.
  • A parcel with potential flood hazard needs a geotechnical report at the applicant's expense, and the city's flood hazard areas rest on a map dated February 4, 198820.

Sources

  1. Myton Code § 153.040, Zoning by districts (Myton), quoted and re-checked
  2. Myton Code § 153.076, Certificate of occupancy required (Myton), quoted and re-checked
  3. Myton Code § 153.075, Culinary water and sanitary sewer requirements (Myton), quoted and re-checked
  4. Myton Code § 151.05, Placement of manufactured homes, mobile homes and travel trailers (Myton), quoted and re-checked
  5. Myton Code § 151.05, Placement of manufactured homes, mobile homes and travel trailers (Myton), quoted and re-checked
  6. Myton Code § 153.078, Table of minimum lot and setback requirements (Myton), quoted and re-checked
  7. Myton Code § 153.078, Table of minimum lot and setback requirements (Myton), quoted and re-checked
  8. Myton Code § 153.078, Table of minimum lot and setback requirements (Myton), quoted and re-checked
  9. Utah Code Title 58, Chapter 55, Construction Trades Licensing Act exemptions (Utah statewide rule), quoted and re-checked
  10. Myton Code § 153.040, Zoning by districts (Myton), quoted and re-checked
  11. Duchesne County Code § 8-1-3: Applicability, quoted and re-checked
  12. Myton Code § 153.078, Table of minimum lot and setback requirements (Myton), quoted and re-checked
  13. Myton Code § 153.078, Table of minimum lot and setback requirements (Myton), quoted and re-checked
  14. Duchesne County Building Permit Process and Inspection Requirements, quoted and re-checked
  15. Myton City Hall (mytoncityut.gov)
  16. DAR File No. 37575, Rule R317-4, Onsite Wastewater Systems (Utah statewide rule), quoted and re-checked
  17. TriCounty Health Department Wastewater Regulation, quoted and re-checked
  18. TriCounty Health Department (Roosevelt office) (tricountyhealthut.gov)
  19. Water Well Drilling Information (Utah statewide rule), quoted and re-checked
  20. Myton Code § 153.082, Floodplain standards (Myton), quoted and re-checked
  21. Effective property tax rate: Bolthole Index county data
  22. Median property tax bill: Bolthole Index county data
  23. Annual precipitation: Bolthole Index county data
  24. Share of years in severe drought: Bolthole Index county data
  25. Conditional Access Permit (Utah statewide rule), quoted and re-checked

Written October 24, 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.

Answers from the rulebook for Myton

Myton’s own rules

  • Building permitRequired

    A manufactured or mobile home brought into, or relocated within, Myton city.

    • The lot must comply with applicable zone regulations; a residential dwelling must be a permitted use; and the unit must connect to approved water supply and domestic wastewater disposal.
    • parameters
    “applies for the appropriate building permit”
  • Certificate of occupancyRequired

    Buildings and structures inside Myton city limits.

    • Before issuance, construction must be completed under a valid building permit, the use must have valid approvals, and the building and use must comply with required approvals, permits, licenses, and other applicable requirements.
    “No building shall be occupied or used until a certificate of occupancy, as applicable, has been issued”
  • Local zoningPresent (with conditions)

    Land inside Myton city limits.

    • Uses, approvals, permits, and licenses must conform to the applicable zoning district.
    “the city is divided into zone districts.”
  • Zoning districtsPublished (with conditions)

    Zoning districts inside Myton city limits.

    • The zoning map identifies district locations and distribution; uses, activities, approvals, permits, and licenses must conform to applicable district standards.
    “The city is divided into the following districts:”
  • Living in an RVTemporary only (with conditions)

    Travel trailers and recreational units on land inside Myton city limits.

    • Permanent human habitation is excepted only when the travel trailer is located in a travel trailer court; a unit placed for one year or more, with wheels removed, or skirted and apparently permanent must comply with appropriate codes.

    temporary placement maximum: <= 5 years (The code defines temporary as no intent of permanency and removal in the near future.)

    “It is unlawful to place any travel trailer or man camp [...] for permanent human habitation”
  • Mandatory utility hookupWater and sewer (with conditions)

    Primary buildings inside Myton city limits requiring culinary water and sanitary sewer services.

    • Secondary water must be connected when it becomes available.
    “shall be connected to the public culinary water and sanitary sewer systems of the city.”
  • Subdividing landRegulated (with conditions)

    Planned unit developments and their subdivision elements inside Myton city limits.

    • PUD zoning and subdivision elements are unified in a PUD development plan.
    “PUD zoning and subdivision elements are unified in a PUD development plan.”
  • Building in a floodplainRequired

    Applications for specified approvals on a Myton parcel with potential special flood hazard.

    • The report is at the applicant's expense, must be prepared by a registered or licensed geologist, soils engineer, or civil engineer, and must identify suitability, development constraints, limitations, conditions, mitigation actions, and best management practices.
    • The special-flood-hazard areas are identified by the FEMA FIRM dated February 4, 1988.
    “shall be required to provide a geotechnical report for any land area or parcel that has the potential for any special flood hazard.”
  • Permit processPartial

    PUD land-use applications inside Myton city limits.

    • The cited process is for PUD development plans and does not establish the general building-permit process.
    “concurrent review of subdivision preliminary and final plans”

Rules another office applies inside Myton

Myton does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Minimum lot sizeSpecified

    R-15 Residential Single-Family, Low Density district inside Myton city limits.

    • General and supplementary development standards also apply.

    minimum lot size: 15000 sq ft · minimum lot width: 100 ft

    “Minimum lot size | 15,000 sq. ft. | 7,500 sq. ft. | 22,500 sq. ft. | 15,000 sq. ft. for commercial; 7,500 sq. ft. for residential | BC”
    One more reviewed finding on this topic
  • SetbacksSpecified

    R-15 primary buildings inside Myton city limits.

    • Side and rear setbacks use Building Code standard.

    minimum front yard setback: 20 ft · minimum side yard setback: Building Code standard · minimum rear yard setback: Building Code standard

    “Minimum front yard setback | 20 ft. | 20 ft. | 20 ft. | 20 ft. | BC Minimum side yard setback | BC | BC | BC | BC | BC”
    One more reviewed finding on this topic
  • Building heightSpecified

    R-15 primary buildings inside Myton city limits.

    • Height limitations do not apply to listed roof-level appurtenances not intended for human occupancy.

    maximum building height: <= 35 ft (Measured by Building Code standard.)

    “Maximum building height | 35 ft. as measured by BC”
    One more reviewed finding on this topic

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Myton or Duchesne County directly.

  • Owner-builder exemption — Owner-builders inside Myton city limits.
  • Building code adopted — Construction inside Myton city limits.
  • Inspections — Residential construction inside Myton city limits.
  • Minimum dwelling size — R-15 Residential Single-Family, Low Density district inside Myton city limits.
  • Lot coverage — Lots inside Myton city limits.
12 more unanswered
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • Driveway access
  • Short-term rentals
  • Permit fees

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.

Unanswered questions are usually a sign that Myton publishes no rule on the point, not that none exists. Duchesne County’s page lists the county offices to call.

← All of Duchesne County: county rules, score and offices