Bolthole Index

Trimble County, Kentucky

Building permits, zoning and land rules in Trimble County, Kentucky

58Index Score / 100
#86 of 120 in Kentucky

Trimble County, Kentucky requires building and zoning permits for residential construction, with a narrow building-permit exemption for qualifying farmsteads outside municipal limits12. Trimble County Planning & Zoning handles county applications and inspections, while the North Central Health Department handles onsite sewage permits and inspections345. A permitted structure may not be occupied until the county issues a certificate of occupancy6.

At a glance

Building permit
Required for residential construction, except qualifying farmsteads12
Zoning
County zoning applies; municipalities may have separate rules78
Septic
North Central Health Department permits and inspects systems59
RV living
Long-term private-land occupancy is unconfirmed; ask Planning & Zoning10
Tiny home
No specific occupancy rule confirmed; zoning and building review still apply1112
Farmstead exemption
Conditional exemption for a qualifying farm tract of at least 10 acres2
Private well
Well work must be done by a state-certified driller or assistant13

Who to call

Building permits

Trimble County Planning & Zoning

Building and zoning applications, inspections, temporary-use/camper applications, and farmstead exemption forms for unincorporated Trimble County

(502) 665-1507

zoe.kemper@trimblecountyky.gov

68 Wentworth Ave., Bedford, KY 40006

Septic permits

North Central District Health Department – Trimble County Office (Environmental Department)

Onsite sewage permits and inspections for Trimble County

(502) 255-4851

138 Miller Lane, Bedford, KY 40006

Floodplain permits

Trimble County Floodplain Management

Local floodplain permit applications and floodplain guidance

(502) 255-4281

P.O. Box 279, Bedford, KY 40006

Contact details are copied from each office’s official page and were checked against it on October 7, 2026.

Off-grid gear

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

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Do you need a building permit in Trimble County, Kentucky?

Yes. Residential construction in Trimble County requires a county building permit and inspections unless the project qualifies for the farmstead exemption142. Kentucky's residential code applies statewide, although permits, inspections, and certificates of occupancy for a single-family dwelling depend on local ordinance; Trimble County has adopted and administers building requirements1415. The county publishes separate residential building and zoning applications through Planning & Zoning103. A permitted structure cannot be occupied until Trimble County issues a certificate of occupancy, and permit-related fees must be paid before that certificate is granted6. An expired-permit renewal costs $100, and the residential application lists a $100 reinspection fee16.

Who handles Trimble County building permits, and how do you reach them?

Trimble County Planning & Zoning is the first stop for county building, zoning, inspection, temporary-use, variance, farmstead-exemption, and short-term-rental processes310. The office is at 68 Wentworth Ave., Bedford, KY 40006; call (502) 665-1507 or email zoe.kemper@trimblecountyky.gov10. Its page provides the Residential Building Permit Application, Zoning Permit Application, Camper Temporary Use Permit Application, and Farmstead Exemption Form for Building10. Planning & Zoning reviews development proposals against locally adopted plans and regulations, and Trimble County regulates subdivision and land-development proposals1017. Before designing, ask the office to identify the parcel's jurisdiction and zoning district, the required applications, the inspection sequence, and the current fees818316. Bedford and Milton may have separate municipal rules8.

Does Trimble County have zoning?

Trimble County has county-level zoning, a published zoning map, and districts ranging from agricultural and residential to business and industrial; incorporated municipalities may administer separate local rules7188. We could not confirm general numeric setbacks, minimum lot size, minimum dwelling size, lot coverage, or building-height limits, so ask Planning & Zoning for the standards tied to the parcel's district10. One confirmed rule requires accessory structures on qualifying agricultural-exemption parcels to stand at least 8 feet from lot lines and other structures, measured from the edge of a road right-of-way rather than the pavement19. The agricultural zoning exemption does not waive floodplain rules, street or highway setbacks, dwelling and manufactured-home rules, building codes, inspections, or occupancy-certificate requirements2021. The separate farmstead building exemption requires qualifying agricultural registration, at least 10 acres in one lot, and a location outside municipal limits2.

How do septic permits work in Trimble County?

The North Central Health Department administers onsite sewage in Trimble County5. Its Trimble County Environmental Department is at 138 Miller Lane, Bedford, KY 40006 and can be reached at (502) 255-485122. Obtain the local health department permit before constructing, installing, or altering a septic system; the state fee is $50 plus any local board fee9. A qualifying homeowner may receive a permit to perform the work personally, but generally no more than once in 5 years except to repair or alter that same system9. The residential application requires a Health Department approval certificate for onsite sewage or a Sewer District certificate for sewer service23. The Health Department must inspect an existing septic system before a local building or remodeling permit is issued for a sale, building addition, or post-disaster rebuild24. Only about 3.3% of mapped soils lack severe limits for a conventional drain field, so make septic feasibility an early purchase contingency25.

Can you live in an RV or tiny home in Trimble County?

We could not confirm a general rule allowing long-term RV living on private land in Trimble County. Planning & Zoning publishes a Camper Temporary Use Permit Application, so ask about duration, hookups, septic approval, and zoning before placing or occupying a camper103. Kentucky's protection for sleeping in a lawfully parked vehicle for less than 12 hours concerns public roads, streets, or parking lots; it does not authorize residence in an RV on private land26. We also could not confirm a special tiny-home rule or minimum dwelling size; take any tiny home intended as a dwelling to Planning & Zoning for building and zoning review1810. For short-term rental use, an RV must be in a permitted RV park and obtain conditional-use and short-term-rental permits27. Mobile homes cannot be offered as short-term rentals28. Owner-occupied rentals need a short-term-rental permit, while non-owner-occupied rentals also need conditional-use approval and count toward a countywide cap of 25 permits2930. No short-term rental may operate or advertise before Planning & Zoning issues its permit31.

Building a home in Trimble County: the steps, in order

  1. Call Trimble County Planning & Zoning at (502) 665-1507 to confirm jurisdiction, zoning district, applications, fees, and site-plan requirements10318.
  2. Ask the North Central Health Department for a site evaluation and obtain the onsite sewage permit before installing or altering a system59.
  3. Determine which public-road authority controls access and whether an encroachment permit is required; access to a state highway requires a Kentucky Transportation Cabinet permit3233.
  4. If the site is in an identified floodplain, obtain both local and state floodplain permits; the farm-use zoning exemption does not waive floodplain rules for buildings or structures342135.
  5. Submit the county zoning and residential building applications, then schedule the required inspections1410.
  6. Obtain the separate state plumbing permit; a homeowner may receive one for the homeowner's own residence36.
  7. Complete the septic inspection before backfilling and obtain the county certificate of occupancy before moving in376.

What should you check before buying land in Trimble County?

Start with septic feasibility: only about 3.3% of mapped soils are rated without severe limits for a conventional drain field, so get the Health Department's parcel-specific evaluation before treating a homesite as buildable2522. Check the zoning district and whether the parcel is inside an incorporated municipality, where separate local rules may apply188. Check the flood map because identified-floodplain development needs local and state permits, including on otherwise exempt agricultural land342135. Verify legal access and the controlling road authority; a zoning permit does not itself grant entrance or encroachment rights32. Ask Planning & Zoning before dividing land because subdivision and land-development proposals are reviewed under local regulations1710. For a private water supply, use a state-certified well driller or assistant13. As market context, farmland value is about $4,600 per acre, while the median annual property-tax bill is $1,175 and the effective tax rate is about 0.7%383940.

Watch-outs

  • The farmstead exemption applies only when the tract and project meet every stated condition; an ordinary non-farm owner-builder exemption could not be confirmed, so ask Planning & Zoning before relying on one4110.
  • An expired-permit renewal costs $100, and the residential application lists a $100 charge for each reinspection16.
  • A Health Department or Sewer District approval certificate must accompany the residential application, depending on how the parcel handles sewage23.

Sources

  1. Planning & Zoning – Trimble County Kentucky, quoted and re-checked
  2. Trimble County Farmstead Building Exemption Form, quoted and re-checked
  3. Planning & Zoning – Trimble County Kentucky, quoted and re-checked
  4. Required Building Inspections, quoted and re-checked
  5. Local Health Departments – Kentucky Cabinet for Health and Family Services, quoted and re-checked
  6. Trimble County Planning and Zoning Residential Building Permit Application, quoted and re-checked
  7. Planning & Zoning – Trimble County Kentucky, quoted and re-checked
  8. Planning & Zoning – Trimble County Kentucky, quoted and re-checked
  9. Onsite Sewage Disposal Systems Program, quoted and re-checked
  10. Trimble County Planning & Zoning (trimblecountyky.gov)
  11. Planning & Zoning – Trimble County Kentucky (2026 county census)
  12. Planning & Zoning – Trimble County Kentucky (2026 county census)
  13. 401 KAR 6:320. Certification of water well drillers and water well driller assistants (Kentucky statewide rule), quoted and re-checked
  14. 815 KAR 7:125 Kentucky Residential Code, quoted and re-checked
  15. Building Division – Trimble County Kentucky, quoted and re-checked
  16. Planning & Zoning – Trimble County Kentucky, quoted and re-checked
  17. Planning & Zoning – Trimble County Kentucky, quoted and re-checked
  18. Zoning Permit Application, quoted and re-checked
  19. Trimble County Farmstead Building Exemption Form, quoted and re-checked
  20. Trimble County Farm Exemption Form for Land Use, quoted and re-checked
  21. Trimble County Farm Exemption Form for Land Use, quoted and re-checked
  22. North Central District Health Department – Trimble County Office (Environmental Department) (trimblecountyky.gov)
  23. Trimble County Planning and Zoning Residential Building Permit Application, quoted and re-checked
  24. On-Site Sewage – North Central District Health Department, quoted and re-checked
  25. 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
  26. KRS 511.110 — Unlawful camping (Kentucky statewide rule), quoted and re-checked
  27. Trimble County Short-Term Rental Property Ordinance No. 40.0, quoted and re-checked
  28. Trimble County Short-Term Rental Property Ordinance No. 40.0, quoted and re-checked
  29. Trimble County Short-Term Rental Property Ordinance No. 40.0, quoted and re-checked
  30. Trimble County Short-Term Rental Property Ordinance No. 40.0, quoted and re-checked
  31. Trimble County Short-Term Rental Property Ordinance, quoted and re-checked
  32. Trimble County Planning and Zoning Residential Building Permit Application, quoted and re-checked
  33. Kentucky Transportation Cabinet Permits Branch, quoted and re-checked
  34. Find Your Flood Zone (Kentucky statewide rule), quoted and re-checked
  35. Trimble County Floodplain Management (trimblecountyky.gov)
  36. Division of Plumbing Fee Change and Permit Information (Kentucky statewide rule), quoted and re-checked
  37. 902 KAR 10:085. System Installation Inspection (Kentucky statewide rule), quoted and re-checked
  38. Farmland value per acre (USDA census): Bolthole Index county data
  39. Median property tax bill: Bolthole Index county data
  40. Effective property tax rate: Bolthole Index county data
  41. Trimble County Farmstead Building Exemption Form, quoted and re-checked

Written October 7, 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 5 of its 6 neighbors, Trimble County requires a building permit for a home.

RuleTrimble CountyCarroll CountyHenry CountyOldham CountyGallatin CountyOwen CountyShelby County
Building permitRequiredRequiredRequiredRequiredLimitedRequiredRequired
County zoningYesNoYesYesYesNoYes
Septic permitsNorth Central District Health Dept.Three Rivers District Health Dept.North-Central District Health Dept.County Health Dept.Three Rivers District Health Dept.Three Rivers District Health Dept.North Central District Health Dept.

County locator

Trimble County in Kentucky

58
County map
Trimble County highlighted among the Kentucky counties · colored by Index score

How Trimble County scores

Seclusion34100% ev.
Self-Sufficiency69100% ev.
Admin Boringness46100% ev.
Durability73100% ev.
Property Autonomy33100% ev.
Carry Cost83100% 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 →

$239kTypical home
0.7%Property tax
$4,600Land / acre
49.6"Annual rain
2.5% of yrsSevere drought
6.6 / yr (+6.2)Mid-century 100°F days
13.3 daysMid-century dry spell
1.95" (+8.1%)Mid-century 1-day rain
1.78×Wildfire change factor
100%Forward climate coverage
$1,621Home insurance / yr
-0.4% / yrInsurance growth
0.39%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
43,051People within 30 min
5,453,831People within 2 hr
56,132Radius comparison (15 mi)
56.8People / sq mi
0%Federal land
52.8%Land at 15% slope or less
3.3%Soils rated "not limited" for septic (strict USDA rating)
2,783 acWorkable land screen
58.4%Wooded land
59.5 tonsBiomass / forest ac
55.2°FAvg temp

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Cities and towns in Trimble 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.

Bedford · Milton

Answers from the rulebook for Trimble County

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

Trimble County rules

  • Building permitRequired

    Residential construction subject to the Trimble County Building Division and applicable building regulations.

    • A farmstead exemption may allow qualifying farm construction without a building permit.
    • Additional permits may be required for state building code enforcement, road encroachments, site disturbance, storm-water management, electric, plumbing, sewage disposal, or HVAC installations.
    “This exemption allows the farm owner to construct their home without obtaining a building permit.”
  • Owner-builder exemptionConditional

    A farm owner constructing a dwelling or qualifying farm-incidental building on an unincorporated Trimble County parcel.

    • The specific tract must qualify as a farm through registration as agricultural or horticultural land in the Trimble County PVA Office under KRS 132.0101.
    • The building must be situated on one lot consisting of at least 10 acres.
    • The land and building must be located outside the corporate limits of a municipality.
    • The building must be a dwelling or another type of building incidental to the operation and maintenance of the farm.
    • The building must not be a commercial or public building that is not a regular workplace for ten (10) or more people or a building for processing or storage of timber products.
    • The exemption allows construction without a building permit and therefore without construction inspections; Trimble County states that it cannot issue a Certificate of Occupancy without a permit.
    • If the property does not meet the affidavit criteria, it is not exempted as a farmstead, and construction without permits and inspections may subject the owner and project participants to civil and criminal penalties under KRS 189B.990.
    • The applicant must claim the farmstead exemption and refuse compliance with the 2018 Kentucky State Building Code.
    “This exemption allows the farm owner to construct their home without obtaining a building permit.”
    One more reviewed finding on this topic
    • Conditional — Qualifying farmstead construction outside municipal corporate limits.
      “The building is situated on one lot consisting of at least 10 acres; and 3. The land and the building are located outside the corporate limits of a municipality;”
  • Building code adoptedAdopted

    Construction and electrical work administered by the Trimble County Building Division.

    • Farmstead exemptions may apply when statutory criteria are met.
    • The page refers to nationally and locally adopted standards and codes.
    “The Trimble County Building Division will provide an exceptional service to the community through enforcement of nationally and locally adopted standards and codes related to the construction and electrical fields.”
  • InspectionsRequired

    New homes and other listed residential, commercial, accessory, deck, pool, retaining-wall, modular-building, and used-mobile-home work covered by the county inspection schedule.

    • Inspection timing varies by project type.
    • The farmstead exemption states that construction without a building permit is not required to have county construction inspections.
    “REQUIRED BUILDING INSPECTIONS New Single-Family Home • Footer (Before Concrete Poured) • Rough Framing (After All Mechanicals Are Inspected, Before Insulation) • Insulation Inspection (Before Drywall) • Final Building (After All Mechanicals Are Inspected, Before Moving in Furniture)”
  • Certificate of occupancyRequired

    Structures permitted by the Trimble County Building Official and Office of Building Inspections.

    • The certificate must be issued before occupation.
    • Occupation without the certificate is described as a violation of state statute.
    • No certificate will be granted until permit-related fees, including electrical or building reinspection fees, are paid in full.
    “THE STRUCTURE WILL NOT BE OCCUPIED UNTILA CERTIFICATE OF OCCUPANCY IS GRANTED.”
    One more reviewed finding on this topic
  • County-wide zoningPresent (with conditions)

    Planning and zoning regulation administered by Trimble County Planning and Zoning for county areas, subject to the applicable local regulations and permits.

    • The official page also lists a Trimble County Zoning Ordinance and Subdivision Regulations.
    • Municipal rules may apply inside incorporated municipalities.
    “Planning & Zoning reviews development proposals for compliance and appropriateness with our locally adopted plans and regulations to provide balanced growth in the county.”
  • Local zoningPresent (with conditions)

    County aggregate of local planning and zoning regulation; this does not assert that the county administers every municipal ordinance.

    • The official county page identifies a county Planning and Zoning Commission and locally adopted plans and regulations.
    • Incorporated municipalities may administer separate local rules.
    “Planning & Zoning reviews development proposals for compliance and appropriateness with our locally adopted plans and regulations to provide balanced growth in the county.”
    One more reviewed finding on this topic
    • Present (with conditions) — County-level zoning regulation in Trimble County, including development proposals reviewed by the county Planning & Zoning Commission.
      “The Trimble County Planning and Zoning Commission is created by local government to guide the county’s physical development in accordance with our Comprehensive Plan.”
  • Zoning districtsPublished (with conditions)

    Zoning districts identified in Trimble County zoning materials.

    • The zoning permit application identifies A-1, A-2, R-1, R-2, R-3, B-1, B-2, B-3, I-1, and I-2.
    • The official Planning & Zoning page also links the county zoning ordinance and planning and zoning map.
    “Existing Zoning: A-1 A-2 R-1 R-2 R-3 B-1 B-2 B-3 I-1 I-2”
  • SetbacksSpecified

    Accessory structures on qualifying agricultural-exemption parcels.

    • The agricultural form states minimum setbacks remain applicable unless a variance has been granted.
    • Setbacks are measured from the edge of right-of-way, not the edge of pavement.
    • The stated 8-foot rule applies to accessory structures and does not establish all principal-building setbacks.

    accessory-structure setback: >= 8 feet (from all lot lines and all other structures on parcel)

    “Accessory Structures Must Be 8 feet from all lot lines and all other structures on parcel”
  • Who permits septicLocal

    On-site sewage administration for Trimble County through the North Central Health Department.

    • The Kentucky Cabinet for Health and Family Services identifies North Central Health Department as serving Henry, Shelby, Spencer, and Trimble counties.
    “North Central Health Department - serving Henry, Shelby, Spencer and Trimble counties”
  • Septic inspectionRequired

    Existing septic systems in Trimble County before issuance of a building or remodeling permit.

    • The source identifies sale or purchase, building additions, and rebuilding after a natural disaster as circumstances in which an existing system may need inspection.
    • The requirement is stated for local building-code offices and existing septic systems.
    “Local building code offices require the Health Department to inspect an existing septic system prior to issuance of a building or remodeling permit.”
    One more reviewed finding on this topic
    • Required — Existing septic systems associated with a sale, building addition, or post-disaster rebuild, where the local building office requires inspection before permit issuance.
      “Local building code offices require the Health Department to inspect an existing septic system prior to issuance of a building or remodeling permit.”
  • Mandatory utility hookupConditional

    Residential building applications depending on whether the property uses on-site sewage or a sewer district.

    • An on-site sewage system requires a Health Department certificate of approval.
    • If the property is not served by on-site sewage, a Sewer District certificate must be attached.
    “If yes, certificate of approval from the Health Department must be attached. Ifnot, a certificate from the Sewer District must be attached.”
  • Agricultural exemptionAvailable (with conditions)

    Land actually used for qualifying agricultural purposes in Trimble County.

    • The exemption applies only while the tract is actually used for agricultural purposes.
    • It is limited to zoning regulations under KRS Chapter 100.
    • Setback lines for streets and highways, floodplain regulations, and mobile-home/manufactured-home and dwelling regulations continue to apply.
    • The exemption does not waive Kentucky Building Code, permit, inspection, or certificate-of-occupancy requirements.

    minimum contiguous agricultural tract: >= 5 acres (for listed crop, livestock, and horticultural uses; other statutory agricultural uses may qualify regardless of tract size)

    “This form documents a landowner's claim that a specific tract is "land which is used for agricultural purposes" and is therefore exempt from local zoning regulations under KRS 100.203(4).”
  • Subdividing landRegulated (with conditions)

    Subdivision and platting activity in Trimble County.

    • The county planning page links official Subdivision Regulations.
    • Specific subdivision thresholds and approval procedures were not extracted within the research budget.
    “Trimble County Zoning Ordinance Code Enforcement Ordinance Short Term Rental Ordinance Solar Ordinance Amendment Solar Ordinance Subdivision Regulations”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Subdivision and land-development proposals in Trimble County.
      “Planning & Zoning reviews development proposals for compliance and appropriateness with our locally adopted plans and regulations to provide balanced growth in the county.”
  • Driveway accessRequired

    Building permit applications involving access or encroachment onto a public road.

    • The applicant must determine whether a right-of-way encroachment permit is required and identify the county, state, or city authority.
    • A zoning permit does not itself evidence a right of entrance or encroachment; the applicant remains responsible for obtaining the applicable permit.
    “It is the sole responsibility of the Applicant to obtain such permits whether county, state or federal.”
  • Building in a floodplainLimited

    Development on agricultural land and other property in Trimble County subject to floodplain rules.

    • The agricultural zoning exemption does not extend to floodplain regulations governing buildings and structures.
    • The available source does not state the full floodplain permit process or numeric standards.
    “the exemption does NOT extend to the following, which continue to apply to agricultural land: (a) Setback lines required for the protection of existing and proposed streets and highways; (b) Flood plain regulations governing buildings and structures; and (c) Regulation of mobile homes / manufactured homes and dwellings as permitted by KRS 100.203(4).”
  • Short-term rentalsAllowed (with conditions)

    Owner-occupied short-term rental dwelling units in Trimble County zoning districts where Residential Uses are a Permitted Use, including legal nonconforming residential uses.

    • A Short-Term Rental Property permit issued by Planning & Zoning is required before operation or advertising.
    • The owner-occupied unit must comply with the ordinance's special standards.
    • The application must be submitted in person at the Planning and Zoning Office.
    • The application requires a floor plan showing bedrooms and smoke-alarm locations.
    • The applicant must certify that operation does not violate applicable homeowners association, condominium, covenant, subdivision, code, restriction, or other governing agreements.
    • A responsible party must reside or be located within 25 miles and answer calls 24 hours a day, seven days a week during each rental period.
    • Required insurance coverage must be maintained; the county may revoke the permit if coverage lapses.
    • The initial application fee is $150 according to the application checklist dated April 17, 2025; the ordinance summary states an initial registration fee of $200 and an annual registration fee of $100, so the applicable current fee should be confirmed with Planning & Zoning.
    • The permit expires December 31 of each calendar year and must be renewed annually.
    • The maximum guest occupancy is twice the number of sleeping rooms plus four; simultaneous rental to more than one party is not allowed; the maximum guest stay is 30 consecutive days.
    • Outdoor signage identifying the STRP is prohibited, and incidental camping is not authorized.
    • The STRP must comply with applicable federal, state, and local laws concerning nondiscrimination, zoning, building, safety, property maintenance, health and sanitation, fire, electrical, plumbing, mechanical, and other requirements.

    responsible party distance: <= 25 miles (Responsible party must reside or be located within this distance.) · maximum guest stay: 30 consecutive days · initial application fee: 150 USD (Application checklist dated 4/17/2025; ordinance summary separately states $200 initial registration fee.) · annual renewal fee: 100 USD

    “In zoning districts in which Residential Uses are a Permitted Use, including legal nonconforming residential uses, a short-term rental of the dwelling unit that is the primary residence of the property owner (owner occupied) is permitted by the Planning and Zoning Administrator with special standards set forth in this section.”
    9 more reviewed findings on this topic
    • Limited — Non-owner-occupied short-term rental dwelling units in Trimble County zoning districts where Residential Uses are a Permitted Use, including legal nonconforming residential uses.
      “In zoning districts in which Residential Uses are a Permitted Use, including legal nonconforming residential uses, a short-term rental property (STRP) of the dwelling unit that is not the primary residence of the property owner (non-owner occupied) is required to obtain a Conditional Use Permit ("CUP") by the appropriate Board of Adjustments. If granted the CUP the owner must also comply with the special standards set forth in this section.”
    • Prohibited — Mobile homes as defined by the Trimble County Short-Term Rental Property Ordinance.
      “Owners of mobile homes as defined under this ordinance, whether owner occupied or non-owner occupied shall not be permitted to offer the mobile home, or any portion thereof, for short-term rental.”
    • Limited — Recreational vehicles located in a permitted recreational vehicle park in Trimble County.
      “In zoning districts in which recreational vehicles as defined under this ordinance, and are located in a permitted recreational vehicle park, whether occupied or non-occupied, the owner is required to obtain a Conditional Use Permit (CUP") by the appropriate Board of Adjustments in order to use the recreational vehicle as a STRP. If granted the CUP the owner must also comply with the special standards set forth in this section.”
    • Limited — Short-term rental properties in Trimble County.
      “No person or entity shall operate a STRP or advertise a residential property for use as a STRP without the owner of the property first having obtained a STRP permit issued by Planning & Zoning in accordance with the provisions of this section.”
    • Limited — Short-term rentals administered through Trimble County Planning and Zoning.
      “A separate application must be submitted for each Short-Term Rental request.”
    • Limited — Owner-occupied short-term rental properties in Trimble County zoning districts where residential uses are permitted, including legal nonconforming residential uses.
      “a short-term rental of the dwelling unit that is the primary residence of the property owner (owner occupied) is permitted”
    • Limited — Non-owner-occupied short-term rental properties in Trimble County zoning districts where residential uses are permitted, including legal nonconforming residential uses.
      “is required to obtain a Conditional Use Permit ("CUP") by the appropriate Board of Adjustments.”
    • Prohibited — Mobile homes as defined by the Trimble County Short-Term Rental Property Ordinance.
      “Owners of mobile homes as defined under this ordinance, whether owner occupied or non-owner occupied shall not be permitted”
    • Limited — Recreational vehicles located in a permitted recreational vehicle park in Trimble County zoning districts where recreational vehicles are permitted.
      “are located in a permitted recreational vehicle park, whether occupied or non-occupied, the owner is required to obtain a Conditional Use Permit”
  • Permit feesPublished (with conditions)

    Trimble County building permits.

    • Residential single-family, manufactured/modular, additions, finished basements, interior alterations, garages, decks, and accessory buildings are listed at $0.12 per square foot or a $50 minimum.
    • Multi-family is listed at $0.18 per square foot or a $50 minimum.
    • Expired permit renewal is $100; re-inspection is $50.
    • Residential and commercial fees are doubled for construction started without a building permit.

    single-family building permit: 0.12 USD per square foot ($50 minimum) · expired permit renewal: 100 USD (if no activity for 180 days) · re-inspection: 50 USD

    “Single Family House* $0.12 per sq. ft. or $50.00 minimum”
    One more reviewed finding on this topic
  • Permit processPublished (with conditions)

    Trimble County planning, zoning, building, inspection, and related permit applications.

    • The official Planning & Zoning page publishes applications for zoning, residential and commercial building permits, inspections, farmstead exemptions, temporary uses, camper temporary uses, variances, and short-term rentals.
    • Applications may require plot plans, construction plans, health-department approval, road approvals, and other permits.
    “Applications and Forms [...] Required Building Inspections [...] Fee Schedule For Building Permits [...] Zoning Permit Application [...] Residential Building Permit Application [...] Farmstead Exemption Form for Building [...] Temporary Use Permit Application [...] Camper Temporary Use Permit Application [...] Short Term Rental Permit Application”

Kentucky rules that apply here

  • Camping on your landLimited

    Camping or sleeping in the specified public and private pedestrian or vehicle-use areas statewide.

    • The person must knowingly enter or remain in a listed area with intent to sleep or camp.
    • The area must not have been designated for sleeping or camping, or the individual must lack authorization to sleep or camp there.
    • The listed areas include streets, sidewalks, areas under bridges or underpasses, paths, parks, cemeteries, and other areas designated for pedestrians or vehicles, including ingress or egress areas to businesses, homes, or public buildings.
    • The first offense is a violation; a second or subsequent offense, or a first offense where the person refuses to cease, is a Class B misdemeanor.
    • The section does not prohibit customary and temporary use of recreational camping areas, rest areas, or other properties specifically designated for resting or sleeping.
    • Temporary sleeping in a vehicle parked lawfully on a public road, street, or parking lot is not prevented when sleeping and parking occur for less than twelve (12) hours.

    temporary vehicle sleeping period: < 12 hours (The vehicle must be parked lawfully on a public road, street, or parking lot.)

    “A person is guilty of unlawful camping when he or she knowingly enters or remains on a public or private street, sidewalk, area under a bridge or underpass, path, park, cemetery, or other area designated for use by pedestrians or vehicles, including areas used for ingress or egress to businesses, homes, or public buildings, with the intent to sleep or camp in that area, when the area has not been designated for the purpose of sleeping or camping or the individual lacks authorization to sleep or camp in the area.”
    2 more reviewed findings on this topic
    • Allowed (with conditions) — Temporary camping locations for unsheltered homeless individuals designated by local governments under Kentucky law.
      “A local government may designate indoor or outdoor areas with defined boundaries in an area zoned for commercial or industrial use, separate from any area frequently used for public purposes, as a temporary camping location for unsheltered homeless individuals.”
    • Limited — Temporary parking of recreational vehicles on public or private property associated with specified publicly announced events.
      “Nothing in KRS 219.310 to 219.410 shall be construed to apply to the temporary parking of recreational vehicles on public or private property, for not more than thirty (30) days, associated with festivals, fairs, sporting events, yard sales, or other publicly announced events.”
  • Accessory dwellingsLimited

    Accessory dwelling units on lots containing a single-family home in a county containing a consolidated local government, when a new lease is initiated after June 27, 2025 and the lot is in a traditional single-family home zone.

    • The owner may not lease or allow the accessory dwelling unit to be occupied unless the owner primarily resides in the single-family home, multifamily housing unit, or accessory dwelling unit on the lot.
    • The restriction applies only in a county containing a consolidated local government.
    • A traditional single-family home zone is a zone that, as of January 1, 2025, did not include multifamily homes as a permitted use.
    • The restriction does not apply to a lot containing only one single-family home and no accessory dwelling unit.
    • The statutory effective date is June 27, 2025.

    new lease applicability date: > 2025-06-27 (The statute applies to new leases initiated after June 27, 2025.)

    “In a county containing a consolidated local government, for new leases initiated after June 27, 2025, a property owner shall not lease or allow to be occupied any single-family home, multifamily housing unit, or accessory dwelling unit located on a lot that contains a single-family home and that is located in a traditional single-family home zone, unless the owner primarily resides in the single-family home or multifamily housing unit or an accessory dwelling unit on the lot.”
  • Septic permitRequired

    Construction, installation, or alteration of an on-site sewage disposal system subject to Kentucky Cabinet regulation in Trimble County.

    • The permit must be obtained from the local health department before construction, installation, or alteration.
    • Permits are generally issued only to certified installers.
    • A homeowner may receive a permit if the stated homeowner conditions are met, including personal performance of the work subject to the excavation/backfilling exception.
    • A homeowner may not receive more than one homeowner permit in any five-year period, except for necessary repair or alteration of the originally permitted system.
    • The regulation specifies a $50 on-site sewage disposal permit fee plus any fee established by the local board of health.
    • Cluster-system plan review requires submission to the Environmental Management Branch and a $600 permit fee payable to the Kentucky State Treasurer.

    on-site sewage disposal permit fee: 50 USD (plus the required fee established by the local board of health) · homeowner permit frequency: per 5 years (except for necessary repair or alteration of the originally permitted system) · cluster system plan review permit fee: 600 USD (payable by check or money order to the Kentucky State Treasurer)

    “without having first obtained an on-site sewage disposal permit from the local health department.”
    One more reviewed finding on this topic
    • Required — Construction, installation, or alteration of an onsite sewage disposal system subject to Kentucky Cabinet regulation.
      “a permit to construct, install, or alter an on-site sewage disposal system shall be obtained prior to construction of any portion of that system.”
  • Off-grid sanitationProhibited

    Use of seepage pits, cesspools, or dry wells as onsite sewage disposal systems statewide in Kentucky, subject to the Section 13 exception.

    • The prohibition is subject to the exception provided in Section 13 of 902 KAR 10:085.
    • Section 13 permits limited repair or alteration of existing seepage-pit systems when municipal or public sewage treatment is unavailable and repair or alteration is required because of malfunction, damage, or upgrade.
    • A limited single-family vacant-lot exception applies to certain lots purchased on or before May 1, 1992, if bona fide construction began by December 25, 1992.
    “Except as provided in Section 13 of this administrative regulation, use of seepage pits, cesspools, or dry wells;”
    One more reviewed finding on this topic
  • Well permitNot required

    Construction or abandonment of a private water well by a property owner statewide in Kentucky.

    • Construction, modification, and abandonment must be performed by a Kentucky Certified Water Well Driller.
    • The certified driller must complete and submit required documentation within sixty days after completion.
    • The conclusion concerns owner permitting applications and fees; it does not eliminate the separate driller-certification requirement.

    well documentation submission deadline: 60 days after completion

    “there are no permitting applications or fees for constructing or abandoning a water well required of the property owner.”
    One more reviewed finding on this topic
  • Campground & park staysTemporary only (with conditions)

    Sleeping temporarily in a recreational vehicle or other vehicle in a vehicle-based location covered by KRS 511.110.

    • The vehicle must be parked lawfully on a public road, street, or parking lot.
    • Sleeping and parking at the location must occur for less than twelve (12) hours.
    • This provision does not establish permission for long-term or permanent RV occupancy on private land.
    • KRS 511.110 separately prohibits camping in specified areas when the area has not been designated for sleeping or camping or the person lacks authorization.

    maximum sleeping and parking period: < 12 hours

    “Nothing in this section shall prevent a person from sleeping temporarily in his or her vehicle parked lawfully on a public road, street, or parking lot, where the sleeping and parking of the vehicle at the location occur for a period of less than twelve (12) hours.”
  • county zoning authorityGeneral

    Kentucky counties' statutory authority to enact zoning regulations, including county-regulated areas outside incorporated municipalities as determined by the applicable planning-unit and political-boundary structure.

    • The statute expressly authorizes both cities and counties to enact zoning regulations.
    • A zoning regulation must contain text listing the types of zones and regulations applicable in each zone, uniform throughout the zone, and provisions for variances, conditional-use permits, and nonconforming uses.
    • Authorized subjects include land activities, structure dimensions and locations, open-space and distance requirements, density, special-interest districts, fringe areas, and activities or structures near thoroughfares, water bodies, public facilities, aircraft facilities, unique places, and floodplains.
    • Agricultural land must have no regulations except that setback lines may be required for streets and highways; floodway or floodplain buildings or structures may be fully regulated; mobile homes and other dwellings may be regulated; and uses under KRS 100.111(2)(c) may be regulated as conditional uses.
    • The applicable planning unit and political boundaries determine the area governed by a county zoning regulation.
    “Cities and counties may enact zoning regulations which shall contain:”
    One more reviewed finding on this topic
    • General — Kentucky counties may adopt permanent land-use regulations, including zoning, through the applicable planning-unit process; this authority reaches county jurisdiction, including unincorporated areas, subject to the statutory planning prerequisites.
      “When all required elements of the comprehensive plan have been adopted in accordance with the provisions of this chapter, then the legislative bodies and fiscal courts within the planning unit may enact permanent land use regulations, including zoning and other kinds of growth management regulations”
  • county building authorityGeneral

    Kentucky fiscal courts may adopt and enforce construction regulations and may require building permits for construction in the county, including residential construction in unincorporated areas.

    • The construction regulations must be adopted by county order or resolution.
    • The regulations operate pursuant to KRS 198B.060 and the Uniform State Building Code framework.
    • A county building inspector may administer the regulations.
    • No person may build, erect, construct, reconstruct, remodel, relocate, alter, or repair a building within the county without first obtaining a building permit from the building inspector when the county permit system applies.
    • Permit fees must be reasonable and may not exceed the cost of the service provided.
    • A person aggrieved by the building inspector's ruling, order, or decision may appeal under KRS 198B.070.

    permit fee ceiling: <= cost of the service provided

    “The fiscal court of any county shall have authority, by order or resolution, to adopt, and to enforce, regulations governing construction as defined by KRS 198B.010 pursuant to the provisions of KRS 198B.060.”
    One more reviewed finding on this topic
    • General — Kentucky county authority, as a local government, to enforce the Uniform State Building Code and issue building permits within its jurisdiction, including unincorporated residential construction.
      “Each local government shall employ a building official or inspector and other code enforcement personnel as necessary, or shall contract for inspection and code enforcement services in accordance with subsections (8) and (11) of this section to enforce the Uniform State Building Code within the boundaries of its jurisdiction, except that permits, inspections, and certificates of occupancy shall not be mandatory for single-family residences unless a local government passes an ordinance requiring inspections of single-family residences.”

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 size requirements in Trimble County.
  • Minimum lot size — Minimum lot size requirements in Trimble County.
  • Lot coverage — Lot coverage requirements in Trimble County.
  • Building height — Building-height requirements in Trimble County.
  • Living in an RV — Long-term or permanent recreational-vehicle occupancy on private land in Trimble County.
2 more unanswered
  • Tiny homes
  • Manufactured homes

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.

Living off-grid in Trimble County, Kentucky

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

Trimble County scores 58/100 on the Bolthole Index, a solid county profile. Its strengths: manageable long-term carry cost and mixed durability signals. Watch-outs: a weaker property-autonomy legal backdrop and about 43,051 people within a 30-minute drive.

Do you need a building permit in Trimble County, Kentucky?

Trimble County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by North Central District Health Department. 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.

How much does land cost in Trimble County, Kentucky?

Land in Trimble County runs about $4,600 per acre, based on the latest county data.

What is the water situation in Trimble County?

Trimble County gets about 49.6" of rain a year, with severe drought in roughly 2.5% of years.

How remote is Trimble County?

A representative private-land location has about 43,051 people within a 30-minute drive and 5,453,831 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

How Trimble compares in Kentucky

Compare side-by-side →See all 120 Kentucky counties ranked →