Unincorporated Wayne County, Utah requires land-use approval and a building permit before covered construction begins.1 The county also has zoning, while Central Utah Public Health Department issues onsite wastewater permits.23 Start with Wayne County Planning and Zoning and the Clerk’s Office before ordering plans or beginning site work.45
At a glance
- Building permit
- Required before covered construction in unincorporated Wayne County1
- Zoning
- County land-use districts and use controls apply in unincorporated areas26
- Septic
- Central Utah Public Health Department issues the onsite wastewater permit37
- RV living
- An RV may not be used as an accessory building; private-land occupancy needs a parcel-specific answer8
- Tiny home
- Classification and occupancy depend on county land-use review69
- Owner-builder
- A conditional contractor-license exemption is available, but permits still apply10
- Water and sewer
- Nearby accessible sewer may require connection; otherwise an approved private system may be used11
Who to call
Building permits
Wayne County Clerk’s Office — Building Permits
Building permit applications and the county building-permit contact
18 S Main, PO Box 189, Loa, Utah 84747
Planning & zoning
Wayne County Planning and Zoning
Land-use applications, zoning review and subdivision questions
18 S Main Loa, UT 84747
Septic permits
Central Utah Public Health Department — Wayne Office
Onsite wastewater permitting and local environmental-health review
18 South Main Loa, Utah
Roads & driveways
Encroachment permits for work entering or leaving established county roads
P.O. Box 189 Loa, Utah 84747
Contact details are copied from each office’s official page and were checked against it on September 27, 2026.
Do you need a building permit in Wayne County, Utah?
Yes. Unincorporated Wayne County requires approval of a land-use application and a building permit before covered construction, alteration, enlargement, repair or removal begins.1 The county process applies to uses, expansions, construction and structural modifications in unincorporated Wayne County; required forms and fees must be complete, and work cannot start until the necessary approvals, permits and licenses have been issued.12
Utah’s State Construction Code also governs covered new construction and specified work on existing buildings.13 A structure used solely for agriculture and not for human occupancy can qualify for a state construction-code exemption, but plumbing, electrical or mechanical permits may still be required and location-based exceptions apply.14 Ask the Clerk’s Office and Planning and Zoning to classify the project before treating a barn, shed or other farm structure as exempt.54
Who issues building permits in Wayne County, and how do you reach them?
Wayne County directs building-permit applicants to the Clerk’s Office at 435-836-1302, and the county’s documents page provides the building permit application.5 Wayne County Planning and Zoning can be reached at 435-836-1303 at 18 S Main in Loa for land-use and zoning review.4
For unincorporated property, begin with Planning and Zoning to identify the zoning district, permitted-use category and required land-use application, then coordinate the construction permit with the Clerk’s Office.612 The county reviews an application for completeness after the applicable form and fees are submitted; an incomplete application does not go to the Land Use Authority until deficiencies are corrected.12 Wayne County treats an application as withdrawn if identified deficiencies remain uncorrected for 30 calendar days after written notice.12
Does Wayne County, Utah have zoning?
Yes. Wayne County has land-use ordinances governing development in unincorporated areas.2 The published districts are A, RA, BC, RR, I and SP, and the county classifies uses as permitted, conditional or prohibited.6 A use omitted from the county Table of Uses is prohibited, so a rural parcel is not automatically unrestricted merely because it is large or remote.6
Setbacks and development standards depend on the district and proposed use.6 For land with potential soil, earthquake, flood or other natural hazards, the Land Use Authority may require an applicant-paid geotechnical report prepared by a qualified professional.15 We could not confirm a countywide minimum floor area for a primary dwelling; ask Planning and Zoning for the rule that applies to the parcel and proposed dwelling type.4
How do septic permits work in Wayne County, Utah?
Central Utah Public Health Department issues onsite wastewater permits in Wayne County, and construction of any part of the system cannot begin until the health department issues a construction permit.7 The Wayne office is at 18 South Main in Loa and can be reached at (435) 836-1317.16 Local health departments administer Utah’s onsite wastewater rule and may impose stricter requirements, fees, servicing rules and variance procedures.17
Only 13.2% of county soils are rated without severe limitations for a conventional septic drain field, so soil evaluation should happen early in due diligence.18 If an accessible public sewer lies within 300 feet of the property line, connection is required; otherwise an approved private sewage-disposal system may be used.11 That makes septic feasibility and sewer availability important before fixing a house site or purchase price.11
Can you live in an RV or tiny home on land in Wayne County?
Wayne County prohibits using a mobile home, travel trailer or similar recreational vehicle as an accessory building.8 That rule does not answer every question about temporary RV occupancy on private land, so ask Planning and Zoning for a written parcel-specific determination before relying on an RV during construction.4
We could not confirm a Wayne County rule expressly classifying every structure marketed as a tiny home. Utah’s RV-park rule allows a qualifying tiny house in an RV park only when certification and other park requirements are met, but that rule does not authorize a tiny home on an ordinary private parcel.9 Outside an RV park, local land-use classification determines whether the unit is treated as a primary dwelling, accessory dwelling, modular unit, manufactured home or another regulated structure.9 Confirm the proposed unit, foundation, utilities and occupancy with Planning and Zoning before purchase.4
Building a home in Wayne County, Utah: what are the steps?
- Ask Planning and Zoning to confirm the parcel’s district, allowed residential use, setbacks and land-use application at 435-836-1303.46
- Confirm legal access; county-road work involving entry onto or departure from an established Wayne County road requires an encroachment permit, while a driveway connection along a state highway requires UDOT’s conditional access permit.1920
- Resolve water and wastewater with Central Utah Public Health before finalizing the site plan.1116
- Submit the required land-use materials, fees and building-permit application; construction must wait until all required approvals are issued.12 If acting as owner-builder, confirm the conditional contractor-license exemption, which does not waive permits or inspections.10
What should you check before buying land in Wayne County?
Confirm zoning, legal-lot status, setbacks and the proposed use with Wayne County Planning and Zoning before closing.24 Check whether road access is from a county road or state highway because the permitting authority changes with the road.1920
Test wastewater feasibility early: only 13.2% of Wayne County soils are rated without severe limitations for a conventional septic drain field.18 Verify a lawful water source as well; where public potable water is unavailable, an individual source must meet Utah water-law requirements and receive local health approval.11 Wayne County receives about 9.4 inches of precipitation annually, and severe drought occurred in 34.4% of measured years, making water reliability a central land question.2122 Finally, map hazards and buildable terrain: 46.5% of county land has a slope of 15% or less, and a hazard-prone site may trigger a geotechnical report.2315
Watch-outs
- Do not start construction in unincorporated Wayne County until the required land-use approvals and permits have been issued.12
- An RV cannot be used as an accessory building in Wayne County, and private-parcel occupancy should be confirmed with Planning and Zoning.84
- County-road access work and state-highway driveway connections follow different permit paths.1920
- A potential flood, soil, earthquake or other natural hazard can lead the Land Use Authority to require an applicant-paid geotechnical report.15
Sources
- Wayne County Utah - Administrative Manual (2026 county census)
- Wayne County Utah - Land Use Ordinances and Resolutions (2026 county census)
- Central Utah Public Health Department - Onsite Wastewater Permit (2026 county census)
- Wayne County Planning and Zoning (waynecountyutah.gov)
- Wayne County Clerk’s Office — Building Permits (waynecountyutah.gov)
- Wayne County Land Use Ordinances and Resolutions, quoted and re-checked
- DAR File No. 37575, Rule R317-4 Onsite Wastewater Systems, quoted and re-checked
- Wayne County Zoning Ordinance – A Land Use Ordinance, quoted and re-checked
- OPRO Accessory Dwellings (ADU's) and other dwelling types (Utah statewide rule), quoted and re-checked
- Utah Code Title 58, Chapter 55, Section 305 — Exemptions from licensure, quoted and re-checked
- Utah Legislature HB0064, quoted and re-checked
- Wayne County Administrative Manual, quoted and re-checked
- Utah Code § 15A-1-204, Adoption of State Construction Code (Utah statewide rule), quoted and re-checked
- Utah Code § 15A-1-204 (Utah statewide rule), quoted and re-checked
- Wayne County Land Use Ordinances and Resolutions, quoted and re-checked
- Central Utah Public Health Department — Wayne Office (centralutahhealth.gov)
- DAR File No. 39821, Rule R317-4, Onsite Wastewater Systems (Utah statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Wayne County Road Department (waynecountyutah.gov)
- Conditional Access Permit (Utah statewide rule), quoted and re-checked
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
Written September 27, 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.