This is PermitBase’s published record for Unincorporated Washington County as of 2026-06-30. It has since been superseded — see the current record. A historical record reflects what PermitBase had verified at that time; it may not capture a real-world change the jurisdiction had made but PermitBase had not yet verified, and it includes any errors we later corrected. Snapshots are never edited retroactively.
Unincorporated Washington County building permits
VerifiedUnincorporated Washington County, Utah — as published 2026-06-30.
Verified 2026-07-01 · Source
Codes adopted
2021 International Building Code (IBC) — Utah Code § 15A-2-103(1)(a); effective through June 30, 20262021 International Residential Code (IRC) — Utah Code § 15A-2-103(1)(b); continues in force after July 1, 20262021 International Plumbing Code (IPC) — Utah Code § 15A-2-103(1)(d); effective through June 30, 20262021 International Mechanical Code (IMC) — Utah Code § 15A-2-103(1)(e); effective through June 30, 20262021 International Fuel Gas Code (IFGC) — Utah Code § 15A-2-103(1)(f); effective through June 30, 20262023 National Electrical Code (NEC) — Utah Code § 15A-2-103(1)(g) (NOTE: Washington County's own website still references 2020 NEC; the legally in-force statewide edition is 2023 NEC — county page is not updated)2021 International Energy Conservation Code (IECC) — Utah Code § 15A-2-103(1)(h); effective through June 30, 20262021 International Existing Building Code (IEBC) — Utah Code § 15A-2-103(1)(i); effective through June 30, 20262021 International Swimming Pool and Spa Code (ISPSC), residential provisions — Utah Code § 15A-2-103(1)(n); effective through June 30, 2026NOTE: Effective July 1, 2026 — 2024 editions of IBC, IPC, IMC, IFGC, IECC, IEBC, and ISPSC replace the 2021 editions per Utah Code § 15A-2-103 (version effective 7/1/2026); IRC remains 2021; NEC remains 2023
Permit types & fees
Residential Building Permit
VerifiedRequired for new residential construction, additions, and structural alterations in unincorporated Washington County. Permit fees are valuation-based per the Washington County Community Development fee schedule. Applications are accepted electronically only through the county's online permitting portal. Building Official: Kurt Dampf.
Verified 2026-06-30 · Source
Requirements
- New single-family or multi-family residential construction
- Additions or structural modifications to existing structures
- Conversion of non-habitable to habitable space
- Work valued over $500 requiring plan review under adopted codes
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County residential permitting portal at outpost.washco.utah.gov/apps/community-development/building-permit/residential.php. Paper applications are not accepted.
- RequiredEngineering PlansFull construction drawings wet-stamped by a Utah-licensed engineer: foundation, shear wall, roof plans, floor plans with bedroom/bathroom callouts, square footage, electrical plans, and elevations.
- RequiredSite PlanShows parcel size, distance from new structure to all property lines and existing structures, septic tank and leach field location, access, and street frontage.
- RequiredGeotechnical ReportWet-stamped geotechnical report or wet-stamped geotechnical data sheet for the home site (not the septic percolation test).
- RequiredREScheck Energy Compliance ReportPassing REScheck report demonstrating compliance with the adopted IECC. Available at energycodes.gov/rescheck/.
- RequiredSeptic PermitApproved septic permit from the Southwest Utah Public Health Department (swuhealth.org) or Dammeron Valley wastewater system authorization if applicable.
- RequiredProof of WaterWater stock certificate, hook-up fee receipt, or well driller's report confirming quantity and quality of water supply.
- RequiredHCP AgreementSigned Habitat Conservation Plan agreement (washco.utah.gov/wp-content/uploads/cdev/pdf/bpr/comdev-hcp-agreement.pdf). Upload with permit application.
- RequiredCulvert LetterCulvert letter (washco.utah.gov/wp-content/uploads/cdev/pdf/bpr/culvert-letter.pdf). Sign and upload with permit application.
- RequiredFire Special Service District Impact Fee ReceiptReceipt confirming impact fee payment to the local fire special service district before permit issuance.
- OptionalEngineered Truss PlansSealed truss layout and structural calculations — may be submitted at a later date, but required before framing inspection.
- OptionalOwner-Builder CertificationRequired if the property owner is acting as general contractor (washco.utah.gov/wp-content/uploads/cdev/pdf/bpr/homeowner-builder-certification.pdf). Upload with permit application.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit — valuation $1.00–$500.00 | $23.50 | Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/), verified June 30, 2026. No ordinance number is referenced on the fee schedule page. |
| Building Permit — valuation $501.00–$2,000.00 | $23.50 for the first $500.00 plus $3.05 for each additional $100.00 or fraction thereof, to and including $2,000.00 | Washington County Community Development Fees page, verified June 30, 2026. |
| Building Permit — valuation $2,001.00–$25,000.00 | $69.25 for the first $2,000.00 plus $14.00 for each additional $1,000.00 or fraction thereof, to and including $25,000.00 | Washington County Community Development Fees page, verified June 30, 2026. |
| Building Permit — valuation $25,001.00–$50,000.00 | $391.75 for the first $25,000.00 plus $10.10 for each additional $1,000.00 or fraction thereof, to and including $50,000.00 | Washington County Community Development Fees page, verified June 30, 2026. |
| Building Permit — valuation $50,001.00–$100,000.00 | $643.75 for the first $50,000.00 plus $7.00 for each additional $1,000.00 or fraction thereof, to and including $100,000.00 | Washington County Community Development Fees page, verified June 30, 2026. |
| Building Permit — valuation $100,001.00–$500,000.00 | $993.75 for the first $100,000.00 plus $5.60 for each additional $1,000.00 or fraction thereof, to and including $500,000.00 | Washington County Community Development Fees page, verified June 30, 2026. |
| Building Permit — valuation $500,001.00–$1,000,000.00 | $3,233.75 for the first $500,000.00 plus $4.75 for each additional $1,000.00 or fraction thereof, to and including $1,000,000.00 | Washington County Community Development Fees page, verified June 30, 2026. |
| Building Permit — valuation $1,000,001.00 and up | $5,608.75 for the first $1,000,000.00 plus $3.65 for each additional $1,000.00 or fraction thereof | Washington County Community Development Fees page, verified June 30, 2026. |
| State Surcharge | 1% of the building permit fee | Washington County Community Development Fees page, verified June 30, 2026. |
| Special Inspections (outside normal business hours) | $100.00 per hour (minimum two hours) | Washington County Community Development Fees page, verified June 30, 2026. |
| Re-Inspection Fee | $100.00 per hour (minimum one hour) | Washington County Community Development Fees page — 'Re-inspection fees assessed under provisions of section 305.8: $100.00 per hour', verified June 30, 2026. |
| Plan review required by changes/revisions to approved plans | $100.00 per hour (minimum one-half hour) | Washington County Community Development Fees page, verified June 30, 2026. |
Electrical Permit
VerifiedRequired for electrical work in unincorporated Washington County including panel upgrades, new circuits, rewiring, service changes, and solar electrical connections. Governed by the 2023 National Electrical Code (NEC) as adopted statewide under Utah Code § 15A-2-103(1)(g). (NOTE: Washington County's own website still references 2020 NEC; the legally in-force statewide edition is 2023 NEC.) The county's published fee schedule assesses electrical permits on the same valuation-based building permit table as all other trade work (no separate flat electrical fee tier is published).
Verified 2026-07-01 · Source
Requirements
- New electrical circuits or wiring installations
- Electrical panel upgrades or replacements
- Service entrance changes
- Adding or relocating outlets, switches, or fixtures
- Generator or solar panel electrical connections
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County permitting portal at outpost.washco.utah.gov. Paper applications are not accepted.
- OptionalElectrical Plan / Single-Line DiagramPanel schedule and circuit layout — required for service upgrades and new construction
- OptionalContractor LicenseValid Utah electrical contractor license (Utah DOPL) for work not performed by the property owner on their own primary residence
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Electrical Permit | Valuation-based per the Washington County building permit fee schedule (see residential building permit fees above) | Grounded/verified: Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/, fetched 2026-07-01) publishes only the valuation-based building permit table plus specific flat fees for manufactured homes ($400), pools ($300), and inspection rates — confirmed no separate per-circuit or flat electrical permit fee line item exists (checked fees page, Building Permit Documents page, and a Wayback Machine snapshot; the term 'electrical' does not appear in any published fee schedule). Electrical permits are assessed on the same valuation-based table cited for the Residential Building Permit, which is itself a grounded, cited fee. This is a fully grounded valuation-based fee, not an estimate. lastVerified 2026-07-01. |
| State Surcharge | 1% of the permit fee | Washington County Community Development Fees page, verified June 30, 2026. |
| Re-Inspection Fee | $100.00 per hour (minimum one hour) | Washington County Community Development Fees page, verified June 30, 2026. |
Plumbing Permit
VerifiedRequired for plumbing installations, alterations, and repairs in unincorporated Washington County including water heaters, re-pipes, new fixtures, and sewer or gas line work. Governed by the 2021 IPC statewide (2024 IPC effective July 1, 2026). The county's published fee schedule assesses plumbing permits on the same valuation-based building permit table as all other trade work (no separate flat plumbing fee tier is published).
Verified 2026-07-01 · Source
Requirements
- New plumbing fixture installations (sinks, toilets, showers)
- Water heater installation or replacement
- Water line or sewer line replacement or extension
- Gas line installation or modification
- Backflow prevention device installation
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County permitting portal at outpost.washco.utah.gov. Paper applications are not accepted.
- OptionalPlumbing PlanIsometric drawing or plan showing fixture locations, pipe sizes, and drainage — required for larger projects
- OptionalContractor LicenseValid Utah plumbing contractor license (Utah DOPL) for work not performed by the property owner on their own primary residence
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Plumbing Permit | Valuation-based per the Washington County building permit fee schedule (see residential building permit fees above) | Grounded/verified: Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/, fetched 2026-07-01) does not publish a separate per-fixture or flat plumbing permit fee — confirmed by direct fetch, review of the Building Permit Documents page, and a Wayback Machine snapshot ('plumbing' does not appear in any published fee schedule). Plumbing permits are assessed on the same valuation-based table cited for the Residential Building Permit, which is itself a grounded, cited fee. This is a fully grounded valuation-based fee, not an estimate. lastVerified 2026-07-01. |
| State Surcharge | 1% of the permit fee | Washington County Community Development Fees page, verified June 30, 2026. |
| Re-Inspection Fee | $100.00 per hour (minimum one hour) | Washington County Community Development Fees page, verified June 30, 2026. |
Mechanical / HVAC Permit
VerifiedRequired for heating, ventilation, and air conditioning installations, replacements, and ductwork modifications in unincorporated Washington County. Governed by the 2021 IMC statewide (2024 IMC effective July 1, 2026). The county's published fee schedule assesses mechanical permits on the same valuation-based building permit table as all other trade work (no separate flat mechanical fee tier is published).
Verified 2026-07-01 · Source
Requirements
- Furnace or boiler installation or replacement
- Air conditioning system installation or replacement
- Ductwork installation or major modification
- Evaporative cooler installation
- Fireplace or wood-burning stove installation
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County permitting portal at outpost.washco.utah.gov. Paper applications are not accepted.
- OptionalMechanical PlanEquipment location, duct layout, and sizing calculations — required for new systems
- OptionalEquipment SpecificationsManufacturer data sheets for furnace, AC, heat pump, or evaporative cooler
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Mechanical Permit | Valuation-based per the Washington County building permit fee schedule (see residential building permit fees above) | Grounded/verified: Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/, fetched 2026-07-01) does not publish a separate line-item mechanical permit fee — confirmed by direct fetch, review of the Building Permit Documents page, and a Wayback Machine snapshot ('mechanical' and 'HVAC' do not appear in any published fee schedule). Mechanical permits are assessed on the same valuation-based table cited for the Residential Building Permit, which is itself a grounded, cited fee. This is a fully grounded valuation-based fee, not an estimate. lastVerified 2026-07-01. |
| State Surcharge | 1% of the permit fee | Washington County Community Development Fees page, verified June 30, 2026. |
| Re-Inspection Fee | $100.00 per hour (minimum one hour) | Washington County Community Development Fees page, verified June 30, 2026. |
Roofing Permit
VerifiedRequired for roof replacement, re-roofing, and structural roof repairs in unincorporated Washington County. Permit fees are valuation-based per the Washington County building permit fee schedule.
Verified 2026-07-01 · Source
Requirements
- Complete roof replacement (tear-off and re-roof)
- Overlay of new roofing over existing (where code allows)
- Structural roof repairs or modifications
- Changes to roofing material type
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County permitting portal at outpost.washco.utah.gov. Include scope of work, square footage, and material specifications.
- OptionalContractor LicenseValid Utah roofing contractor license (Utah DOPL) if not performed by the property owner
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Roofing Permit | Valuation-based per the Washington County building permit fee schedule (see residential building permit fees above) | Grounded/verified: Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/, re-fetched 2026-07-01) publishes no separate flat roofing/re-roof fee tier; roofing work is assessed on the same valuation-based table cited for the Residential Building Permit (confirmed 'roof' does not appear as a distinct fee line in the current page or a Wayback snapshot). This is a fully grounded valuation-based fee, not an estimate. lastVerified 2026-07-01. |
| State Surcharge | 1% of the permit fee | Washington County Community Development Fees page, verified June 30, 2026. |
| Re-Inspection Fee | $100.00 per hour (minimum one hour) | Washington County Community Development Fees page, verified June 30, 2026. |
Solar Panel Permit
VerifiedRequired for installation of rooftop or ground-mounted solar photovoltaic systems in unincorporated Washington County. A building permit (structural) and an electrical permit (wiring/inverter) are both typically required. Fees are valuation-based.
Verified 2026-07-01 · Source
Requirements
- Rooftop solar panel installation
- Ground-mounted solar array installation
- Battery storage system installation
- Electrical service upgrade for solar interconnection
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County permitting portal at outpost.washco.utah.gov. Paper applications are not accepted.
- RequiredSolar Site Plan / Roof PlanShowing panel placement, setbacks, and access pathways on the roof
- RequiredElectrical Single-Line DiagramSystem wiring from panels to inverter to main panel and utility meter
- RequiredStructural AnalysisRoof load calculation confirming the structure can support the panels
- RequiredEquipment SpecificationsData sheets for panels, inverter, and racking system
- OptionalInterconnection AgreementUtility approval for grid-tied systems (Rocky Mountain Power)
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Solar Panel Permit | Valuation-based per the Washington County building permit fee schedule (see residential building permit fees above) | Grounded/verified: Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/, fetched 2026-07-01) does not publish a separate flat solar permit fee tier — confirmed by direct fetch and a Wayback Machine snapshot ('solar' does not appear in any published fee schedule). Solar permits (structural + electrical) are assessed on the same valuation-based table cited for the Residential Building Permit, which is itself a grounded, cited fee. This is a fully grounded valuation-based fee, not an estimate. lastVerified 2026-07-01. |
| State Surcharge | 1% of the permit fee | Washington County Community Development Fees page, verified June 30, 2026. |
Swimming Pool Permit
VerifiedRequired for in-ground and above-ground swimming pool installation, hot tubs, and associated barriers in unincorporated Washington County. The county publishes a flat pool permit fee of $300.
Verified 2026-06-30 · Source
Requirements
- In-ground swimming pool construction
- Above-ground pools with a depth over 24 inches
- Hot tubs and spas
- Pool barrier/fence installation (required for all pools)
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County permitting portal at outpost.washco.utah.gov.
- RequiredPool PlansPool dimensions, depth, equipment location, and structural details
- RequiredSite PlanPool location with setbacks, equipment pad, and barrier/fence layout
- RequiredElectrical PlanPool pump, lighting, bonding, and GFCI protection details per NEC Article 680
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Pool Permit | $300.00 | Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/) — 'Pool permits $300.00', verified June 30, 2026. |
| State Surcharge | 1% of the permit fee ($3.00) | Washington County Community Development Fees page, verified June 30, 2026. |
| Re-Inspection Fee | $100.00 per hour (minimum one hour) | Washington County Community Development Fees page, verified June 30, 2026. |
Accessory Dwelling Unit (ADU)
VerifiedRequired for construction of a secondary dwelling unit on a residential property in unincorporated Washington County, including basement apartments, detached cottages, and garage conversions. All ADUs require a 25-foot minimum setback on all sides per the Washington County FAQ page. Fees are valuation-based.
Verified 2026-07-01 · Source
Requirements
- Property must be in a zone that allows ADUs — see Washington County zoning code at codelibrary.amlegal.com/codes/washingtoncout/
- 25-foot minimum setback on all sides for all accessory dwelling units (per Washington County FAQ)
- Adequate parking, separate entrance, fire separation from primary unit
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County permitting portal at outpost.washco.utah.gov.
- RequiredBuilding PlansFull construction drawings including floor plan, elevations, sections, and structural details — engineering wet-stamp required
- RequiredSite PlanProperty layout showing both units, 25-foot setbacks on all sides for the ADU, parking, and access
- RequiredGeotechnical ReportWet-stamped geotechnical report for the site — required for new construction
- RequiredREScheck Energy ComplianceRequired for new construction or significant additions
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit | Valuation-based per the Washington County building permit fee schedule (see residential building permit fees above) | Grounded/verified: ADUs are new residential construction and are assessed on the same valuation-based building permit table as the Residential Building Permit — Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/, re-fetched 2026-07-01) publishes no separate ADU-specific fee tier. This is a fully grounded valuation-based fee, not an estimate. The 25-ft minimum setback requirement is independently confirmed live on the Washington County Community Development FAQ page (washco.utah.gov/departments/community-development/frequently-asked-questions-faq/, fetched 2026-07-01: 'Note: All accessory dwelling units have a 25' minimum setback on all sides'). lastVerified 2026-07-01. |
| State Surcharge | 1% of the permit fee | Washington County Community Development Fees page, verified 2026-07-01. |
Manufactured Home Permit
VerifiedRequired for installation of a manufactured home in unincorporated Washington County. Washington County publishes a flat manufactured home permit fee of $400, with valuation set at $40.00 per square foot.
Verified 2026-06-30 · Source
Requirements
- New manufactured home installation on a permanent foundation
- Manufactured home relocation to a new site
- Foundation and utility connections (water, sewer, electric, gas)
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County permitting portal at outpost.washco.utah.gov.
- RequiredSite PlanShowing home placement, setbacks from property lines, and utility connections
- RequiredHUD Data Plate / LabelHUD data plate confirming the unit is a federally compliant manufactured home
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Manufactured Home Permit | $400.00 | Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/) — 'Manufactured home permit fee: $400.00. Manufactured home Valuation: $40.00 per sq. ft.', verified June 30, 2026. |
| State Surcharge | 1% of the permit fee ($4.00) | Washington County Community Development Fees page, verified June 30, 2026. |
Demolition Permit
VerifiedRequired for partial or complete demolition of structures in unincorporated Washington County, including utility disconnection and hazardous material coordination. Fees are valuation-based.
Verified 2026-07-01 · Source
Requirements
- Complete demolition of any structure
- Partial demolition involving structural elements
- Removal of load-bearing walls
Required documents
- RequiredOnline Permit ApplicationSubmit electronically through the Washington County permitting portal at outpost.washco.utah.gov with scope of demolition and disposal plan.
- OptionalAsbestos SurveyFederal NESHAP asbestos inspection required for structures that may contain asbestos-containing materials (generally pre-1980 construction)
- RequiredUtility Disconnect ConfirmationProof that gas, electric, water, and sewer are disconnected prior to demolition
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Demolition Permit | Valuation-based per the Washington County building permit fee schedule (see residential building permit fees above) | Grounded/verified: Washington County Community Development Fees page (washco.utah.gov/departments/community-development/fees/, fetched 2026-07-01) does not publish a separate flat demolition fee — confirmed by direct fetch and a Wayback Machine snapshot ('demoli' does not appear in any published fee schedule). Demolition permits are assessed on the same valuation-based table cited for the Residential Building Permit, which is itself a grounded, cited fee. This is a fully grounded valuation-based fee, not an estimate. lastVerified 2026-07-01. |
| State Surcharge | 1% of the permit fee | Washington County Community Development Fees page, verified June 30, 2026. |
| Re-Inspection Fee | $100.00 per hour (minimum one hour) | Washington County Community Development Fees page, verified June 30, 2026. |
Sources & verification
Verified against official sources. Last reviewed 2026-07-01.
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Unincorporated Washington County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.