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Residential Building Permit in Unincorporated Sevier County, Utah

Required for new single-family dwelling construction, additions, and any structural, electrical, plumbing, or mechanical alteration in unincorporated Sevier County. Sevier County Building, Planning and Zoning administers permits countywide for unincorporated areas via the utah.cityinspect.com online portal; applicants select 'SINGLE FAMILY DWELLING' as the Permit Type for new residential construction.

Reviewed 2026-07-08 · Source

When you need this permit

  • New single-family dwelling construction
  • Additions to existing residential structures
  • Any structural, electrical, plumbing, or mechanical alteration
  • Zoning approval obtained PRIOR to building permit application (required attachment)
  • For new residences in the unincorporated county: completed 'Unincorporated Area Signature Sheet' with sign-offs from Planning/Zoning/Flood, Road Department, Utah Division of Water Rights, Central Utah Health Department (septic), power utility, and gas utility
  • Owner/Builder Form required if no licensed general contractor is used for new construction Owner-builderContractor

Required documents

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This checker covers one permit. A full project usually triggers several — our checklist will assemble all of them, free →

Fee schedule

Filing fee
Not published — contact the department

Review timeline

Plan reviewUnincorporated Sevier County’s published plan-review target
14–14 business days

How long did your Residential Building Permit permit actually take in Unincorporated Sevier County?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Footing/Foundation Reinforcement

    Inspection of footing reinforcement before pouring concrete footings, and foundation wall reinforcement before pouring concrete walls (or any other rebar inspection), per the county's official Required Inspections page.

  2. 2

    Under-Slab / Rough Plumbing, Electrical, Mechanical

    Under concrete floor (plumbing) inspection, intermediate inspection, rough framing and sheathing, rough plumbing, rough electrical, and rough mechanical work, per the county's official Required Inspections page.

  3. 3

    Insulation / Pre-Cover Notifications

    Insulation inspection; notify the building inspector before laying brick, installing siding, or applying other exterior finishes; notify before applying roofing; notify when work starts on any fireplace or chimney.

  4. 4

    Rough Drywall / Utility Lines

    Inspection of rough drywall before taping/mudding; inspection of water line, sewer line, and gas line before backfilling.

  5. 5

    Masonry / Bond Beam

    4-foot masonry wall inspection, bond beam inspection, and general masonry inspection where applicable.

  6. 6

    Final

    Final inspection — all work complete, per the county's official Required Inspections page.

See the full Unincorporated Sevier County inspection guide — scheduling & re-inspection fees →

Tips

  • Sevier County's official Building Permit page states verbatim: 'No building shall be erected, constructed, enlarged, altered, repaired, moved, improved, converted, or demolished unless a permit for each project has been obtained...Failure to obtain the necessary permit prior to beginning work will result in an investigation fee being added to the cost of the permit fee...(double fee).'
  • Apply for building permits in unincorporated Sevier County online at utah.cityinspect.com — the same CityInspect portal used by other Utah jurisdictions, including Richfield City.
  • New residential construction in the unincorporated county requires the 'Unincorporated Area Signature Sheet' (dated Feb 2026) with sign-offs from Planning/Zoning/Flood ((435) 893-0420), the Road Department (Brodie Bagley/Wesley Bywater, (435) 896-4831) for road encroachment and addressing, the Utah State Division of Water Rights ((435) 896-2557, requiring a copy of the 'Order of State Engineer' as proof of water), Central Utah Health Department ((435) 896-5451) for septic, the applicable power utility, and the applicable gas utility (or write 'PROPANE' if not using Enbridge).
  • No dedicated residential building-permit fee amount or valuation-based fee table could be independently verified as of 2026-07-08: the only 'Fee Schedule.pdf' publicly linked from the county's Planning and Zoning page is Appendix C of the Land Use ordinance, covering zoning/land-use fees (Board of Adjustment appeal, conditional use permit, PUD, subdivision, temporary use, zoning change, etc.) — it contains no building-permit valuation fee table. County Commission Resolution 2025-3-1 ('Updating the County Fee Schedule,' adopted 3/24/2025) is referenced in the March 24, 2025 Commission Minutes but its exhibit/attachment with itemized fee amounts was not independently locatable on the county's website or in Utah's public notice archive. The 2025 Adopted County Budget shows aggregate 'Building Permits' revenue (~$550,000 budgeted) but no itemized per-permit-type fee schedule. Fees field is intentionally left empty rather than fabricated — contact the Building Department at (435) 893-0420 for current fee amounts.
  • No building-permit fee schedule for Sevier County is published anywhere online: (a) the utah.cityinspect.com portal used for all Sevier County building-permit applications gates every page behind account login — no public fee-schedule page exists on it; (b) the sevier.utah.gov domain and its 'Building - Planning - Zoning' section carry no building-permit fee PDF beyond the zoning-only Fee Schedule.pdf; (c) the county's own posted agenda packet for the March 24, 2025 Commission meeting (cms3.revize.com/revize/seviercounty/agendas%20and%20minutes/2025/Commission/250324cm.agnda.pdf) lists 'Consider Resolution updating County Fee Schedule' as a 5-minute agenda item with no exhibit attached; (d) Fee Schedule.pdf (a scanned, non-OCR'd image) contains only Appendix C zoning/land-use line items, no building-permit figures; (e) Sevier County Code Chapter 35 (Fee Schedules), §§ 35.01-35.04, confirms by the code's own design that department fee schedules ('reasonable fees for items or services,' § 35.01) are approved by County Commission resolution and required to be 'posted and available for public viewing' (§ 35.02(B)) SEPARATELY from the codified ordinance text — its Editor's Note states verbatim 'The fees will be published separately' — meaning no dollar fee table was ever expected to appear in Chapter 150 itself, but the separately-published Building Department fee schedule remains unlocated online. A legacy county domain, sevierutah.net, once hosted a 'Commercial & Residential Project Requirements' page (archived 2019-2020 only, pre-dating the county's 2022 code re-adoption) but is no longer publicly accessible; its stale archived content is not relied on here.
  • Permits are also required for projects on scattered parcels — see Sevier County Code § 150.22 (Requirements for Obtaining Building Permits on Scattered Parcels).
  • Rooftop solar PV installations fall under this same Residential Building Permit (structural) plus a standard electrical permit (wiring/inverter) — Sevier County's official Building/Planning/Zoning webpages, live-checked 2026-07-19, publish no distinct solar-specific fee schedule or permit type, consistent with the county's broader gap in published building-permit dollar amounts documented above; contact the Building Department at (435) 893-0420 for a project-specific quote.
  • EV charger (EVSE) installation is treated as standard electrical work under this same permit — Sevier County's official 'Obtaining a Building Permit' page and Building/Planning/Zoning webpages list no distinct EV-charger or electric-vehicle-charging permit type, fee, or process anywhere on the county's site; a Level 2 charger circuit falls under the 'electrical...alteration' work already covered by this Residential Building Permit. Contact the Building Department at (435) 893-0420 to confirm project-specific requirements.
  • NEW 2026-07-23 (live-confirmed via full-text browser render of codelibrary.amlegal.com, which JS-renders section body text not returned to plain fetch tools): Sevier County Code § 150.20(A) defines a regulated 'BUILDING' as any structure exceeding 120 square feet built in the unincorporated county — smaller structures (e.g., small sheds) fall outside this permit requirement entirely. Section 150.20(C) also states verbatim: 'If the building is for a legitimate agricultural use, as determined by the Building Official, there will be no charge for the permit' — a confirmed, sourced fee exemption for agricultural buildings, distinct from the general fee-amount gap documented above for non-agricultural construction.
  • Sevier County Code § 150.21 separately regulates enclosed storage containers larger than 120 square feet as ordinary buildings — a building permit must be obtained from the County Building Department before placing or moving such a container onto a property, the exterior must be painted/altered to cover any advertising or lettering, and a temporary-use exemption (not exceeding 90 days) can be obtained from the Building Department.

Frequently asked questions

New residential construction in unincorporated Sevier County requires the 'Unincorporated Area Signature Sheet,' which must be signed off by County Planning/Zoning/Flood, the Road Department, the Utah State Division of Water Rights (proof of water via Order of the State Engineer), the Central Utah Health Department (septic), the applicable power utility, and the applicable gas utility, before final building-permit approval.

Sevier County has not published its own plan-review timeline for building permits. Under Utah Code § 17-36-55(3)(a), which binds all Utah counties, plan review of a construction project for a one- or two-family dwelling or townhome must be completed within 14 business days after the applicant submits a complete building permit application.

You'll need: Building Permit Application (CityInspect online portal); Unincorporated Area Signature Sheet; Building Plans; Site Plan Form; Municipality/Unincorporated Zoning Approval. Depending on your project, Unincorporated Sevier County may also ask for: Owner/Builder Form. See the required-documents checklist on this page for details on each.

Unincorporated Sevier County requires 6 inspection(s) for a residential building permit, in order: Footing/Foundation Reinforcement, Under-Slab / Rough Plumbing, Electrical, Mechanical, Insulation / Pre-Cover Notifications, Rough Drywall / Utility Lines, Masonry / Bond Beam, Final. Schedule each through Sevier County Building, Planning and Zoning Department ((435) 893-0420).

Apply through Sevier County Building, Planning and Zoning Department at 250 North Main Street, Suite 131, P.O. Box 517, Richfield, UT 84701. Phone: (435) 893-0420. Office hours: Mon–Fri 8:00 AM – 5:00 PM (lunch 12:00–1:00 PM, per the county's official 'Applying for a Building Permit' cheat sheet). Official information: https://www.sevier.utah.gov/departments/county_departments/building___planning___zoning/obtaining_a_building_permit.php.

Unincorporated Sevier County, Utah has adopted: 2024 International Building Code (IBC) — Utah Code § 15A-2-103(1)(a); the statewide 2024-cycle code update took effect July 1, 2026, superseding the 2021 IBC previously in force.; 2021 International Residential Code (IRC) — Utah Code § 15A-2-103(1)(b); the IRC remains the 2021 edition, unchanged by the July 1, 2026 statewide update cycle.; 2024 International Plumbing Code (IPC) — Utah Code § 15A-2-103(1)(d); effective since July 1, 2026, superseding the 2021 IPC.; 2024 International Mechanical Code (IMC) — Utah Code § 15A-2-103(1)(e); effective since July 1, 2026, superseding the 2021 IMC.; 2024 International Existing Building Code (IEBC) — Utah Code § 15A-2-103(1)(i); effective since July 1, 2026, superseding the 2021 IEBC.; 2024 International Energy Conservation Code (IECC) with Utah amendments — Utah Code § 15A-2-103(1)(h); effective since July 1, 2026, superseding the 2021 IECC. The statute adopts a single IECC edition with no residential/commercial split.; 2023 National Electrical Code (NEC) — current statewide electrical code, unchanged in the July 1, 2026 statewide update.; 2024 International Fuel Gas Code (IFGC) — Utah Code § 15A-2-103(1)(f), effective since July 1, 2026.; 2024 residential provisions of the International Swimming Pool and Spa Code (ISPSC) — Utah Code § 15A-2-103(1)(n), effective since July 1, 2026.; Sevier County Code Chapter 150 (Buildings and Construction), §§ 150.01–150.47 — the local building-permit administration ordinance, hosted on the county's official code-hosting site (codelibrary.amlegal.com/codes/seviercountyut), whose published table of contents lists sections 150.01–150.08, 150.20–150.22, and 150.35–150.47. Section 150.20 (Building Permit Required for All Buildings) and its penalty language ('investigation fee...same as the permit fee...double fee') are independently confirmed via the county's own official 'Obtaining a Building Permit' webpage, which quotes this requirement directly.; NOTE (added 2026-07-16): The July 1, 2026 statewide code-edition transition (2024 IBC/IPC/IMC/IFGC/IECC/IEBC/ISPSC replacing 2021 editions) took effect 15 days ago per Utah Code § 15A-2-103 (version effective 7/1/2026, superseded 1/1/2027; next version's editions confirmed identical). 2021 IRC and 2023 NEC are unchanged by this transition. Live-checked the Sevier County 'Obtaining a Building Permit' page today — it cites no code edition years at all, so no page-lag discrepancy to flag there. The International Fire Code is NOT adopted by § 15A-2-103 (it lives in Title 15A Chapter 5) and is not referenced elsewhere in this record.. Local amendments apply — see the Unincorporated Sevier County overview page for the full list.

No dedicated fee schedule with building-permit dollar amounts is published on the county's website. The county's only public 'Fee Schedule.pdf' covers zoning/land-use fees, not building-permit valuation fees. Contact the Sevier County Building Department at (435) 893-0420 for current fee amounts before applying.

Per the county's official Building Permit page, failure to obtain the necessary permit prior to beginning work results in an investigation fee equal to the permit fee, in addition to the permit fee itself — effectively doubling the cost.

Sources & verification

Key facts verified against official sources. Last reviewed 2026-07-08.

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 Sevier County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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