Unincorporated Iron County building permits

Requirements

• New single-family dwelling construction
• Structural engineered plans required for all dwellings, per the Building & Zoning FAQ
• Soil/geotechnical testing required for any new dwelling
• Utah Prairie Dog Clearance form required (per the county's Forms index)
• Geotechnical Form — Footing Foundation and Geotechnical Form — Backfill Final Grade, both required as distinct submittals per the county's Forms index

Required documents

• RequiredBuilding Permit ApplicationIron County's own application form, per ironcountyut.gov/building/forms.
• RequiredPrairie Dog ClearanceUtah Division of Wildlife Resources / U.S. Fish and Wildlife Service clearance form, per the county's Forms index.
• RequiredGeotechnical Form — Footing FoundationPer the county's Forms index; distinct from the Backfill Final Grade geotechnical form.
• RequiredGeotechnical Form — Backfill Final GradePer the county's Forms index; a second, separate geotechnical sign-off stage from Footing Foundation.
• OptionalOwner Builder FormIf the property owner is acting as their own general contractor, per the county's Forms index.
• OptionalPlan Review WaiverAvailable per the county's Forms index; applicability criteria not published — contact the Building Department.
• OptionalA-20 AcknowledgmentListed on the county's Forms index; specific content/applicability not detailed on the forms page itself — contact the Building Department for context.

Fee schedule

Requirements

• Electrical service upgrade or new meter base installation
• Compliance with the 2023 National Electrical Code (NEC) per Utah Code § 15A-2-103(1)(g)

Required documents

• RequiredBuilding Permit ApplicationIron County's own application form covers electrical work, per ironcountyut.gov/building/forms.

Fee schedule

Requirements

• Furnace installation or replacement
• Gas line or gas meter installation
• Gas Sizing Installation form required, per the county's Forms index

Required documents

• RequiredGas Sizing InstallationDistinct downloadable form listed on the county's Forms index (ironcountyut.gov/building/forms/gas-sizing-installation).

Fee schedule

Requirements

• Water heater installation or replacement
• Other plumbing work per the adopted 2024 IPC, current since 7/1/2026 (2021 edition governed through June 30, 2026)

Required documents

• RequiredBuilding Permit ApplicationIron County's own application form covers plumbing work, per ironcountyut.gov/building/forms.

Fee schedule

Requirements

• Residential rooftop solar PV installation
• Compliance with the 2023 NEC (rapid shutdown and bonding requirements) per Utah Code § 15A-2-103(1)(g)

Required documents

• RequiredBuilding Permit ApplicationIron County's own application form covers solar installations, per ironcountyut.gov/building/forms.

Fee schedule

Requirements

• In-ground or above-ground swimming pool construction
• Compliance with the adopted 2024 ISPSC residential provisions (Utah Code § 15A-2-103(1)(n)), current since 7/1/2026 (2021 edition governed through June 30, 2026)

Required documents

• RequiredBuilding Permit ApplicationIron County's own application form covers pool construction, per ironcountyut.gov/building/forms.

Fee schedule

Requirements

• Remodel or basement finish work
• Building permit required per the Building & Zoning FAQ ('A building permit is required for any structural, electrical, plumbing or mechanical work'; basement finishing is explicitly called out as requiring a permit)

Required documents

• RequiredBuilding Permit ApplicationIron County's own application form, per ironcountyut.gov/building/forms.

Fee schedule

Requirements

• New commercial construction, classified by IBC occupancy group for valuation purposes
• Structural engineered plans required for all commercial projects, per the Building & Zoning FAQ ('commercial projects require architectural, structural, plumbing, mechanical, and electrical plans')
• Utah Prairie Dog Clearance form required (per the county's Forms index)
• Geotechnical Form — Footing Foundation and Geotechnical Form — Backfill Final Grade, both required as distinct submittals

Required documents

• RequiredBuilding Permit ApplicationIron County's own application form, per ironcountyut.gov/building/forms.
• RequiredArchitectural, Structural, Plumbing, Mechanical, and Electrical PlansPer the Iron County Building & Zoning FAQ: 'commercial projects require architectural, structural, plumbing, mechanical, and electrical plans.'
• RequiredPrairie Dog ClearanceUtah Division of Wildlife Resources / U.S. Fish and Wildlife Service clearance form.
• RequiredGeotechnical Form — Footing FoundationPer the county's Forms index; distinct from the Backfill Final Grade geotechnical form.
• RequiredGeotechnical Form — Backfill Final GradePer the county's Forms index; a second, separate geotechnical sign-off stage.

Fee schedule

Requirements

• Tenant improvement or remodel work within an existing commercial building
• Architectural, structural, plumbing, mechanical, and electrical plans as applicable to the scope of work

Required documents

• RequiredBuilding Permit ApplicationIron County's own application form, per ironcountyut.gov/building/forms.
• RequiredPlans for Affected ScopeArchitectural, structural, plumbing, mechanical, and/or electrical plans covering the tenant improvement's scope of work.

Fee schedule

Requirements

• Sign permit required to control and regulate the size, location, and type of sign per Iron County Code § 17.52.010
• Identification signs in Agriculture/Residential districts (e.g., dwelling occupant/profession/address signs): max 10 sq ft, not illuminated, one per dwelling — § 17.52.020(A)
• No other signs permitted in Agriculture/Residential zones except necessary warning/public-information signs or signs identifying churches, schools, public utility buildings, or publicly owned/operated properties — § 17.52.020(A)(2)
• Identification signs in Commercial/Industrial districts: max 1 sq ft per linear foot of street frontage (minimum 50 sq ft, maximum 200 sq ft per sign, same aggregate cap if multiple signs); may be illuminated with the light source not visible, no flashing/intermittent illumination; wall-mounted, projecting no more than 1 foot, not above the roofline; one sign per separate establishment — § 17.52.020(B)
• Permanent directional signs: max 12 sq ft, may be double-faced and illuminated (source not visible), wall placement no higher than 8 ft, freestanding height max 12 ft, no advertising copy — § 17.52.020(C)
• Temporary directional signs: max 12 sq ft, not illuminated, wall placement no higher than 8 ft / freestanding max 12 ft, must be removed within 10 days after the sign's purpose is fulfilled — § 17.52.020(D)
• Temporary for-sale/lease/hire/rental signs: max 100 sq ft, not illuminated, wall placement no higher than 24 ft (not above roofline) / freestanding max 24 ft, one per property, removed within 10 days after purpose fulfilled — § 17.52.020(E)
• Temporary freestanding subdivision/development signs: max 400 sq ft per sign (800 sq ft aggregate if more than one), not illuminated, max height 24 ft, up to 4 per property, removed within 10 days after purpose fulfilled — § 17.52.020(F)
• Temporary contractor/subcontractor/developer identification signs: max 200 sq ft, not illuminated, wall placement no higher than 24 ft / freestanding max 24 ft, no advertising copy, one per property, removed once the identified work is complete — § 17.52.020(G)
• Off-premises advertising (billboard-type) signs: max 700 sq ft including cutouts/projections/skirts, may be illuminated indirectly only, wall placement not above roofline / freestanding max 35 ft, minimum 500 ft spacing from another off-premises sign on an interstate (300 ft on other roads), must comply with the Utah Outdoor Advertising Act, permitted only on already-developed commercial/industrial sites, and requires Board of County Commissioners approval on Planning Commission recommendation — § 17.52.020(H)

Required documents

• RequiredSign Permit Application"Application for a sign permit" is an officially enumerated Title 17 application form per Iron County Code § 17.32.030(N), submitted to Iron County Building & Zoning. No downloadable sign-permit-specific PDF was found on the county's Building Department Forms page (ironcountyut.gov/building/forms, checked 2026-07-20, which lists ALUP, CUP, building-packet, and other forms but no sign-specific form) — request the form directly from the department.

Fee schedule

Requirements

• Installation of a Level 2 or DC fast EV charger (EVSE) at a residential or commercial property
• New dedicated electrical circuit and/or panel capacity to serve the charger, covered under the general Electrical Permit category
• Compliance with the 2023 National Electrical Code (NEC) per Utah Code § 15A-2-103(1)(g)

Required documents

• RequiredBuilding Permit ApplicationIron County's own application form covers electrical work, per ironcountyut.gov/building/forms.

Fee schedule

Requirements

• Fire sprinkler and/or fire alarm system installation or modification in a new or existing building
• Iron County's own Fire department does not collect a plan-review or permit fee, per the county's Fee Schedule 'For Reference Only' section
• Fallback path: submit plans to the Utah State Fire Marshal's Office for statewide plan review using the Fire Alarm Plan Review Submittal Form and/or Automatic Fire Sprinkler Plan Submittal Form — jurisdictional scope over private commercial projects specifically within unincorporated Iron County is not independently confirmed
• Coordinate with Iron County Building & Zoning, (435) 865-5350, and Iron County Fire Warden Spencer Rollo, (435) 590-4714, to confirm whether fire-suppression plan review is folded into this jurisdiction's Commercial Building Permit review or must be routed separately to the State Fire Marshal

Required documents

• OptionalFire Alarm Plan Review Submittal FormUtah State Fire Marshal's Office form (planreviews@utah.gov, (801) 256-2390); required for fire alarm system plan review submittal, billed at $0.022/sq ft, $75 minimum.
• OptionalAutomatic Fire Sprinkler Plan Submittal FormUtah State Fire Marshal's Office form; required for automatic fire sprinkler system plan review submittal, billed at $0.022/sq ft, $75 minimum.
• OptionalBuilding Permit ApplicationIron County's own application form; recommended for coordination with this jurisdiction's Commercial Building Permit plan review, per ironcountyut.gov/building/forms.

Fee schedule

Requirements

• A distinct 'change of use' regulatory action applies only to an existing nonconforming use changing to a use allowed in its zoning district, per Iron County Code § 17.68.080(A)
• That transition must follow 'the use permitting procedures as identified in this title' — i.e., the same Title 17 permitting track (Administrative Land Use Permit or Conditional Use Permit) that would apply to the new use generally, not a separate change-of-use application
• A use or occupancy classification change inside an existing building without new construction is expected to be reviewed under the adopted 2024 IEBC as part of this jurisdiction's Commercial Building Permit plan review

Required documents

• RequiredAdministrative Land Use Permit or Conditional Use Permit ApplicationWhichever Title 17 permitting track applies to the new/proposed use — Iron County's Forms index and Fee Schedule publish these as distinct application types, not a dedicated 'change of use' form.
• OptionalBuilding Permit ApplicationRequired only if the use change is accompanied by construction or build-out affecting occupancy classification, per ironcountyut.gov/building/forms.

Fee schedule