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Residential Building Permit in Unincorporated Box Elder County, Utah

Required for new single-family home construction and additions in unincorporated Box Elder County. The county uses the State ICC valuation-based fee structure rather than a published flat fee table.

Verified 2026-07-03 · Source

When you need this permit

  • New single-family dwelling construction
  • Additions and structural alterations
  • Site plan with zoning approval — orientation of site plan must match orientation of building plans
  • Engineering package and stamped structural pages where applicable

Required documents

Check off what you have — your progress is saved on this device.

Not ready yet0 of 2 required documents checked.

This checker covers one permit. A full project usually triggers several — our paid checklist will assemble all of them, from $29

Fee schedule

Building Permit FeeBox Elder County 2026 Fee Schedule for Buildings & Grounds — the county states it adopts the 'State ICC Fee Structure' rather than publishing its own valuation table. Contact the Building Official for the specific fee on a given project valuation.
State ICC Fee Structure (valuation-based; no flat dollar table published)
Plan Review Fee — DwellingsBox Elder County 2026 Fee Schedule for Buildings & Grounds
50% of Building Permit Fee
Plan Review Fee — CommercialBox Elder County 2026 Fee Schedule for Buildings & Grounds
65% of Building Permit Fee
Plan Review Fee — MiscellaneousBox Elder County 2026 Fee Schedule for Buildings & Grounds
50% of Building Permit Fee
Plan Review Deposit — DwellingsBox Elder County 2026 Fee Schedule for Buildings & Grounds
$1,700.00
Plan Review Deposit — CommercialBox Elder County 2026 Fee Schedule for Buildings & Grounds
$2,500.00
State SurchargeBox Elder County 2026 Fee Schedule for Buildings & Grounds
1% of Building Permit Fee
Hourly Rate Beyond 50-Mile Radius (inspection travel)Box Elder County 2026 Fee Schedule for Buildings & Grounds
$100.00 per hour
Hourly Rate Over 1 Hour Travel Time (plan review)Box Elder County 2026 Fee Schedule for Buildings & Grounds
$100.00 per hour
Credit/Debit Card Processing FeeBox Elder County 2026 Fee Schedule for Buildings & Grounds — General Administrative Fees section
2.50% or $1.50, whichever is greater, per transaction (except Xpress Bill Pay)

Review timeline

Plan reviewUnincorporated Box Elder County’s published plan-review target
7–10 business days

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

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

Inspection process

  1. 1

    Footing

    After trenches/holes excavated and forms/reinforcement in place, before concrete pour. UFER ground must be in place. Soil reports may be required.

  2. 2

    Foundation

    When reinforcement, forms, and all hold-downs/bolts are placed and ready, prior to pouring concrete.

  3. 3

    Foundation Insulation

    When required interior or exterior insulation is placed for slab-on-grade portions; energy compliance documents must be on site.

  4. 4

    Sub-Rough Plumbing / Sub-Rough Mechanical / Sub-Rough Electrical

    Under-slab plumbing, ductwork/radiant tubing, and raceway/conduit installed and placed under required test before slab pour.

  5. 5

    Rough 4-Way

    After electrical, mechanical, and plumbing roughs, roof and framing (including fire blocking/bracing), and windows/doors installed. All piping systems under required test.

  6. 6

    Insulation

    After Rough inspections approved and required wall/floor insulation completed per energy compliance documents.

  7. 7

    Temporary Power

    After pedestal or pole placed per Rocky Mountain Power requirements.

  8. 8

    Power to Panel (Meter Set)

    Rough completed, receptacles/outlets and covers installed, panel complete with feeders/breakers for circuits to be energized.

  9. 9

    Final 4-Way

    All permanent roofing, siding, veneers, exterior doors/windows, decks/guardrails, interior finishes, stairs (with guardrails/handrails), smoke/CO detectors, mechanical/electrical/plumbing fixtures, and finish grade/drainage complete.

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

Tips

  • Box Elder County adopts the 'State ICC Fee Structure' for building permit fees rather than publishing a flat valuation table — the exact dollar fee is not published online; confirm with the Building Official (435-734-3303 / cillum@boxeldercountyut.gov) for a specific project valuation.
  • Standard processing time for all permits is 7 to 10 business days once the office receives all required documents, per the county's own Building Permits/Inspection page.
  • 24-hour advance notice is required for all inspections — schedule with Diane or Jessie at (435) 734-2634, dfuhriman@boxeldercountyut.gov, or jfernelius@boxeldercountyut.gov.
  • Design Criteria handout lists 43 PSF ground snow load, 90 mph 3-second gust wind speed, Seismic Design Category D (typical), and 30-inch frost depth — use these for prescriptive design in the absence of a site-specific report.
  • A Fire Flow (water availability) report may be required by the Fire Marshal before a permit is issued.

Frequently asked questions

Unincorporated Box Elder County requires a residential building permit for: New single-family dwelling construction; Additions and structural alterations; Site plan with zoning approval — orientation of site plan must match orientation of building plans; Engineering package and stamped structural pages where applicable. If your project isn't listed, confirm with Box Elder County Building Permits / Inspection at (435) 734-2634 before starting work.

Box Elder County adopts the State ICC (International Code Council) valuation-based fee structure rather than publishing its own flat fee table, per the county's 2026 Fee Schedule for Buildings & Grounds. Plan review is 50% of the building permit fee for dwellings (deposit $1,700), plus a 1% state surcharge. Contact the Building Official to get an exact quote for your project's valuation.

The county's own Building Permits/Inspection page states the standard processing time for all permits is 7 to 10 business days once all required documents are received.

You'll need: Building Permit Application; Required Documents for New Homes (per 'Residential Building Permit Submittal Required Documents' PDF). Depending on your project, Unincorporated Box Elder County may also ask for: Owner-Builder Form. See the required-documents checklist on this page for details on each.

Unincorporated Box Elder County requires 9 inspection(s) for a residential building permit, in order: Footing, Foundation, Foundation Insulation, Sub-Rough Plumbing / Sub-Rough Mechanical / Sub-Rough Electrical, Rough 4-Way, Insulation, Temporary Power, Power to Panel (Meter Set), Final 4-Way. Schedule each through Box Elder County Building Permits / Inspection ((435) 734-2634).

Apply through Box Elder County Building Permits / Inspection at 1 S Main Street, Room 19, Brigham City, UT 84302. Phone: (435) 734-2634, email: cillum@boxeldercountyut.gov. Office hours: Monday through Friday, 8:00 AM to 5:00 PM (per Box Elder County Building Permits/Inspection page). Official information: https://www.boxeldercountyut.gov/195/Building-Permits-Inspection.

Unincorporated Box Elder County, Utah has adopted: 2024 International Building Code (IBC), including Appendices C and J — governs per Utah Code §15A-2-103(1)(a) (https://le.utah.gov/xcode/Title15A/Chapter2/15A-2-S103.html), in force statewide since 7/1/2026 and binding on counties under §15A-1-204. Box Elder County's own '2021 Adopted Code' document (DocumentCenter/View/173) still lists the 2021 IBC with Appendix J only (no Appendix C) — live-checked 2026-07-16, the county's own document has not been updated to the current statewide edition.; 2021 International Residential Code (IRC), including Appendix AQ — governs per Utah Code §15A-2-103(1)(b)/(c); this edition is UNCHANGED from the prior code cycle. Box Elder County's own document lists the 2021 IRC (without a distinct Appendix AQ citation) — live-checked 2026-07-16, consistent with the current statute on the base edition.; 2024 International Plumbing Code (IPC) — governs per Utah Code §15A-2-103(1)(d). Box Elder County's own document still lists the 2021 IPC — live-checked 2026-07-16, lags the current statewide edition.; 2024 International Mechanical Code (IMC) — governs per Utah Code §15A-2-103(1)(e). Box Elder County's own document still lists the 2021 IMC — live-checked 2026-07-16, lags the current statewide edition.; 2024 International Fuel Gas Code (IFGC) — governs per Utah Code §15A-2-103(1)(f). Box Elder County's own document still lists the 2021 IFGC — live-checked 2026-07-16, lags the current statewide edition.; 2023 National Electrical Code (NEC) — governs per Utah Code §15A-2-103(1)(g); this edition is UNCHANGED from the prior code cycle. Box Elder County's own '2021 Adopted Code' document lists the 2017 NEC — live-checked 2026-07-16, a genuine and long-standing discrepancy in the county's own published document (not a transcription error); confirm the currently enforced edition directly with the Chief Building Official, Codey Illum, at (435) 734-3303 before relying on this for a live electrical project.; 2024 International Energy Conservation Code (IECC) — one code, no residential/commercial split, per Utah Code §15A-2-103(1)(h). Box Elder County's own document lists the 2021 IECC (also undifferentiated by residential/commercial) — live-checked 2026-07-16, lags the current statewide edition.; 2024 International Existing Building Code (IEBC), subject to Utah Code §15A-2-104(2) (the HUD Code) — governs per Utah Code §15A-2-103(1)(i)/(j). Box Elder County's own document lists the 2021 IEBC — live-checked 2026-07-16, lags the current statewide edition.; Residential provisions of the 2024 International Swimming Pool and Spa Code (ISPSC) — governs statewide per Utah Code §15A-2-103(1)(n). Box Elder County's own '2021 Adopted Code' document does not list any ISPSC edition — live-checked 2026-07-16; added here per the statute, not omitted.; Modular Building Institute (MBI) Standards 1200 and 1205 — governs statewide per Utah Code §15A-2-103(1)(o). Not separately listed in Box Elder County's own '2021 Adopted Code' document — live-checked 2026-07-16.. Local amendments apply — see the Unincorporated Box Elder County overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-03.

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