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Residential Solar Photovoltaic (PV) System Permit in Unincorporated Box Elder County, Utah

Required for residential rooftop or ground-mounted solar PV system installation in unincorporated Box Elder County.

Verified 2026-07-03 · Source

When you need this permit

  • Detailed site plan showing home location, electrical meter panel, backfed sub-panelboards, and all PV system components
  • Mounting system details including weight of all components and support spacing based on local wind/snow loads
  • One-line electrical diagram showing system type, module layout/connections, wire types/sizes, conduit, grounding, and component ratings
  • Modules must be listed UL 1703; utility-tied inverters must be listed 'utility interactive' meeting UL 1741 with ground fault protection

Required documents

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Fee schedule

Solar InspectionBox Elder County 2026 Fee Schedule for Buildings & Grounds
$500.00
Building Permit Fee (base)Box Elder County 2026 Fee Schedule for Buildings & Grounds — solar installations are also subject to the base building permit fee plus the $500 solar inspection fee
State ICC Fee Structure (valuation-based; no flat dollar table published)
State SurchargeBox Elder County 2026 Fee Schedule for Buildings & Grounds
1% of Building Permit Fee

Review timeline

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

How long did your Residential Solar Photovoltaic (PV) System 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

    Rough Electrical

    Conduit runs, wire sizing, and disconnect placement before energizing, per NEC requirements.

  2. 2

    Solar Inspection / Final

    Panel mounting, racking attachment, roof penetration sealing, electrical connections, and grounding/bonding verified.

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

Tips

  • The county's Residential Solar PV System Plan Submittal Checklist explicitly states it is 'only a basic list' and having all items does not guarantee a permit will be issued — additional information may be requested at any time.
  • Provide photos of the service panel interior label and any sub-panel labels that will be backfed — the checklist calls this out specifically.
  • Modules must be UL 1703 listed; utility-interactive inverters must be UL 1741 listed with ground fault protection.
  • The Solar Inspection fee ($500) is separate from and in addition to the base building permit fee.

Frequently asked questions

Unincorporated Box Elder County requires a residential solar photovoltaic (pv) system permit for: Detailed site plan showing home location, electrical meter panel, backfed sub-panelboards, and all PV system components; Mounting system details including weight of all components and support spacing based on local wind/snow loads; One-line electrical diagram showing system type, module layout/connections, wire types/sizes, conduit, grounding, and component ratings; Modules must be listed UL 1703; utility-tied inverters must be listed 'utility interactive' meeting UL 1741 with ground fault protection. If your project isn't listed, confirm with Box Elder County Building Permits / Inspection at (435) 734-2634 before starting work.

The Solar Inspection fee is $500 per the Box Elder County 2026 Fee Schedule for Buildings & Grounds, in addition to the base building permit fee (State ICC fee structure, valuation-based) and 1% state surcharge.

Unincorporated Box Elder County's published plan-review target for a residential solar photovoltaic (pv) system permit is 7–10 business days.

You'll need: Residential Solar PV System Plan Submittal Checklist items. See the required-documents checklist on this page for details on each.

Unincorporated Box Elder County requires 2 inspection(s) for a residential solar photovoltaic (pv) system permit, in order: Rough Electrical, Solar Inspection / Final. 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.

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