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Solar PV / Solar Energy System Permit in Unincorporated Tooele County, Utah

Tooele County does not publish a distinct rooftop/on-site solar PV permit type or fee line item. A residential or commercial solar PV installation is treated as standard structural (roof-mount attachment) and electrical (wiring, inverter, interconnection) work under the same combined Building Permit Application and General Instructions form used for all other permit types — the county's official adopted Fee Schedule (effective 5-19-26) computes Building Permit fees via the Uniform Building Code valuation mechanism with no separate solar, solar PV, or photovoltaic line item anywhere in the 21-page document (confirmed by a page-by-page read of the full PDF, 2026-07-21); the combined Building/Electrical/HVAC/Plumbing application form likewise lists no distinct solar-specific category. Large, utility-scale 'Solar Energy Systems' feeding off-site users are instead a land-use/zoning matter under the county's Land Use Ordinance (a required siting buffer from Residential District boundaries), which is a separate process from this building-permit entry and is not addressed here.

Verified 2026-07-21 · Source

When you need this permit

  • Installation of a roof-mounted or ground-mounted (accessory, on-site) solar PV system at a residential or commercial property in unincorporated Tooele County — falls under the structural and electrical scope of the county's combined Building Permit Application
  • Complete and submit all supporting documents at time of submittal — incomplete applications are not accepted
  • One complete set of construction/installation plans, including structural attachment details and electrical wiring/interconnection diagram
  • Utility approval form (electric — Rocky Mountain Power or the applicable local utility) for interconnection/net-metering, since the installation adds new electrical service or generation
  • Compliance with the 2023 NEC, governing per Utah Code §15A-2-103(1)(g), and the statewide-adopted 2024 IBC/2021 IRC structural provisions for roof or ground-mount attachment
  • Utility-scale, off-site-serving 'Solar Energy System' facilities are a separate Conditional Use matter under the county's Land Use Ordinance, subject to a siting buffer from Residential District boundaries — out of scope for this building-permit entry, which covers on-site residential/commercial rooftop or accessory PV only

Required documents

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Fee schedule

Building Permit FeeTooele County adopted Fee Schedule (effective 5-19-26), Building Permit Fees section: fee determined from the annual ICC Building Valuation Data publication adjusted by Utah's regional modifier, per Uniform Building Code fee-calculation provisions. No solar, solar PV, or photovoltaic line item exists anywhere in the Fee Schedule (confirmed by a page-by-page read of the full 21-page PDF, 2026-07-21), so this general mechanism governs solar PV installation.
Valuation-based, per Uniform Building Code fee-calculation provisions
State SurchargeTooele County adopted Fee Schedule (effective 5-19-26); Tooele County remits 80% of the surcharge collected to DOPL.
1% of the building permit fee

Review timeline

Plan review
Not published — contact the department

How long did your Solar PV / Solar Energy System Permit permit actually take in Unincorporated Tooele County?

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

Inspection process

  1. 1

    Structural / Roof Attachment

    Verifies roof or ground-mount attachment against submitted structural plans; not separately published by the county for solar, follows the standard building inspection sequence.

  2. 2

    Electrical

    Verifies wiring, inverter, and utility interconnection against the 2023 NEC; not separately published for solar PV by the county, follows the standard electrical inspection sequence documented for this jurisdiction's residential-building-permit entry.

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

Tips

  • Tooele County treats solar PV installation as ordinary structural and electrical work under the same combined Building/Electrical/HVAC/Plumbing application form used for all other permit types — there is no dedicated solar or photovoltaic permit type, application, or fee category, the same pattern already documented for this jurisdiction's EV-charger-permit entry.
  • The Building Permit Fee is valuation-based (Uniform Building Code provisions via the annual ICC Building Valuation Data publication) — contact Building Inspection at (435) 843-4737 or building@tooeleco.gov for a project-specific estimate.
  • A utility interconnection/net-metering approval form is required from the serving electric utility (e.g., Rocky Mountain Power) since a solar PV system adds new electrical generation/service.
  • Large, utility-scale 'Solar Energy System' facilities that feed off-site users are regulated separately under the county's Land Use Ordinance as a Conditional Use, with a required siting buffer from Residential District boundaries — this is a distinct zoning process from the on-site residential/commercial rooftop or accessory PV installations covered by this entry; confirm with Building & Zoning, (435) 843-3160, which process applies to a given project.

Frequently asked questions

Unincorporated Tooele County requires a solar pv / solar energy system permit for: Installation of a roof-mounted or ground-mounted (accessory, on-site) solar PV system at a residential or commercial property in unincorporated Tooele County — falls under the structural and electrical scope of the county's combined Building Permit Application; Complete and submit all supporting documents at time of submittal — incomplete applications are not accepted; One complete set of construction/installation plans, including structural attachment details and electrical wiring/interconnection diagram; Utility approval form (electric — Rocky Mountain Power or the applicable local utility) for interconnection/net-metering, since the installation adds new electrical service or generation; Compliance with the 2023 NEC, governing per Utah Code §15A-2-103(1)(g), and the statewide-adopted 2024 IBC/2021 IRC structural provisions for roof or ground-mount attachment; Utility-scale, off-site-serving 'Solar Energy System' facilities are a separate Conditional Use matter under the county's Land Use Ordinance, subject to a siting buffer from Residential District boundaries — out of scope for this building-permit entry, which covers on-site residential/commercial rooftop or accessory PV only. If your project isn't listed, confirm with Tooele County Development Department — Building Inspection and Code Compliance at (435) 843-4737 before starting work.

The general Building Permit Fee applies: valuation-based per Uniform Building Code fee-calculation provisions (annual ICC Building Valuation Data, adjusted by Utah's regional modifier), plus a 1% state surcharge. There is no distinct solar-specific fee tier. Contact Building Inspection at (435) 843-4737 for a project-specific estimate.

Unincorporated Tooele County does not publish a plan-review timeline for this permit. Contact Tooele County Development Department — Building Inspection and Code Compliance at (435) 843-4737 for current turnaround.

You'll need: Building Permit Application and General Instructions; Construction/Installation Plans; Utility Interconnection/Net-Metering Approval Form. See the required-documents checklist on this page for details on each.

Unincorporated Tooele County requires 2 inspection(s) for a solar pv / solar energy system permit, in order: Structural / Roof Attachment, Electrical. Schedule each through Tooele County Development Department — Building Inspection and Code Compliance ((435) 843-4737).

Apply through Tooele County Development Department — Building Inspection and Code Compliance at 47 South Main Street, Room 208, Tooele, UT 84074. Phone: (435) 843-4737, email: building@tooeleco.gov. Office hours: Not published on tooeleco.gov as of 2026-07-04 — the Building Inspection page and Building Permits page list contact info (phone, fax, email) but no posted office hours. General county offices are listed at 47 S. Main St., Tooele, UT 84074, main line (435) 843-3100. A separate Building & Zoning Questions line, (435) 843-3160, and a Fire Department Questions line, (435) 833-8125, appear on the county's own Building Permit Application Instructions form (building-permit-012225.pdf).. Official information: https://www.tooeleco.gov/departments/development/building_inspection.php.

No. Tooele County's adopted Fee Schedule and combined Building Permit Application form list no distinct solar, solar PV, or photovoltaic category. On-site residential or commercial solar PV installation is treated as standard structural and electrical work under the county's general, valuation-based Building Permit.

No. Utility-scale 'Solar Energy System' facilities that feed off-site users are a separate Conditional Use matter under the county's Land Use Ordinance, subject to a required siting buffer from Residential District boundaries — a distinct zoning process from the building-permit process covered by this entry, which applies to on-site residential/commercial rooftop or accessory PV installations.

Sources & verification

Verified against official sources. Last reviewed 2026-07-21.

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

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