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Solar Panel (PV) Permit in Farmington, Utah

Required for residential and commercial rooftop solar photovoltaic installations in Farmington City. Farmington's Building Applications and Forms page lists dedicated solar documents (Solar Building Permit Application, Solar Checklist, Commercial Solar, Residential Solar Micro Inverters, Residential Solar String or Central Inverters) separate from its general permit packets, and the Consolidated Fee Schedule carries a distinct 'Solar (Flat Rate)' line item of $378.01 — a genuinely distinct solar-specific fee and technical plan-review checklist, not folded into a generic building-permit valuation.

Verified 2026-07-19 · Source

When you need this permit

  • Two complete sets of construction drawings, one-line electrical diagram(s), and a detailed site plan showing the home's service panelboard, any backfed sub-panelboard, disconnect locations, and PV module layout
  • Two complete sets of manufacturer specification sheets for micro-inverters/inverters, modules (panels), disconnect switches, any new AC panelboards, and the racking/mounting system
  • Module spec sheets showing STC-rated watts (Pmp), volts (Vmp), amps (Imp), open-circuit voltage (Voc), and short-circuit current (Isc); modules must be listed UL 1703
  • Inverter spec sheets showing max watts/volts handled and max rated AC output amps/voltage; utility-tied inverters must be listed 'utility interactive' meeting UL 1741 with ground-fault protection
  • Roof mounting-system detail including component weight, support spacing rated for local wind/snow loads, and roof rafter/truss type
  • Correct checklist used for system type: separate Farmington City checklists exist for micro-inverter systems versus string/central-inverter systems, and a separate checklist for commercial PV systems 600V or less

Required documents

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Fee schedule

Solar (Flat Rate)Farmington City Consolidated Fee Schedule (adopted 2026-05-19), Section C 'Farmington City Miscellaneous Residential Building Permit Fees' table — read directly off the official PDF (page 8 of 28), confirmed via rendered page image because the PDF's text layer mis-orders this two-column table.
$378.01
Plan Review Deposit — ResidentialConsolidated Fee Schedule, Section C1; payable prior to permit issuance, applies generally to residential building permits including solar.
$75.00
Plan Check Fee — ResidentialConsolidated Fee Schedule, Section C2; the Schedule notes 'All residential building permit fees will also be charged a Plan Check Fee of 40% of the Building Permit Fee.'
40% of building application permit fee
State Inspection FeeConsolidated Fee Schedule, Section C3; minimum permit fee overall is $55.00 for one inspection plus $0.55 for the State 1% fee.
1% of building application fee

Review timeline

Plan review
Not published — contact the department

How long did your Solar Panel (PV) Permit permit actually take in Farmington?

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

Inspection process

  1. 1

    Rough Electrical

    Verification of conduit, wire sizing, grounding/bonding, and disconnect placement per the submitted one-line diagram before the system is energized.

  2. 2

    Final Inspection

    Confirms racking/mounting attachment, roof-penetration sealing, module and inverter installation match approved plans, and required labeling is in place.

See the full Farmington inspection guide — scheduling & re-inspection fees →

Tips

  • Use the checklist matching your exact system type (micro-inverter vs. string/central-inverter for residential; the separate 600V-or-less checklist for commercial) — Farmington's checklists note requirements differ by inverter topology (e.g., 'Total array power' items are explicitly waived for micro-inverter systems).
  • As of 2026-07-19 two of these direct PDF links on farmingtoncity.wpengine.com (the Solar Checklist and the Solar Building Permit Application) return 404 even though Farmington's live Building Applications and Forms page still names and links them — a case of partial link rot on the city's own site. The Residential Solar Micro Inverters checklist link is still live. Content for the two dead links was confirmed via Wayback Machine archives (captured 2025-06-05) of the same file paths; call the Building Department (801-939-9214) to get current copies if any of the live links are broken by the time you check.
  • The $378.01 Solar (Flat Rate) fee appears in the 'Miscellaneous Residential Building Permit Fees' table alongside items like swimming pools and storage sheds — it is a flat add-on, and the schedule's two-column PDF table can mis-align in plain-text extraction, so verify the dollar figure against the actual table image if re-checking.

Frequently asked questions

A detailed site plan, one-line electrical diagram, mounting-system details rated for local wind/snow loads, and manufacturer spec sheets for the modules and inverter, per the City's Solar Checklist. Use the micro-inverter or string/central-inverter version of the checklist matching your specific system.

Yes. Farmington's Consolidated Fee Schedule (adopted 2026-05-19) lists a flat 'Solar (Flat Rate)' fee of $378.01, distinct from the valuation-based fees used for most other residential construction, plus the standard Plan Review Deposit, Plan Check Fee, and State Inspection Fee that apply to residential permits generally.

Farmington does not publish a plan-review timeline for this permit. Contact Farmington City Building Department at (801) 451-2383 for current turnaround.

You'll need: Solar Building Permit Application; Solar Checklist (Residential Solar Photovoltaic Plan Submittal Checklist). Depending on your project, Farmington may also ask for: Residential Solar Micro Inverters checklist; Residential Solar String or Central Inverters checklist; Commercial Solar Photovoltaic (PV) System 600V or less Plan Review. See the required-documents checklist on this page for details on each.

Farmington requires 2 inspection(s) for a solar panel (pv) permit, in order: Rough Electrical, Final Inspection. Schedule each through Farmington City Building Department ((801) 451-2383).

Apply through Farmington City Building Department at 160 S. Main St. / P.O. Box 160, Farmington, UT 84025-0160. Phone: (801) 451-2383. Office hours: Monday–Thursday 8:00 AM – 5:00 PM; Friday 8:00 AM – 12:00 PM (Residential Building Permit Application Packet, H. Gordon rev. 4.24.2020). Official information: https://farmington.utah.gov/building-department/.

Farmington, Utah has adopted: 2024 International Building Code (IBC), including Appendices C and J — CURRENT statewide as of 7/1/2026 per Utah Code § 15A-2-103(1)(a); supersedes the 2021 edition previously used in Farmington City's design criteria (Residential Building Permit Application Packet, H. Gordon, rev. 4.24.2020, which had not been updated as of 2026-07-16); 2021 International Residential Code (IRC) — REMAINS CURRENT; Utah Code § 15A-2-103(1)(b) did not change this edition in the 7/1/2026 amendment. Farmington City design criteria (rev. 4.24.2020) and the Reroof & Roof Repair Policy (eff. July 1, 2024) are consistent with this; Appendix AQ of the 2021 IRC — statewide per Utah Code § 15A-2-103(1)(c); not separately itemized in Farmington's own published materials, added here per statute; 2024 International Existing Building Code (IEBC) — CURRENT statewide as of 7/1/2026 per Utah Code § 15A-2-103(1)(i); supersedes the 2021 edition cited in Farmington's Reroof & Roof Repair Policy (eff. July 1, 2024), Sections 705 and 706, which had not been updated as of 2026-07-16; 2021 International Property Maintenance Code (IPMC) — cited in Reroof & Roof Repair Policy (eff. July 1, 2024), Sections 304.1, 304.7, 507; the IPMC is NOT among the codes adopted by Utah Code § 15A-2-103 (property-maintenance code, not a construction code), so no statewide edition change applies here — left as published by the City; 2024 International Mechanical Code (IMC) — CURRENT statewide as of 7/1/2026 per Utah Code § 15A-2-103(1)(e); supersedes the 2021 edition previously used in Farmington's design criteria (rev. 4.24.2020, not updated as of 2026-07-16); 2024 International Plumbing Code (IPC) — CURRENT statewide as of 7/1/2026 per Utah Code § 15A-2-103(1)(d); supersedes the 2021 edition previously used in Farmington's design criteria (rev. 4.24.2020, not updated as of 2026-07-16); 2024 International Fuel Gas Code (IFGC) — statewide per Utah Code § 15A-2-103(1)(f); not separately itemized in Farmington's own published design-criteria packet (rev. 4.24.2020), added here per statute since the City's own materials omit it; 2024 International Energy Conservation Code (IECC), single unsplit statewide edition — CURRENT statewide as of 7/1/2026 per Utah Code § 15A-2-103(1)(h); supersedes the 2021 edition previously used in Farmington's design criteria (rev. 4.24.2020, not updated as of 2026-07-16); 2023 National Electrical Code (NEC) — REMAINS CURRENT; Utah Code § 15A-2-103(1)(g) did not change this edition in the 7/1/2026 amendment. Farmington City design criteria (rev. 4.24.2020) already correctly reflects 2023; NOTE (2026-07-16 re-verification): The Utah Code § 15A-2-103 version effective 7/1/2026 (superseded 1/1/2027) took effect 15 days before this re-verification. IBC/IPC/IMC/IFGC/IECC/IEBC are now 2024 statewide; IRC (2021) and NEC (2023) did NOT change. Farmington City's own published design-criteria packet (Residential Building Permit Application Packet, rev. 4.24.2020) and Reroof & Roof Repair Policy (eff. July 1, 2024) still reference 2021 editions for IBC/IEBC and had not been updated to reflect the 7/1/2026 transition as of this re-verification; this file now states the governing statutory code (2024 editions) as current per Utah's statewide-mandatory code regime (Utah Code § 15A-1-204), with the City's un-updated 2021 references preserved above as historical/local-document context. The Utah Code § 15A-2-103 citation in the sources array below has been updated to the current in-force version link. Local amendments apply — see the Farmington overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-19.

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

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