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Solar Photovoltaic (PV) Permit — Split City/State in Laurel, Montana

Residential solar PV installations within Laurel city limits require two separate permits: a state-issued Residential Electrical Permit (Alternative Energy Source add-on) from the Montana DLI Building Codes Bureau for the electrical interconnection, since Laurel is not DLI-certified for Electrical, plus a City of Laurel Building Permit for the structural roof- or ground-mounting component, since Laurel IS DLI-certified for Building. No dedicated 'solar permit' line exists in either the city's or the state's fee schedule; each side uses its existing general-purpose permit and fee structure.

Verified 2026-07-13 · Source

When you need this permit

  • Electrical connection requires a state Residential Electrical Permit (issued by the Montana DLI Building Codes Bureau, Helena) with the Alternative Energy Source box checked and system type specified (Micro Inverter/AC Module System or PV String System)
  • Structural/roof- or ground-mounting component requires a City of Laurel Building Permit application (Construction Permit and Application form), valued per Resolution No. R25-18 Appendix A, since mounting-system structural loads fall under the locally-adopted 2021 IBC/IRC
  • No separate solar-specific design-load table (e.g., snow/wind load minimums for racking) was found published by the City of Laurel; applicants should confirm structural design criteria directly with the Building Department

Required documents

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Not ready yet0 of 2 required documents checked.

This checker covers one permit. A full project usually triggers several — our checklist will assemble all of them, free →

Fee schedule

Alternative Energy Source add-on fee (solar, wind, or hydro) — stateMontana Building Codes Bureau, Application for Residential Electrical Permit (Rev. 12/22), Fee Schedule
$65, added to the base electrical work fee selected on the state Residential Electrical Permit application
Building Permit Fee — city, valuation-based (racking/mounting project cost as valuation)Resolution No. R25-18, Appendix A; no dedicated solar-specific fee or waiver was found on the City's fee schedule — the general Building Permit Fee table is the governing fee
$36.00 minimum ($1.00-$500.00 valuation), scaling per the Resolution No. R25-18 Appendix A valuation table

Review timeline

Plan reviewLaurel’s published plan-review target
1–21 business days

How long did your Solar Photovoltaic (PV) Permit — Split City/State permit actually take in Laurel?

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

Inspection process

  1. 1

    Building Final (mounting)

    Racking attachment, roof penetration sealing, and structural connections verified by the City of Laurel Building Department

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

Tips

  • Review timeline is governed by the two authorities' published/statutory figures: the state Residential Electrical Permit follows the Building Codes Bureau's published average of 'three weeks' (range a few hours to several weeks), and the City of Laurel Building Permit for the mounting is governed by the MCA 50-60-106(2)(c) 10-working-day statutory ceiling (single-family-dwelling checklist attached). The overall project is gated by the longer state electrical review, encoded here as 1–21 calendar days.
  • Solar in Laurel requires two separate permits from two separate authorities: the state (electrical interconnection) and the city (structural mounting) — plan for both applications and both fee sets.
  • Confirm with the City of Laurel Building Department whether a specific roof-mount or ground-mount installation triggers additional zoning or setback review before applying.

Frequently asked questions

You need a state Residential Electrical Permit with the $65 Alternative Energy Source add-on fee (issued by the Montana DLI Building Codes Bureau, since Laurel is not electrically-certified) plus a City of Laurel Building Permit for the structural mounting component, valued per the city's standard Building Permit Fee schedule (Resolution No. R25-18, Appendix A), since Laurel is Building-certified.

In Laurel, the published Alternative Energy Source add-on fee (solar, wind, or hydro) — state is: $65, added to the base electrical work fee selected on the state Residential Electrical Permit application. Additional published fees: Building Permit Fee — city, valuation-based (racking/mounting project cost as valuation) — $36.00 minimum ($1.00-$500.00 valuation), scaling per the Resolution No. R25-18 Appendix A valuation table. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Laurel's published plan-review target for a solar photovoltaic (pv) permit — split city/state is 1–21 business days.

You'll need: Application for Residential Electrical Permit (with Alternative Energy Source section completed); Construction Permit and Application. See the required-documents checklist on this page for details on each.

Laurel requires 1 inspection(s) for a solar photovoltaic (pv) permit — split city/state, in order: Building Final (mounting). Schedule each through City of Laurel Building Department — city-certified for Building (B) and Swimming Pool (SP) only; Electrical, Plumbing, Mechanical, and Fuel/Gas permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau ((406) 628-4796 ext. 5304).

Apply through City of Laurel Building Department — city-certified for Building (B) and Swimming Pool (SP) only; Electrical, Plumbing, Mechanical, and Fuel/Gas permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau at 115 W 1st St, Laurel, MT 59044. Phone: (406) 628-4796 ext. 5304, email: jgonzales@laurel.mt.gov. Office hours: Monday-Friday, 8:00 am to 5:00 pm (fax (406) 628-2241). Official information: https://cityoflaurelmontana.com/1295/City-Building-Code-Enforcement.

Laurel, Montana has adopted: Montana has a mandatory statewide building code administered by the Montana Department of Labor & Industry (DLI) Building Codes Bureau, amended by the Administrative Rules of Montana (ARM) Title 24, Chapter 301. Cities, counties, and towns may become 'certified' to locally administer permitting and inspection for all or part of the code (building, plumbing, electrical, mechanical, swimming pool, WUI, etc.); non-certified trades within a certified jurisdiction, and all trades in non-certified areas, fall under direct state administration by the DLI Building Codes Bureau. Source: Montana DLI Building Codes Bureau, Certified City, County and Town Programs and Current Codes pages (bsd.dli.mt.gov/building-codes-permits).; Laurel is a Montana DLI-certified jurisdiction for Building (B) and Swimming Pool (SP) ONLY within Laurel city limits — Jason Gonzales is the certified building official of record, (406) 628-4796. Laurel is NOT certified for Electrical (E), Plumbing (P), or Mechanical (M); those permits are issued directly by the state DLI Building Codes Bureau for all addresses within Laurel city limits. Source: Montana DLI Building Codes Bureau, 'CITY CODES BUILDING OFFICIAL PHONE JURISDICTION' certified-jurisdictions PDF (bsd.dli.mt.gov/_docs/building-codes-permits/certified-city.pdf), updated 04/22/2026 — Laurel row reads 'B, SP / Jason Gonzales / 628-4796 / City Limits'. Legend on that PDF: B = Building, P = Plumbing, M/G = Medical Gas, E = Electrical, M = Mechanical, SP = Pool, W = WUI (Wildland-Urban Interface).; Unincorporated Yellowstone County (outside Laurel and Billings city limits) does not appear on the DLI certified-jurisdictions list at all — every permit type there (Building, Electrical, Plumbing, Mechanical) is issued directly by the state Building Codes Bureau, the same routing documented for unincorporated Yellowstone County in the Billings jurisdiction file. Source: Montana DLI Building Codes Bureau, Certified City, County and Town Programs list.; The City of Laurel's own Building Department webpage confirms this split directly: 'Electrical, Fuel/Gas, Mechanical and Plumbing permits must be obtained through the State of Montana' at bsd.dli.mt.gov/Building-Codes-Permits/permit-applications. Source: City of Laurel Building/Building Code Enforcement page, cityoflaurelmontana.com/building.; 2021 International Building Code (IBC) — adopted by City of Laurel Ordinance No. O22-01 (Aug. 9, 2022), codified at Laurel City Code Chapter 14.12, adopted by reference pursuant to MCA 50-60-301(1)(a) as provided by ARM 24.301.131(1)-(3) with Appendix C (Group U — Agricultural Buildings) and modified through ARM 24.301.146(1)-(44); statewide effective June 11, 2022. Section 101.1 amended to read 'Building Code of City of Laurel'; Section 1612.3 amended to reference the Flood Insurance Study for Yellowstone County, Montana and Incorporated Area dated November 6, 2013 (Ord. No. O21-02, 4-13-2021). Source: Laurel, MT Code of Ordinances, Chapter 14.12 (International Building Code, 2021 Edition), library.municode.com/mt/laurel.; 2021 International Residential Code (IRC) — adopted by City of Laurel Ordinance No. O22-03 (Sept. 13, 2022), codified at Laurel City Code Chapter 14.16, adopted by reference pursuant to MCA 50-60-301(1)(a) as modified by ARM 24.301.154(1)-(24) with Appendix Q (Tiny Houses) as permitted by ARM 24.301.154(2)(a); statewide effective June 11, 2022. Section R101.1 amended to read 'Residential Code for One- and Two-family Dwellings of City of Laurel' (Ord. No. O21-02, 4-13-2021). Source: Laurel, MT Code of Ordinances, Chapter 14.16 (International Residential Building Code, 2021 Edition), library.municode.com/mt/laurel.; 2021 International Existing Building Code (IEBC) — adopted by City of Laurel, codified at Laurel City Code Chapter 14.18, adopted by reference pursuant to MCA 50-60-301(1)(a) as provided by ARM 24.301.171(1)-(4); statewide effective June 11, 2022. Section 101.1 amended to read 'Existing Building Code of the City of Laurel' (Ord. No. O21-02, 4-13-2021). Source: Laurel, MT Code of Ordinances, Chapter 14.18 (International Existing Building Code, 2021 Edition), library.municode.com/mt/laurel.; 2021 International Energy Conservation Code (IECC) — adopted by City of Laurel, codified at Laurel City Code Chapter 14.22, declared the energy conservation code of the city for design of new buildings/additions, exterior envelopes, and HVAC/service-water-heating/electrical-distribution/illuminating systems; statewide effective June 11, 2022. Sections C101.1 and R101.1 amended to read 'Energy Conservation Code of the City of Laurel' (Ord. No. O21-02, 4-13-2021). Source: Laurel, MT Code of Ordinances, Chapter 14.22 (International Energy Conservation Code, 2021 Edition), library.municode.com/mt/laurel.; 2021 International Swimming Pool and Spa Code (ISPSC) — adopted by City of Laurel Ordinance No. O22-01 (Aug. 9, 2022), codified at Laurel City Code Chapter 14.23, adopted by reference pursuant to MCA 50-60-301(1)(a) and ARM 24.301.175(2), as modified by ARM 24.301.175(1)-(6); statewide effective June 11, 2022. Section 101.1 amended to read 'Swimming Pool and Spa Code of the City of Laurel'; Section 105.6.2 amended so fees are set by the city council fee-schedule resolution rather than the model-code fee table (Ord. No. O21-02, 4-13-2021). Laurel is DLI-certified for Swimming Pool (SP) permitting. Source: Laurel, MT Code of Ordinances, Chapter 14.23 (International Swimming Pool and Spa Code, 2021 Edition), library.municode.com/mt/laurel.; Laurel's Code of Ordinances Title 14 (Buildings and Construction) contains adoption chapters ONLY for the codes Laurel is DLI-certified to enforce (IBC, IRC, IEBC, IECC, ISPSC) — there is no locally-adopted Electrical, Plumbing, Mechanical, or Fuel Gas chapter in Title 14, corroborating the DLI certified-jurisdictions list: those trades are enforced directly by the state, not the city. Source: Laurel, MT Code of Ordinances, Title 14, library.municode.com/mt/laurel/codes/code_of_ordinances?nodeId=TIT14BUCO.; 2021 International Mechanical Code (IMC), 2021 International Fuel Gas Code (IFGC), 2021 Uniform Plumbing Code (UPC), and 2020 National Electrical Code (NEC) all apply within Laurel city limits as the statewide-adopted editions (effective June 11, 2022) but are administered directly by the Montana DLI Building Codes Bureau (Helena), not the City of Laurel, because Laurel holds no local certification for those trades. Source: Montana DLI Building Codes Bureau, Current Codes page, bsd.dli.mt.gov/building-codes-permits/current-codes.. Local amendments apply — see the Laurel overview page for the full list.