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Solar PV Permit in Unincorporated Sheridan County, Wyoming

Sheridan County has no dedicated solar permit or fee category. A residential rooftop or ground-mounted PV installation is processed under the same baseline Zoning Permit ($150) required countywide for any new construction or accessory structure, verifying setbacks and zoning-district compliance — no solar-specific accessory-use classification or setback distance was found published in the county's zoning materials. A true structural building-code permit additionally applies ONLY if the parcel falls within the mapped Sheridan County Building Standards Area (near the City of Sheridan), a pre-2006 legacy subdivision the county already permits, a post-2006 subdivision, or a Conditional Use Permit structure — otherwise the county has no structural building-code review at all for private construction. Electrical interconnection is handled by the Wyoming State Fire Marshal's Office (WSFM) — Dept. of Fire Prevention & Electrical Safety, not the county, per the same statewide mechanism documented in this jurisdiction's Electrical Permit entry.

Verified 2026-07-20 · Source

When you need this permit

  • Zoning Permit required countywide before installing a rooftop or ground-mounted solar system, as new construction/an accessory structure — submit a plot plan (to scale, ≤11x17) showing property lines, setbacks, and the array's location relative to existing structures
  • Proof of ownership (recorded deed copy) and documentation of when the parcel was legally established
  • A true structural building-code permit (2021 I-Codes) additionally applies ONLY if the parcel is within the mapped Sheridan County Building Standards Area, a specific pre-Dec. 5, 2006 legacy subdivision, any subdivision approved after Dec. 5, 2006, or a Conditional Use Permit structure
  • Electrical interconnection (arrays, inverters, disconnects, point of connection) requires a separate Wyoming State Fire Marshal Electrical Wiring Permit — apply online via wyelectrician.imagetrendlicense.com — not issued by Sheridan County
  • Copy of an approved access permit must accompany the Zoning Permit application if the project changes driveway/road access

Required documents

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Fee schedule

Zoning Permit fee (nonrefundable, due upon submittal)Sheridan County Zoning Permit Application (rev. 5/1/2026) — same baseline fee documented in this jurisdiction's Zoning Permit entry; no solar-specific rate is published.
$150.00
Structural building-code permit (only within the mapped Building Standards Area, legacy/post-2006 subdivisions, or CUP structures)Tied to Table AL 101.1, Appendix AL Permit Fees of the 2021 IRC per Article IV County Amendments, plus a plan-review fee not to exceed 67% of the building permit fee — same gap already documented in this jurisdiction's building-permit-limited-area entry. Contact Sheridan County Public Works at (307) 674-2920 to confirm.
Not published as a flat or valuation-based fee schedule on the county's public site
WSFM Electrical Wiring Permit (interconnection)WY State Fire Marshal electrical fee schedule — same figures documented in this jurisdiction's Electrical Permit entry, RE-CONFIRMED live on 2026-07-20 by direct fetch of wsfm.wyo.gov/electrical-safety/wiring-permits-1: 'A fee of $50.00 shall be paid for any electrical wiring permit issued by the Department.'
$50.00 standard ($40.00 temporary/90-day); residential inspection fees $70 (100A service, includes permit) or $120 (200A service, includes permit)

Review timeline

Plan reviewUnincorporated Sheridan County’s published plan-review target
10–30 business days

How long did your Solar PV Permit permit actually take in Unincorporated Sheridan County?

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

Inspection process

  1. 1

    Site / Setback Inspection (Zoning Permit)

    Performed upon zoning permit approval; new construction must be staked out per the approved plot plan

  2. 2

    WSFM Electrical Inspection

    Performed by the Wyoming State Fire Marshal's Office, not the county — verifies wiring, disconnects, and point of connection

  3. 3

    County Structural Inspection (only within the mapped Building Standards Area or other covered subdivisions)

    Verifies structural/mounting work per the adopted 2021 I-Codes, only where a county structural building permit applies

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

Tips

  • There is no dedicated 'solar' line anywhere in Sheridan County's published fees — every solar installation starts with the same $150 baseline Zoning Permit required of any new construction or accessory structure countywide.
  • Whether you also need a full structural building-code permit depends entirely on your parcel's location relative to the mapped Building Standards Area (near the City of Sheridan) and its subdivision history — confirm this with Sheridan County Public Works (307-674-2920) before assuming either way, since most of unincorporated Sheridan County has NO structural building-code review at all.
  • Budget for the separate Wyoming State Fire Marshal Electrical Wiring Permit for the interconnection wiring, since Sheridan County does not administer electrical permits itself.

Frequently asked questions

Unincorporated Sheridan County requires a solar pv permit for: Zoning Permit required countywide before installing a rooftop or ground-mounted solar system, as new construction/an accessory structure — submit a plot plan (to scale, ≤11x17) showing property lines, setbacks, and the array's location relative to existing structures; Proof of ownership (recorded deed copy) and documentation of when the parcel was legally established; A true structural building-code permit (2021 I-Codes) additionally applies ONLY if the parcel is within the mapped Sheridan County Building Standards Area, a specific pre-Dec. 5, 2006 legacy subdivision, any subdivision approved after Dec. 5, 2006, or a Conditional Use Permit structure; Electrical interconnection (arrays, inverters, disconnects, point of connection) requires a separate Wyoming State Fire Marshal Electrical Wiring Permit — apply online via wyelectrician.imagetrendlicense.com — not issued by Sheridan County; Copy of an approved access permit must accompany the Zoning Permit application if the project changes driveway/road access. If your project isn't listed, confirm with Sheridan County Public Works Department (Planning / Building Official) at (307) 674-2920 or (307) 675-2420 before starting work.

In Unincorporated Sheridan County, the published Zoning Permit fee (nonrefundable, due upon submittal) is: $150.00. Additional published fees: Structural building-code permit (only within the mapped Building Standards Area, legacy/post-2006 subdivisions, or CUP structures) — Not published as a flat or valuation-based fee schedule on the county's public site; WSFM Electrical Wiring Permit (interconnection) — $50.00 standard ($40.00 temporary/90-day); residential inspection fees $70 (100A service, includes permit) or $120 (200A service, includes permit). These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Unincorporated Sheridan County's published plan-review target for a solar pv permit is 10–30 business days.

You'll need: Sheridan County Zoning Permit Application (revised 5/1/2026); Wyoming State Fire Marshal Electrical Wiring Permit Application. See the required-documents checklist on this page for details on each.

Unincorporated Sheridan County requires 3 inspection(s) for a solar pv permit, in order: Site / Setback Inspection (Zoning Permit), WSFM Electrical Inspection, County Structural Inspection (only within the mapped Building Standards Area or other covered subdivisions). Schedule each through Sheridan County Public Works Department (Planning / Building Official) ((307) 674-2920 or (307) 675-2420).

Apply through Sheridan County Public Works Department (Planning / Building Official) at 224 South Main Street, Suite 428, Sheridan, WY 82801. Phone: (307) 674-2920 or (307) 675-2420, email: publicworks@sheridancountywy.gov. Office hours: Mon–Fri 8:00am–5:00pm (Sheridan County general office hours per the sheridancountywy.gov site footer, re-confirmed 2026-07-16; not separately published as Public-Works-specific hours). Official information: https://www.sheridancountywy.gov/departments/planning/building_in_the_county/index.php.

Unincorporated Sheridan County, Wyoming has adopted: NO countywide building code / NO general building permit for private construction in unincorporated Sheridan County. Per the Wyoming State Fire Marshal's 'Local and State Jurisdictions' chart, Sheridan County (county-level row) is listed BLDG INSP/PR = STATE and ELEC INSP/PR = STATE — the county has NOT taken general countywide building-code delegation under W.S. § 35-9-121, so the State Fire Marshal / state program has building and electrical jurisdiction across most of unincorporated Sheridan County.; IMPORTANT NUANCE (confirmed on the county's own site): Sheridan County DOES have an adopted 'Building Standards, Sheridan County, Wyoming' rule (adopted Nov. 18, 1991; last amended May 16, 2023, filed as County Clerk doc. #2023-785780) that adopts the 2021 International Building Code, 2021 IRC, 2021 IMC, 2021 IFGC, 2021 IPC, 2021 International Fire Code, the 2022 National Electrical Code, and the Uniform Code for the Abatement of Dangerous Buildings — but ARTICLE I, Section 3 (Applicability) confirms this code applies ONLY within a mapped 'Sheridan County Building Standards Area' (a defined zone around/adjoining the City of Sheridan shown on the Appendix A Planning Map), PLUS specific legacy subdivisions the BOCC imposed permitting/inspection on before Dec. 5, 2006, all NEW subdivisions approved after Dec. 5, 2006, and any structure built under a Conditional Use Permit. It does NOT apply countywide.; Farms and ranches on 40 acres or more of deeded land are specifically EXEMPT from the Building Standards code entirely (Article I, Sec. 3(b)(1)), as are county hospitals, mines/oilfield/refinery facilities, and railway buildings.; Where the Building Standards DO apply (the mapped area / qualifying subdivisions / CUP structures): a building permit is required before construction of any building/structure valued over $5,000 (Article III, Sec. 1), enforced by the Sheridan County Building Official.; Where the Building Standards do NOT apply (the vast majority of unincorporated Sheridan County — rural and agricultural land outside the mapped area): there is no county building permit for private construction; a Zoning Permit (land-use/setback compliance, not a structural building-code permit) is still required countywide for new construction or change of use.; Electrical: wiring permits/inspections are issued by the Wyoming State Fire Marshal's Office — Dept. of Fire Prevention & Electrical Safety (Chief Electrical Inspector), not Sheridan County, per the county's own Zoning Permit application which directs applicants doing new electrical work to WSFM..

No. A solar installation is processed under the same baseline $150 Zoning Permit required for any new construction or accessory structure countywide, plus a separate Wyoming State Fire Marshal Electrical Wiring Permit for the interconnection. A full structural building-code permit applies only if the parcel is within the mapped Building Standards Area near the City of Sheridan, a specific legacy or post-2006 subdivision, or a Conditional Use Permit structure. Source: Sheridan County Zoning Permit Application (rev. 5/1/2026).

Sources & verification

Verified against official sources. Last reviewed 2026-07-20.

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

Other permits in Unincorporated Sheridan County

Zoning PermitBuilding Permit (Sheridan County Building Standards Area ONLY)Flood Plain Development PermitSeptic / Small Wastewater System PermitDriveway / Road-Use (Access) PermitElectrical Permit (State Program)EV Charger / EVSE PermitSign Permit (WYDOT Outdoor Advertising Permit — no county-level sign permit)Fire Sprinkler / Fire Alarm Permit (State Program)Change of Use / Certificate of Occupancy

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