This is PermitBase’s published record for Gillette as of 2026-07-01. It has since been superseded — see the current record. A historical record reflects what PermitBase had verified at that time; it may not capture a real-world change the jurisdiction had made but PermitBase had not yet verified, and it includes any errors we later corrected. Snapshots are never edited retroactively.
Gillette building permits
VerifiedGillette, Wyoming — as published 2026-07-01.
Verified 2026-07-01 · Source
Codes adopted
Permit types & fees
Residential Building Permit (New Construction)
VerifiedRequired for new single-family dwellings and other one- and two-family residential construction in Gillette. Governed by the 2024 IRC per City Code § 5-I-3. Fee is based on total building square footage per the adopted schedule in City Code § 5-IV-1(b).
Verified 2026-07-01 · Source
Requirements
- Building permit required for all new one- and two-family residential construction
- Plans required for all dwellings (no plan review fee is charged for one- and two-family dwellings)
- Applications and plan sets submitted digitally via EnerGov Self Service portal
- Foundation plan must be stamped by a Wyoming-licensed engineer, with written verification of footing/foundation type from the soils engineer, submitted before the footing inspection
- A Foundation Location Certificate prepared and signed by a licensed Wyoming surveyor must be submitted before any inspections beyond sill plate are completed
- Wyoming 811 (One Call) must be contacted prior to excavation
- Contractor must hold a current City of Gillette contractor license (Class A/B/R as applicable)
Required documents
- RequiredBuilding Permit Application (via EnerGov Self Service)Online application/plan submittal through the City of Gillette's EnerGov Self Service portal
- RequiredFoundation Plan (stamped)Stamped by a Wyoming-licensed engineer; required file for the Building Inspection Division application per the Residential Building Permit Process flow chart
- RequiredSoils ReportWritten verification from the soils engineer of the required footing/foundation type
- RequiredArchitectural, Structural, Mechanical, Plumbing, and Electrical PlansFull construction drawing set per the Guideline to 2024 IRC Residential Construction booklet
- RequiredPlot PlanProperty lines, easements, setbacks, existing/proposed structures, drainage — required by the Planning Division for zoning review
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — 0–500 sq ft | $30.00 | City of Gillette Code § 5-IV-1(b), Building Square Feet fee schedule (Revised 12-2024) |
| Building Permit Fee — 500–1,000 sq ft | $60.00 | — |
| Building Permit Fee — 1,000–2,000 sq ft | $100.00 | — |
| Building Permit Fee — 2,000–5,000 sq ft | $150.00 | — |
| Building Permit Fee — over 5,000 sq ft | $150.00 + $0.04 per additional square foot | — |
| Plan Review Fee (one- and two-family dwellings) | No charge | City Code § 5-IV-1(a): plans required for one- and two-family dwellings carry no plan review fee |
| Residential Plumbing (new single-family construction, interior) | $30.00 | City Code § 5-IV-3(a) |
Residential Addition / Remodel Permit
VerifiedRequired for additions, structural alterations, remodels, and miscellaneous residential repairs to existing one- and two-family dwellings in Gillette. Governed by the 2024 IRC (City Code § 5-I-3); fee for additions follows the same building-square-footage table as new construction, while miscellaneous remodels/repairs use a flat $20 fee.
Verified 2026-07-01 · Source
Requirements
- Additions are permitted under the same building-square-footage fee table as new construction
- Miscellaneous residential work (remodels, damage repair, residing) is a flat-fee permit
- Structural additions require stamped plans/calculations as applicable
- Applications submitted via EnerGov Self Service portal
- Plot plan required for zoning review of additions that change the building footprint
Required documents
- RequiredBuilding Permit Application (via EnerGov Self Service)Online application for addition/remodel scope
- RequiredPlot PlanRequired for additions that change the building footprint; example provided in the Residential Addition Guide
- RequiredConstruction DrawingsScope, dimensions, structural details, connection to existing structure per the Residential Addition Guide
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — additions (by resulting building square footage) | $30–$150+$0.04/sq ft — same tiered table as new construction | City Code § 5-IV-1(b), Building Square Feet fee schedule |
| Miscellaneous Residential (remodels, damage, repair, or residing) | $20.00 | City Code § 5-IV-1(b) |
| Basement finish — building permit fee | Waived (no charge) | City Code § 5-IV-1(b): a building permit is still required to finish a basement, but the building permit fee itself is waived since the square footage was already charged under the original permit; plumbing/mechanical permits to finish the basement are also fee-free unless special circumstances apply (new water heater/furnace, opened floor for drain lines). A standard electrical permit at the standard fee IS required for new circuits/wiring/outlets. |
Electrical Permit
VerifiedRequired for electrical installations, alterations, service changes, and repairs in Gillette. Per the Wyoming State Fire Marshal 'LOCAL AND STATE JURISDICTIONS' chart (ELEC INSP/PR = L/L for Gillette), the CITY — not the Wyoming State Fire Marshal's electrical program — issues and inspects electrical permits inside city limits, under the 2023 NEC adopted by City Code § 5-I-6. Fee is amperage-based per City Code § 5-IV-2, plus a Capital Contribution Fee for new/upgraded electrical service.
Verified 2026-07-01 · Source
Requirements
- Electrical permit required for services, service changes, new circuits, sub-feeders, basement finish wiring, additions, alterations, and repairs
- Minimum electrical permit fee is $10.00, computed by amperage capacity
- Maximum fee for single-family residences (including EMHs, townhouses, patio houses) on a privately-owned lot is capped at $40 (0–100 amp) or $50 (101–200 amp)
- Capital Contribution Fee applies in addition to the permit fee for new or upgraded electrical services
- Contractor must hold a City of Gillette Class D Electrical contractor license (or Master/Journeyman Electrician license) per City Code Chapter 5, Article III
Required documents
- RequiredElectrical Permit Application (via EnerGov Self Service)Apply online through the City of Gillette EnerGov Self Service portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Electrical Permit — 0 to 60-amp capacity | $10.00 | City Code § 5-IV-2(2)(a) (Revised 12-2024) |
| Electrical Permit — 61 to 100-amp capacity | $12.00 | — |
| Electrical Permit — 101 to 200-amp capacity | $13.00 | — |
| Electrical Permit — each additional 100-amp capacity or fraction | $4.00 | — |
| Electrical Permit — each sub-panel | $5.00 | — |
| Residential Electrical (single-family, privately-owned lot, incl. EMHs/townhouses/patio houses) — 0 to 100-amp capacity (maximum fee) | $40.00 | City Code § 5-IV-2(3)(a)(1) |
| Residential Electrical (single-family) — 101 to 200-amp capacity (maximum fee) | $50.00 | City Code § 5-IV-2(3)(a)(2) |
| Capital Contribution Fee — 100 Amp (or upgrade 100 to 200 amp) | $175.00 | City of Gillette Guideline to 2024 IRC Residential Construction — Capital Contribution Fee for new/upgraded service, in addition to the electrical permit fee |
| Capital Contribution Fee — 200 Amp | $350.00 | — |
| Capital Contribution Fee — 400 Amp | $700.00 | — |
| Capital Contribution Fee — 600 Amp | $1,050.00 | — |
| Demolition of Building — disconnect power service line | $10.00 | City Code § 5-IV-2(5) |
Plumbing Permit
VerifiedRequired for plumbing installations, alterations, and repairs in Gillette. Governed by the 2024 International Plumbing Code (IPC) per City Code § 5-I-4 — NOTE: Gillette uses the IPC, not the Uniform Plumbing Code used by some other Wyoming/Nevada cities. Fee schedule is per-fixture/per-item under City Code § 5-IV-3(a).
Verified 2026-07-01 · Source
Requirements
- Minimum plumbing permit fee applies to any plumbing work
- Per-fixture fee for each fixture, trap, or set of fixtures on one trap (including water, drainage piping, and backflow protection)
- New single-family construction interior plumbing is billed at a flat rate
- Contractor must hold a City of Gillette Class D Plumbing contractor license (or Master/Journeyman/Apprentice Plumber license)
Required documents
- RequiredPlumbing Permit Application (via EnerGov Self Service)Apply online through the City of Gillette EnerGov Self Service portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Minimum permit fee | $10.00 | City Code § 5-IV-3(a) (Revised 12-2024) |
| Each plumbing fixture or trap (or set of fixtures on one trap, incl. water, drainage piping, backflow protection) | $2.00 | — |
| Each water heater | $10.00 | — |
| Each industrial waste pre-treatment grease or sand-oil interceptor (incl. trap and vent, excepting kitchen-type grease interceptors functioning as fixture traps) | $10.00 | — |
| Installation, alteration, or repair of water line | $10.00 | — |
| Each lawn sprinkler system and associated backflow protection devices | $5.00 | — |
| Water softeners or treatment systems | $10.00 | — |
| Plumbing repair (any type) | $10.00 | — |
| Sewer line installation and/or repair | $10.00 | — |
| Residential Plumbing — new single-family construction, interior | $30.00 | — |
| Demolition of Building — cap off plumbing at street | $10.00 | — |
Mechanical / HVAC Permit
VerifiedRequired for heating, cooling, ventilation, and gas piping installations in Gillette. Governed by the 2024 International Mechanical Code (IMC, City Code § 5-I-5) and 2024 International Fuel Gas Code (IFGC, § 5-I-7). Residential new HVAC is a flat unit fee; gas piping is billed by outlet count.
Verified 2026-07-01 · Source
Requirements
- Residential new HVAC covers up to 2 heating units, A/C unit, vents, ducts, bath fans, dryer vents under one flat fee; additional units are billed per-unit
- Residential replacement HVAC (furnace, woodstove, heating unit, A/C, boiler) is billed per unit
- Commercial new/replacement HVAC has its own per-unit and flat-fee structure
- Gas piping systems are billed by outlet count
- Contractor must hold a City of Gillette Class D HVAC/Mechanical or Gas Pipefitters contractor license
Required documents
- RequiredMechanical Permit Application (via EnerGov Self Service)Apply online through the City of Gillette EnerGov Self Service portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential — New HVAC (up to 2 heating units, A/C unit, vents, ducts, bath fans, dryer vents, fireplaces) | $30.00 | City Code § 5-IV-3(b)(1) (Revised 12-2024); $15 per each additional unit |
| Residential — Replacement: furnace, woodstove, or heating unit (per unit) | $15.00 | — |
| Residential — Replacement: air conditioning or cooling unit (per unit) | $15.00 | — |
| Residential — Replacement: boiler unit (per unit) | $15.00 | — |
| Residential — Miscellaneous (per unit) | $15.00 | — |
| Commercial — New/Replacement: furnace, wood stove, heating unit, A/C window/cooling unit, or boiler unit (per unit) | $20.00 each | — |
| Commercial — Installation of grease hood or exhaust hood (per unit) | $20.00 | — |
| Commercial — New construction/alteration of Commercial Building HVAC (flat fee: heating unit, venting, ducts, A/C unit, grease hood, bathroom fan, dryer vent) | $75.00 flat fee | $20 per additional unit |
| Gas piping system of 1 to 4 outlets | $10.00 | City Code § 5-IV-3(c) |
| Gas piping system of 5 or more outlets (per outlet) | $15.00 | — |
Roofing Permit (Reroof)
VerifiedRequired for roof replacement (reroof) on residential and commercial buildings in Gillette. Governed by 2024 IRC Section R908 reroofing provisions per City Code § 5-I-3; residential reroof is a low flat fee, commercial is a per-square-foot fee.
Verified 2026-07-01 · Source
Requirements
- Reroofing over 100 sq ft requires a permit
- Complies with 2024 IRC Chapter 9 reroofing/re-covering requirements (structural loads, roof recover limitations, flashing reconstruction)
- Materials/methods for re-covering or replacing an existing roof covering must comply with Chapter 9 of the adopted residential code
Required documents
- RequiredRoofing Permit Application (via EnerGov Self Service)Apply online through the City of Gillette EnerGov Self Service portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Reroof (shingles and shakes, over 100 sq ft) | $10.00 | City Code § 5-IV-1(b) (Revised 12-2024) |
| Commercial Reroof | $0.0050 per square foot | — |
Solar PV Permit
VerifiedRequired for installation of rooftop or ground-mounted solar photovoltaic systems in Gillette. There is no separate 'solar' line item in the adopted fee schedule; solar PV installation is processed as a standard building permit (structural/racking, charged under the Building Square Feet table or Miscellaneous Residential fee) plus a standard electrical permit (amperage-based) for the interconnection.
Verified 2026-07-01 · Source
Requirements
- Rooftop or ground-mounted solar PV installation requires a building permit (structural/racking scope) and an electrical permit (interconnection/wiring scope)
- Structural design must account for Gillette's local design criteria: 30 psf minimum roof live load (≥15 psf snow load table applies to low-slope roofs at 35 psf), 115 mph ultimate design wind speed, Seismic Design Category B minimum
- Electrical permit and inspection is handled by the City of Gillette Building Division (Gillette holds delegated electrical authority — ELEC INSP/PR = L/L per the WSFM jurisdictions chart), not the Wyoming State Fire Marshal's electrical program
- Contractor must hold applicable City of Gillette contractor licenses (Class B/R Building and Class D Electrical)
Required documents
- RequiredBuilding Permit Application (via EnerGov Self Service) — structural/racking scopeSite plan and racking/structural details for the array
- RequiredElectrical Permit Application (via EnerGov Self Service) — interconnection scopeElectrical wiring, disconnect, and interconnection details
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — solar structural/racking scope | Charged under the Building Square Feet fee table ($30–$150+$0.04/sq ft) or the $20 Miscellaneous Residential fee, as applicable | No separate flat solar-construction fee line exists in the adopted City Code § 5-IV-1(b) fee schedule; a rooftop PV retrofit on an existing home is charged as a 'Miscellaneous Residential' ($20) or amperage-scaled electrical addition, per Building Division practice for scope not creating new conditioned floor area. |
| Electrical Permit — interconnection (amperage-based) | $10–$50+ depending on service amperage — see electrical-permit fee table | City Code § 5-IV-2 |
Accessory Dwelling Unit (ADU) Permit
VerifiedGillette's Adopted Zoning Ordinance (Ord. No. 4056, 12/17/2024) has NO dedicated 'Accessory Dwelling Unit' zoning category, definition, or standalone permit type. A full-text search of the current ordinance (SECTION 11. Definitions and all District Standards sections, via online.encodeplus.com/regs/gillette-wy-rewrite) returns only 'Accessory Structure' and 'Accessory Use' as defined terms — there is no ADU-specific use classification, size cap, or parking standard. A secondary living space on a single-family lot is built and permitted under the generic Accessory Structure/Accessory Use standards and the standard residential building permit process for the applicable zoning district (e.g., R-1 Single-Family Residential, R-2 Two-Family Residential).
Verified 2026-07-01 · Source
Requirements
- No dedicated ADU zoning category exists in Gillette's Adopted Zoning Ordinance (confirmed via full-text search of the current code, Ord. No. 4056, 12/17/2024)
- A detached or attached secondary structure/living space is evaluated as an 'Accessory Structure' ("a structure located on the same zone lot as the structure containing the primary, permitted use... detached or attached to the primary structure but must be subordinate and customarily incidental to the use of the primary structure") under the applicable residential district's dimensional standards (setbacks, height, lot coverage)
- Construction is permitted under the standard residential building permit process (2024 IRC) plus separate electrical/plumbing/mechanical permits as applicable
- Contact the City Planning Division ((307) 686-5281, cityplan@gillettewy.gov) BEFORE applying to confirm which zoning district applies to the property and whether a proposed secondary dwelling/living space is allowed as an accessory use there
- Contact the Building Division ((307) 686-5260) to confirm which building permit types (new construction vs. addition/remodel) apply to the specific project
Required documents
- RequiredBuilding Permit Application (via EnerGov Self Service)Standard residential building permit process applies; no separate ADU-specific application form exists
- RequiredSite PlanProperty lines, existing structures, proposed accessory structure location, setbacks — for Planning Division zoning review
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee (accessory structure/detached living space, by resulting square footage) | $30–$150+$0.04/sq ft — same Building Square Feet table as new construction | City Code § 5-IV-1(b); no separate ADU fee line exists because no dedicated ADU permit type exists |
| Electrical / Plumbing / Mechanical permits (as applicable) | See electrical-permit, plumbing-permit, and mechanical-hvac-permit fee tables | Charged under the same per-type fee schedules as any other residential construction |
Demolition Permit
VerifiedRequired for demolition of buildings or structures in Gillette. Fee is a low flat rate per City Code § 5-IV-1(b); a separate flat fee applies to disconnect the electrical service and to cap off plumbing at the street.
Verified 2026-07-01 · Source
Requirements
- Building demolition permit required to demolish, move, or substantially alter a structure
- Electrical service line must be disconnected as part of demolition (separate permit/fee)
- Plumbing must be capped off at the street as part of demolition (separate permit/fee)
- Contractor must hold applicable City of Gillette contractor license
Required documents
- RequiredDemolition Permit Application (via EnerGov Self Service)Apply online through the City of Gillette EnerGov Self Service portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Demolition Permit | $60.00 | City Code § 5-IV-1(b) (Revised 12-2024) |
| Demolition of Building — disconnect power service line | $10.00 | City Code § 5-IV-2(5) |
| Demolition of Building — cap off plumbing at street | $10.00 | City Code § 5-IV-3(a) |
Commercial Tenant Improvement / Commercial Building Permit
VerifiedRequired for commercial building construction, tenant improvements, remodels, and alterations in Gillette. Governed by the 2024 IBC (City Code § 5-I-2); routed through Planning Division site plan review, Building Inspection Division plan review/permit issuance, and (for utility work) Engineering Division review before Certificate of Occupancy.
Verified 2026-07-01 · Source
Requirements
- Commercial Site Plan Requirements Checklist must be satisfied through the Planning Division before applying for the building permit
- Plans for buildings with occupant load over 10 must be signed and sealed by a Wyoming-registered professional engineer or architect
- Complete plan set required: general documents, architectural, structural, electrical (incl. low voltage), civil, plumbing, mechanical, gas line, and fire plans (fire plans routed to Campbell County Fire Department)
- Plans must show IBC code data analysis on the title sheet: use group classification, construction type, fire-resistive construction, design approach method, height/area calculations, fire protection systems, interior finish, occupant loads, means of egress, and accessibility features
- Comcheck energy compliance report (2012 IECC or ASHRAE 90.1-2013) required with commercial plans (certain low-hazard occupancy groups exempted)
- Right-of-way (ROW) permit required from Engineering Division if new water/sewer service connections are needed
- Miscellaneous commercial remodels up to 500 sq ft use a flat fee; larger commercial projects use the Building Square Feet table
- Contractor must hold a City of Gillette Class A (General) or Class B (Building) contractor license
Required documents
- RequiredCommercial Site Plan Requirements ChecklistPlanning Division checklist that must be satisfied before/alongside the building permit application
- RequiredCommercial Buildings and Structures — Minimum Plan Submittal RequirementsBuilding Inspection Division's checklist of the complete plan set (architectural, structural, electrical, civil, plumbing, mechanical, gas, fire, general sheets)
- RequiredBuilding Permit Application (via EnerGov Self Service)Digital plan submittal through the City of Gillette EnerGov Self Service portal
- RequiredFire PlansRouted to Campbell County Fire Department for review
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| First Commercial Plan Review (incl. Commercial Master Plans) | $100.00 | City Code § 5-IV-1(a) (Revised 12-2024) |
| Second Commercial Plan Review | $200.00 | — |
| Third Commercial Plan Review | $1,125.00 | — |
| Fourth and any additional Commercial Plan Review | $1,500.00 each | — |
| Building Permit Fee (by resulting building square footage) | $30–$150+$0.04/sq ft — same Building Square Feet table as residential | City Code § 5-IV-1(b) |
| Miscellaneous Commercial (remodels up to 500 sq ft) | $30.00 | Larger commercial remodel projects are charged per the Building Square Feet table |
| Cell and other Towers | $100.00 | — |
| Antenna Co-Locates | $100.00 | — |
| Temporary Job Trailers | $30.00 | — |
| Commercial Reroof | $0.0050 per square foot | — |
Deck Permit
VerifiedRequired for most residential decks in Gillette under the 2024 IRC. A flat $20 permit fee applies; small, low, detached decks not serving the main exit door are exempt from a building permit (though a zoning permit is generally still required).
Verified 2026-07-01 · Source
Requirements
- Decks exceeding 200 sq ft, attached to the dwelling, more than 30 inches above grade (within 36 inches of the deck), or serving the main exit door require a building/zoning permit
- Decks NOT exceeding 200 sq ft, NOT attached to the dwelling, NOT more than 30 inches above grade within 36 inches, and NOT serving the main exit door do not need a building permit (a zoning permit is still required in most instances)
- Footings: minimum 42 inches deep from finish grade to bottom of footing, 8 inches thick, extending 2 inches beyond post sides on all sides
- Posts: 4x4 minimum up to 8 ft height; 5x6 required over 8 ft; must rest on footings, secured with a galvanized steel post base or equivalent
- Decks 18 inches or less above finished grade must use pressure-treated or decay-resistant lumber (measured from the bottom of the floor joists)
- Ledger boards require proper flashing (stainless steel, UV-resistant plastic, or G-185 galvanized steel) at the connection to the house
Required documents
- RequiredBuilding/Zoning Permit Application (via EnerGov Self Service)Apply online; plot plan required for zoning review
- RequiredPlot PlanRequired for zoning; examples available from the Building Inspection Division
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Deck | $20.00 | City Code § 5-IV-1(b) (Revised 12-2024) |
Basement Finish Permit
VerifiedRequired to finish a basement in Gillette, but the building permit fee itself is waived because the building square footage was already charged under the original construction permit. Plumbing and mechanical permits are also fee-free unless special circumstances apply; a standard-fee electrical permit is required for new wiring.
Verified 2026-07-01 · Source
Requirements
- A building permit is required to finish a basement, but City Code § 5-IV-1(b) waives the building permit fee itself
- Plumbing and mechanical permits to finish the basement are fee-free UNLESS special circumstances apply (e.g., the basement floor must be opened to install new plumbing drain lines, or a new hot water heater or furnace is installed)
- A standard electrical permit, at the standard amperage-based fee, IS required for the addition of new electrical circuits, wiring, and outlets to finish a basement
- Standard inspections from the Building Division are still conducted and all work must comply with the codes enforced by the City of Gillette
Required documents
- RequiredBuilding Permit Application (via EnerGov Self Service)Standard application; fee waived per City Code § 5-IV-1(b)
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — basement finish | Waived (no charge) | City Code § 5-IV-1(b) (Revised 12-2024): waived because building square footage was already charged under the original construction permit |
| Plumbing/Mechanical Permit Fee — basement finish (standard scope) | Waived (no charge) | Unless special circumstances apply (opened floor for drain lines, new water heater or furnace installed), in which case standard plumbing-permit/mechanical-permit fees apply |
| Electrical Permit — basement finish (new circuits/wiring/outlets) | Standard amperage-based fee applies — see electrical-permit fee table | City Code § 5-IV-1(b): "A standard electrical permit is required with the standard fee for the addition of new electrical circuits as well as for electrical wiring and new outlets to finish a basement." |
Sources & verification
Verified against official sources. Last reviewed 2026-07-01.
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 Gillette building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.