Unincorporated Laramie County building permits

Requirements

• Apply online via the Laramie County, WY Public Portal (SmartGov)
• Foundation plans must be stamped by a Wyoming Design Professional and be site-specific (legal description), OR use the county's pre-approved Laramie County Foundation Standards where applicable
• Plot plan meeting the county's minimum plot-plan requirements
• Full plan set with all rooms labeled, all dimensions shown, and location of underslab utilities and mechanical rooms in the basement
• IRC Letter required for modular homes stating the building and electrical code the home was built to
• Design must account for county Table R301.2(1): 32 lb/ft² ground snow load, 105 mph Vult wind, Seismic Design Category A–B, 36-inch minimum frost depth
• Ownership documentation (recorded warranty deed) required if ownership changed within the past 6 months, or if this is the first structure built on the property
• Plan review typically 7–10 business days from a complete submittal per the county's Building Department FAQ

Required documents

• RequiredBuilding Permit Application (SmartGov portal — co-laramie-wy.smartgovcommunity.com)Online application under 'Building Safety and Construction – Residential'
• RequiredPlot PlanMust meet the county's Plot Plan Minimum Requirements handout
• RequiredFoundation PlansSite-specific, stamped by a Wyoming Design Professional, or matched to the pre-approved Laramie County Foundation Standards
• RequiredBuilding PlansClear plan set with all rooms labeled, all dimensions, and underslab utility/mechanical room locations shown
• OptionalIRC Letter (modular/manufactured homes)States the building code and electrical code edition the factory-built home was constructed to
• OptionalRecorded Warranty DeedRequired if ownership changed in the past 6 months or this is the first structure built on the property

Fee schedule

Requirements

• Additions: county pre-approved Laramie County Foundation Standards may apply, or a Wyoming Design Professional must stamp site-specific foundation plans; wall heights and underslab utility/mechanical room locations must be shown
• Basement finish/renovation: entire basement floor plan required with all rooms labeled; egress window locations and sizes required; adding an egress window requires stamped foundation plans from a Wyoming Design Professional; existing vs. new work must be distinguished
• Residential deck/patio/porch: building plans, caisson details (pre-approved Laramie County Foundation Standards accepted), and elevations; deck framing that supports a roof load requires engineering
• Revisions to an active permit: submit a Residential Additional Work and/or Revision Form with changes marked in red on the plans, plus any additional fees

Required documents

• RequiredBuilding Permit Application (SmartGov portal)Online application under 'Building Safety and Construction – Residential'
• RequiredPlot PlanMinimum plot-plan requirements
• OptionalResidential Additional Work and/or Revision FormRequired for changes to an already-permitted project

Fee schedule

Requirements

• Required to erect, install, enlarge, alter, repair, remove, convert, or place any electrical system regulated by code
• Electrical services over 200 amps require an engineered one-line diagram and plan review
• Homeowner may perform their own electrical work on their own primary residence without being a licensed electrician, per the county's Building Department FAQ; electricians performing work for others must be licensed and registered with the Wyoming Dept. of Fire Prevention and Electrical Safety (307-777-7288)
• Mobile Home Park electrical: wiring from the meter to each manufactured-home lot is treated as Commercial electrical work, not part of the Manufactured Home Set permit
• Applied for as a standalone 'Counter: Plumbing/Mechanical/Electrical/Gas' permit, or combined with a building permit application

Required documents

• RequiredCounter Permit Application — Electrical (SmartGov portal)Standalone trade permit application for electrical-only work
• OptionalEngineered One-Line DiagramRequired for services over 200 amps

Fee schedule

Requirements

• Required to erect, install, enlarge, alter, repair, remove, convert, or place any plumbing system regulated by code
• Homeowner may perform their own plumbing work on their own primary residence
• Applied for as a standalone 'Counter' permit, or combined with a building permit

Required documents

• RequiredCounter Permit Application — Plumbing (SmartGov portal)Standalone trade permit application for plumbing-only work

Fee schedule

Requirements

• Required to erect, install, enlarge, alter, repair, remove, convert, or place any mechanical or gas system regulated by code
• Generator installations: electrical upgrades over 200 amp require stamped plans and review fees
• Applied for as a standalone 'Counter' permit, or combined with a building permit

Required documents

• RequiredCounter Permit Application — Mechanical/Gas (SmartGov portal)Standalone trade permit application for mechanical/gas-only work
• OptionalGenerator SpecificationsClear set of building plans and generator specifications for generator installs

Fee schedule

Requirements

• Non-structural re-roofing (tear-off and reroof with no structural/framing change) is EXEMPT from permit and inspection requirements per the Board of Commissioners' vote listed on the county's Building Permit Handouts and Fee Schedule page
• Structural roof work (e.g., changes to framing, trusses, or load path) requires a standard building permit, charged under the general valuation-based fee schedule
• Deck framing that supports a roof load requires engineering and a building permit (see residential-addition-remodel)

Required documents

• OptionalBuilding Permit Application (SmartGov portal) — only if structural work is involvedRequired only when the reroof includes structural/framing modification

Fee schedule

Requirements

• Permits and inspections are required for personal solar systems, per the county's Building Department FAQ
• Plot plan meeting minimum requirements
• Site-specific clear set of plans including an electrical one-line diagram
• Foundation or roof structural plans/letter must be stamped by a Wyoming Design Professional
• One-line diagram must include battery backups, electrical panel upgrades, and energy storage systems if applicable
• A new generator installed with the solar system requires a SEPARATE permit
• Commercial solar/wind: fees are based on the PV system (or turbine) only — additional buildings or structures are considered additional work and permitted/fee'd separately

Required documents

• RequiredAlternative Energy Permit Application (SmartGov portal)Filed under Building Safety and Construction — Residential or Commercial as applicable
• RequiredElectrical One-Line DiagramSite-specific; must include battery backup/panel upgrade/storage system if applicable
• RequiredFoundation/Roof Structural LetterStamped by a Wyoming Design Professional, site-specific

Fee schedule

Requirements

• Zoning: ADU is allowed in all urbanized residential zoning districts (URLD, URMD, URHD, MU, PUD) with central water and sewer, and in rural residential districts (RRH/LU) with a minimum lot size of 10.5 acres
• Size: no larger than 50% of the floor area of the principal dwelling in URLD/URMD/URHD/MU/PUD districts; may be up to the same size as the principal dwelling in LU and RRH districts; per the Guidance for Residential Projects handout, allowable square footage is 50% of the primary dwelling up to a maximum of 1,200 square feet
• A principal dwelling must be built on the lot BEFORE an application for an ADU is submitted
• ADU must be situated on the same lot as the principal dwelling and must meet setback, parking, and maximum lot-coverage requirements
• In URLD/URMD/URHD/MU districts, ADU must connect to South Cheyenne Water & Sewer District for water/sewer service
• In RRH/LU districts, ADU requires a septic permit from Laramie County Environmental Health and any necessary well approvals from the Wyoming State Engineer's Office; prior approval from South Cheyenne Water & Sewer District or Environmental Health is required BEFORE a building permit is issued
• Under 2024 IRC Appendix BC (the county's cited ADU construction standard): ADU permitted only within an existing single-family detached dwelling or existing townhouse unit within IRC scope; only one ADU per primary dwelling unit; owner must reside in either the primary dwelling or the ADU as of permit approval; ADU must have a separate house number; ADU must be not less than 190 sq ft and not more than 50% of the primary dwelling's area, capped at 1,200 sq ft; ADU must have a separate entrance from the primary dwelling; maximum of two bedrooms; separate heating system, ducting, and climate controls required (BC105.1); ready access to service disconnects and overcurrent devices required (BC105.2); ready access to gas shutoff valves required (BC105.3); water service may be shared with separate accessible shutoffs (BC105.4)
• A Non-Traditional Housing Approval Permit (Planning and Zoning application) is required in addition to the building permit application
• IRC Letter required for modular-home ADUs stating the code the unit was built to

Required documents

• RequiredNon-Traditional Housing Approval Permit Application (Planning and Zoning)Required zoning-side approval before/alongside the building permit application
• RequiredBuilding Permit Application (SmartGov portal)Standard residential building permit application for the ADU structure
• RequiredPlot PlanMinimum requirements
• RequiredBuilding PlansClear set of plans with all rooms labeled, all room dimensions, outside overall dimensions, and underslab utility/mechanical room locations
• OptionalIRC Letter for Modular HomesStates the building code and electrical code the unit was built to
• OptionalAccessory Dwelling Unit Guide (county handout)County's plain-language ADU guide summarizing LCLUR § 3-1-107 Part E standards

Fee schedule

Requirements

• Plot plan must show the building being removed from the property, with the structure circled
• Commercial demolition follows the same plot-plan requirement as residential demolition

Required documents

• RequiredDemolition Permit Application (SmartGov portal)Filed under Building Safety and Construction — Residential or Commercial as applicable
• RequiredPlot Plan (circled structure)Must clearly identify the structure being removed

Fee schedule

Requirements

• Pre-application meeting with the Planning Department required before starting any application for new or expanding commercial building projects (call 307-633-4303 or email planning@laramiecountywy.gov)
• Certificate of Review (C.O.R.) — approved signed copy from the Planning Department required
• Engineered Building, Foundation, Plumbing, Mechanical, Electrical plans stamped by a Wyoming Design Professional, required to be site-specific
• Code Study required: building height, design occupancy load, occupancy type, type of construction, risk category, structure use (prior use not needed for new construction); must meet current adopted building codes
• Full floor plan showing existing vs. proposed work for renovations/alterations

Required documents

• RequiredCommercial Permit Application (SmartGov portal)Filed under Building Safety and Construction — Commercial
• RequiredCertificate of Review (C.O.R.)Approved signed copy from Laramie County Planning Department
• RequiredEngineered Building/Foundation/Plumbing/Mechanical/Electrical PlansStamped by a Wyoming Design Professional, site-specific, with Code Study
• RequiredSite PlanSketches/drawings/photographs showing physical design, siting, vehicular/pedestrian access, and improvements

Fee schedule

Requirements

• Electrical (Counter) Permit required for EV charger/EVSE installation in unincorporated Laramie County, applied through the county SmartGov portal or in person at 3966 Archer Parkway, Cheyenne, WY
• Installation must comply with the county-adopted 2023 National Electrical Code, Article 625 (Electric Vehicle Power Transfer System)
• Homeowner may self-perform EV charger wiring on their own primary residence without being a licensed electrician, per the county Building Department FAQ; electricians working for others must be licensed and registered with the Wyoming Dept. of Fire Prevention and Electrical Safety
• Electrical services or upgrades over 200 amps (e.g., for multi-port or DC fast charging installations) require an engineered one-line diagram and plan review
• No distinct EV charger/EVSE fee line, expedited timeline, or SolarAPP+-style instant-permitting platform was found published by the county as of this review

Required documents

• RequiredCounter Permit Application — Electrical (SmartGov portal)Standalone trade permit application for EV charger/EVSE circuit and equipment installation

Fee schedule

Requirements

• Apply online via the Laramie County, WY Public Portal (SmartGov) under Building Safety and Construction — Commercial, 'Commercial Sign' application type
• Sign location must be approved by the Planning Department
• Certificate of Review (C.O.R.) — an approved signed copy from the Planning Department is required, as with other commercial permit types
• Foundation plans required: a copy of site-specific foundation plans, stamped by a Wyoming Design Professional
• Site plans required: a clear set of site plans stamped by a Wyoming Design Professional
• No distinct sign-permit fee line was found published by the county; charged under the general valuation-based Building Permit Fee / Plan Review Fee schedule, consistent with other commercial permit types that lack a dedicated flat fee

Required documents

• RequiredCommercial Permit Application (SmartGov portal)Filed under Building Safety and Construction — Commercial, 'Commercial Sign' application type
• RequiredCertificate of Review (C.O.R.)Approved signed copy from the Laramie County Planning Department; sign location must be approved by Planning
• RequiredSite PlanStamped by a Wyoming Design Professional, showing sign siting and site elements
• RequiredFoundation PlansSite-specific foundation details for the sign structure, stamped by a Wyoming Design Professional

Fee schedule

Requirements

• Plan review is required for installation, addition, or alteration of a fire protection sprinkler system 'regardless of size or valuation,' per W.S. 35-9-108 and the WSFM Plan Review Information page
• Plans must be submitted to the Department of Fire Prevention and Electrical Safety for review and approval before any work commences, via the Wyoming State Fire Marshal's eLicensing, ePermit, and ePayment Portal
• Plans for fire protection sprinkler systems designed by a NICET III or greater professional must be prepared under the direct supervision of a design professional registered to practice engineering in Wyoming; if the system is a manufactured, pre-engineered system, evidence of this must be submitted for verification (WSFM Department Rules, Chapter II, Section 1(c)(ii))
• Four (4) sets of plans and one (1) set of specifications must be submitted, or one (1) set of CAD drawings in DWF format if filed electronically — electronic filing is preferred for sprinkler and alarm systems (WSFM Department Rules, Chapter II, Section 1(d)(i))
• A separate Department-provided form and packet is required specifically for fire protection sprinkler systems, distinct from the general building plan review packet (WSFM Department Rules, Chapter II, Section 1(e))
• Plans must be drawn to scale and include a site plan showing property lines, streets/alleys, fire access roads, and the proposed building location
• Plans for fire sprinkler systems are submitted as successive-phase plans after the initial building plans are approved, if the overall project is phased
• After Department acceptance, construction must commence within 180 days; work may not be suspended or abandoned for more than 180 days, or the plan approval becomes null and void
• This is a STATE-issued permit/plan approval, separate from and in addition to any Laramie County building permit required for the associated construction project

Required documents

• RequiredWSFM Project Information SheetRequired form to initiate the plan review process with the Department of Fire Prevention and Electrical Safety
• RequiredFire Sprinkler Plans and SpecificationsFour sets of plans plus one set of specifications (or one CAD/DWF set if filed electronically), drawn to scale; must be prepared under the direct supervision of a Wyoming-registered design professional if designed by a NICET III+ professional
• RequiredPlan Review Fee PaymentValuation-based fee per WSFM Department Rules Chapter II, Section 3, due with the plan submittal

Fee schedule

Requirements

• Plan review is required for installation, addition, or alteration of a fire alarm system 'regardless of size or valuation,' per W.S. 35-9-108 and the WSFM Plan Review Information page
• Plans must be submitted to the Department of Fire Prevention and Electrical Safety for review and approval before any work commences, via the Wyoming State Fire Marshal's eLicensing, ePermit, and ePayment Portal
• Plans for fire detection and alarm systems designed by a NICET III or greater professional must be prepared under the direct supervision of a design professional registered to practice engineering in Wyoming; if the system is a manufactured, pre-engineered system, evidence of this must be submitted for verification (WSFM Department Rules, Chapter II, Section 1(c)(ii))
• Four (4) sets of plans and one (1) set of specifications must be submitted, or one (1) set of CAD drawings in DWF format if filed electronically — electronic filing is preferred for sprinkler and alarm systems (WSFM Department Rules, Chapter II, Section 1(d)(i))
• A separate Department-provided form and packet is required specifically for fire alarm systems, distinct from the general building plan review packet (WSFM Department Rules, Chapter II, Section 1(e))
• Plans must be drawn to scale and include a site plan showing property lines, streets/alleys, fire access roads, and the proposed building location
• Plans for fire alarm systems are submitted as successive-phase plans after the initial building plans are approved, if the overall project is phased
• After Department acceptance, construction must commence within 180 days; work may not be suspended or abandoned for more than 180 days, or the plan approval becomes null and void
• This is a STATE-issued permit/plan approval, separate from and in addition to any Laramie County building permit required for the associated construction project

Required documents

• RequiredWSFM Project Information SheetRequired form to initiate the plan review process with the Department of Fire Prevention and Electrical Safety
• RequiredFire Alarm Plans and SpecificationsFour sets of plans plus one set of specifications (or one CAD/DWF set if filed electronically), drawn to scale; must be prepared under the direct supervision of a Wyoming-registered design professional if designed by a NICET III+ professional
• RequiredPlan Review Fee PaymentValuation-based fee per WSFM Department Rules Chapter II, Section 3, due with the plan submittal

Fee schedule

Requirements

• Filed as a 'Commercial Plan Review Only' application through the Laramie County, WY Public Portal (SmartGov), under Building Safety and Construction — Commercial
• Provide a clear set of Engineered Building, Foundation, Plumbing, Mechanical, Electrical, and Fire plans, stamped by a Wyoming Design Professional and required to be site specific
• Include a Code Study: building height, design occupancy load, occupancy type, type of construction, risk category, structure use, and prior use (prior use not needed for new construction) — must meet current adopted building codes
• A standard commercial building permit is required prior to any construction resulting from the change-of-use/plan review
• Pre-application meeting with the Planning Department is required before starting any application for new or expanding commercial building projects (307-633-4303 or planning@laramiecountywy.gov)
• GOTCHA: If the change of use/occupancy would make the building one of the categories subject to Wyoming State Fire Marshal plan review (buildings over 5,000 sq ft with public access, places of assembly regardless of size, schools, state/local government buildings, multi-story buildings, or child care centers for more than 10 children), a SEPARATE state-level plan review and Certificate of Occupancy/Letter of Compliance from WSFM is also required, per W.S. 35-9-108 and the WSFM Plan Review Information page — the county's own guidance document uses the identical phrase 'certificates of occupancy/compliance' for its local process, so confirm with both agencies which one(s) apply to a given project

Required documents

• RequiredCommercial Plan Review Only Application (SmartGov portal)Filed under Building Safety and Construction — Commercial
• RequiredEngineered Building/Foundation/Plumbing/Mechanical/Electrical/Fire PlansStamped by a Wyoming Design Professional, site-specific, with an accompanying Code Study
• RequiredCode StudyBuilding height, design occupancy load, occupancy type, type of construction, risk category, structure use, and prior use (existing buildings only)

Fee schedule