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Codes, exemptions & field inspections

Build to the adopted code. Verify every exception.

This guide translates the available agency record into a preconstruction checklist for structural scope, minor work, and inspection release. The adopted code and the issuing official control when a field condition is disputed.

Regulatory framework

The code baseline for Campbell County.

Campbell County's current commercial checklist requires compliance with the 2024 International Building, Plumbing, Mechanical and Fire Codes, plus applicable county, state and federal requirements. Chapter 4 also governs electrical, mechanical, plumbing, small-wastewater and fire-safety work; small wastewater systems must comply with Wyoming DEQ Water Quality Rules Chapters 11 and 25. The Building Division enforces these rules in unincorporated Campbell County outside Gillette and Wright, while zoning applies only to designated zoning districts and most platted subdivisions.

Inspection lane

Call the Building Division at 307-682-1970 to schedule required inspections. The County performs inspections during construction, notifies the owner and builder of violations, and requires a final inspection and Certificate of Occupancy before an applicable permitted building is occupied. For an optional rural-home Certificate of Occupancy, the published stages include footing, stemwall, service utility lines, rough framing/electrical/plumbing/HVAC, drywall and final. Assigned address numbers must be posted before inspectors will visit. The first two inspections of the same work are included; each subsequent failed reinspection costs $60 and must be paid before scheduling.

Minor-work playbook

Understand what may be exempt—and what is not.

County Chapter 4 exempts one- and two-family dwellings from the general building permit, although special requirements apply in zoned or platted subdivisions and separate electrical, mechanical, plumbing, septic, zoning and floodplain permits may still be required. It also exempts qualifying structures on parcels of 40 acres or more used exclusively for farm/ranch operations, HUD-code manufactured homes, and public, commercial or industrial buildings associated with oil, gas, coal or other mineral extraction. The County does not publish a separate list of cosmetic repair exemptions.

Field rule

A permit exemption generally addresses one narrow construction trigger. It does not automatically waive zoning, land-use, floodplain, shoreline, fire, energy, electrical, utility, septic, or right-of-way requirements. Obtain written confirmation when the project involves a new structure, structural alteration, change in occupancy, or concealed work.

Inspection pipeline

Keep the work visible at every release point.

  1. 1

    Request with lead time

    Call the Building Division at 307-682-1970 to schedule required inspections. The County performs inspections during construction, notifies the owner and builder of violations, and requires a final inspection and Certificate of Occupancy before an applicable permitted building is occupied. For an optional rural-home Certificate of Occupancy, the published stages include footing, stemwall, service utility lines, rough framing/electrical/plumbing/HVAC, drywall and final. Assigned address numbers must be posted before inspectors will visit. The first two inspections of the same work are included; each subsequent failed reinspection costs $60 and must be paid before scheduling.

  2. 2

    Preserve access

    Do not cover framing, reinforcement, wiring, piping, damp-proofing, or life-safety work until the required inspection has been completed and documented.

  3. 3

    Close the record

    Retain the approved plans, inspection approvals, correction responses, and final certificate or occupancy release with the property file.

Contractor verification

Verify the builder before the contract is signed.

Use the state licensing system to verify active registration, trade credentials, bond status, and liability coverage where available. Match the legal business name to the proposal and permit application.

No verified lookup link

Planning reference

Keep the parcel rules beside the building plans.

A building permit is only one part of statutory compliance. Check the local zoning, ordinance, map, or land-use reference before finalizing setbacks, height, lot coverage, access, drainage, or accessory structure placement.

Open planning reference ↗

Source trail

Official sources for this profile

Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.

Agency websiteOpen official source ↗Application instructionsOpen official source ↗Fee scheduleOpen official source ↗Planning or zoning referenceOpen official source ↗

Project questions

Frequently asked questions for Campbell County

Who handles permitting for this jurisdiction?

Campbell County Public Works Building Division is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.

How should I begin an application?

No verified online portal was located in the reviewed public materials. Contact 307-682-1970 and request the current application route before preparing a final submittal.

How long might review take?

Allow 10 business days for commercial plan review when the application needs no corrections; Planning, the Fire Marshal and the Building Division must approve it.

How are inspections scheduled?

Call the Building Division at 307-682-1970 to schedule required inspections. The County performs inspections during construction, notifies the owner and builder of violations, and requires a final inspection and Certificate of Occupancy before an applicable permitted building is occupied. For an optional rural-home Certificate of Occupancy, the published stages include footing, stemwall, service utility lines, rough framing/electrical/plumbing/HVAC, drywall and final. Assigned address numbers must be posted before inspectors will visit. The first two inspections of the same work are included; each subsequent failed reinspection costs $60 and must be paid before scheduling.

Which codes and exemptions should I review?

Campbell County's current commercial checklist requires compliance with the 2024 International Building, Plumbing, Mechanical and Fire Codes, plus applicable county, state and federal requirements. Chapter 4 also governs electrical, mechanical, plumbing, small-wastewater and fire-safety work; small wastewater systems must comply with Wyoming DEQ Water Quality Rules Chapters 11 and 25. The Building Division enforces these rules in unincorporated Campbell County outside Gillette and Wright, while zoning applies only to designated zoning districts and most platted subdivisions. County Chapter 4 exempts one- and two-family dwellings from the general building permit, although special requirements apply in zoned or platted subdivisions and separate electrical, mechanical, plumbing, septic, zoning and floodplain permits may still be required. It also exempts qualifying structures on parcels of 40 acres or more used exclusively for farm/ranch operations, HUD-code manufactured homes, and public, commercial or industrial buildings associated with oil, gas, coal or other mineral extraction. The County does not publish a separate list of cosmetic repair exemptions.

Field sequencing matters

The inspector needs to see the work at the right moment.

Code compliance is not only a plan-review exercise. Footings, reinforcement, framing, fireblocking, wiring, piping, insulation, weather protection, and life-safety systems each have points where the work must remain accessible. Build the inspection calendar into the trade schedule instead of treating it as a final administrative step.

When a project qualifies for a narrow minor-work exemption, keep a written explanation of why it qualifies and confirm that related zoning, utility, fire, energy, or environmental rules do not create a separate approval requirement.

Closeout file

Keep the approved plan set, inspection approvals, correction responses, contractor license verification, final certificate, and any occupancy release together. A clean record protects the owner, builder, lender, insurer, and future buyer.