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Change of Occupancy / Certificate of Occupancy Review in Riverton, Wyoming

Riverton does not have a standalone 'change of use' or 'certificate of occupancy' permit product or fee category distinct from its standard Building Permit process. A change in a building or tenant space's occupancy classification is evaluated under the 2024 International Existing Building Code (IEBC) Chapter 10 'Change of Occupancy,' as adopted by the City via Enrolled Ordinance No. 25-003, together with the 2024 IBC's Certificate of Occupancy provisions — neither of which Riverton locally amended (this file's localAmendments list does not include any change to IBC § 111 or IEBC Chapter 10). Resolution No. 1355 has no dedicated 'change of use' or 'CO reissuance' fee line; the proposed change is submitted through the same combined 'Application for Building Permit' used for every other permit type in this file, and charged under the general Alterations category if the new occupancy requires physical changes to comply with applicable code.

Reviewed 2026-07-22 · Source

When you need this permit

  • Any change in the character or use of a building or tenant space that changes its IBC occupancy classification is evaluated against IEBC Chapter 10 'Change of Occupancy' as adopted (2024 IEBC, Ordinance No. 25-003)
  • If the new occupancy classification imposes more restrictive requirements (fire rating, means of egress, accessibility, structural, etc.) than the previous occupancy, compliance with the applicable new-occupancy provisions of the IEBC/IBC must be completed and verified before a new Certificate of Occupancy is issued
  • No dedicated 'change of use' application form exists — use the combined 'Application for Building Permit,' describing the occupancy change and any associated alteration scope
  • Food processing/manufacturing or other health-regulated uses moving into a space must separately contact Consumer Health Services at (307) 777-7211 before construction begins, the same requirement documented in this file's commercial-tenant-improvement-permit entry
  • A Certificate of Occupancy is issued after final inspection confirms the space meets the code applicable to its (new) occupancy classification — consistent with the Final Inspection description already documented in this file's residential-building-permit and commercial-tenant-improvement-permit entries

Required documents

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Fee schedule

Alterations (if the occupancy change requires construction to comply with the new use's code requirements)City of Riverton Resolution No. 1355, Category 3.A — no distinct 'change of use' fee exists; this is the same general Alterations category used elsewhere in this file (see residential-addition-remodel and commercial-tenant-improvement-permit entries)
$0.42 per square foot of alteration area, $50.00 minimum
Occupancy reclassification with NO construction/alteration requiredResolution No. 1355 has no line item for a pure administrative change-of-occupancy or Certificate of Occupancy reissuance review with zero construction scope. This is a genuine documentation gap, not an inferred figure — confirm directly with the Community Development Department at (307) 856-2999 whether any administrative review fee applies in this scenario.
No verified fee found

Review timeline

Plan review
Not published — contact the department

How long did your Change of Occupancy / Certificate of Occupancy Review permit actually take in Riverton?

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Inspection process

  1. 1

    Final / Certificate of Occupancy Inspection

    Confirms the space complies with the code requirements applicable to its (new) occupancy classification before a Certificate of Occupancy is issued; if alterations were required, this follows the same rough/final inspection sequence as the applicable building, electrical, plumbing, or mechanical permit type in this file

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

Tips

  • There is no separate 'change of use permit' product to look up or apply for in Riverton — it is handled entirely inside the same combined Building Permit application and fee structure documented throughout this file, not a distinct line item.
  • Whether a change of occupancy costs anything at all depends entirely on whether it triggers physical alterations: a straightforward reclassification with no construction scope has no verified city fee, while any accompanying alteration work is charged at the standard $0.42/sq ft (Category 3.A) rate.
  • Contact the Community Development Department BEFORE signing a lease or purchase agreement for a change-of-use scenario — an occupancy reclassification that triggers IEBC Chapter 10's more-restrictive-use provisions (e.g., converting storage/warehouse (S) to assembly (A) or business (B) space) can require significant fire-rating, egress, or accessibility upgrades that are far more consequential than the permit fee itself.
  • Food service, food processing, or other health-regulated occupancy changes require a separate Consumer Health Services review (307-777-7211) in addition to the Building Division's occupancy determination — plan for both review tracks running in parallel.

Frequently asked questions

Riverton requires a change of occupancy / certificate of occupancy review permit for: Any change in the character or use of a building or tenant space that changes its IBC occupancy classification is evaluated against IEBC Chapter 10 'Change of Occupancy' as adopted (2024 IEBC, Ordinance No. 25-003); If the new occupancy classification imposes more restrictive requirements (fire rating, means of egress, accessibility, structural, etc.) than the previous occupancy, compliance with the applicable new-occupancy provisions of the IEBC/IBC must be completed and verified before a new Certificate of Occupancy is issued; No dedicated 'change of use' application form exists — use the combined 'Application for Building Permit,' describing the occupancy change and any associated alteration scope; Food processing/manufacturing or other health-regulated uses moving into a space must separately contact Consumer Health Services at (307) 777-7211 before construction begins, the same requirement documented in this file's commercial-tenant-improvement-permit entry; A Certificate of Occupancy is issued after final inspection confirms the space meets the code applicable to its (new) occupancy classification — consistent with the Final Inspection description already documented in this file's residential-building-permit and commercial-tenant-improvement-permit entries. If your project isn't listed, confirm with City of Riverton Community Development Department — Building Division at (307) 856-2999 before starting work.

If the change requires physical alterations to meet the new occupancy's code requirements, the standard Alterations fee applies ($0.42 per square foot of alteration area, $50.00 minimum, per Resolution No. 1355 Category 3.A). If no construction is required, no verified city fee for a pure administrative reclassification review was found — confirm directly with the Community Development Department.

Riverton does not publish a plan-review timeline for this permit. Contact City of Riverton Community Development Department — Building Division at (307) 856-2999 for current turnaround.

You'll need: Application for Building Permit; Occupancy/Code Analysis. Depending on your project, Riverton may also ask for: Construction Drawings. See the required-documents checklist on this page for details on each.

Riverton requires 1 inspection(s) for a change of occupancy / certificate of occupancy review permit, in order: Final / Certificate of Occupancy Inspection. Schedule each through City of Riverton Community Development Department — Building Division ((307) 856-2999).

Apply through City of Riverton Community Development Department — Building Division at 816 N. Federal Blvd., Riverton, WY 82501. Phone: (307) 856-2999, email: kpetersen@rivertonwy.gov. Office hours: Mon–Fri (contact department for current hours); building permitting/inspection line (307) 857-7708. Official information: https://www.rivertonwy.gov/departments/community_dev/building_permits___inspections/index.php.

Riverton, Wyoming has adopted: 2024 International Building Code (IBC), including appendices A, B, C, F, H, I, J, K — adopted by Enrolled Ordinance No. 25-003 (effective March 22, 2025); 2024 International Residential Code (IRC), including appendices AA, BA, BB, BC, BD, BE, BF, BG, BH, BO, CA, CB, CC, CD, CE, CF (excluding Chapter 11) — Ordinance No. 25-003; 2024 International Mechanical Code (IMC), including appendix A — Ordinance No. 25-003; 2024 International Plumbing Code (IPC), including appendices C, D, E, F — Ordinance No. 25-003; 2024 International Fuel Gas Code (IFGC), including appendices A, B, C, D — Ordinance No. 25-003; 2024 International Fire Code (IFC), including appendices A–G — Ordinance No. 25-003; 2024 International Code Council Performance Code (ICCPC) — Ordinance No. 25-003; 2024 International Property Maintenance Code (IPMC), including appendices A, B — Ordinance No. 25-003; 2024 International Existing Building Code (IEBC) — Ordinance No. 25-003; National Electrical Code (NEC) — NFPA 70; Riverton Municipal Code § 15.08.110(B)(2) ties compliance to 'the latest edition of the National Electrical Code,' which per wsfm.wyo.gov/electrical-safety is now the 2026 edition, effective statewide July 1, 2026 (the 2023 edition was the applicable 'latest edition' from July 1, 2023 until then) — adopted by the City of Riverton itself as Riverton Municipal Code Chapter 15.08 'Electrical Code'; enforced by the city's own electrical inspector, NOT solely the Wyoming State Fire Marshal's default statewide program; National Fire Codes (NFC), current editions, NFPA; National Housing Construction and Safety Standards Act of 1974 (as amended through May 30, 2006, HUD) — governs manufactured/mobile home construction; ICC/ANSI A117.1-2017 — Accessible and Usable Buildings and Facilities. Local amendments apply — see the Riverton overview page for the full list.

No. There is no standalone 'change of use' or 'CO' permit product or fee line in City of Riverton Resolution No. 1355. A change in occupancy classification is reviewed under the adopted 2024 IEBC Chapter 10 ('Change of Occupancy') and IBC Certificate of Occupancy provisions through the same combined 'Application for Building Permit' used for all other permit types, and is charged under the general Alterations fee category only if construction is required to meet the new occupancy's code requirements.

Sources & verification

Key facts verified against official sources. Last reviewed 2026-07-22.

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

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