Are Knox boxes required for commercial buildings in Sheridan?

Yes. A local amendment to IFC Section 506.1 requires Knox boxes on all commercial occupancies in the City of Sheridan.

Who reviews fire sprinkler/alarm plans for commercial projects in Sheridan?

As of this verification, the City of Sheridan has posted a notice stating it does not have a certified Fire Plans Examiner or qualified fire-inspection professional on staff; all fire sprinkler, fire alarm, and related fire inspections and associated fees must be directed through the State of Wyoming.

Commercial Tenant Improvement Permit in Sheridan, Wyoming

Verified

Required for interior remodels, additions, and tenant improvements in commercial buildings in the City of Sheridan. Processed as a Detailed Building Permit (plan review) under the 2024 IBC as amended by Ordinance No. 2290.

Verified 2026-07-01 · Source

Valuation x 0.036 x 0.8Commercial New/Add/Alter — up to $100,000 valuation

When you need this permit

Plan review required for structural work, remodels, and additions in commercial occupancies
IBC Section 804.2.2 local amendment: work areas with shared exits/corridors serving occupant load >30 in Groups A, E, F-1, H, I, M, R-1, R-2, R-4, S-1, S-2 require automatic sprinkler protection under specified conditions
IFC Section 506.1 local amendment: Knox boxes required on all commercial occupancies
Contractor must hold a current City of Sheridan contractor license
As of this verification, the City states it lacks a certified Fire Plans Examiner — fire sprinkler/alarm plan review and inspection must be routed through the State

Required documents

Req
Building Permit Application (OpenGov Permit & Licensing Portal)
Online application at sheridanwy.portal.opengov.com
Req
Full Construction Drawing Set
Architectural, structural, mechanical, plumbing, electrical plans as applicable

Fee schedule

Fee type	Amount	Notes
Commercial New/Add/Alter — up to $100,000 valuation	Valuation x 0.036 x 0.8	City of Sheridan Master Fee Schedule (Resolution #34-23), p.14, "Commercial New/Add/Alter"
Commercial New/Add/Alter — over $100,000 valuation	(($100,000 x 0.036) + (remaining amount x 0.0095)) x 0.8	City of Sheridan Master Fee Schedule (Resolution #34-23), p.14

Review timeline

~10–30 business days

Typical estimate — confirm current times with the Sheridan building department

Inspection process

1
Framing / Structural
After framing complete before walls covered
2
MEP Rough-In
Mechanical, electrical, plumbing rough-in before walls closed
3
Fire / Knox Box
Knox box installation verification (required on all commercial occupancies per local amendment); fire sprinkler/alarm inspections currently routed through the State per City's posted notice
4
Final / Certificate of Occupancy
All work complete, ready for occupancy

Tips

Knox boxes are required on ALL commercial occupancies in Sheridan per a local IFC amendment (Section 506.1) — this is broader than the base IFC, which typically triggers Knox box requirements only for specific occupancy/access conditions.
As of this verification, the City has posted an explicit notice that it lacks a certified Fire Plans Examiner or qualified fire-inspection professional; all fire sprinkler, fire alarm, and related fire inspections/fees must be directed through the State — budget extra coordination time for commercial projects with fire suppression scope.

Frequently asked questions

Are Knox boxes required for commercial buildings in Sheridan?: Yes. A local amendment to IFC Section 506.1 requires Knox boxes on all commercial occupancies in the City of Sheridan.
Who reviews fire sprinkler/alarm plans for commercial projects in Sheridan?: As of this verification, the City of Sheridan has posted a notice stating it does not have a certified Fire Plans Examiner or qualified fire-inspection professional on staff; all fire sprinkler, fire alarm, and related fire inspections and associated fees must be directed through the State of Wyoming.

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

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