Unincorporated Yellowstone County building inspections
VerifiedInspection sequence, scheduling, and re-inspection fees for building permits in Unincorporated Yellowstone County, Montana.
Verified 2026-07-02 · Source
How to schedule
Inspections are requested through the building department below.
- Address
- 301 South Park Ave, Floors 4-5, Helena, MT 59620 (mailing: Building Codes Bureau, PO Box 200517, Helena, MT 59620-0517)
- Phone
- (406) 841-2056
- buildingcodes@mt.gov
- Office hours
- Mon–Fri, state business hours; online permitting available 24/7 via https://aca-prod.accela.com/bcb/
- Website
- Official site
Inspection sequence
Applies to: Electric Vehicle (EV) Charging Station / EVSE Permit (State Electrical Permit)
- 1
Rough-In
Electrical permit holders must call for rough-in inspection and give 48 hours' notice before covering up the EVSE circuit work
- 2
Final
Final inspection by a State Electrical Inspector; wiring must meet 2020 NEC requirements including Article 625 (Electric Vehicle Power Transfer System)
Applies to: Electrical Permit
- 1
Rough-In
Electrical permit holders must call for rough-in inspection and give 48 hours' notice before covering up the work
- 2
Final
Final inspection by a State Electrical Inspector; all wiring must meet National Electrical Code requirements
Final inspection only: Change of Use / Zoning Compliance Permit, Fire Sprinkler / Fire Alarm Permit, Solar Panel Permit
Sources & verification
Verified against official sources. Last reviewed 2026-07-02.
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 Unincorporated Yellowstone County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
Unincorporated Yellowstone County building permits
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