What building code applies to new single-family homes in Bozeman?

The 2021 International Residential Code (IRC) as adopted statewide by Montana (ARM 24.301.154), enforced locally by the City of Bozeman's certified Building Division. Montana plans to move to the 2024 ICC code family statewide in mid-2026; check the Adopted Codes page for the effective date before submitting.

Who actually issues my building permit in Bozeman — the city or the state?

The City of Bozeman, because it is a certified local government building code enforcement jurisdiction under MCA 50-60-302, confirmed on the Montana DLI Building Codes Bureau's own certified-jurisdiction list. Only areas of Montana without a certified local program (including unincorporated Gallatin County) are permitted directly by the state Building Codes Bureau in Helena.

Residential New Construction Permit in Bozeman, Montana

Verified

Required for construction of new single-family, two-family, or townhome dwellings in Bozeman. Reviewed under the 2021 IRC via the ProjectDox electronic plan review portal.

Verified 2026-07-02 · Source

From(Administrative Charges/Employee/Hour + Inspector's Hourly Pay Rate) x Table A factor (amount of inspection time per sq ft, by construction type and fire rating) x Building Square FootageBuilding Permit Fee (formula-based) — see all 5 fees below

When you need this permit

Applies to construction of NEW single-family, two-family, or townhome dwellings
Submit through ProjectDox (electronic plan review) after creating a permit application via the online portal
2021 Residential Checklist must be satisfied before submittal is accepted at pre-screen
Site-specific geotechnical (soils) analysis required at permit application; Final Observation Report required prior to footing inspection
Landscape & Irrigation Self-Certification Form required for new construction (per Ordinance 2155 / Resolution 5586, effective for projects not through prescreen by June 14, 2024)
Storm Water Permit required (applied for separately)

Required documents

Required
2021 Residential Checklist (PDF)
Bozeman's required submittal checklist for new single-family/two-family/townhome construction
Required
Landscape & Irrigation Self-Certification Form (PDF)
Required for new construction to certify compliance with updated Landscape and Irrigation Design Standards
Required
Water Service Fixture Count (PDF)
Documents fixture count for water meter sizing; counts over 39 require confirmation from City Shops (582-3200) that the main will support a larger meter
Required
Sump Drain Policy acknowledgment (PDF)
Required acknowledgment of the city's sump drain policy
Required
Site Drainage Self Certification Form (PDF)
Certifies site drainage plan compliance
Required
Truss/Structural Calculations
Required construction-related structural documentation
Required
Preliminary Soil Analysis
Required geotechnical documentation submitted with the application

Fee schedule

Fee type	Amount	Notes
Building Permit Fee (formula-based)	(Administrative Charges/Employee/Hour + Inspector's Hourly Pay Rate) x Table A factor (amount of inspection time per sq ft, by construction type and fire rating) x Building Square Footage	Bozeman Municipal Code Sec. 10.02.020, as amended by Ordinance 2143 (2023); specific current dollar-figure Table A/B/C values are published only in the FY26 Building Fee Schedule PDF distributed via the City's Building Checklists, Forms, and Guides page — that document could not be independently retrieved this session (see confidence notes); the formula and methodology above are verified verbatim from the ordinance text and the city's official FY26 update notice.
Plan Review Fee (formula-based)	(Administrative Charges/Employee/Hour + Plans Examiner Hourly Pay Rate) x Table B factor (amount of plan review time per sq ft, by construction type and fire rating) x Building Square Footage	Bozeman Municipal Code Sec. 10.02.020, as amended by Ordinance 2143 (2023)
Construction valuation basis	ICC Building Valuation Data, February 2025 edition, with a Cost Modifier of 70% applied to new-square-footage fees (increased from 60%, per the three-year escalation scale) and a 'Bozeman Multiplier' of .0051 (Building fund annual budget / prior-year permitted valuation, decreased from .0078)	City of Bozeman 'Building Fee Update' notice, effective July 1, 2025 (FY26); Resolution 5287 (April 2021) adopted the ICC valuation methodology
Reinspection Fee	Based on extra time expended multiplied by the building inspector's total hourly rate; minimum 2 hours	Bozeman Municipal Code Sec. 10.02.020(A)(6)(a), as amended by Ordinance 2143
Work commenced without a permit	Additional fee not to exceed twice the permit fee amount	Bozeman Municipal Code Sec. 10.02.020(B)(4)

Review timeline

~10–15 business days

Typical estimate — confirm current times with the Bozeman building department

Inspection process

1
Footing/Foundation
Requires a Final Observation (geotechnical) Report submitted prior to this inspection
2
Framing
Structural framing inspection before insulation or wall cover
3
Insulation
Insulation Installation Self-Certification Form may apply
4
Final
All work complete per approved, city-stamped plans; required before occupancy

Tips

One Structure = One Permit — a detached garage or other detached structure on the same lot needs its own separate permit.
Applications are created and processed through the ProjectDox Portal; review the applicable checklist BEFORE creating the application.
A representative must still physically visit the Professional Building office (20 East Olive St.) for permit issuance even though no paper plans need to be brought in for stamping.
Every permit becomes invalid if work is not commenced within 180 days of issuance, or if suspended/abandoned for 180 days; extensions up to 180 days each may be granted in writing for justifiable cause.
Plans Examiner appointments (30 minutes) are bookable via Vagaro for general code or permitting guidance.

Frequently asked questions

What building code applies to new single-family homes in Bozeman?: The 2021 International Residential Code (IRC) as adopted statewide by Montana (ARM 24.301.154), enforced locally by the City of Bozeman's certified Building Division. Montana plans to move to the 2024 ICC code family statewide in mid-2026; check the Adopted Codes page for the effective date before submitting.
Who actually issues my building permit in Bozeman — the city or the state?: The City of Bozeman, because it is a certified local government building code enforcement jurisdiction under MCA 50-60-302, confirmed on the Montana DLI Building Codes Bureau's own certified-jurisdiction list. Only areas of Montana without a certified local program (including unincorporated Gallatin County) are permitted directly by the state Building Codes Bureau in Helena.

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

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