County Permitting Hub • 6 ZIP Codes

Jefferson County, MT Building Permits & Cost Intelligence

Official residential permit requirements, inspection workflows, and local contractor wage rates across Jefferson County, Montana for 2026.

Base Permit Fee

$169.85

Municipal Filing Tier

BLS Trade Wage

$25.72/hr

Local Labor Benchmark

Median Housing Age

31 Yrs

Built Circa 1995

Postal Zones

Primary: 59631

Jefferson County Project Permitting Guides

Select a residential remodeling category below to launch localized calculators, building codes, and inspection steps.

Complete roof replacement rules, code inspection requirements, and real-time calculator.

Complete hvac system installation rules, code inspection requirements, and real-time calculator.

Complete electrical panel upgrade rules, code inspection requirements, and real-time calculator.

GPS: 46.1825° N, -112.0355° W

Dedicated Hubs

Official Authority

Jefferson County, MT