Building departments in Minnesota operate under authority granted by state construction laws and local ordinances, enforcing state-adopted building codes that govern the design, construction, and occupancy of residential and commercial structures. Each municipality and county in Minnesota may adopt local amendments, so permit requirements can vary by jurisdiction.

Building Departments locations are available in 87 cities across Minnesota. They are spread across 59 counties.

Cities with the highest concentration include St. Paul, Minneapolis, Owatonna, where large municipal building departments process high volumes of commercial and residential permit applications and maintain dedicated plan review staff for complex projects.

Residents of Minnesota planning construction projects should contact their local building department early in the design process to understand permit requirements, setback rules, and inspection scheduling procedures before work begins.

Building Departments by Counties

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In Minnesota, building permit records are generally public documents available for inspection at the issuing office. Property buyers and contractors can request permit history for a specific address to verify that prior work was properly permitted and inspected. Many Minnesota building departments now offer online permit status tracking and digital plan submission portals.

Browse Building Departments by county across Minnesota to find the nearest location.