Minnesota Building Permits — Complete Guide (2026)
Find, Apply & Track Permits in Cities and Counties Across Minnesota
Minnesota has a mandatory statewide building code with one of the deepest frost requirements in the continental US. Minneapolis-St. Paul leads in permit volume. Minnesota's energy code is among the strictest in the nation.
How building permits work in Minnesota
Building permit requirements and processing times in Minnesota vary by city and county. Use the links below to apply, check status, schedule inspections and find permit information for your location.
Learn the step-by-step permit process →Not sure where to apply?
Enter your city or address to find your permit office.
Permit costs by type — Minnesota
| Permit Type | Fee Range | Processing Time | Notes |
|---|---|---|---|
| Electrical | $100–$275 | 1–5 days | NO homeowner electrical exemption in MN |
| Plumbing | $90–$250 | 1–5 days | NO homeowner plumbing exemption in MN |
| HVAC / Mechanical | $100–$275 | 2–6 days | Furnace/boiler replacement high volume |
| Roofing | $125–$350 | 1–4 days | Snow load design critical statewide |
| New Construction | $600–$1,800 | 2–6 weeks | Energy code adds cost vs. other states |
| Room Addition | $350–$950 | 2–5 weeks | Frost depth 42–72 inches depending on area |
| Deck / Patio | $150–$450 | 1–4 weeks | Very deep frost footings required |
| ADU | $350–$900 | 2–5 weeks | Minneapolis adopted ADU ordinance 2020 |
| Pool | $175–$475 | 1–4 weeks | Short season but barrier required |
| Solar | $100–$275 | 1–5 days | Minnesota solar incentives available |
Major Minnesota cities — apply online
Most Minnesota building permits are issued by cities. Click your city to access the permit portal, apply online, or check permit status.
Permit costs by county — top Minnesota counties
County building departments handle unincorporated areas. Click a county to access its permit portal directly.
How to get a building permit in Minnesota
Contact your municipality's building department
The Minnesota State Building Code applies statewide. Minneapolis (CPED) and St. Paul have online systems. Suburban and outstate MN systems vary.
Understand Minnesota's strict trade licensing
Minnesota does not allow homeowner electrical or plumbing work. All electrical and plumbing must be done by state-licensed contractors. This is unique among Midwest states.
Submit plans for structural work
Additions and new construction require architectural plans. Minnesota energy code compliance (MnECC) is required.
Pay fees
Minnesota fees are moderate. Trade permits are flat-rate. Construction permits based on valuation.
Phase inspections
Minneapolis and St. Paul have robust inspection systems. Greater Minnesota jurisdictions may have shared inspectors with longer wait times.
ADU permits in Minnesota — what you need to know
🏠 Minnesota ADU-friendly status: Partial — improving
Minnesota passed legislation in 2023 allowing ADUs statewide in single-family zones. Minneapolis has been a leader — it eliminated single-family zoning in 2020, making ADUs and duplexes allowed city-wide. Saint Paul followed with similar reforms.
Find a licensed Minnesota contractor
Minnesota requires licensed professionals for most permitted work. Always verify a contractor's license before hiring — it protects you and is required for most permit types.
General Contractors
Find pre-screened general contractors for your Minnesota home project. Compare quotes on permitted work.
Find a Contractor →Verify MN License
Verify your contractor holds a valid Minnesota Department of Labor & Industry license before any permitted work begins.
Verify MN License →Electricians & Plumbers
Specialty-licensed electricians and plumbers are required for all permitted electrical and plumbing work in Minnesota.
Learn More →Ready to get started? Browse verified, licensed contractors serving Minnesota homeowners and get free quotes on your project.
🔍 Find a Contractor Near YouFrequently asked questions — Minnesota permits
Disclaimer: HousePermits.com is an independent resource and is not affiliated with any government agency.