Do I Need a Permit to Add a Bedroom in Wisconsin?
Converting a room to a bedroom requires a building permit to ensure egress window requirements and other habitability standards are met.
Yes, you typically need a permit. Requirements vary by municipality. Check with your local building department for specifics.
Where to Apply
Permit requirements, fees, and processing times vary by municipality. Check the specific requirements for your location:
Browse all jurisdictions →Frequently Asked Questions
What makes a room a legal bedroom in Wisconsin?
Under the UDC, a legal bedroom requires minimum 70 sq ft of floor area, at least 7 feet in each dimension, a closet (in most municipalities), an egress window, electrical outlets, and heat source access.
Do I need a permit to convert a den to a bedroom?
If you need to add an egress window or modify the room to meet bedroom requirements, yes. If the room already meets all bedroom code requirements, some municipalities may not require a permit for the designation change.
Can a basement room be a legal bedroom?
Yes, if it meets all requirements including egress window with properly sized window well, minimum ceiling height (7 feet), and moisture protection.
Building in multiple cities?
See permit requirements for any Wisconsin municipality instantly. Compare fees, timelines, and processes side by side across your active jurisdictions.