Building Permits in Green Bay, Wisconsin
Part of Brown County.
We checked Green Bay's own official pages for 15 types of projects (shed, fence, deck, roof, pool, patio, garage, hvac, electrical, plumbing, driveway, home addition, demolition, windows, water heater). Permits are issued by City of Green Bay. Every rule below links to the page it was taken from, so you can confirm it before you start work. Last verified September 29, 2026.
Verified permit information is available for 14 project types in Green Bay.
Verified Permit Categories
- Shed Permit Depends
- Fence Permit Depends
- Deck Permit Yes
- Pool Permit Yes
- Patio Permit Yes
- Garage Permit Yes
- HVAC Permit Yes
- Electrical Permit Yes
- Plumbing Permit Yes
- Driveway Permit Yes
- Home Addition Permit Yes
- Demolition Permit Verified details
- Windows Permit Depends
- Water Heater Permit Depends
Green Bay rules in detail
Shed
- Permit required
- Depends source: greenbaywi.gov
- Exempt from a permit
- Sheds less than 50 square feet do not require a building permit. source: greenbaywi.gov
- Size limit (sq ft)
- 50 source: greenbaywi.gov
- Setback (ft)
- Front setback 25 ft; rear setback 4 ft (2-½ ft if lot narrower than 90 ft); side setback 4 ft (2-½ ft if lot narrower than 60 ft) source: greenbaywi.gov
Fence
- Permit required
- Depends source: greenbaywi.gov
- Conditions
- A permit is required only if the fence is over 50 feet long. source: greenbaywi.gov
- Exempt from a permit
- Fences under 50 feet long do not require a permit, though zoning setbacks and restrictions still apply. source: greenbaywi.gov
- Fee
- $75 permit fee for Residential and $100 permit fee for Commercial source: greenbaywi.gov
Deck
- Permit required
- Yes source: greenbaywi.gov
Roof
- Exempt from a permit
- Residential reroofing without structural changes, such as replacing plywood sheathing, does not require a permit. source: greenbaywi.gov
- Conditions
- A roofing permit is required for residential reroofing that involves structural changes. source: greenbaywi.gov
Pool
- Exempt from a permit
- Small kiddie pools do not require a permit. source: greenbaywi.gov
- Permit required
- Yes source: greenbaywi.gov
Patio
- Permit required
- Yes source: greenbaywi.gov
Garage
- Permit required
- Yes source: greenbaywi.gov
HVAC
- Permit required
- Yes source: greenbaywi.gov
Electrical
- Permit required
- Yes source: greenbaywi.gov
Plumbing
- Permit required
- Yes source: greenbaywi.gov
Driveway
- Permit required
- Yes source: greenbaywi.gov
Home Addition
- Permit required
- Yes source: greenbaywi.gov
Demolition
- Conditions
- A permit is required to raze a building over 150 square feet. source: greenbaywi.gov
- Size limit (sq ft)
- 150 source: greenbaywi.gov
- Exempt from a permit
- Razing a building under 150 square feet does not require a permit. source: greenbaywi.gov
Windows
- Permit required
- Depends source: greenbaywi.gov
- Exempt from a permit
- Exact residential window replacement does not require a permit. source: greenbaywi.gov
Water Heater
- Permit required
- Depends source: greenbaywi.gov
- Exempt from a permit
- Replacing a water heater with the same type (electric to electric or gas to gas) does not require a permit. source: greenbaywi.gov
Not yet verified
These permit categories do not yet have enough verified information to publish a linked permit page.
- Roof
- Pergola
- Carport
- Tree Removal
- Solar Panels
- ADU
Where to apply
City of Green Bay · official website