Water Heater Permit in Green Bay, Wisconsin
- Permit Required
- Depends
- Authority
- City of Green Bay
- Last Verified
- 2026-09-29
What the official source says
“Water Heater New Yes Inspections”
greenbaywi.gov
“Water Heater Replacement-Same Type (Electric to electric or gas to gas) No”
greenbaywi.gov
Verify before you build — primary source for this page: https://www.greenbaywi.gov/977/Do-I-Need-a-Permit
Permit Requirements
Exemptions
Replacing a water heater with the same type (electric to electric or gas to gas) does not require a permit.
How to apply
- Confirm the rules for your address with City of Green Bay — the official sources on this page are the place to start.
- Prepare a simple site plan or drawing showing where the water heater work goes and its size.
- Submit the application and pay the permit fee.
- Schedule the required inspections and keep the approved permit on site.
More detail: our water heater permit guide.
Building Department
City of Green Bay
Official Sources
FAQ
Do I need a water heater permit in Green Bay, Wisconsin?
It depends on the project. The official source says: “Water Heater New Yes Inspections”
Is there a size or height limit before a water heater permit is needed in Green Bay?
Exempt: Replacing a water heater with the same type (electric to electric or gas to gas) does not require a permit.
Where do I apply for a water heater permit in Green Bay?
Applications go to City of Green Bay.