Do I Need a Permit to Replace a Sewer Line in Wisconsin?
Sewer line replacement requires a plumbing permit and may require a right-of-way permit if work extends to the public sewer main.
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
Do I need a permit to replace my sewer lateral?
Yes. Sewer line work requires a plumbing permit. If the work extends into the public right-of-way, you also need a right-of-way excavation permit from the municipality.
Is the homeowner responsible for the sewer line?
In most Wisconsin municipalities, the homeowner owns and is responsible for the sewer lateral from the house to the public sewer main (typically at the property line or center of the street).
How much does sewer line replacement cost?
Traditional open-trench replacement costs $3,000-$15,000 in Wisconsin. Trenchless lining methods cost $6,000-$12,000 and minimize yard damage.
Building in multiple cities?
See permit requirements for any Wisconsin municipality instantly. Compare fees, timelines, and processes side by side across your active jurisdictions.