Town of Sumner
Jefferson County, Wisconsin
Last verified September 17, 2026
Town of Sumner is a jurisdiction in Jefferson County, Wisconsin, with an online portal for searching and pulling active or historical building permits. Use the contact information below to reach the local building department, or the mailing address if the jurisdiction needs to be listed as a certificate holder on a contractor's insurance documentation.
Contact
Certificate Holder Mailing Address
Town ClerkDave Geraths, Permit Reviewer (General Engineering Company)
N1525 Church Street
Edgerton, WI 53534
Use this address when the jurisdiction needs to be listed as a certificate holder on a contractor's insurance documentation.
Additional Notes
One of TWO unrelated Towns of Sumner in Wisconsin (the other in Barron County) — verified independently via the sumner-jc-wi.gov domain ('jc' = Jefferson County) and its Edgerton, WI address, confirming Jefferson County; this is also distinct from the Village of Sullivan and Town of Sullivan, both also in Jefferson County. Building permit applications are submitted via the GEC portal and reviewed by Dave Geraths of General Engineering Company (dgeraths@generalengineering.net), with the Town Clerk copied.
What You Need Before Applying for a Permit
Most building departments ask for the same core package before they'll issue a permit: a completed application naming the property owner and contractor, the contractor's state license number and proof of insurance (general liability, and workers' comp if employees are on the job), a notice of commencement or equivalent recorded filing for larger jobs where the state requires one, and scaled plans or a site plan for anything beyond minor repairs. Roofing, fence, pool, and solar permits typically have their own simplified checklists — Town of Sumner's department (above) can confirm exactly what applies to your project.
Why this matters for insurance: permit history is one of the first things an underwriter or adjuster checks. Unpermitted work — a finished basement, an added bedroom, a rebuilt roof — can complicate a claim or even void coverage for that portion of the loss, and it routinely surfaces during a home inspection. Pulling the right permit up front, and keeping the closed-permit record on file, protects both the property's value and its insurability at resale.
More in Jefferson County
See Jefferson County property and court records →
Other building permit jurisdictions in Jefferson County:
- Town of Aztalan
- Town of Cold Spring
- Town of Concord
- Town of Farmington
- City of Fort Atkinson
- Town of Hebron
- Town of Ixonia
- City of Jefferson
- Town of Jefferson
- Village of Johnson Creek
- Town of Koshkonong
- Village of Lac La Belle
- City of Lake Mills
- Town of Lake Mills
- Town of Milford
- Town of Oakland
- Village of Palmyra
- Town of Palmyra
- Village of Sullivan
- Town of Sullivan