Building Inspector
Walter Grotelueschen
Town Hall Phone: (262) 675-0415
Home Office Phone: (262) 675-0909
Email: building@townoftrenton.wi.gov
Office Hours - Wednesdays - 3:00 - 5:00 p.m.
Building Permit Forms: PLEASE NOTE — Building permits and plans should not be submitted via email.
WI DSPS Online Building Permit System
Building Permit Application (PDF)
Driveway Culvert Permit Application (PDF)
Electrical Permit Application (PDF)
Plumbing Permit Application (PDF)
Washington County Land Resources Permit Application Review Form
Washington County Permit Review Form Instructions
The following form is for informational purposes only.
The official application must be obtained at the Town Hall.