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
Permit applications and digital plans can be submitted via email to Permits@townoftrenton.wi.gov
Payments must be made via check or cash at this time.
WI DSPS Online Building Permit System
Building Permit Application (fillable PDF) - Paper building plans must accompany applications for large projects (NEW HOME, REMODEL, ACCESSORY STRUCTURE)
Driveway Culvert Permit Application (fillable PDF)
Electrical Permit Application (fillable PDF)
HVAC Permit Application (fillable PDF)
Plumbing Permit Application (fillable PDF)
Washington County Permit Signoff Self Certification Form
Washington County Permit Application Review - Instructions
The following form is for informational purposes only.
The official application must be obtained at the Town Hall.