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 - Paper building plans must accompany applications for the following projects:
- New Home
- Addition
- Remodel
- Deck
- Fence
- Accessory Structure (shed, detached garage, etc)
When building outside the existing footprint of any structure, such as an addition, deck or accessory structure, complete the following:
- Washington County Permit Signoff Self Certification Form
- Washington County Permit Application Review - Instructions
Driveway Culvert Application - Required for new homes or when changing the driveway surface
- Solar Energy Systems Checklist - Required for roof or ground solar installation