Building Permit Information

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.

Plan Review Checklist

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

Fire Number Order Form

Mailbox Guidelines