How much does a building permit cost in Town of Trenton, WI?

The minimum permit fee is See current 2026 forms and posted fee schedule.. Fees are calculated as: Mixed by permit type with updated 2026 rates.. Plan check fee: Included through application and review process as applicable..

How do I apply for a building permit in Town of Trenton, WI?

1. Review the Building Permit Information page and determine whether the project needs a standard building permit, agricultural/commercial permit, electrical, HVAC, plumbing, driveway, culvert, or related permit. 2. Submit permit applications and digital plans by email to permits@townoftrenton.wi.gov; paper and digital plans are required for new homes, additions, remodels, decks, fences, and accessory structures. 3. Complete the Plan Review Checklist and, where the project extends outside the existing footprint, complete the Washington County Permit Signoff Self Certification Form and county self-certification instructions. 4. Pay by cash, check payable to Town of Trenton, or credit card/e-check through the posted MSB payment link. 5. Obtain permit issuance and complete required inspections with the building inspector.

How do I schedule a building inspection in Town of Trenton, WI?

Inspections can be scheduled via: Contact Walter Grotelueschen or submit through town permit email routing..

City Building Permits

Town of Trenton, WI - 2026 Building Permit Guide

How to apply for a building permit in Town of Trenton, Wisconsin. Permit authority, application steps, fees, and inspection requirements.

Wisconsin Washington County Updated March 2026

Permit Authority

Town has one of the strongest public permit pages in the county, with digital plan submission, payment options, permit checklists, and county signoff instructions.

Department: Town of Trenton Building Permit Information / Building Inspector
Address: 1071 Highway 33 E, West Bend, WI 53095
Phone: 262-675-0415 Town Hall and 262-675-0909 home office for the building inspector; general town phone 262-675-6009
Email: building@townoftrenton.wi.gov , permits@townoftrenton.wi.gov , townadmin@townoftrenton.wi.gov
Website: https://townoftrenton.wi.gov/building-permit-information/

Online Permit Portal

Open

Platform: Town of Trenton building permit information page • Account required: No • Submission: In-person only

Additional resources:

Application Process

Review the Building Permit Information page and determine whether the project needs a standard building permit, agricultural/commercial permit, electrical, HVAC, plumbing, driveway, culvert, or related permit.
Submit permit applications and digital plans by email to permits@townoftrenton.wi.gov; paper and digital plans are required for new homes, additions, remodels, decks, fences, and accessory structures.
Complete the Plan Review Checklist and, where the project extends outside the existing footprint, complete the Washington County Permit Signoff Self Certification Form and county self-certification instructions.
Pay by cash, check payable to Town of Trenton, or credit card/e-check through the posted MSB payment link.
Obtain permit issuance and complete required inspections with the building inspector.

Source: Town of Trenton Building Permit Information / Building Inspector

General Requirements

Town page expressly calls out new homes, additions, remodels, decks, fences, accessory structures, agricultural/commercial buildings, driveway work, and trade permits.

Required Documents

Permit application, digital plans, paper plans for listed project types, Plan Review Checklist, county signoff self-certification when building outside an existing footprint, and project-specific supporting forms.

Building code: Town page links directly to Wisconsin DSPS and Wisconsin SPS 321.08 guidance.
Owner-builder: DSPS online building permit system is linked for relevant Wisconsin processing.
Contractor requirements: State trade and dwelling requirements apply; applicants should use the current forms.

Fees

Minimum permit fee: See current 2026 forms and posted fee schedule.
Plan check fee: Included through application and review process as applicable.
Permit fee formula: Mixed by permit type with updated 2026 rates.
Reinspection fee: See current forms and fee schedule.
Payment note: Cash, check, credit card, and e-check are accepted; card and e-check fees apply.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the Town of Trenton Building Permit Information / Building Inspector to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

Contact Walter Grotelueschen or submit through town permit email routing. (contact)

Inspection hours: Building inspector office hours Wednesday 3:00 p.m. to 5:00 p.m.

Additional Resources

Building code: Town page links directly to Wisconsin DSPS and Wisconsin SPS 321.08 guidance.
Zoning information: View zoning info
Other useful links
Other useful links
License lookup guide: Wisconsin Contractor License Requirements
Contract template: Wisconsin Homeowner-Contractor Agreement
Wisconsin hub: Wisconsin Contractor License & Permit Hub

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Town of Trenton Building Permit Information / Building Inspector before applying.

Frequently Asked Questions

Town of Trenton Building Permit FAQ

Do I need a building permit in Town of Trenton, WI?: Town page expressly calls out new homes, additions, remodels, decks, fences, accessory structures, agricultural/commercial buildings, driveway work, and trade permits.
How much does a building permit cost in Town of Trenton, WI?: The minimum permit fee is See current 2026 forms and posted fee schedule.. Fees are calculated as: Mixed by permit type with updated 2026 rates.. Plan check fee: Included through application and review process as applicable..
How do I apply for a building permit in Town of Trenton, WI?: 1. Review the Building Permit Information page and determine whether the project needs a standard building permit, agricultural/commercial permit, electrical, HVAC, plumbing, driveway, culvert, or related permit. 2. Submit permit applications and digital plans by email to permits@townoftrenton.wi.gov; paper and digital plans are required for new homes, additions, remodels, decks, fences, and accessory structures. 3. Complete the Plan Review Checklist and, where the project extends outside the existing footprint, complete the Washington County Permit Signoff Self Certification Form and county self-certification instructions. 4. Pay by cash, check payable to Town of Trenton, or credit card/e-check through the posted MSB payment link. 5. Obtain permit issuance and complete required inspections with the building inspector.
How do I schedule a building inspection in Town of Trenton, WI?: Inspections can be scheduled via: Contact Walter Grotelueschen or submit through town permit email routing..

Need help with your project?

Navigating permits in Town of Trenton can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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