Green Bay, WI Building Safety: Plumbing Permits (2026)
Key Facts
- Permit required for
- any work meeting state "plumbing" definition
- Filed with
- Director, Community & Economic Development
- Late-start penalty
- permit fee doubled
- Permit lapses
- 6 months to start, 1 year to finish
- Adopted code
- Wisconsin State Plumbing Code, Wis. Stats. Ch. 145
Summary
Green Bay requires a permit before any work meeting the state definition of "plumbing" begins, filed with the Director, under the adopted Wisconsin State Plumbing Code.
(a)Permit required. A permit is required to perform work that constitutes "plumbing" as that term is defined in Wis. Stats. § 145.01(10). ... (b)Application.(1)Application for a permit shall be filed with the Director on a blank form furnished for that purpose. No work shall be started before a permit has been issued.
Full Breakdown
City Code § 8-360 requires a permit for any work that constitutes "plumbing" under Wis. Stats. § 145.01(10). Applications go to the Director of Community and Economic Development on a City form before work starts, and may be filed by licensed master plumbers, restricted master plumbers, utility contractors, or qualified homeowners. A permit lapses if work isn't begun within six months or finished within one year. All plumbing must comply with the adopted Wisconsin State Plumbing Code (Wis. Stats. Ch. 145; Wis. Admin. Code SPS Chs. 325, 381-387) under § 8-355.
Violations & Fines
Starting work before a permit is issued doubles the fee under § 8-360(e)(2); non-compliant work can bring permit revocation, a stop-work notice, and a hearing before the Board of Appeals.
Frequently Asked Questions
Do I need a permit for DIY plumbing work in Green Bay?
What happens if plumbing work starts without a permit?
Sources & Official References
Other rules in Green Bay
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Plumbing Permits in Nearby Cities
How other cities in Brown County handle plumbing permits.