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Warren, MI Building Safety: Plumbing Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Adopted code
Michigan Plumbing Code (incorporates IPC)
Enforcing division
Buildings and safety engineering
Refund window
6 months, before inspection
Refund amount
80% of fees paid
Minimum retained
$30.00 per canceled permit

Summary

Warren enforces the Michigan Plumbing Code, which incorporates the International Plumbing Code, for every plumbing installation in the city. The division of buildings and safety engineering issues permits, inspects the work and collects fees set by city council resolution.

The Michigan Plumbing Code as found in Part 7 of the Department of Consumer and Industry Services Construction Code as adopted by the State of Michigan and which incorporates the International Plumbing Code, as amended and filed with Secretary of State, is hereby adopted by reference together with any and all amendments and is made a part of this chapter as if fully set forth in this section. The Code Official authorized by ordinance shall administer and enforce the code. The code is available for purchase and inspection at the office of the City Clerk. ... Section P-113.2. Authorization of fee schedule. The permit fees for all plumbing permits and inspections shall be collected by the division of buildings and safety engineering in accordance with the fee schedule established by resolution adopted by city council.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 102).

Full Breakdown

City Code Sec. 9-126 adopts the Michigan Plumbing Code, found in Part 7 of the state's Construction Code, by reference together with any and all amendments, making it part of Chapter 9 as if fully set out. The code official administers and enforces it, and a copy is available for purchase and inspection at the Office of the City Clerk. 2, puts fee authorization with the division of buildings and safety engineering, which collects plumbing permit and inspection fees under a schedule city council adopts by resolution rather than a flat amount printed in the ordinance.

3 to set a uniform cancellation and refund rule: a permit holder may ask the building official in writing to cancel an unused permit within six months of issuance and before any inspection or exercise of the permit's privileges. 00 from every canceled permit no matter the original fee. Because the plumbing code is adopted by reference rather than reprinted in the ordinance, contractors and homeowners pulling a permit need both this section and the current printed Michigan Plumbing Code to know the technical installation standards; the ordinance itself governs administration, fee authority, refunds and who enforces the rules within city limits.

Violations & Fines

Working without a permit or against the adopted Michigan Plumbing Code is enforced by the code official in the division of buildings and safety engineering, who can order corrective inspection or stop work. Cancel an unused permit within six months, before any inspection, to qualify for an 80 percent refund; the city treasurer keeps at least $30.00 of any canceled permit regardless of the fee paid.

Frequently Asked Questions

What plumbing code does Warren, Michigan use?
Warren adopts the Michigan Plumbing Code by reference under City Code Sec. 9-126, which is Part 7 of the state Construction Code and incorporates the International Plumbing Code with Michigan's amendments as filed with the Secretary of State.
Who issues plumbing permits in Warren?
The division of buildings and safety engineering collects plumbing permit and inspection fees and the code official administers and enforces the adopted plumbing code under Sec. 9-127(b), following the fee schedule city council sets by resolution.
Can I get a refund if I cancel a plumbing permit?
Yes. Sec. 9-127(c) lets you cancel an unused permit in writing within six months of issuance, before any inspection, for an 80 percent refund of fees paid; the city treasurer keeps a minimum of $30.00 regardless of the amount refunded.

Sources & Official References

Other rules in Warren

All Warren rules

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