Plumbing Work Permit Requirements in Novi, MI

BSA Online uid=362. Oakland County.

Population: 66,243 Code: 2015 Verified: 2026-04-10 4 local rules

When you DON'T need a permit

Replacing a plumbing fixture in the same location does not require a permit.

Source: Michigan Building Code / 2021 IRC with local amendments

When you DO need a permit

Adding a new plumbing fixture requires a plumbing permit.

Estimated fee: $25 – $100

Typical timeline: About 1 week

Source: Michigan Building Code / 2021 IRC with local amendments

Water heater replacement requires a plumbing permit.

Estimated fee: $50 – $125

Typical timeline: 5 business days

Source: Michigan Building Code / 2021 IRC with local amendments

Rerouting plumbing lines requires a plumbing permit.

Estimated fee: $100 – $350

Typical timeline: About 2 weeks

Source: Michigan Building Code / 2021 IRC with local amendments

Plumbing Work Permit Costs: Novi vs. Nearby

Novi comes in on the low side for Michigan. You're looking at $25 – $350 here, compared to the state average of $64 – $230.

CityEstimated Fee
Novi $25 – $350
Detroit $75 – $250
Detroit $50 – $150
Detroit $150 – $600

Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation.

Zoning & HOA Considerations

HOA Communities

If you live in an HOA community: plumbing work is generally interior and does not require HOA approval. However, exterior plumbing changes (new cleanouts, sewer line work, visible piping) may need review in some communities.

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Building Department Contact

NameCommunity Development Department
Address45175 Ten Mile Road, Novi, MI 48375
HoursMon-Fri 8am-5pm

Frequently Asked Questions

Estimated permit fees for Plumbing Work projects in Novi, MI range from $25 – $100. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Plumbing Work projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.

Working without a required permit in Novi can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.

Typical approval time for Plumbing Work permits in Novi is About 1 week. More complex projects may take longer if plan review is required.

If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate — you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.

Learn More About Plumbing Work Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read Plumbing Work Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-04-10. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.