Garage / Carport Permit Requirements in Grand Rapids, MI

Michigan statewide 2015 IRC. Court order blocked update to 2021.

Population: 200,117 Code: 2015 Verified: 2026-03-21 5 local rules

When you DON'T need a permit

Small detached garages (120 sq ft or less) may be treated as exempt accessory structures in Grand Rapids, MI.

Source: City of Grand Rapids Code / 2015 MI Residential Code

When you DO need a permit

Detached garages over 120 sq ft require a building permit in Grand Rapids, MI.

Estimated fee: $300 – $1,300

Typical timeline: About 2 weeks

Source: City of Grand Rapids Code / 2015 MI Residential Code

Attached garages require a building permit in Grand Rapids, MI. Fire separation from dwelling is required.

Estimated fee: $350 – $1,500

Typical timeline: About 3 weeks

Source: City of Grand Rapids Code / 2015 MI Residential Code

Carports require a building permit in Grand Rapids, MI.

Estimated fee: $210 – $900

Typical timeline: About 2 weeks

Source: City of Grand Rapids Code / 2015 MI Residential Code

Converting a garage to living space requires multiple permits in Grand Rapids, MI.

Estimated fee: $265 – $1,125

Typical timeline: About 3 weeks

Source: City of Grand Rapids Code / 2015 MI Residential Code

Zoning Note

Detached garages and carports may require zoning approval for setback and lot coverage compliance. Garage conversions to living space may trigger zoning occupancy requirements.

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Building Department Contact

NameDevelopment Center
Address1120 Monroe Ave NW, 3rd Floor, Grand Rapids, MI 49503
HoursMon-Fri 7:30am-4pm

Frequently Asked Questions

Estimated permit fees for Garage / Carport projects in Grand Rapids, MI range from $300 – $1,300. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Garage / Carport 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 Grand Rapids 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 Garage / Carport permits in Grand Rapids is About 2 weeks. More complex projects may take longer if plan review is required.

Learn More About Garage / Carport Permits

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

Read Garage / Carport Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-03-21. 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.