PlainPermit

Do I need a permit for a deck in Detroit, MI?

Short answer: It depends on the details for a deck in Detroit, MI (for example: Over 200 sq ft: permit).

Last verified: · Confidence: medium · Status: Verified from official source

Not legal advice. Always confirm with your local building department. Rules change, and your parcel's zoning, HOA, historic district, floodplain or utility work can change the answer. We show the official source and the date we last checked it so you can verify for yourself.
Depends on your project Confidence: medium

BSEED lists decks up to 200 sq ft as exempt from a building permit. Larger decks need one.

What changes the answer

Note: The guide lists the deck exemption for homeowner (DIY) work only.

Cost

Fee not extracted; see the BSEED fee schedule. Unverified, confirm locally

Fee source: https://detroitmi.gov/departments/buildings-safety-engineering-and-environmental-department-bseed/building-permits

Where to apply

City of Detroit BSEED (Accela online portal or Development Resource Center)

Permitting authority: City of Detroit Buildings, Safety Engineering and Environmental Department (BSEED). Local historic districts need a permit for all exterior work. Based on BSEED's "Do I Need a Building or Trade Permit?" guide. See also: how to apply for a building permit.

Official sources

“Decks not exceeding 200 square feet”

Source: https://detroitmi.gov/sites/detroitmi.localhost/files/2025-12/Do%20I%20NEED%20A%20PERMIT_0.pdf

“If your property is located within a local historic district, a permit is required for all exterior work.”

Source: https://detroitmi.gov/sites/detroitmi.localhost/files/2025-12/Do%20I%20NEED%20A%20PERMIT_0.pdf

Verified: · Status: verified · Confidence: medium

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Other projects in Detroit

Deck permits in other cities

Compare deck permit rules in all 48 cities · All Michigan cities