Garages & Accessory Buildings

To construct or perform work on an accessory building, garage, shed, etc., start with a permit application.

Garages And Accessory Buildings

To construct or perform work on an accessory building—garage, shed, etc.—complete a permit application and submit:  

  • One copy of a sealed mortgage survey without modifications
  • Three sets of construction plans
  • Three site plans indicating size, shape, placement and distance from property lines, and easements of the proposed garage
  • A separate permit is required for electrical service

Community and Economic Development

Kathy McClintic


Garage & Accessory Building FAQs

Please explore the dropdown tabs below, where you will find FAQs regarding information and services from the City Clerk’s Office. For additional questions, not covered on this page, contact the City Clerk’s Office at 248-546-2525

What are the requirements for foundations and rat walls?

Unattached frame garages and sheds 600 square feet or less shall be built on a concrete slab no less than 4 inches thick and 4 inches wide for a 24-inch rat wall. Anchor bolts (minimum 1/2 inch diameter) shall be set 2 inches above and 7 inches below concrete, 6 feet on center and within 1 inch of corners with 2 anchors minimum (per wall section).

Masonry garages and masonry fronts on frame garages and all structures over 600 square feet must be built on a foundation or footing at least 12 inches wide that extends at least 42 inches below finished grade to undisturbed soil. On all construction attached to and made structurally a part of the residence, a 42-inch foundation or footing is required.

Concrete shall be designed to have a minimum compressive strength of 3,500 pounds per square inch (psi) at 28 days. If air-entrained concrete is used, the ultimate compressive strength may be reduced to 3,000 psi at 28 days.