A built-in outdoor kitchen in Detroit requires separate trade permits from BSEED for any gas line, electrical, or plumbing work, plus a building permit if it includes structural elements (counter walls, roofed pergola, foundation). Simple uncovered freestanding grills do not require permits.
Detroit treats outdoor kitchens as a combination of trade permits administered by the Buildings, Safety Engineering, and Environmental Department (BSEED). The Michigan Mechanical Code (adopted by Detroit Code Chapter 8) requires a mechanical permit for any new natural-gas line extension to a built-in grill, including the pressure test and final inspection. The Michigan Plumbing Code requires a plumbing permit for any new sink, ice-maker line, or hose-bib added to the outdoor kitchen. The Michigan Electrical Code requires an electrical permit for any new GFCI-protected outlets, lighting, or refrigerator circuits — outdoor outlets must be GFCI-protected and rated for damp/wet locations. If the outdoor kitchen includes a structural element — a poured concrete foundation, a roofed pergola or pavilion, or any structure greater than 200 sq ft — a building permit is also required under Chapter 8. Outdoor kitchens must observe zoning setback rules under Chapter 50 for accessory structures (typically 3 ft from rear/side property lines for unroofed structures, more for roofed). Historic District properties need a Certificate of Appropriateness from the HDC for visible installations.
Unpermitted gas/electrical/plumbing work: BSEED stop-work order, double permit fees on after-the-fact applications, and required exposure of concealed work for inspection. Unpermitted gas lines may result in DTE Energy disconnecting service to the meter until corrected.
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See how Detroit's outdoor kitchen permits rules stack up against other locations.
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