Shed permit rules in Boise, ID — also referred to as storage shed, backyard shed, or accessory building regulations — set size limits, setbacks, and when a building permit is required.
Sheds 200 sq ft or smaller in Boise do not require a building permit but must meet zoning setback rules (typically 3 ft side/rear). Larger structures require a permit and must comply with lot coverage limits.
Under Idaho Residential Code and Boise Development Code Chapter 11-04-03, one-story accessory structures 200 sq ft or less are exempt from building permits but still must meet zoning. Setbacks are typically 3 ft from side and rear property lines for sheds under 10 ft tall. Structures over 200 sq ft or with electrical or plumbing require a building permit through Planning and Development Services. Maximum coverage by all accessory structures is 30% of the rear yard in most R-1 zones. Height limit for accessory structures is 15 ft at the rear setback line with taller allowed at greater setbacks. Foothills Hillside Overlay adds additional review. Prefab sheds still need zoning compliance even if permit-exempt.
Contact your local code enforcement office for specific penalty information.
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See how Boise's shed rules rules stack up against other locations.
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