Shed permit rules in Kirkland, WA — also referred to as storage shed, backyard shed, or accessory building regulations — set size limits, setbacks, and when a building permit is required.
Kirkland sheds under 200 square feet typically do not need a building permit under WA IRC R105.2, though zoning setbacks, critical area rules, and electrical permits still apply.
Under the Washington State Building Code adopting International Residential Code Section R105.2, one-story detached accessory buildings used as tool and storage sheds with floor area not exceeding 200 square feet (120 square feet for IBC buildings) are exempt from building permits. Kirkland follows these state exemptions through KMC Title 21. However, building permit exemption does not waive zoning requirements in KZC: sheds must meet residential setbacks (typically 5 feet from side/rear property lines, more from the front), maximum lot coverage limits, and height limits (usually 15 feet for accessory structures). Sheds in critical area buffers, shoreline jurisdiction along Lake Washington, or on steep slopes require review. Electrical work in a shed requires a state L and I electrical permit regardless of size. Plumbing fixtures trigger a plumbing permit and a building permit. Large sheds 200 square feet and above require a full building permit. HOAs may impose their own restrictions in Kirkland neighborhoods.
Zoning violation if setback or coverage limits exceeded; unpermitted electrical work subject to state L and I penalties; stop-work orders for prohibited critical area placement.
Kirkland, WA
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Side-by-side rule comparisons with other cities in King County.
See how other cities in King County handle shed rules.
See how Kirkland's shed rules rules stack up against other locations.
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