Driveway width, surfacing, and curb cuts in Bellevue are regulated by LUC 20.20.590 and the Transportation Development Code, with right-of-way permits required for curb modifications.
Bellevue driveway standards appear in Land Use Code LUC 20.20.590 and the Bellevue Transportation Development Code. In most single-family residential zones, driveway width is limited to 20 feet at the property line for two-car driveways, with a maximum of one driveway per 50 feet of street frontage. Multi-family and commercial driveways have separate standards tied to trip generation. Driveway surfaces must be paved with asphalt, concrete, pavers, or similar durable material; gravel driveways are typically only allowed on flag lots or in rural holdouts. Driveway slopes generally cannot exceed 15 percent, with steeper approaches needing engineered review. Any new curb cut or modification to an existing one requires a right-of-way use permit from the Transportation Department, ensuring sight distance, drainage, and ADA ramp coordination are preserved. Parking on unpaved portions of the front yard is prohibited. Blocking the sidewalk with a parked vehicle is a violation under BCC 11.23. Stormwater runoff from new driveways may trigger flow-control requirements if impervious surface exceeds 2,000 square feet.
Contact your local code enforcement office for specific penalty information.
Bellevue, WA
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Bellevue, WA
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Bellevue, WA
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Side-by-side rule comparisons with other cities in King County.
See how other cities in King County handle driveway rules.
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