Fence Requirements: Bellevue vs Seattle
How do fence requirements rules compare between Bellevue, WA and Seattle, WA?
Bellevue and Seattle have similar restriction levels.
Bellevue, WA
King County
Bellevue Land Use Code LUC 20.20.075 limits residential fences to 6 feet in rear and side yards and 42 inches in front yards; fences over 6 feet need a building permit.
View full Bellevue rules →Seattle, WA
King County
In unincorporated King County, front-yard fences may be up to 4 ft tall and side and rear fences up to 6 ft. Corner lots must keep vision clearance. Critical-area buffers may restrict fencing.
View full Seattle rules →Key Facts Comparison
| Fact | Bellevue | Seattle |
|---|---|---|
| - | - | |
| Front Yard Max | - | 4 ft |
| Side/Rear Max | - | 6 ft |
| Over 6 ft | - | Permit required |
| Vision Triangle | - | About 30 in on corners |
| Critical Areas | - | Special rules |
Highlighted rows indicate differences between cities.
Bellevue FAQ
Seattle FAQ
How tall can I build a fence in my front yard in unincorporated King County?
Up to 4 feet in the required front-yard setback in residential zones under KCC Title 21A. Side and rear yard fences may go up to 6 feet without a permit.
Do fence rules differ on waterfront property?
Yes. Shorelines and stream buffers are regulated under KCC 21A.24 and the Shoreline Master Program. Fences may need to be open-design or set back from buffers to preserve salmon habitat.
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