Privacy Screening: Kent vs Seattle
How do privacy screening rules compare between Kent, WA and Seattle, WA?
Kent and Seattle have similar restriction levels.
Kent, WA
King County
In unincorporated King County, fences generally do not require a building permit unless they exceed certain height thresholds. The King County zoning code (KCC Title 21A) regulates fence height by zone. Standard residential zones allow 6-foot side/rear fences and 4-foot front yard fences. Critical area buffers may restrict fencing.
View full Kent rules →Seattle, WA
King County
Seattle allows privacy fences up to 6 feet in residential zones without a building permit. Fences up to 8 feet (with architectural features like trellises) may be permitted. No permit is needed for fences 8 feet or shorter that are not masonry or concrete above 6 feet.
View full Seattle rules →Key Facts Comparison
| Fact | Kent | Seattle |
|---|---|---|
| Rear/Side | Up to 6 feet typical | - |
| Front Yard | Up to 4 feet typical | - |
| Permit | Not required under 7 ft | - |
| Critical Areas | Wildlife-permeable may be required | - |
| Max Height (Side/Rear) | - | 6 feet (plus 2 feet trellis) |
| Max Height (Front) | - | 4 feet |
| Permit Required | - | No (if 8 feet or less, non-masonry) |
| Barbed Wire | - | Prohibited in residential zones |
Highlighted rows indicate differences between cities.
Kent FAQ
How tall can a fence be in unincorporated King County?
Most residential zones allow 6 feet for side and rear yards and 4 feet for front yards. Fences under 7 feet typically do not require a building permit. Height limits vary by zoning district under KCC Title 21A.
Do I need a permit for a fence in King County?
Fences under 7 feet generally do not require a building permit. Retaining walls over 4 feet require permits. Fences in critical areas (wetlands, stream buffers) may need additional review to ensure wildlife permeability.
Seattle FAQ
How tall can a privacy fence be in Seattle?
In residential zones, privacy fences can be up to 6 feet tall in side and rear yards, with an additional 2 feet of trellis or lattice. Front yard fences are limited to 4 feet.
Do I need a permit for a fence in Seattle?
No permit is needed for fences 8 feet or shorter that do not have masonry or concrete above 6 feet and are not in flood-prone areas.
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