Neighbor Fence Rules: Federal Way vs Seattle
How do neighbor fence rules rules compare between Federal Way, WA and Seattle, WA?
Federal Way and Seattle have similar restriction levels.
Federal Way, WA
King County
Federal Way does not mandate shared cost for boundary fences. Owners build on their own side of the line. Washington RCW 7.28 governs boundary disputes. Spite fences may be actionable under common law.
View full Federal Way rules →Seattle, WA
King County
Washington has no good-neighbor fence statute. King County treats boundary fence disputes as civil matters. Fences must sit on the owner side of the line unless neighbors record an agreement.
View full Seattle rules →Key Facts Comparison
| Fact | Federal Way | Seattle |
|---|---|---|
| Cost Sharing | Not required by code | Not required by WA law |
| Property Line Fence | Joint ownership | - |
| Adverse Possession | 10 years (RCW 7.28) | RCW 7.28.050, 10 years |
| Spite Fence | Common law remedy | - |
| Dispute Forum | - | Civil court |
| Placement | - | On owner side of line |
| Good Side Out | - | Custom, not required |
Highlighted rows indicate differences between cities.
Federal Way FAQ
Does my Federal Way neighbor have to pay half the fence cost?
No. Washington does not require cost sharing. If you want them to contribute, get a written agreement before building.
What if my Federal Way neighbor fence is on my property?
Hire a licensed surveyor to confirm the boundary. If the fence encroaches, you can request removal through civil action, though adverse possession may apply if it has been there 10+ years.
Seattle FAQ
Can I make my neighbor pay half for a new fence in King County?
Not unless they agree. Washington has no residential cost-sharing statute. You can either negotiate a private written agreement or build the fence on your own property at your sole cost.
What if my neighbor built a fence on my land?
This is a civil trespass matter. A current boundary survey is typically the first step. County Code Enforcement will not mediate ownership disputes, but persistent encroachment can create adverse possession issues after 10 years.
Compare other topics
See how Federal Way and Seattle compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool