Signage Rules: Kirkland vs Seattle
How do signage rules rules compare between Kirkland, WA and Seattle, WA?
Seattle has fewer restrictions than Kirkland.
Kirkland, WA
King County
Kirkland prohibits all signs identifying a home occupation in residential zones under KZC Chapter 100; only a permitted address or no-solicitation sign is allowed on residential frontages.
View full Kirkland rules →Seattle, WA
King County
Unincorporated King County permits one non-illuminated sign for a home occupation, limited to 2 square feet and attached to the dwelling. Freestanding or illuminated signs are prohibited under KCC 21A.20.
View full Seattle rules →Key Facts Comparison
| Fact | Kirkland | Seattle |
|---|---|---|
| Business Signs | Prohibited in residential | - |
| Code | KZC 100 + 115.35 | KCC 21A.20 |
| Allowed | Address numbers only | - |
| ROW Signs | Removed without notice | - |
| Exterior Ad | Disqualifies home occupation | - |
| Max Size | - | 2 square feet |
| Illumination | - | Prohibited |
| Mounting | - | Wall-mounted only |
| Contact | - | (206) 296-1600 |
Highlighted rows indicate differences between cities.
Kirkland FAQ
Can I put up a sign for my home business in Kirkland?
No. Kirkland prohibits signs identifying home occupations in residential zones under KZC 100 and 115.35.
What residential signs are allowed?
Address numbers, occupant name plates, and no-solicitation or no-trespassing signs are permitted.
Seattle FAQ
Can I put up a sign for my home business in unincorporated King County?
Yes, one wall-mounted identification sign up to 2 square feet is allowed. It cannot be illuminated, flashing, or placed on a freestanding pole in residential zones.
Can I use a sandwich board or yard sign for my King County home business?
No. A-frame sandwich boards, yard signs, banners, and signs in the public right-of-way are prohibited for home occupations in residential zones under unincorporated King County rules.
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