Signage Rules: Auburn vs Seattle
How do signage rules rules compare between Auburn, WA and Seattle, WA?
Auburn and Seattle have similar restriction levels.
Auburn, WA
King County
Auburn prohibits home occupation exterior signage under ACC 18.60. No yard, window, or banner signs for a home business. One nameplate up to 1 sq ft showing the occupants name is the only exception.
View full Auburn 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 | Auburn | Seattle |
|---|---|---|
| Home Occ Signs | Prohibited on property | - |
| Nameplate | 1 sq ft occupants name | - |
| Vehicle Signs | Allowed if used off-site | - |
| Code | ACC 18.60 and 18.56 | KCC 21A.20 |
| Fine | Up to $250 per day | - |
| Max Size | - | 2 square feet |
| Illumination | - | Prohibited |
| Mounting | - | Wall-mounted only |
| Contact | - | (206) 296-1600 |
Highlighted rows indicate differences between cities.
Auburn FAQ
Can I put a sign in my yard for my home business?
No. ACC 18.60 prohibits any exterior business signage for residential home occupations. Only a small nameplate with your personal name near the front door is allowed.
Can my business van be parked at my Auburn home?
Generally yes if the vehicle is routinely used off-site for the business. It should not function as a permanent display. Commercial vehicles over 10,000 lb GVWR may face additional parking limits under ACC 10.36.
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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