Home Occupation Permits: Kirkland vs Seattle
How do home occupation permits rules compare between Kirkland, WA and Seattle, WA?
Kirkland and Seattle have similar restriction levels.
Kirkland, WA
King County
Kirkland allows home-based businesses under KZC 115.42 when the use stays secondary to residential living, employs at most one non-resident, and generates no unusual traffic.
View full Kirkland rules →Seattle, WA
King County
Unincorporated King County does not require a separate home occupation permit for businesses meeting KCC 21A.30.080 accessory use standards. A Washington State business license and B&O tax registration are required.
View full Seattle rules →Key Facts Comparison
| Fact | Kirkland | Seattle |
|---|---|---|
| Max non-resident staff | 1 employee | - |
| Max floor area | 25 percent of dwelling | - |
| Signage | 2 sq ft non-illuminated | - |
| License | Required via FileLocal | - |
| Prohibited uses | Auto repair and kennels | - |
| County Permit | - | None required for standard use |
| State License | - | Required via DOR BLS |
| Tax Registration | - | B&O tax (RCW 82.04) |
| Code | - | KCC 21A.30.080 |
| Contact | - | (206) 296-1600 |
Highlighted rows indicate differences between cities.
Kirkland FAQ
Can I see clients at my Kirkland home office?
Limited client visits are allowed if they do not create parking or traffic impacts beyond normal residential levels; high-volume uses such as retail or walk-in clinics are not permitted.
Do I need a separate permit beyond a business license?
Most home occupations only need a City business license if they meet KZC 115.42 standards; a conditional use permit is required only for occupations that exceed the standard criteria.
Seattle FAQ
Do I need a home occupation permit in unincorporated King County?
No separate county home occupation permit is required if your business meets KCC 21A.30.080 accessory use standards. You do need a Washington State business license through the Department of Revenue and must register for B&O tax.
What Washington State licenses do I need for a King County home business?
All home-based businesses need a Washington State business license (UBI) through the Department of Revenue Business Licensing Service and must file Business and Occupation tax. Specific trades, food businesses, and daycare have additional state-level permits and inspections.
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