Permit + initial inspection (~$75/year). Food worker card required.
Sources
Where to verify Washington's rules
Statute / regulation
app.leg.wa.gov/RCW/default.aspx?cite=69.22.040
Washington State Department of Agriculture
agr.wa.gov/services/business-services/food-safety-and-licensing/cottage-food-operations
Forrager state guide
forrager.com/law/washington/
Cooperative Extension
extension.wsu.edu/foodsafety/
Registration / permit
agr.wa.gov/departments/food-safety/processed-food/cottage-foods
By Locality
Washington Counties
21 counties tracked. Pick yours for the local zoning + health department links.
King County
Seattle
2.25M
Pierce County
Tacoma
919K
Snohomish County
Everett
828K
Spokane County
Spokane
539K
Clark County
Vancouver
504K
Thurston County
—
294K
Kitsap County
Port Orchard
275K
Yakima County
Yakima
256K
Whatcom County
Bellingham
227K
Benton County
Prosser
208K
Skagit County
Mount Vernon
129K
Cowlitz County
Kelso
111K
Grant County
Ephrata
99K
Franklin County
Pasco
97K
Island County
Coupeville
87K
Lewis County
Chehalis
83K
Chelan County
Wenatchee
79K
Clallam County
Port Angeles
77K
Grays Harbor County
Montesano
76K
Mason County
Shelton
66K
Walla Walla County
Walla Walla
62K
Major cities
City zoning rules in Washington
City zoning rules apply on top of the state cottage food law — home occupation, customer pickup, signage, and employees.
Seattle
Municode
Important
Cottage food laws are amended every year. This is a starting reference, not legal advice. Verify with Washington State Department of Agriculture and your local health department before relying on this data.