Cottage food law & license in King County, WA

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King County Permits 101 for King County, Washington (74 pages). After you pay, you get lifetime access to premium dashboard features. Unlock the permit planning workspace on your dashboard.

Washington cottage food — common first products
County zoning cannot expand a state ban. Check the product, then the local rules on this page.
What's in the King County permit report


How to start in King County
Permit, label, and local steps for selling under Washington cottage food rules in King County. Not legal advice.
Confirm your menu under state law
Washington cottage food rules control what you may make at home (Nonpotentially-hazardous baked goods; baked candies and stovetop candies; jams, jellies, preserves, and fruit butters (as defined in 21 C.F.R. §150); and other nonpotentially hazardous foods identified by the director by rule. No THC ingredients (0.3% or greater) permitted. No dollar sales cap is specified in the statute.). King County cannot expand a food the state bans.
Map channels and local sales rules
State sales cap: No cap. On-site / porch pickup in King County: Yes. Prefer markets or off-site pickup if residential customer traffic is restricted.
Local permits, tax, and home occupation
Home occupation permit: Conditional. Many places still need a general business license or tax certificate even when the state has no cottage food “permit.” Check planning, the clerk, and any HOA or lease before advertising your address.
Training, registration, inspection
State registration: Yes. Local inspection in King County: Yes. Finish food handler training early — markets often ask for a copy.
Labels that match the state
Print labels with Washington disclaimer and allergen rules before market day. Use the free Washington label page for the one-pager checklist and mockup.
Insurance and first sales
Farmers markets often require a certificate of insurance. Soft-launch with pre-orders, keep a sales log, and re-verify rules if you change products or venues.
What usually goes on the package
- Product name (common or usual name of the food)
- Business or producer name
- Producer address (or address alternative your state allows)
- Ingredients in descending order by weight
- Major allergen disclosures (e.g. wheat, milk, eggs, soy, tree nuts, peanuts, fish, shellfish, sesame)
- Net weight or quantity
- Home-kitchen disclaimer: “Made in a home kitchen that has not been subject to standard inspection criteria.”
Planning checklist only. Confirm with state and local agencies before you sell.
King County is a top-50 county by population in Washington (pop. 2,254,371). Under Washington's Good-tier cottage food law (sales cap: None), home bakers must still clear local zoning and health rules in this county. Registration path: Yes. Start with Washington State Department of Agriculture (state cottage food page linked below), then confirm King County health and planning requirements via the health department and planning / zoning links on this page. Local notes for King County: home kitchen allowed; inspection required; home occupation permit not required. Washington State is notably more burdensome than most states: biennial permit ($125 + $75 public health review fee + $30 processing fee), annual basic hygiene inspections, right-of-entry requirement. King County operators in unincorporated areas must comply with Title 21A.30 home occupation standards. WAC 16-149-030(4) explicitly requires compliance with all applicable county/municipal zoning laws and obtaining a master business license before the WSDA permit is issued. Home kitchens cannot be used for catering in King County (requires separate commissary). Download the free reports below for a portable summary, and always re-check official sources before you sell.
King County cottage food reports
Home cottage-food permit stack — zoning, health, license, and what the state does not require.
Zoning, permits, health department rules, and local sources for King County.
Download county reportFull Washington License & Permit Guide (136 pages). Statute, all counties, and official source links.

Tier: Good
Washington has a Good-tier cottage food law — solid baseline with moderate restrictions, typically a high sales cap (often $50K+) and standard direct-to-consumer rules. Workable for most home bakers with reasonable scale plans.
Washington cottage food law →Health department
Many states delegate cottage food registration and inspection to the county health department. Contact theirs for the local process.
Home occupation rules
The county or city zoning code governs whether you can run a home-based food business — customer visits, signage, employees, floor area.
Home kitchen, inspection, and zoning rules for King County
State baseline: RCW §69.22.010–.040
- Home kitchen allowed
- Yes
- Restrictions
- King County operators must obtain a biennial WA State Department of Agriculture (WSDA) cottage food permit before operating. The state permit requires an initial inspection and grants WSDA right of entry to the home during normal business hours. Additionally, WAC 16-149-030(4) requires that operators comply with all applicable county and municipal zoning ordinances and obtain a master business license before permitting. King County Title 21A governs home occupations in unincorporated areas.
- Separate dedicated kitchen
- No
- Pet restrictions
- No person other than the permittee or persons under their direct supervision may handle cottage food products or be in the kitchen during processing (state baseline).
- Water supply
- State baseline applies; private well users must pass water quality test as part of state permit application
- Handwashing
- State baseline applies
- Food storage
- State baseline applies
- Inspection required
- Yes
- Inspection trigger
- Biennial inspection required for WSDA permit renewal (initial + biennial). WSDA may also inspect upon complaint or reasonable belief of violation (WAC 16-149-090). King County Public Health does not separately issue cottage food permits.
- Home occupation permit
- Conditional
- Permit details
- WAC 16-149 requires operators to comply with applicable county/municipal home occupation laws. King County Title 21A.30 regulates home occupations in unincorporated areas. A master business license (from WA Secretary of State) is required statewide before the WSDA permit is issued. For incorporated cities (Seattle, Bellevue, etc.), city-specific home occupation permits may apply.
- Local business license
- Yes
- On-site customer pickup
- Yes
- On-site signage
- Conditional
- Delivery / pickup
- Direct-to-consumer sales only (no internet/mail order outside the state; no retail establishment sales). Sales must be within Washington State. King County Public Health catering/home-based food service program requires a separate commissary-based permit for catering activities.
- Max employees in home
- state baseline applies (no non-permittee handling except under direct supervision)
- Relevant code section
- King County Code Title 21A.30 (Home Occupation standards); WAC 16-149 (WSDA cottage food rules)
Washington State is notably more burdensome than most states: biennial permit ($125 + $75 public health review fee + $30 processing fee), annual basic hygiene inspections, right-of-entry requirement. King County operators in unincorporated areas must comply with Title 21A.30 home occupation standards. WAC 16-149-030(4) explicitly requires compliance with all applicable county/municipal zoning laws and obtaining a master business license before the WSDA permit is issued. Home kitchens cannot be used for catering in King County (requires separate commissary).
Revised Code of Washington, Title 69 Food, Drugs, Cosmetics, and Poisons, Chapter 69.22 Cottage Food Operations
Full Washington License & Permit Guide →Verbatim excerptRCW 69.22.010 Definitions. (1) "Cottage food operation" means a person who produces cottage food products only in the home kitchen of that person's primary domestic residence in Washington and only for sale directly to the consumer. (2) "Cottage food products" means nonpotentially hazardous baked goods; baked candies and candies made on a stovetop; jams, jellies, preserves, and fruit butters as defined in 21 C.F.R. Sec. 150 as it existed on July 22, 2011; and other nonpotentially hazardous foods identified by the director in rule. No ingredient containing a tetrahydrocannabinol concentration of 0.3 percent or greater may be included as an ingredient in any cottage food product. RCW 69.22.020(3) A cottage food operation must place on the label of any food it produces or packages, at a minimum, the following information: (a) The name and permit number issued under RCW 69.22.030 of the business of the cottage food operation; (b) The name of the cottage food product; (c) The ingredients of the cottage food product, in descending order of predominance by weight; (d) The net weight or net volume of the cottage food product; (e) Allergen labeling as specified by the director in rule; (f) If any nutritional claim is made, appropriate labeling as specified by the director in rule; (g) The following statement printed in at least the equivalent of eleven-point font size in a color that provides a clear contrast to the background: "Made in a home kitchen that has not been subject to standard inspection criteria." (4) Cottage food products may only be sold directly to the consumer and may not be sold by internet, mail order, or for retail sale outside the state. RCW 69.22.030(1) All cottage food operations must be permitted every two years by the department on forms developed by the department. All permits and permit renewals must be made on forms developed by the director and be accompanied by an inspection fee as provided in RCW 69.22.040, a $75 public health review fee, and a $30 processing fee.
Source: app.leg.wa.gov/RCW/default.aspx?cite=69.22.010 →
King County Permit Guide $26
This page stays free — the King County statute, zoning notes, and official links. Permit Guide 101 is the paid packet (74 pages): the home cottage-food permit stack (zoning, health, and business license), the checklist, and the dashboard workspace. That packet is not on this free page.

King County cottage food — FAQ
Do I need a permit to sell cottage food in King County, Washington?
Home occupation permit: Conditional. WAC 16-149 requires operators to comply with applicable county/municipal home occupation laws. King County Title 21A.30 regulates home occupations in unincorporated areas. A master business license (from WA Secretary of State) is required statewide before the WSDA permit is issued. For incorporated cities (Seattle, Bellevue, etc.), city-specific home occupation permits may apply. State cottage food registration may also apply — check the Washington guide at https://crosodo.com/states/washington.
Is a health inspection required for home bakers in King County?
Inspection: Yes. Trigger: Biennial inspection required for WSDA permit renewal (initial + biennial). WSDA may also inspect upon complaint or reasonable belief of violation (WAC 16-149-090). King County Public Health does not separately issue cottage food permits.. Non-TCS baked goods are often exempt from kitchen inspection under state cottage food law, but local rules can differ.
What foods can I sell under Washington cottage food law in King County?
Nonpotentially-hazardous baked goods; baked candies and stovetop candies; jams, jellies, preserves, and fruit butters (as defined in 21 C.F.R. §150); and other nonpotentially hazardous foods identified by the director by rule. No THC ingredients (0.3% or greater) permitted. No dollar sales cap is specified in the statute. County zoning does not expand the state product list — if a food is banned by Washington, it stays banned. Verify with the state agency before selling.
What is the sales cap for cottage food in Washington?
Washington state law lists cottage food sales at None. There is typically no separate county sales cap, but local permits or zoning can still limit operations.
Do I need a home occupation permit in King County?
Home occupation permit: Conditional. WAC 16-149 requires operators to comply with applicable county/municipal home occupation laws. King County Title 21A.30 regulates home occupations in unincorporated areas. A master business license (from WA Secretary of State) is required statewide before the WSDA permit is issued. For incorporated cities (Seattle, Bellevue, etc.), city-specific home occupation permits may apply.
The free county page is the short version. This is the full Washington License & Permit Guide (136 pages) — statute, every county we have researched, and official source URLs. Stripe checkout. Cover letter, paid receipt, and the guide (PDF) licensed to your address.

Unlimited Pass. Your journey to getting permitted for cottage food sales. Premium dashboard tools, unlimited state and county reports, and the 50-state label report. Lifetime access. Includes the full Washington License & Permit Guide (136 pages).

Where to verify King County rules
King County vs. bordering counties
| Regulation | King County This county | Pierce County | Snohomish County |
|---|---|---|---|
| Home kitchen allowed | Yes | Yes | Yes |
| Separate dedicated kitchen | No | No | No |
| Pets allowed | No person other than the permittee or persons under their direct supervision may handle cottage food products or be in the kitchen during p… | State baseline: pets must be excluded from food preparation areas during production | State baseline: pets excluded from food preparation areas |
| Inspection required | Yes | Upon-complaint | Upon-complaint |
| On-site customer pickup | Yes | Yes | Yes |
| On-site signage | Conditional | Conditional | Conditional |
| Delivery / pickup | Direct-to-consumer sales only (no internet/mail order outside the state; no retail establishment sales). Sales must be within Washington St… | Washington cottage food: direct-to-consumer sales only. Sales at farmers markets, events, home, online with delivery. No wholesale to retai… | Direct-to-consumer only: home, farmers markets, events, online with delivery. No wholesale. $25,000 annual cap. |
| Home occupation permit | Conditional | Conditional | Conditional |
| Local business license | Yes | Varies | Varies |
| Restrictions | King County operators must obtain a biennial WA State Department of Agriculture (WSDA) cottage food permit before operating. The state perm… | State baseline applies: cottage food operation must be conducted in the home kitchen of the operator's primary residence. $25,000 annual gr… | State baseline applies. Cottage food must be produced in operator's home kitchen. $25,000 annual gross sales cap. Non-potentially hazardous… |
| Food storage | State baseline applies | Standard food storage practices; no county-specific overrides found | Standard food storage |
| Population | 2,254,371 | 918,993 | 828,337 |
King County baker discussion
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