Zoning regulations, permit requirements, and restrictions for running a business from your home in Sammamish, WA.
Selling Homemade Food in Washington (Cottage Food Law)
If your home business involves selling food, Washington's cottage food law sets separate, statewide rules that apply on top of Washington's local zoning. Here is the verified current picture:
| Annual sales limit | $35,000/yr in gross sales (RCW 69.22.050). |
| Permit / registration | Required — Cottage Food Permit (WSDA), renewed every two years |
| Where you can sell | Direct-to-consumer sales |
| Labeling required | Yes |
Washington caps cottage food gross sales at $35,000 per year and requires a WSDA permit renewed biennially. Direct-to-consumer sales only.
Source: agr.wa.gov
· Verified 2026-08-25
Frequently Asked Questions
Do I need a permit to run a business from home in Sammamish, WA?
Yes, Sammamish requires a home occupation permit. Contact your local planning/zoning department to apply.
Can I have employees work at my home business in Sammamish?
Sammamish allows up to 0 non-resident employee(s) for home-based businesses. Additional restrictions may apply.
What types of businesses can I run from home in Sammamish, WA?
Most business types are allowed as home occupations in Sammamish, with specific exceptions including: Auto repair or body work, Medical or dental offices with walk-in patients, Restaurants or food service with on-site dining, Retail sales with customer foot traffic, Welding or machining, Animal hospitals or kennels. The business must remain secondary to the residential use of the property.
Can I put a sign for my home business in Sammamish?
No, Sammamish does not permit exterior signage for home-based businesses.