Home Business Rules in Seattle, WA (2026)

In Seattle, WA, home-based businesses are permitted subject to specific rules designed to preserve residential character while allowing residents to run legitimate businesses from their homes. No city permit is required, though deed restrictions or state licensing may apply. The Seattle Department of Construction and Inspections (SDCI) or Seattle Office of Planning & Community Development (OPCD) handles home occupation applications and enforcement. Regulations generally prohibit on-site employees, customer visits, and any external evidence of business activity. Below you will find the current permit requirements, restrictions, prohibited business types, and cottage food law provisions for Seattle.

Permit Requirements

null. No city permit application or fee is required to operate a home-based business in Seattle under current regulations. However, state professional licensing requirements still apply (contractors, real estate agents, cosmetologists, etc.). Check your property's deed restrictions — many Seattle neighborhoods have private deed restrictions that prohibit commercial activity in residential areas regardless of city rules.

Operating Restrictions

Home Business Restrictions in Seattle: 1. Home occupation must be clearly incidental and subordinate to residential use 2. No customers or clients may visit the home occupation 3. No employees who are not residents of the dwelling may work on premises 4. No external evidence of the home occupation visible from the street 5. No storage of business materials outside the building 6. Business activity limited to no more than one room or 25% of floor area, whichever is less 7. No mechanical equipment creating noise, vibration, odors, or glare detectable off-site 8. No commercial vehicles (over 10,000 lb GVW) stored at residence Violations of home occupation rules can result in complaints from neighbors, code enforcement investigations, permit revocation, and daily fines.

• •Home occupation must be clearly incidental and subordinate to residential use
• •No customers or clients may visit the home occupation
• •No employees who are not residents of the dwelling may work on premises
• •No external evidence of the home occupation visible from the street
• •No storage of business materials outside the building
• •Business activity limited to no more than one room or 25% of floor area, whichever is less
• •No mechanical equipment creating noise, vibration, odors, or glare detectable off-site
• •No commercial vehicles (over 10,000 lb GVW) stored at residence

Prohibited Business Types

The following business types are specifically prohibited from operating as home businesses in Seattle: Auto repair, painting, or body work with customers on-site; Beauty salon, barber shop, or personal services with clients visiting; Food preparation for commercial sale (requires separate cottage food registration or commercial kitchen); Medical or dental office with patients visiting; Adult entertainment business; Firearms dealer with on-site customer transactions; Any use creating traffic inconsistent with residential neighborhood character. This list may not be exhaustive — contact the Seattle Office of Planning & Community Development (OPCD) to verify whether your specific business type is allowed under home occupation rules.

• ✕Auto repair, painting, or body work with customers on-site
• ✕Beauty salon, barber shop, or personal services with clients visiting
• ✕Food preparation for commercial sale (requires separate cottage food registration or commercial kitchen)
• ✕Medical or dental office with patients visiting
• ✕Adult entertainment business
• ✕Firearms dealer with on-site customer transactions
• ✕Any use creating traffic inconsistent with residential neighborhood character

Cottage Food Law

Frequently Asked Questions