Home Business in Snohomish County, WA (2026)
3 county-level rules, plus city-specific rules for 4 cities in Snohomish County, Washington.
Verified from official government sources
Zoning & Home Occupation Permits
SCC 30.28.050 caps a basic home occupation at one outside employee, one-quarter of the dwelling's floor area, a 200-amp electrical service, and unlighted signs under two square feet. Home occupations in accessory buildings on rural lots can scale up to 7,000 square feet with set hours.
Home Occupation Zoning Rules in Snohomish County
Some RestrictionsSCC 30.28.050
(1) General. (a) Not more than one person outside the family shall be employed. (b) The occupation shall be secondary to the use of the dwelling for dwelling purposes. (c) There shall be no external display of merchandise. No sales or fees for the use of merchandise except that produced by the inhabitants shall be made in the dwelling or on the premises. (d) The maximum nameplate horsepower rat...
Signage Rules
Unincorporated Snohomish County caps a home occupation sign at two square feet under SCC 30.28.050(1)(f). The sign must be unlighted and attached flat to the building, so no yard signs, no illuminated signs, and no projecting or freestanding signs. The limit is one of eight standards a home business must meet countywide.
Home Business Sign Limits in Snohomish County
Some RestrictionsSCC 30.28.050(1)(f)
(1) General. (a) Not more than one person outside the family shall be employed. (b) The occupation shall be secondary to the use of the dwelling for dwelling purposes. (c) There shall be no external display of merchandise. No sales or fees for the use of merchandise except that produced by the inhabitants shall be made in the dwelling or on the premises. (d) The maximum nameplat...
Home Daycare
SCC 30.91F.100 caps a family day care home at 12 or fewer people total, counting both children and adults in care, unless the operator gets a state DCYF waiver under RCW 43.216.692. Zoning conditions in SCC 30.22.130(8) also require fenced or controlled outdoor play areas.
Family Day Care Home Rules in Snohomish County
Some RestrictionsSCC 30.91F.100; SCC 30.22.130(8)
"Family day care home" means an occupied dwelling unit in which the full-time occupant provides day care for persons other than from his/her own family and the family of close relatives. Such care in a family day care home is limited to 12 or fewer persons, including children living in the home or children and other close relatives cared for in the home. The numerical limitation for the facilit...
Home Business by City in Snohomish County
4 cities in Snohomish County have their own home business rules. Each link goes to that city's dedicated page with code citations.
3 verified rules • Customer Traffic Restrictions, Signage Rules
4 verified rules • Customer Traffic Restrictions, Home Daycare
4 verified rules • Customer Traffic Restrictions, Home Daycare
4 verified rules • Customer Traffic Restrictions, Home Daycare
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