23.42.050
Home occupations
Seattle Municipal Code · Seattle Mun. Code § 23.42.050
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A home occupation of a person residing in a dwelling unit is permitted outright in all zones as an accessory use to any residential use permitted outright or to a permitted residential conditional use, subject to the following requirements: A. The occupation is clearly incidental to the use of the dwelling unit as a dwelling. B. The occupation may be conducted within any legal principal or accessory dwelling unit or structure, and in outdoor locations on the lot. 1. Home occupation businesses may be conducted by residents of a principal dwelling unit and/or an accessory dwelling unit. 2. The presence of one home occupation does not preclude a resident of another legally established dwelling unit on the property from also conducting a home occupation. 3. Outdoor play areas for child care programs, and outdoor activities customarily incidental to the residential use, are permitted. C. Parking of vehicles associated with the home occupation is permitted anywhere that parking is permitted on the lot, including required parking spaces. D. Visual evidence of home occupations 1. Interior and exterior alterations and additions that comply with the development standards of the zone are permitted; 2. Alterations and additions that are required by licensing or construction codes for child care programs are permitted; and 3. Signs identifying the home occupation are permitted subject to compliance with Chapter 23.55 , Signs. E. No outdoor storage is permitted in connection with a home occupation. F. An automotive retail sales and services home occupation shall not cause a substantial increase in on-street parking congestion or a substantial increase in traffic within the immediate vicinity. G. A maximum of three passenger vehicles, vans, and similar vehicles, associated with the home occupation, each not exceeding a gross vehicle weight of 10,000 pounds are permitted to be at the home occupation site, independent of commercial deliveries and pickups. For lots developed with a residential dwelling unit in NR zones, this limit is in addition to the outdoor parking limit in subsection 23.44.160.E. H. The home occupation shall be conducted so that noise, odor, smoke, dust, light and glare, and electrical interference and other similar types of spillover effects do not create negative impacts at or beyond the property line of the lot where the home occupation is located. I. No portion of a home occupation shall be a drive-in business. (Ord. 127376 , § 24, 2025; Ord. 126845 , § 1, 2023; Ord. 126293 , § 2, 2021; Ord. 126131 , § 1, 2020; Ord. 123939, § 4, 2012; Ord. 123649, § 8, 2011; Ord. 122311 , § 22, 2006.)