Home Business in Franklin County, WA (2026)
4 rules for unincorporated Franklin County, Washington.
Verified from official government sources
Zoning & Home Occupation Permits
In unincorporated Franklin County, a home business must stay subordinate to the residential use, be conducted entirely inside a permanent structure, and can't take up more than 20 percent of the home's floor area (or 600 square feet of a garage).
Franklin County Home Occupation Zoning Standards
Some RestrictionsFranklin County Code § 17.68.040(A)-(C),(N)
All home occupations shall conform to the following standards:A.Be clearly subordinate to the principal use of the property for residential purposes;B.Not involve modification of the property or exterior of its structures that indicates other than residential uses of the premises;C.Is performed entirely within a permanent structure upon the premises; ... N.The home occupation shall not occupy m...
Signage Rules
In unincorporated Franklin County, a home occupation cannot display any sign, advertisement or other display on the property, and off-premises advertising or media cannot give the business's address or location.
Franklin County Home Business Sign Ban
Heavy RestrictionsFranklin County Code § 17.68.040(D),(E)
D.No signs, display or other advertisement upon the property;E.No media or other off-premises advertising shall give the address or location of the home occupation;
Customer Traffic Restrictions
In unincorporated Franklin County, a home occupation cannot require a customer or client to be present while the work is performed, and no more than six customer vehicles may visit the dwelling in a single day.
Franklin County Home Business Customer Visit Limit
Significant RestrictionsFranklin County Code § 17.68.040(I),(J)
I.No occupation requiring the customer or client to be present upon the premises while the profession, trade, skill or service is performed shall be allowed;J.No more than six customer vehicles may visit the dwelling in a given day;
Home Daycare
Franklin County allows home-based day-care in any home in unincorporated Franklin County regardless of its zoning classification, so long as the home is pre-approved by the Benton-Franklin District Health Department for sanitary facilities and licensed by the state Department of Social and Health Services to serve up to twelve children or adults at a time.
Franklin County Home Day-Care: Any Zone, 12-Child Cap
Light RestrictionsFranklin County Code §§ 5.04.110(C)(6), 17.06.320(B)
6.Day Care. All day care facilities shall pay fifty dollars ($50.00) per year, then seventy-five dollars ($75.00) per year effective January 1, 2008. No differentiation will be made between a home occupation and a day-care facility that is operated in a separate facility. ... B."Home-based day-care" means a home receiving pre-approval from the Benton-Franklin District Health Department as to ad...
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