Home Business in Whatcom County, WA (2026)

5 county-level rules, plus city-specific rules for 1 city in Whatcom County, Washington.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Whatcom County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Zoning & Home Occupation Permits

Whatcom County sorts home-based businesses into four tiers under WCC § 20.80.970, Types I through IV, each carrying its own parcel-size minimum, employee cap, client limit and daily trip cap, on top of countywide rules barring outside storage and limiting deliveries to weekdays only. A short list of uses, from mortuaries to cannabis retail, is banned outright as a home-based business.

Whatcom County Home-Based Business Zoning Rules

Significant Restrictions

Whatcom County Code § 20.80.970(1), (5)

There are four types of home-based businesses: Type I, Type II, Type III, and Type IV, as distinguished below. ... Type I home-based businesses shall not exceed a total of 500 square feet of building floor area in the EI, UR, URM, and UR-MX Districts, or 1,250 square feet in the other districts where allowed... Clients are limited to one at any one time, not to exceed five clients per day. The ...

Full ordinance details →Official source ↗

Signage Rules

Unincorporated Whatcom County caps a home-based business at one on-site sign under WCC § 20.80.470(8), and it cannot exceed eight square feet or carry any illumination. The limit covers all four home-based business types defined in WCC § 20.80.970, and it is stricter than the general sign rule, which otherwise allows indirect external lighting.

Whatcom County Home Business Sign Rules

Some Restrictions

Whatcom County Code § 20.80.470(8)

Home-based business (all types; see WCC § 20.80.970) signs; provided, that there shall be no more than one sign, not to exceed eight square feet, and it shall be nonilluminated.

Full ordinance details →Official source ↗

Customer Traffic Restrictions

Whatcom County caps home-based business client traffic by tier: Type I allows one client at a time and up to five per day with five trips, Type II ten clients and ten trips, Type III twenty clients and twenty trips, all barred before 7 a.m. or after 8 p.m.

Whatcom County Home Business Client Limits

Some Restrictions

WCC § 20.80.970(5)(b), (g)-(h)

Customers/clients are prohibited on the premises prior to 7:00 a.m. and after 8:00 p.m. unless an exception is specifically granted by the director. ... Clients are limited to one at any one time, not to exceed five clients per day. The number of trips related to the business shall not exceed five per day.

Full ordinance details →Official source ↗

Cottage Food Operations

Washington lets you sell certain homemade shelf-stable foods from a Whatcom County kitchen under a WSDA Cottage Food Operation Permit. Unlike many states, Washington requires a home-kitchen inspection, caps gross sales at $35,000 a year, and allows only direct sales to the consumer.

Whatcom County Cottage Food Operation Rules

Some Restrictions

RCW 69.22.010

a person who produces cottage food products only in the home kitchen of that person's primary domestic residence in Washington and only for sale directly to the consumer.

Full ordinance details →Official source ↗

Home Daycare

Washington law, not the county's home-business chapter, controls in-home daycare in unincorporated Whatcom County: WCC 20.80.970(3)(a) expressly exempts day care homes from the county's home occupation permit, sending them instead to state licensing under RCW 43.216.010, which defines a licensed family day care provider as caring for up to 12 children in the provider's own home.

Whatcom County Family Day Care Home Rules

Some Restrictions

RCW 43.216.010

The definitions in this section apply throughout this chapter unless the context clearly requires otherwise. (1) "Agency" means any person, firm, partnership, association, corporation, or facility that provides child care and early learning services outside a child's own home ... (c) "Family day care provider" and "family home provider" mean a child care provider who regularly provides early ch...

Full ordinance details →Official source ↗

Home Business by City in Whatcom County

1 cities in Whatcom County have their own home business rules. Each link goes to that city's dedicated page with code citations.

BellinghamPop. 91,482

4 verified rules • Customer Traffic Restrictions, Home Daycare

All Whatcom County ordinances

See every category we cover for Whatcom County: parking, noise, fences, fires, animals, pools, and more.

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