3 rules for unincorporated Whatcom County, Washington.
Verified from official government sources
Good news for sellers: neither unincorporated Whatcom County nor the City of Bellingham requires a permit or registration for an occasional residential garage or yard sale. The rules you actually meet are about signage and not letting the sales turn your home into an ongoing store.
Whatcom County and Bellingham set no fixed number of garage sales per year for a genuine household sale. The real line is commercial activity: hold sales often enough that the property functions as a store and you move into home-business and zoning territory.
No Whatcom County or Bellingham ordinance fixes garage-sale hours. Daytime weekend sales are the norm. The real limits are the general noise rules — no early-morning amplified disturbance — and sign rules that keep placards out of the public right-of-way.
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