3 rules for unincorporated Washington County, Oregon.
Verified from official government sources
Washington County does not require garage sale permits for unincorporated areas. Most cities within the county (Beaverton, Hillsboro, Tigard, Tualatin) also allow garage sales without permits, relying on frequency and signage limits instead.
Cities in Washington County typically limit households to 2-4 garage sales per year, each 2-3 days long. Exceeding limits triggers classification as an ongoing retail use requiring home occupation review and business licensing.
Garage sales in Washington County cities typically run 8 AM to 6 PM or dusk. Most cities prohibit sales before 8 AM or after sunset/10 PM. Items and signs must be cleaned up each evening with final removal within 24 hours of sale end.
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