3 county-level rules, plus city-specific rules for 1 city in Multnomah County, Oregon.
Verified from official government sources
Multnomah County does not require permits for residential garage or yard sales. Portland, Gresham, Troutdale, and Fairview permit garage sales as an accessory residential use without city fees or registration. Signage must comply with local sign code. Oregon sales tax does not apply - Oregon has no state sales tax. Commercial-scale operations require a business license.
Portland City Code 33.203 limits garage and yard sales to no more than 4 sales per calendar year, each no more than 3 consecutive days. Gresham limits residents to 3 sales per year (GRC 7.45). Exceeding these limits classifies the activity as a retail business requiring home occupation permits and zoning compliance. Neighborhood or block sales typically count as one event.
Multnomah County garage sales should be conducted during daytime hours to avoid noise and nuisance violations. Portland does not set specific sale hours but enforces general noise limits (PCC 18.10) and property maintenance rules (PCC 29.20). Typical sales run 8 AM to 5 PM. Overnight merchandise displays violate property maintenance code.
1 cities in Multnomah County have their own garage & yard sales rules. Each link goes to that city's dedicated page with code citations.
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