3 rules for unincorporated Harford County, Maryland.
Verified from official government sources
No permit is needed for a residential yard sale anywhere in Harford County. Aberdeen treats a complying sale as a permitted accessory use with no sign-off required; Bel Air and Havre de Grace issue no yard sale permit either.
Aberdeen sets the firmest cap in Harford County: four garage sales per property per year, three consecutive days each, twelve days total. The county and the other towns set no fixed number for occasional home sales.
No Harford County or town ordinance sets fixed yard sale hours. Sales run during daytime by custom, and the real limits are the noise ordinance and sign rules, not a stated opening or closing time.
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