Garage-sale signs face no Mobile County rule on your own property — the county has no sign ordinance. But Alabama Code §23-1-6 makes it illegal to plant a sign in a state highway right-of-way, which covers most roadside placements.
The county does not regulate garage-sale or yard-sale signs on private property, so an owner may post one in their own yard freely. The catch is placement off your land: §23-1-6 prohibits signs, markers, and advertising on the rights-of-way of state-controlled highways except official ones, which covers the strip along most state roads where people stake sale signs, and ALDOT crews remove them. Inside a subdivision, the homeowners' association's deed restrictions control temporary signs and often limit sale signs to the day of the event. There is no county permit for a garage-sale sign placed on your own property.
Signs placed in a state highway right-of-way violate §23-1-6 and are removed by ALDOT. HOA sign violations draw the covenant fines the association sets.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Mobile County's garage sale signs rules stack up against other locations.
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