City of Baltimore
Baltimore City Code

§ 8-2. Limit on frequency and duration of sales.

(a) 1 sale per 6-month period.

It is unlawful to conduct more than 1 public sale of tangible personal property commonly known as garage sales or lawn sales on residential property within any 6-month period.

(b) 3 days per sale.

Any 1 sale shall not be conducted for more than 3 consecutive days.