Allen residents may conduct two garage sales within one year for a period of 72 hours each. Merchandise cannot be acquired solely for the purpose of resale on the premises. No permit is required for a garage sale. Three garage signs are allowed, one on-site and two off-site. The signs can be no larger than two square feet and are not allowed in the city right-of-ways, including medians and parkways. Please remove all signs after sale. For more information, call 214.509.4160.