Issaquah, WA Garage & Yard Sales: Frequency, Duration & Permits (2026)

Issaquah regulates garage and yard sales through the exceptions clause of its home business section, LUC 18.502.120(J). The clause exempts listed activities from the requirements of that section when they "do not exceed three consecutive days in duration or do not operate for more than nine days in any one calendar year." The code joins the two limits with the word "or" and prints no further explanation, so the three-day and nine-day figures are the only duration numbers the section gives.

The exemption carries a content condition. To qualify, all garage and yard sales must involve only the sale of household goods, none of which were purchased for the purpose of resale. A sale stocked with goods bought to be resold does not qualify, and a sale that falls outside the exemption is measured against the home business standards instead. Those standards include a City business license under Chapter 5.02 IMC, the ban on outside storage or display of any kind, and the list in subsection (F) of uses barred as home businesses, which includes antique shops and gift shops.

The same subsection exempts three other short-term home activities on the same three-day and nine-day terms: temporary home boutiques or bazaars for handcrafted items, parties for the display of domestic products, and other similar short-term uses or sales.

Two neighboring rules matter to anyone holding a sale. IMC 5.14.020(B)(3) exempts garage sales and rummage sales conducted entirely upon private property from the special event permit requirement of Chapter 5.14 IMC. And LUC 18.612.110(G) governs garage sale signs, which are temporary signs for the sale of personal household possessions, including sample sales, and not for any commercial venture. The sign table allows 4 signs per garage sale in zones that include a residential use, each a stake or wire frame sign of no more than 4 square feet per face, 2 faces, and 4 feet in height, placed in the right-of-way with no temporary sign agreement required. The signs can be present for up to three days, associated with the sale.