This was the gas station kiosk at the Cove Mid-City Market, which opened in 1931.
To discover about Seattle's drive-in markets, check out my article <a href="http://ba-kground.com/seattles-drive-in-markets/">ba-kground.com/seattles-drive-in-markets/</a> .
This photo appears in my roundup of assessor's photos of Seattle's drive-in markets, <a href="http://ba-kground.com/car-architecture-seattle-photos/">ba-kground.com/car-architecture-seattle-photos/</a>
From property file 766620-1665, address 1502 15th Avenue West, Washington State Archives Puget Sound Regional Branch.