AKA: Grandma's Cookies Bakery, Wallingford, Seattle, WA; Avtech Factory, Wallingford, Seattle, WA

Structure Type: built works - industrial buildings - factories

Designers: [unspecified]

Dates: constructed 1912

2 stories, total floor area: 31,360 sq. ft.

3400 Wallingford Avenue
Wallingford, Seattle, WA 98103-9041

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This two-story factory, with its exposed reinforced concrete frame, was the long-time home of the Buchan Bakery, and later the Grandma's Cookie Baking Company, Incorporated. On the roof, facing south, was a huge "Grandma's Cookies" sign that stood as a landmark in the area until it was taken down on 02/03/1978. Following Grandma's departure, Avtech Corporation, makers of aviation electronics equipment, occupied the building.

The factory occupied a 41,040-square-foot lot and contained 31,360 square feet. Land and improvements had a value of $4,202,400 in 2011. Avtech Coporation's telephone number in 2011 was: 206.695.8000.

The factory underwent alterations in 1985.