The scene in the industrial kitchen was actually filmed in the kitchen of the studio.
All of the cars have Oregon license plates. When Mary is going to work, they show the Space Needle in Seattle, WA. This would be one heck of a long commute even if she lived right on the Washington side of the Washington/Oregon border.
Michael Shanks and Michael Kopsa both appeared in Stargate SG1 (Shanks as a regular and Kopsa in Series 1, Episode 19)
The Phelan Building in San Francisco, California is used for the exterior shot of the office building where Mary works.