
500 Park Avenue seen from the North side. The neglected trees on the right once framed a pretty landscaped picnic area between the building and Park Avenue. I used to eat lunch there with colleagues.
With red-hot frustration in the community and three-million dollars in fines owed to the city, the owners of Garden Plaza finally seem close to removing the smaller of their two derelict office buildings on Park Avenue.
I’ve heard through unofficial sources that the demolition of 500 Park Avenue might happen in just a week or two, although I remain incredulous about this schedule after the history of delays on this project.
The smaller building is an easy way for the owner to begin the demolition. Its 3-story steel and glass construction will be easier to remove than the 7-story reinforced concrete building next to it.
The owners of the site ION Renton had a private meeting with city officials last week. They’re no doubt feeling the pressure, and moving forward with this building will be a good way to show some progress. And getting the smaller building out of the way would create more space for equipment when bringing the larger building down.
It’s been hard to watch the slow death of this once-beautiful office complex. I had enjoyed working in these buildings during my Boeing career. I’ll be glad to see this dying complex put out of its misery.
I remain concerned that the demolition permits do not seem to include the parking garage, although I’ve heard rumors that this decision might be reconsidered. I hope so, because the parking garage will be unusable without power, elevators and fire protection. The garage would remain for years as a 4-story dystopian nuisance if it stays in place after the buildings come out.

Structural demolition has not started yet, but it looks like it has. This view of the back of the 500 Park Avenue building (former Boeing 10-13) shows the vandalism that has occured since 2021.

The 500 Park building is set back by a landscape buffer from the street. This will make demolition access easy without needing street closures. This demolition plan is available here.

The demolition plan includes 535 Garden, but I have not heard when that demolition is predicted to commence. It will be more complex due to the 7-story height and the concrete construction. I have not seen any demolition permits issued for the parking garage. Plans are available here.

An image of the building from 2021 that reminds me of the distinctive architecture of this once-pretty building. This was a view I enjoyed daily for a few years when I worked here. The sunny glass-column stairwells gave me access to other nearby Boeing buildings. The parking was convenient and accessible by a bridge on the other side.









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