The tower would have been one of the 10 tallest in the U.S., but no more. Developer of Seattle’s 100-story 4/C tower mum on project’s future EXCLUSIVE: Skyscraper has affordable housing, other ...

The changes mean skyscrapers near the Delta Center could surpass the city’s soon-to-be-tallest building, the 450-foot luxury Astra Tower at 89 E. 200 South, by about 150 feet.

A skyscraper is defined as a continuously habitable high-rise building that exceeds 40 floors and stands taller than approximately 150 metres (492 feet).