6 floors and around 135 feet or about 41 meters.
That's based a draft building cross section I found on one of the community presentation slide shows so that's assuming there's been no changes since this draft was crated.
https://drive.google.com/file/d/1YaDuNRRlGKI2XX7FOrBKFoYN6bbQq1JP/view?usp=sharing