City Hall is located at 200 East Santa Clara Street between Fourth and Sixth Streets in downtown San José. The building layout includes an 18-story tower on the east side of the site; a three-story wing on the west side of the site; a centrally-located domed rotunda that reaches a height equivalent of 10 stories; a large plaza opening onto Santa Clara Street framed by a curved wall; and one level of 300 underground parking spaces.
http://www.sanjoseca.gov/index.aspx?NID=233