According to our records, this business is located at 2201 Lafayette St. in Santa Clara (in Santa Clara County), California 95050, the location GPS coordinates are: 37.3624269 (latitude), -121.948196 (longitude). Union Stone is categorized under Paving Mixtures (SIC code 5032). Known organization executive director is Janet Leung. Current estimates show that the unit has a sales volume of $3,360,000 and staff of approximately 7 people. You can contact the company by phone at (408) 988-6888; the following fax number is also provided: (408) 988-8388.