Contact Us

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City Hall Address: 
City of Union City
34009 Alvarado-Niles Road
Union City, California 94587
Map

Hours: 
Monday through Thursdays, 8:00 a.m. to 6:00 p.m. 
Fridays: 8:00 a.m.. to 5:00 p.m.
City Hall is closed on alternate Fridays.

City Phone Numbers (General Inquiries)


  • City Hall: 510.471.3232
  • City Hall Fax: 510.475.7318
  • City Clerk: 510.675.5315
  • City Attorney's Office: 510.675.5347
  • Business License: 510.675.5312
  • Planning: 510.675.5319
  • Economic Development: 510.675.5392
  • Code Enforcement: 510.675.5315
  • Building: 510.675.5313
  • Environmental Programs: 510.675.5360
  • Fire Department (Union City Stations) : 510.675.5360
  • Animal Control: 510.675.5234
  • Holly Center: 510.675.5488
  • Kennedy Center: 510.675.5329
  • Ruggieri Senior Center: 510.675.5495
  • Mark Green Sports Center: 510.675.5808
  • CERT (Community Emergency Response Team): 510.675.5401
  • Police Non-Emergency: 510.471.1365