| Business | Phone |
| Ralph & Mary Ruggieri Senior 33997 Alvarado Niles Rd, Union City 94587 | (510) 489-6629 |
| City Of Union City 32080 Union Lndg, Union City 94587 | (510) 429-1004 |
| Union City Building Dept 34009 Alvarado Niles Rd, Union City 94587 | (510) 675-5313 |
| Union City City Offices 34009 Alvarado Niles Rd, Union City 94587 | (510) 471-3232 |
| Union City Corp Yard 34650 7th St, Union City 94587 | (510) 675-5356 |
| Union City Corp Yard 34900 Alvarado Niles Rd, Union City 94587 | (510) 471-6454 |
| Union City Holly Community Center 31600 Alvarado Blvd, Union City 94587 | (510) 471-6877 |
| Union City Teen Center 1200 J St, Union City 94587 | (510) 489-1462 |
| Union City Teen Workshop 33623 Mission Blvd, Union City 94587 | (510) 489-5348 |