| Business | Phone |
| Union City Fire Dept 31600 Alvarado Blvd, Union City 94587 | (510) 675-5472 |
| Union City Fire Dept 33555 Central Ave, Union City 94587 | (510) 675-5471 |
| Union City Fire Dept 33948 10th St, Union City 94587 | (510) 675-5473 |
| Union City Fire Dept 34009 Alvarado Niles Rd, Union City 94587 | (510) 675-5470 |
| Union City Fire Dept 35000 Eastin Ct, Union City 94587 | (510) 675-5474 |