| Business | Phone |
| Hayward City Clerk 777 B St, Hayward 94541 | (510) 583-4400 |
| Hayward City Hall 25151 Clawiter Rd, Hayward 94545 | (510) 583-4000 |
| Hayward City Hall 777 B St, Hayward 94541 | (510) 583-4000 |
| Hayward City Manager 777 B St, Hayward 94541 | (510) 583-4300 |
| Hayward City Mayor 777 B St, Hayward 94541 | (510) 583-4340 |