| Business | Phone |
| Cotati City Accounts Payable 201 W Sierra Ave, Cotati 94931 | (707) 665-3631 |
| Cotati City Council 201 W Sierra Ave, Cotati 94931 | (707) 665-3623 |
| Cotati City Engineer 201 W Sierra Ave, Cotati 94931 | (707) 523-1010 |
| Cotati City Planning 201 W Sierra Ave, Cotati 94931 | (707) 665-3638 |
| Curbside Recycling 7085 Gravenstein Hwy, Cotati 94931 | (707) 795-2319 |