| Business | Phone |
| Yountville City Adm 6550 Yount St, Yountville 94599 | (707) 944-8851 |
| Yountville Town Water-Sewer 7501 Solano Ave, Yountville 94599 | (707) 944-8851 |
| Yountville Wastewater Trtmnt 7501 Solano Ave, Yountville 94599 | (707) 944-2988 |
| Yountville Community Hall 6516 Yount St, Yountville 94599 | (707) 944-2959 |
| Yountville Sheriff 7401 Solano Ave, Yountville 94599 | (707) 944-9228 |