| Business | Phone |
| Napa County Clerk Superior Crt 825 Brown St, Napa 94559 | (707) 253-4481 |
| Napa County Clerk-Recorder 900 Coombs St # 116, Napa 94559 | (707) 253-4246 |
| Napa County Supervisors Office 1195 3rd St # 310, Napa 94559 | (707) 253-4580 |
| Napa County Clerk Superior Crt 1111 3rd St, Napa 94559 | (707) 253-4481 |