| Business | Phone |
| Arroyo Real Estate 1540 Railroad Ave, St Helena 94574 | (707) 963-1342 |
| Coldwell Banker 1289 Main St, St Helena 94574 | (707) 963-1152 |
| Frank Howard Allen Realtors 1316 Main St, St Helena 94574 | (707) 963-5266 |
| Lifestyle Properties 1407 Main St, St Helena 94574 | (707) 968-9100 |
| Maher & Assoc 3022 Saint Helena Hwy N # A, St Helena 94574 | (707) 963-8266 |
| Main Street Realtors 1338 Main St, St Helena 94574 | (707) 963-4279 |
| Morgan Lane Real Estate 1350 Oak Ave, St Helena 94574 | (707) 963-5226 |
| Noble Properties 1335 Railroad Ave, St Helena 94574 | (707) 963-3349 |
| Pacific Union Residential 1508 Main St, St Helena 94574 | (707) 967-1340 |
| Preferred Properties 1244 Spring St, St Helena 94574 | (707) 963-4643 |
| St Helena Real Estate 1346 Main St, St Helena 94574 | (707) 967-9570 |
| Up Valley Assoc Real Estate 1126 Adams St # B, St Helena 94574 | (707) 963-1222 |
| Agricom 1250 Church St, St Helena 94574 | (707) 963-5234 |
| Brauning Co Realtor 1375 Main St, St Helena 94574 | (707) 963-2729 |
| Martina Brennan St Helena 94574 | (707) 968-2561 |
| Churchill Properties 757 Sunnyside Rd, St Helena 94574 | (707) 963-0181 |
| Coldwell Banker 1338 Main St, St Helena 94574 | (707) 963-4279 |
| Elise Currey St Helena 94574 | (707) 968-2562 |
| Ellis Co Real Estate 1537 Main St, St Helena 94574 | (707) 963-4545 |
| Escher Associates 1800 Whitehall Ln, St Helena 94574 | (707) 963-0123 |
| Pacific Union Real Estate Grp 1508 Main St, St Helena 94574 | (707) 967-1349 |
| Paladini Properties 1308 Main St, St Helena 94574 | (707) 967-8553 |
| Ritchie-Hallanan Real Estate St Helena 94574 | (707) 963-3394 |
| William Seal St Helena 94574 | (707) 968-2567 |
| Wjm Real Estate 1304 Oak Ave, St Helena 94574 | (707) 963-8252 |