| Business | Phone |
| Coldwell Banker 21208 Calistoga Rd, Middletown 95461 | (707) 987-4920 |
| Cps Country Air 21136 Calistoga Rd, Middletown 95461 | (707) 987-2837 |
| Ed B Co 21138 Calistoga Rd # B, Middletown 95461 | (707) 987-2003 |
| Hidden Valley Lake Realty 17568 Spruce Sprove Ext # A, Middletown 95467 | (707) 987-3172 |
| House Of Realty 19851 Hartmann Rd # A, Middletown 95467 | (707) 987-3800 |
| House Of Realty 21037 Calistoga Rd # 1, Middletown 95461 | (707) 987-8121 |
| Neft & Neft Realtors 21162 Highway 29, Middletown 95461 | (707) 987-3630 |
| Remax Lake County Realty 21168 Calistoga Rd, Middletown 95461 | (707) 987-9746 |
| Help U Sell 18815 Highway 29, Middletown 95461 | (707) 987-9999 |
| Prudential California Realty 21152 Calistoga Rd, Middletown 95461 | (707) 987-9899 |
| Towne & Country 21037 Calistoga Rd, Middletown 95461 | (707) 987-4920 |
| Underwood Mantle 17568 Spruce Sprove Ext # A, Middletown 95467 | (707) 987-1032 |