| Business | Phone |
| William Raveis Darien 6820 | (203) 655-1498 |
| William Pitt Real Estate 1057 Post Rd, Darien 6820 | (203) 655-8234 |
| William Raveis Real Estate 22 Old Kings Hwy S, Darien 6820 | (203) 655-1497 |
| Tibbetts Real Estate 37 Corbin Dr, Darien 6820 | (203) 655-7724 |
| Best Properties 49 Hollow Tree Ridge Rd, Darien 6820 | (203) 323-2646 |
| Southern New England 1010 Post Rd, Darien 6820 | (203) 655-8053 |
| Coldwell Banker 870 Post Rd, Darien 6820 | (203) 655-0208 |
| Country Homes & Estates Inc 694 Post Rd, Darien 6820 | (203) 655-1400 |
| Country Living Assoc 6 Corbin Dr, Darien 6820 | (203) 655-9761 |
| Reynolds Realty 694 Post Rd, Darien 6820 | (203) 655-0655 |
| Realty Quest 15 Corbin Dr, Darien 6820 | (203) 656-1857 |
| Regus Business Ctr Inc 8 Pratt Is, Darien 6820 | (203) 656-3784 |
| Preferred Properties Inc 893 Post Rd, Darien 6820 | (203) 655-3961 |
| Prudential Connecticut Realty 455 Post Rd, Darien 6820 | (203) 655-5114 |
| Prudential Wheeler Real Estate 671 Post Rd, Darien 6820 | (203) 972-1418 |
| Darien Board Of Realtors 10 Centre St, Darien 6820 | (203) 655-3700 |
| Pierce Real Estate Inc 993 Post Rd, Darien 6820 | (203) 655-9757 |
| Fine Home & Estates Inc 694 Boston Post Rd, Darien 6820 | (203) 622-1064 |
| Kelly Associates Real Estate 780 Post Rd, Darien 6820 | (203) 655-8238 |