
Get to know Diane B. Sullivan
Realtor
Being a real estate agent in MetroWest Boston is more to me than just a profession or title–it is my legacy and life’s passion. Being raised in a real estate family, the industry is in my blood, and being a real estate professional has come naturally to me for the 38 years I’ve been in the business.
While I have been made privy to real estate as far back as I can remember and am now a continually recognized top producer at Coldwell Banker Realty,...
Diane B. Sullivan's listings & sales (779)
For Sale (2)
Address | Bed/Bath | Listing price |
|---|---|---|
![]() 8 Old Conn Path Framingham, MA 01702
| 4 Bed, 3 Bath | $750,000 |
![]() 158 Algonquin Trl UNIT 158 Ashland, MA 01721
| 2 Bed, 3 Bath | $639,000 |
Sold (777)
Address | Sold date | Closing price | Represented | Flag Sale |
|---|---|---|---|---|
| 11/21/2025 | $740,000 | Seller | ||
| 11/21/2025 | $1,082,500 | Seller | ||
| 11/14/2025 | $515,000 | Seller | ||
| 11/13/2025 | $576,000 | Seller | ||
| 11/7/2025 | $560,000 | Seller |
Diane B. Sullivan's reviews (181)
Write a review- Highly likely to recommend||5.05.0
11/12/2025 - kboudreau225
Bought a home in 2025.Local knowledgeProcess expertiseResponsivenessNegotiation skillsWe had such a great experience working with Diane. She was so quick to respond, extremely knowledgeable, and very organized. We’re so grateful for her help and would highly recommend! - Highly likely to recommend||5.05.0
11/11/2025 - Jasonhorowitz85
Bought a home in 2025.Local knowledgeProcess expertiseResponsivenessNegotiation skillsDiane was a wonderful partner in the home buying process. Her many years of experience helped us navigate the complexities of it. She was never too pushy, and always seemed to act with what was in our best interest, not just hers. She is a great comm... - Highly likely to recommend||5.05.0
11/11/2025 - Russ Platt
Sold a Single Family home in 2025 in Framingham, MA.Local knowledgeProcess expertiseResponsivenessNegotiation skillsWe recently sold our home of 40 years and engaged Diane Sullivan as our agent. She was spectacular in every way. She came to our first meeting more prepared than any of the realtors we interviewed. She had intimate knowledge of the local market an... - Highly likely to recommend||5.05.0
9/19/2025 - SarahBierman
Bought a Single Family home in 2025 in Natick, MA.Local knowledgeProcess expertiseResponsivenessNegotiation skillsDiane and Katelyn were amazing to work with. They make an excellent team as a powerful mother/daughter duo. Both were extremely responsive right from the jump. At the open houses, she asked all the right questions, was open and honest with us about h... - Highly likely to recommend||5.05.0
9/4/2025 - Stephen Sample
Bought a home in 2025.Local knowledgeProcess expertiseResponsivenessNegotiation skillsWorking with Diane B. Sullivan + Katelyn E. Sullivan was an absolute pleasure from start to finish. Diane/Katelyn were our mother/daughter relator duo, and were instrumental in helping us find our perfect home in Natick. Together they make a great te...











