
Get to know katelyn sullivan
Realtor
Katelyn E. Sullivan, REALTOR® | Coldwell Banker Realty | Boston & Metrowest
★ Top-Ranked, Award-Winning Real Estate Professional ★
Katelyn E. Sullivan is a third-generation REALTOR®, a proud Massachusetts native, and a current Boston resident. Originally from Framingham, she has deep roots in the Metrowest region and extensive knowledge in Boston and the surrounding suburbs. She specializes in working with sellers, investors, and buyers, providing ... 
katelyn sullivan's listings & sales (133)
For Sale (4)
Address  | Bed/Bath  | Listing price  | 
|---|---|---|
![]() 320 W 2nd St APT 502 South Boston, MA 02127 
  | 2 Bed, 1 Bath | $619,900 | 
![]() 354 School St #354 Watertown, MA 02472 
  | 3 Bed, 2 Bath | $999,900 | 
![]() 38 Lexington St #101 Boston, MA 02128 
  | 2 Bed, 2 Bath | $549,900 | 
![]() 99 Gove St APT 1 Boston, MA 02128 
  | 2 Bed, 1 Bath | $725,000 | 
For Rent (1)
Address  | Bed/Bath  | Listing price  | 
|---|---|---|
![]() 87 Winthrop St APT 3 Framingham, MA 01702 
  | 2 Bed, 1 Bath | $2,900/mo | 
Sold (128)
Address  | Sold date  | Closing price  | Represented  | Flag Sale  | 
|---|---|---|---|---|
| 9/3/2025 | $462,000 | Buyer | ||
| 8/22/2025 | $596,000 | Buyer | ||
| 8/22/2025 | $990,000 | Buyer | ||
| 8/14/2025 | $593,500 | Buyer | ||
| 8/12/2025 | $849,000 | Buyer | 
katelyn sullivan's reviews (72)
Write a review- 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...
Response from katelyn sullivan on 9/24/2025
Sarah, thank you so much for sharing such a thoughtful review! We are so glad we could be by your side throughout the process and that you felt fully supported from start to finish. It was a joy working with you, and we wish you the very best in your new home in the Natick area!
 - Highly likely to recommend||5.05.0
9/17/2025 - Mackenzie Gemelli
Bought a Single Family home in 2025 in Ashland, MA.Local knowledgeProcess expertiseResponsivenessNegotiation skillsKatelyn was absolutely amazing to work with! Being first time homebuyers, we wanted to work with someone who was passionate and knowledgeable about real estate and knew the area very well. From the start we felt like a priority. She was extremely tra...
Response from katelyn sullivan on 9/19/2025
Mackenzie, thank you so much for this thoughtful review! Helping you and your fiancé find your forever home was such a rewarding experience, and I’m so grateful for the trust you placed in me. Navigating the process across three time zones was no small task, but your patience and positivity made it such a joy. I’m thrilled we found the perfect home for you both in the Ashland and wish you so much happiness as you begin this next chapter!
 - 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...
Response from katelyn sullivan on 9/8/2025
Stephen, thank you for such a kind and detailed review. We’re so grateful we had the opportunity to guide you through this process and are delighted our strategies helped secure your new home in a competitive market. It was a pleasure working with you, and we wish you nothing but happiness and wonderful memories in your new Natick home!
 - Highly likely to recommend||5.05.0
8/25/2025 - Madelyn Bouthot
Bought a Single Family home in 2025 in Charlestown, Charlestown, MA.Local knowledgeProcess expertiseResponsivenessNegotiation skillsKatelyn is absolutely the best in the business. She was always available for questions and guidances. She helped me find my first home in Boston and assisted in both finding open houses as well as setting up private showings. Luck to call her my frie...
Response from katelyn sullivan on 9/2/2025
I really appreciate these kind words, Maddy! You are more than welcome. It was a pleasure serving as your buyer's agent in the Boston area!! Congrats!
 - Highly likely to recommend||5.05.0
7/31/2025 - user0444814
Bought a Single Family home in 2025 in Lunenburg, MA.Local knowledgeProcess expertiseResponsivenessNegotiation skillsDiane B. Sullivan + Katelyn E. Sullivan were our joint realtor team in our search for our forever home. They were the best possible real estate partners we could have asked for - providing comps, writing and submitting offers, discussing strategy on ...
Response from katelyn sullivan on 8/6/2025
Wow! Thank you for all these kind words Erin. It was a pleasure serving as your buyer's agent in the Lunenburg area!! Congratulations!
 













