
Get to know Mark C Sullivan
Realtor
Meet Mark—a lifelong Rhode Islander with deep roots in Barrington and over 25 years of experience helping people through sales and service. Before joining Chart House Realtors, he spent nearly a decade running his own business, where his love for real estate truly began to take shape. That passion made his move into real estate feel like a natural next step.
Mark brings a wealth of knowledge to the table, not just about buying and selling homes, ...
Mark C Sullivan's listings & sales (25)
For Sale
Sold (25)
Address | Sold date | Closing price | Represented | Flag Sale |
---|---|---|---|---|
9/29/2025 | $735,000 | Buyer | ||
7/11/2025 | $500,000 | Seller | ||
5/15/2025 | $380,000 | Buyer | ||
4/23/2025 | $400,000 | Buyer | ||
4/23/2025 | $474,500 | Seller |
Mark C Sullivan's reviews (9)
Write a review- Highly likely to recommend||5.05.0
7/13/2025 - ginastucchi
Sold a Condo home in 2025 in Ashland, MA.Local knowledgeProcess expertiseResponsivenessNegotiation skillsI had a complicated estate sale and Mark was there to help every step of the process. When things got delayed he negotiated with the buyer and saved the sale. Cannot recommend him enough. - Highly likely to recommend||5.05.0
6/1/2025 - Simon Pun
Bought a home in 2025.Local knowledgeProcess expertiseResponsivenessNegotiation skillsNothing but great things to say about Mark. Very professional, responsive and patient with me throughout the whole process. I’m very picky especially this being my first home; but Mark was there the whole way to guide me through the stressful proces... - Highly likely to recommend||5.05.0
4/7/2025 - Aletta Nagel
Bought a Single Family home in 2024 in West greenwich, RI.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMark is amazing. He was aways looking out for my best interest and he even when to open house when I was not able to attend. I would recommend him to anyone look for a realtor that truly cares about the buyer and what is best for them. - Highly likely to recommend||5.05.0
10/15/2024 - Dorothy LeClaire
Sold a Single Family home in 2024 in Barrington, RI.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMark is someone that we have known for years. He values honesty and integrity in all matters. When assisting us in the sale of our home in Barrington RI, he showed clear knowledge of the local area, including where we might have "competition" with... - Highly likely to recommend||5.05.0
10/7/2024 - Sean Blackmer
Bought a Single Family home in 2024 in Johnston, RI.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMark was a big help in this competitive market, I don't think we would have been able to secure a house without his assistance. He was very knowledgeable about areas throughout the state. His availability around the clock for questions and concerns w...