Main Content

Slideshow and Quick Search

Start Your Search

Call-to-Action

Save Your Search Keep track of all your pre-selected properties with this handy tool

Home Valuation Start the process to receive an accurate report today

Get Email Alerts Receive instant updates on properties while you're on the go

Mark Sullivan

"Serving Greater Boston and all of Massachusetts."

I was born and raised in Massachusetts. I studied electrical engineering at the University of Lowell in Lowell, MA.

In 2000, I received my Massachusetts real estate agent license and hit the ground running, and had a great first two years at RE/MAX Real Estate Professionals in Shrewsbury, MA.

In 2002, I received my Massachusetts real estate broker license and opened Mark C. Sullivan Real Estate.

Featured Properties

What's New?

The No. 1 opportunity for listings this market expert sees in 2023

This is the market where opportunity abounds for the diligent, professional agent. Homeowners who have been unable to sell their homes need your expertise. ...

AI now complete with built-in stereotyping

If you want to use the ChatGPT chatbot for marketing, you need to be aware of its limitations and potential drawbacks, writes broker Teresa Boardman. It may make more sense, in fac ...

11 red flags that you’re getting off track in your real estate business

It is possible to tell when your real estate business is going off-course before it’s too late. By keeping your fingers on the pulse of your business, you can evaluate often and ...

Testimonials

Mark inherent caring and helpful personality have made this process stress free for me. He makes himself available and takes the time to go over any important details or questions. I would highly recommend him to anyone who is interested in buying or selling real estate.

- MJ

Mark Sullivan has so much knowledge on the buying process we are so thankful for him and the help he has provided us. He truly has been a blessing and we will be suggesting him to anyone we know looking to buy or sell.

- MR

Mark has been incredible in helping us buy and sell multiple properties. He answers the phone at any time of the day or night. He has unmatched experience and knowledge of the whole state of Massachusetts. Multiple members of my family have also used him and have the same experience highly recommended.

- RL

Mark made me feel at ease through the entire home buying process. He helped me every step of the way from showing me houses to helping me understand the paperwork. He made me feel comfortable by showing me the numbers and potential turn around on my investment. Mark traveled up and down from western ma to south shore to show me houses which was gre...

- RC

Mark was an excellent Real Estate Agent for us. We were first-time homebuyers and he thought of purchasing a home seemed so daunting at first. Mark help us feel comfortable and educated us in the home purchasing process. He was always cheerful, patient, and always ready to answer our questions. We saw many houses before we found the right one. He a...

- DS

781.492.3922