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"Mary helped us find our first home. It took us quite a while because we were first-time buyers, and circumstances kept changing for us. Towards the end, things became a bit difficult because of the COVID pandemic. However, Mary understood we needed time to make a decision. She was with us every step of the way. She was incredibly professional and responsive, and patiently took the time to guide us through the process. She always looked at things from our perspective, while also providing us expert advice when we needed her input. Despite the inconveniences of COVID restrictions, Mary made sure everything went smoothly, from negotiating offer to closing. Even after closing, she continued to check on us. Mary made us feel that we are not just another business dealing on paper. I would strongly recommend Mary to anyone looking for a realtor in the Seattle area." -Eric and Julia
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"I have enlisted the services of several realtors over the past few years, and can say without hesitation that Mary Sullivan is by far the most responsive, organized, and professional. She has a super positive energy, and made the process such a pleasure from start to finish. Mary went above and beyond to negotiate the offer, coordinate all the details, and move everything smoothly through closing. We have a wonderful new home thanks to Mary! I would highly recommend Mary Sullivan to anyone seeking a realtor who demonstrates excellence and integrity, with a down to earth attitude that makes the experience a delight." -Cindy
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"Working with Mary to sell my parent's house of 50 years was great. She was very helpful in finding us contractors and handy-men as we prepared the house for sale. The house was priced well and sold in one weekend. I would definitely choose Mary again with any future real estate needs." -Roger K
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"My family has used Mary Sullivan four times. Twice to sell and twice to buy. We have never met another Realtor with more Integrity than Mary Sullivan. She worked hard for us in both buying and selling and we would not hesitate to use her services again when needed. Sheās honest, hardworking and trustworthy." -Terri and Tim S
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"We can't speak highly enough of Mary Sullivan as our real estate agent. Her professionalism, knowledge, honesty, integrity, and hard work ethics were very much appreciated and respected. Mary was patient and explained the process to us and let us know what we needed to do to our home to get the sale - she went above and beyond throughout the process!
Selling a home is stressful and we were so thankful we had Mary on our side, her calm demeanor was so appreciated.
We would highly recommend Mary Sullivan to anyone selling or buying a house!" -Julie and David
Mary Sullivan | Broker, SRESĀ®
Mary Sullivan is known for being thoughtful, hardworking, and fully committed to her clients. With a background as a paralegal, she brings a strong understanding of contracts, attention to detail, and a calm, solutions-oriented mindset to every transaction.
Mary works with buyers and sellers at all stages of life. She enjoys helping first-time homebuyers feel confident and supported, growing families find homes that fit their evolving needs, and longtime homeowners navigate the transition to something simpler. As a designated Senior Real Estate Specialist (SRESĀ®), she also provides extra support to older adults and their families during downsizing or retirement movesāalways with patience, clarity, and respect. Whatever the situation, Mary tailors her approach to match her clientsā goals and comfort level.
A Bellevue native, Mary has lived most of her life on the Eastside and offers deep insight into its neighborhoods, communities, and market trends. She pairs this local knowledge with the powerful tools and marketing reach of Compass to give her clients a clear advantage.
Mary enjoys volunteering with the Redmond Historical Society, Acres of Diamonds and local senior centers. She is dedicated to providing every client with a seamless, confident and successful real estate experience.