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also known as David Marshall Datz PC, real estate attorney
Ryan practices residential real estate law and effectively represents buyers, sellers, and lenders. His legal experience ranges from a solo-practitioner law firm to the General Counsel's Office of the Boston Public Health Commission (BPHC), the nation’s first Public Health Commission, where Ryan advised and defended the agency’s approximately 1,800 employees and litigated in Suffolk Superior Court. While at BPHC, he wrote substantial portions of a successful and precedent-setting legal brief before Massachusetts Court of Appeals. Ryan is also former small business owner and a licensed Massachusetts Real Estate Broker. He earned a Bachelor of Science degree in Business Administration from Babson College and a Juris Doctor degree from Suffolk University Law School.
Prior to joining Datz Law, Ryan ran a successful real estate law practice with Ligris + Associates for over seven years. Before joining the bar, Ryan worked in Global Marketing and Communications at Reebok International Ltd. World Headquarters where he helped oversee and create international marketing campaigns. He also interned with the Commonwealth of Massachusetts Office of the State Auditor where he assisted in large educational audits of the Commonwealth’s public universities.
Using the unique skill sets he has obtained from these diverse industries, Ryan creates dynamic and efficient problem-solving solutions to more effectively advocate for the interests of his clients.
2
Practice Areas
15 years
8 years
Free Consultation
$0 first 30 minutes
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Chat withState: Massachusetts
Acquired: 2012
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530 Tremont Street, Boston, MA, 02116
167 Commercial Street, Provincetown, MA, 02657
179 Cranberry Highway (MA-6A), Orleans, MA, 02653
44 Client Reviews
Showing 1 - 5 of 10 reviews | Communication Style
Posted by Luke | November 25, 2025 | Hired Attorney | Real Estate
Ryan Cunningham, Five-Star Real Estate Attorney.
I highly recommend Ryan Cunningham. At 55, I never expected to need to buy a condo on short notice, but life had other plans for me. Ryan made the whole process smooth and far less stressful. He moved quickly, explained everything clearly, and was always responsive. His attention to detail and steady...
: Thank you so much for this incredibly thoughtful review. Buying on short notice can be overwhelming, and I’m truly glad I could help make things feel smoother and less stressful for you. It was a pleasure working with you, and I really appreciate your trust throughout the process. If you ever need anything down the road -or if friends or family find themselves in a similar situation - I’m always here to help. Wishing you many happy years in your new home!
Posted by Mary Ann Conte | August 23, 2024 | Hired Attorney | Real Estate
Review for Attorney Ryan Cunningham
Ryan Cunningham became my Real Estate attorney for the sale of my house only four months ago. My son introduced me to Ryan as a friend who could give me advice. As a recent widow, I made the decision to sell the house my husband and I built together 30 years ago. Selling my house was a daunting proce...
Thank you, Mary Ann. It was truly a pleasure working with you on both transactions and I'm glad you found my service to be helpful and attentive. I can't wait to see your new home!!
Posted by anonymous | October 26, 2023 | Hired Attorney | Residential
Great to Deal with
Ryan did a great job representing us on both the purchase and sale of a home. He was always available and responded very timely whenever we had a question or concern. He was very thorough and discovered a title issue weeks in advance of our closing date. This allowed us to easily rectify the issue a...
Thanks for the positive review! I am glad we were able to discover the problem with your Seller's title and work with them to ensure it was fixed quickly and in time for Closing! I hope you are enjoying the fall season in your new home and looking forward to the approaching holidays.
Posted by Robert | August 03, 2022 | Hired Attorney | Residential
Better than expected
Working with Ryan, and everyone at the firm, was so much better than I expected. I've bought and sold many, many properties over the years, but never I'm a state that requires an attorney. So, I was a little bit apprehensive. But Ryan made the process so easy, with constant updates and great commu...
Thank you for the positive review and I am thrilled that you had such a great experience! I appreciate that you put your trust in me and the DMD Team -- hopefully we can work again together soon!
Posted by Nasos | March 15, 2022 | Hired Attorney | Real Estate
Great experience working with Ryan
I would highly recommend Ryan, he has helped us with the closing documents for buying/selling real estate properties in three different occasions so far. He has been very responsive and easy to get a hold off, transparent about costs and the process and in all cases there was very little involvement ...
Thank you, Nasos! I appreciate the kind words. It was a pleasure working with you again!
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2020
Clients' Choice Award, Avvo
2019 - Present
Attorney, David Marshall Datz, PC
2012 - Present
Attorney, Ligris & Associates, PC
2011 - Present
Massachusetts Bar AssociationMember
2011 - Present
Boston Bar AssociationMember
2011 - Present
Massachusetts Lesbian and Gay Bar AssociationMember
Successful Defense against Big Tobacco
2011
JD - Juris Doctor
2006
Business Management
2019
2011
English