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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 18 reviews | Responsiveness
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 Norma | April 17, 2025 | Hired Attorney | Real Estate
Best Real Estate Attorney
Exceptional service, very responsive, always on top of everything, We had a very smooth closing, no delays. Thank you so much! Look forward to working with you in the near future.
Norma, thank you very much for your thoughtful feedback. It was a pleasure working with you as well, and I’m pleased to hear that my involvement in the transaction helped the closing process flow more seamlessly. I look forward to the opportunity to work together again in the near future!
Posted by Kayla | March 10, 2025 | Hired Attorney | Residential
First Time Home Buyers!
We recently worked with Ryan on buying our first home in Somerville! As first time home buyers, we did not know what to expect from this process. Ryan helped us through each step, and was available whenever we needed questions answered or problems solved. It was great peace of mind to know that we ha...
Thank you, Kayla! I'm so happy to hear you were completely satisfied with our representation of you in your new home purchase. Wishing you all the best in your brand new home!
Posted by Antonia | February 27, 2025 | Hired Attorney | Real Estate
Exceptional
Ryan is an exceptional attorney. He was able to accomplish in less than a week what another Orleans law firm could not do in 2 1/2 months. Timing of property deed transfers was critical and after speaking with him I was confident he would do whatever it took to get it done. I am located in NY but the...
Thanks Antonia! It is great to read that you were so happy with our service, and I am glad we could expedite things for you. Looking forward to working together again in the future!
Posted by Nelson | September 28, 2024 | Hired Attorney | Business
Amazing Professional Service
Ryan's services were crucial and well recieved as he helped me and two others close an important deal that presented several obstacles through no fault of Ryan. Ryan was great and incredibly supportive. Provided timely responses, strong support, and was attentive to detail. He did a fantastic job and...
Thanks, Nelson! I look forward to working with you again as well! I'm glad you found my services to be helpful. Best of luck with everything and if I can be helpful with anything else I'm always just a phone call away!
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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