About Us

The Diamond Law Group is a Long Island, New York real estate law firm dedicated to providing efficient and professional service on a personal level.

OUR ATTORNEYS

Partners

Managing Partner

Richard Klein

Richard David Klein, Esq. joined the Diamond Law Group in 2002 while attending Touro College Jacob D. Fuchsberg Law Center, in Huntington, New York at night.  He was admitted to practice law in New York in 2007, concentrating on transactional real estate law, including representation of buyers, sellers, and lenders. He has personally mentored most…

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Richard Klein

Managing Partner

Jonathan Bellezza

Jonathan P. Bellezza, Esq is a 2013 graduate of Touro College Jacob D. Fuchsberg Law Center, in Central Islip, New York. He was admitted to practice law in New York in 2014 and is the newest partner at the firm as of 2017. His drive, professionalism, and attention to detail allowed him to make partner…

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Jonathan Bellezza

Our Associates

Associate

Frank Castiglione

Received his Bachelors of Science/Bachelor of Arts Degree from Georgetown University in 1983 and his Juris Doctor Degree from St. John’s University School of Law in 1993, and is admitted to practice law in both the state of New York and New Jersey, as well as the United States District Court, District of New Jersey…

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Frank Castiglione

Associate

Noreen Donovan

Noreen A. Donovan, Esq is a 1986 graduate of New York Law School, New York, NY. She was admitted to the New York State Bar in 1987. As the founding partner of Noreen A Donovan, P.C., a firm which opened its doors in 1996, she developed a practice which concentrates in Real Estate, Commercial transactions…

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Senior Associate

Katrina Lentino

Katrina Lentino, Esq. is a Senior Associate Attorney at Diamond Law Group. She is a 2017 graduate from Hofstra Law School, in Hempstead, New York. She was admitted to practice law in New York in January 2018, concentrating on transactional real estate law, including the representation of buyers, sellers, and lenders. Prior to receiving her…

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Katrina Lentino

Associates

Julia Mastrotto

Julia Mastrotto, Esq., is a 2020 graduate of Touro College Jacob D. Fuchsberg Law Center, in Central Islip, New York. She was admitted to practice law in the State of New York in 2021. Julia attended schooling internationally, has traveled the world and spent time living abroad. She eventually settled in Long Island, New York,…

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Julia Mastrotto

Pending Bar Admission

JD

Daniel Halbig

Dan Halbig is a graduate of The Maurice A. Deane School of Law at Hofstra University, in Hempstead, New York. He is presently awaiting bar admission and looks forward to practicing in the area of transactional real estate law, including the representation of buyers, sellers, and lenders. Prior to receiving his J.D., he worked as…

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Haley Stephani

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Haley Stephani

Our Paralegals

Bank Paralegal

Rebecca Belmonte

Rebecca Belmonte has been working for diamond law group since 2015. She attended Bloomsburg University where she double majored in history and education while playing lacrosse for the university. She then went on to Hofstra University to get her paralegal certification. She primarily works on bank transactions and some buy and sale transactions.

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Rebecca Belmonte

Bank Paralegal

Naomi Bonhomme

Naomi Bonhomme joined the Diamond Law Group team in 2020 as Richard Klein’s paralegal. Naomi works in our banking department where she assists in mortgage transactions.    Naomi attended The University of Bridgeport, where she majored in Industrial Design with a minor in Business Administration. She continued her education at New York City College of…

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Naomi Bonhomme

Paralegal

Christina Do

I attended Rutgers University – New Brunswick, majoring in Political Science and minoring in Psychology. I’ve had years of experience in retail and management but soon discovered my passion for real estate. I wish to attend law school in the near future to further my career in real estate law, in hopes to building my…

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Paralegal

Lisa Doty

Lisa Doty joined Diamond Law Group in 2019 as a Real Estate Paralegal, working with our clients to ensure they understand all aspects of the home-buying and selling process from contract to closing. Originally from Denver, Colorado, Lisa has lived and worked as a paralegal on Long Island for over thirteen years, cultivating relationships with…

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Bank Paralegal

Gia Khan

Gia Khan has been an integral part of the Diamond Law Group since 2005; fresh out of college. She attended New York Institute of Technology as well as SUNY Old Westbury and graduated with a major in Psychology and minor in Criminology. After graduation, she was able to get hands on experience working with the Diamond Law…

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Bank Paralegal

Nicole Limbach

Nicole Limbach joined Diamond Law Group in 2015 and handled residential real estate matters.  She has since transitioned to handling all aspects of REO transactions.  Nicole studied at Suffolk County Community College and in her spare time, she enjoys spending time with her family and in the winter, snowmobiling with her fiancé.

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Bank Paralegal

Danielle Senecal

Danielle Senecal joined Diamond Law Group in February of 2021. She graduated from St. Joseph’s College with a BS in criminal justice, and a minor in psychology. She aspires to pursue a career in real estate law in the future. In her free time, she enjoys coaching volleyball, going to the gym, and cooking.

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Danielle Senecal

Paralegal

Danielle Venturino

Danielle Venturino joined Diamond law Group in July of 2020. She is a new graduate from hofstra university with a double major in criminology and psychology. She has future aspirations to attend law school and pursue a career as an attorney. During her free time she enjoys to draw / sketch, go to the beach,…

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Danielle Venturino

Paralegal

Delia Young

Delia Young joined the Diamond Law Group team in 2015 as Richard Klein’s paralegal. She assists with all aspects of the firm’s residential real estate transactions. Delia received her bachelor’s degree from Stony Brook University with a major in Psychology and a minor in Political Science. She furthered her education at Hofstra University where she…

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Support Staff

Office Manager and Social Media Director

Diana Hofmann

Diana Hofmann joined Diamond Law Group in 2021. She attended Sacred Heart University and received her Bachelor’s Degree in Communications. Diana is very interested in real estate law and enjoys assisting our DLG Team & updating all of our social media platforms! During her free time she enjoys traveling, boating, skiing and spending time with…

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Our Firm Founder

Founding Partner

Mitch Diamond

Mitch is the Founder (retired) & General Counsel Emeritus of Diamond Law Group. Mr. Diamond has been practicing in the area of Residential Real Estate exclusively for 20 years.   His expertise has evolved over the past two decades through helping Buyers and Sellers navigate through their Home Purchases and Sales.   Coming from a restaurant background and…

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