Mark Leventhal

Compass

13 Years of Experience

(140)

$34M

Total Sales Last Year

Years of Experience

Recent TransactionsTransactions from the last 3 years

$1.5M

Average Price Point

Service Areas

Albertson, NY Bayside, NY East Norwich, NY Jericho, NY Manhasset, NY New Hyde Park, NY Port Washington, NY Roslyn Heights, NY Roslyn, NY Syosset, NY Woodbury, NY

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About Mark Leventhal

Partnering with Mark Leventhal to buy or sell your home on the Long Island North Shore is a refreshing, rewarding experience. The honesty, integrity, professionalism and hard work he brings to every client and every deal add up to a proven track record of results, which has set him apart in his field. Recognized for his excellence, Mark ranked as the #2 Agent in the Manhasset office at his prior brokerage firm in 2019, 2018, and 2017, and in the Top 10 for Long Island in 2019 and 2018. He is a Licensed Associate Real Estate Broker representing buyers and sellers in luxury real estate from Long Island to New York City, focused on achieving his clients' unique goals. Mark also holds the Certified Buyers Representative (CBR) designation. He exceeds expectations as a listing agent and buyer's agent, handling relocation, condos, gated communities, and single-family homes throughout the desirable North Shore. A North Shore Gold coast native and lifelong resident, Mark currently lives in Manhasset with his wife. He is very knowledgeable of homes in the area, and is an expert negotiator who can get the deal done. His seasoned background as an entrepreneur and business owner in the financial industry for over 25 years affords him a distinct advantage when working with clients and helping them navigating complex transactions. Mark has not only perfected his craft but won the loyalty of his clientele. His rave reviews say it all. As one happy client put it: "I've bought and sold 4 homes over the years and Mark was by far the most attentive, hardworking agent I've ever had. His level of personal consultation in regard to selling our house was outstanding. He helped us plan out minor renovations to improve the property, worked with our contractor and HOA to make sure everything was buttoned up, and priced the home right for a quick sale. We could not be happier with the results, and with Mark!" Want to Buy or Sell? Have questions about the market? Call Mark at 516-330-8001 for all your Real Estate solutions and answers!

Specialties

Sellers
Residential Property

Awards

2025
TOP AGENT
Manhasset, NY
2025
TOP AGENT
Roslyn, NY
2025
TOP AGENT
Port Washington, NY

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Mark Leventhal's Reviews & Ratings

140 Reviews

(5/5)

Note: Reviews may include other agents on their team

What clients say about this agent....

Professional
Responsive
Knowledgeable
Trustworthy
Communicative
Outstanding
Hard working
Attentive
Sold Quickly
Available Remotely

Jonathan C.

Review for Member: Mark Leventhal

January 10, 2026

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

From the very beginning, Mark understood the complexities I expressed and provided guidance every step of the way, addressing my questions and considerations on listing timing, positioning, and expectations. He was proactive in communications, helping me navigate everything from the initial listing to the final closing. In between, he was the dedicated person on the ground when I wasn't personally available to address certain matters. His professional manner was sincere and excellent, and his knowledge of the market was evident in our interactions. If you are looking for a broker who is not only an expert at his profession but also a partner that will help you find right fit solutions, Mark is your person to work with.

Karen H.

Review for Member: Mark Leventhal

January 6, 2026

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

I had a very positive experience with Mark. He was knowledgeable and came prepared for our initial meeting, and then showed a lot of patience when managing the needs of the various parties involved in this sale.

Roy F.

Review for Member: Mark Leventhal

December 29, 2025

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

Mark Leventhal was an outstanding real estate broker who helped me find a home in Manhasset, NY. He has deep knowledge of the local market, was incredibly responsive, and took the time to truly understand my needs and priorities. Mark guided me through every step of the process with patience and professionalism, from identifying the right listings to navigating negotiations and closing. His advice was thoughtful and data-driven, and I always felt confident making decisions with his guidance. I highly recommend Mark to anyone looking for a knowledgeable, trustworthy, and dedicated broker on the North Shore.

Yahyamushtaq

Review for Member: Mark Leventhal

December 19, 2025

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

Mark did an amazing job in getting me the house of my dream. It was a smooth buy, amazing first time buyer. I would not choose any other broker than mark for my next deal of any property. It was the best decision.

Chak W.

Review for Member: Mark Leventhal

November 27, 2025

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

Mark was very helpful in setting up the advertisement and showcasing the property to the buyer. He was very knowledgable and used easy-to-understand ways to explain how the sale will proceed. I would recommend Mark because he was not only friendly and knowledgable, but also a great agent to cooperate with.