Mark Leventhal

Mark Leventhal

Licensed Associate Real Estate Broker

Social Media

Awards

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2025 - Ranked top 1.5% of Real Estate Professionals by "Real Trends Verified" of Agents Nationwide

2024 - Ranked top 1.5% of Real Estate Professionals by "Real Trends Verified"

2023 - Ranked by Wall Street Journal/Real Trends "America's Best Real Estate Agents"

2022 - Ranked by the Wall Street Journal/Real Trends "America's Best Real Estate Agents"

2019 - Ranked in the top 0.5% of Individuals by volume by Real Trends, America's Best


Douglas Elliman Diamond Award - 2019

#2 Agent in the Manhasset Douglas Elliman Office - 2019, 2018 & 2017 

#6 Agent with Douglas Elliman Long Island - 2019

#10 Agent with Douglas Elliman Long Island - 2018

Douglas Elliman Chairman's Circle Platinum Award - 2018

Douglas Elliman Chairman's Gold Circle Award - 2016 & 2017

Douglas Elliman Chairman's Circle Platinum Award - 2015

Douglas Elliman President’s Circle Award - 2014

Douglas Elliman Leading Edge Award - 2013

Douglas Elliman Rookie of the Year, Long Island - 2013
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Specialties

- Buyers Agent, Listing Agent, Relocation, Condos, Gated Communities, Single Family Homes
- Certified Buyer Representative (CBRĀ®)

Education

Boston University
About Mark
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Founding Agent - Compass Long Island

2025 - Ranked top 1.5% of Real Estate Professionals by "Real Trends Verified" of Agents Nationwide

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: ā€œI’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!ā€

Want to Buy or Sell? Have questions about the market? Call Mark at 516-330-8001 for all your Real Estate solutions and answers!

Client Testimonials

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I had an outstanding experience working with Mark Leventhal during the purchase of my condo. From the very beginning when I met him, he impressed me with his deep knowledge of the market and his thoughtful, patient approach. He never pushed me to make a decision before we were ready. Instead, he focused on helping us understand our options and what would truly be the right long-term fit for my family. When a condo finally came on the market that matched exactly what I was looking for, he strongly advised me to move quickly. He explained that a place like this wouldn’t be available for long. I trusted his guidance because it was grounded in real experience and a clear understanding of the local market. I moved forward and closed on the condo. I couldn't be happier with the outcome. What stood out most was his commitment to building a lasting relationship rather than just completing a transaction. He took the time to answer every question, offered honest guidance, and made the entire process feel calm and manageable. Thanks to his expertise and steady support, I found the condo I genuinely love. I highly recommend him to anyone looking for a real estate professional who is knowledgeable, patient, and genuinely invested in their clients’ best interests!." - Albert L.


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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." - Jonathan C.


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"I had the pleasure of working with Mark as both the listing and selling agent for the home I recently purchased, and I couldn’t be more satisfied with the experience. From the moment I first saw the listing, Mark was professional, transparent, and incredibly knowledgeable about the property and the local market. Even though he represented the seller, Mark handled the transaction with fairness and integrity, making sure all my questions were answered and that I felt confident every step of the way. His communication was prompt, his insights were valuable, and his dedication to making the process smooth was evident throughout. It’s clear that Mark takes great pride in his work and truly cares about the people he serves. I’m now happily settled in a home I love, and I have Mark to thank for making it all happen. Highly recommend him to anyone looking to buy or sell!" - Cary S.


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"Mark was very well prepared starting with our first meeting with him, he had a plan, he executed the plan, and when we ran into issues with potential buyers getting cold feet, he went out and found new buyers, and ended up negotiating a sale at what we all agreed was the top of the market." - Jeff G.

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"Mark is a true professional. Attentive, honest, friendly and responsive. This is our third property working with Mark and he is my go to broker. He commits from the start and thereafter. Whatever it is you need after the deal is done. He’s there for you. There’s plenty of diamonds in the rough. Mark is a polished gem! I highly recommend him to anyone!" - Laura L.

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"Mark Leventhal is the kind of broker everyone hopes to find, but few do. He is not just incredibly knowledgeable and super smart and responsive and honest, he cares and he stays involved. He goes the extra mile not just to make a "deal" but to help with all that comes after. Need a contractor, need a plumber, need a floor person, need a lawyer, just need someone to vent to or bounce ideas off of -- Mark is your man. Want to meet for the 13th time just to measure, he will make it happen. He is such a pleasure to work with. Mark is the consummate professional and a wonderful human being." - Nancy F

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"I’m a widowed senior with 3 boys still living at home. My youngest, a teenager in HS! Mark didn’t only walk me thru the process to list and sell my home and help me arrange a nearby rental so my son could finish HS here, he became a trusted friend. Doesn’t get better than that! I luv the guy!!" - John C.

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"Mark Leventhal has the qualities that make him an extremely successful and effective broker. I cannot say enough about his professionalism and knowledge within the industry. I found Mark to be a highly attentive agent, almost as if I was his only customer, although I know that was not the case. He returned all phone calls and emails the same day. I never felt neglected or unimportant. He is also highly personable with an engaging personality. " - Carrie C.
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"Mark was responsive and thorough; his strong local knowledge was a key advantage in our process; he was able to highlight the key points of the community and advantages of our home versus the rest." - Alex

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"Mark was instrumental in making a deal to purchase our house. He was fair, responsive, knowledgeable and friendly. It was a pleasure to work with him and he was always available, accommodating and present from beginning to end. Definitely would recommend him as a realtor." - Steve

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"Working with Mark has been a pleasure. He's knowledgeable of the market, patient when asked questions and available when needed. Highly recommended. I wouldn't work with anyone else." - Mark

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"Mark is very helpful and as honest as they come. He genuinely cares for his customers and goes the extra mile. Thanks Mark, we know we can count on you." - Zena

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"Mark has provided excellent work as a real estate professional for us over the past 5 years. He has always been extremely knowledgeable about the area he serves, and has a wealth of information to share with his clients. Mark recently helped us sell a condo in only 2 days because of his deep contacts with prospective buyers. Mark has our highest recommendations as a buyers or sellers agent."

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"Mark was extremely helpful and really listened to our needs. He was easy to work with, and, most importantly, not pushy in the least. I would highly recommend him." - Elana

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"It was a pleasure working with Mark Leventhal. He is extremely friendly and knowledgeable. He was immediately responsive to all of my questions and provided a great deal of relevant information. He went out of his way to make the experience as easy as possible. I highly recommend him to anyone seeking an excellent real estate broker." - Ralph

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"I would highly recommend Mark because of his knowledge and expertise of the real estate market. The entire process was stress free and I was always confident that our goal of selling my mother's condo would be accomplished . Always calm, professional, and reassuring; Mark was able to secure a great sale price through his excellent negotiating skills." - Rita

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"Mark was a pleasure to deal. He was very helpful with the negotiations and was quick in responding to texts and emails. He was knowledgeable about homes and the area I was buying in. I found that he was trustworthy and fair in discussions we had. I would look forward to working with him again in the future."

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"I have bought and sold 4 homes over the years and Mark was by far the most attentive and hard working 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. He also worked with our contractor and the home owners association to make sure everything was buttoned up. Mark is very knowledgeable of the homes in the area and helped us price the property perfectly for a quick sale. We could not be happier with the results and with Mark. He is extremely friendly, responsive, professional and works hard for you. He really listened to our needs and made it happen for us. I would not hesitate in using Mark for any future real estate transactions. 5 Stars!"

Mark Leventhal’s Listings

$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
$3,298,000 | 23 Estates Terrace North, Manhasset, NY 11030
1/26
Listed By Compass

$3,298,000

4
Bedrooms
4,200
Square Feet
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
$2,998,000 | 23 Hathaway Lane, Manhasset, NY 11030
1/34
Listed By Compass

$2,998,000

5
Bedrooms
3,618
Square Feet
a porch with seating space
a outdoor space with patio furniture
a living room with furniture and a flat screen tv
a view of a dining room with furniture and window
a kitchen with stainless steel appliances granite countertop a stove a sink and a refrigerator
a bedroom with a large bed and a window
a living room with furniture and a baby crib
a bedroom with a bed and a table in it
a bathroom with a sink a toilet and shower
a view of a house with a yard
a view of a house with backyard and a tree
a backyard of a house with table and chairs
1/12
Listed By Compass

$1,178,000

3
Bedrooms
1,120
Square Feet
40' x 95'
lot size
a view of street with a car parked on the road
Listed By CompassPending

$598,000

Unavailable
Bedrooms
Unavailable
Bathrooms
Unavailable
Square Feet
0.09
Acres
a view of a building with a street
wooden floor in an empty room with a window
an empty room with wooden floor and windows
a view of empty room with wooden floor
a view of an empty room with wooden floor and a window
a view of wooden floor and windows in a room
an empty room with wooden floor and windows
a view of an empty room
a view of an empty room
an empty room with a window and wooden floor
an empty room with wooden floor and windows
a view of an empty room with wooden floor
a bathroom with a granite countertop sink mirror vanity and toilet
a bathroom with a sink and shower
a view of an empty room with a window and wooden floor
a view of an empty room with wooden floor and a fireplace
wooden floor in an empty room
a bathroom with a sink a toilet and shower
a bathroom with a sink a toilet and a mirror
an empty room with wooden floor and windows
a view of an empty room with wooden floor and a fireplace
a kitchen with stainless steel appliances granite countertop a sink stove and refrigerator
a kitchen with stainless steel appliances granite countertop a refrigerator and a stove
a kitchen with stainless steel appliances granite countertop a sink stove and microwave
a kitchen with stainless steel appliances granite countertop a stove and a microwave
a kitchen with a sink and a refrigerator
a view of a glass door with a glass door
a view of a balcony with wooden floor
a view of empty room with wooden floor
an empty room with wooden floor and windows
a picture of a bench in front of a door
$588,000 | 61-15 98th Street, Unit 8J | Rego Park
1/32
Listed By CompassContract Signed

$588,000

3
Bedrooms
1,200
Square Feet

Mark Leventhal’s Transactions

Past Sales
$9,000,000 | 3 Halsey Farm Drive, Southampton, NY 11968

$9,000,000

4
Bedrooms
1.84
Acres

Listing Courtesy of Compass Greater NY LLC

$4,295,000 | 107 5th Street, Garden City, NY 11530

$4,295,000

6
Bedrooms
5,672
Square Feet
0.39
Acres
a front view of house with yard

$3,050,000

4
Bedrooms
4,544
Square Feet
0.54
Acres
a kitchen with a dining table chairs and chandelier

$2,568,000

3
Bedrooms
4,100
Square Feet
a view of a house with a yard

$2,525,000

3
Bedrooms
3,965
Square Feet

Listing Courtesy of R New York, Elizabeth T. Lindenmeier

a kitchen with kitchen island a stove a chandelier and a refrigerator

$2,368,000

3
Bedrooms
4,100
Square Feet
$2,298,000 | 220 Estates Terrace, Unit 220, Manhasset, NY 11030

$2,298,000

3
Bedrooms
4,100
Square Feet
a kitchen with kitchen island granite countertop a table and chairs in it

$2,285,000

5
Bedrooms
4,300
Square Feet
$2,225,000 | 189 Gosling Hill Drive, Unit 189, Manhasset, NY 11030

$2,225,000

3
Bedrooms
4,100
Square Feet
a view of house with yard

$2,200,000

4
Bedrooms
2,831
Square Feet
0.23
Acres
$2,200,000 | 17 Gracewood Drive, Manhasset, NY 11030

$2,200,000

3
Bedrooms
3,644
Square Feet

Listing Courtesy of Douglas Elliman Real Estate, Mark Leventhal

a view of a house with a yard and garage

$2,185,000

3
Bedrooms
a front view of a house with a garden

$2,160,000

3
Bedrooms
2,260
Square Feet
0.15
Acres

Listing Courtesy of Daniel Gale Sothebys Intl Rlty, Shohreh V. Hakimian; Daniel Gale Sothebys Intl Rlty, Soleyman Hakimian

$2,160,000 | 151 Darters Lane, Unit 151, Manhasset, NY 11030

$2,160,000

3
Bedrooms

$2,150,000

3
Bedrooms

257 Estates Terrace

Manhasset

$2,088,000 | 45 Claridge Circle Manhasset, NY 11030

$2,088,000

3
Bedrooms

45 Claridge Circle Manhasset, NY 11030

$2,060,000 | 39 Bluebird Hill Court, Manhasset, NY 11030

$2,060,000

3
Bedrooms
3,122
Square Feet

Listing Courtesy of Daniel Gale Sothebys Intl Rlty, Rosaline Livian; Daniel Gale Sothebys Intl Rlty, Mary Frances Sauvigne CBR

a living room with furniture and a fireplace

$1,975,000

4
Bedrooms
4,100
Square Feet
Past Rentals
$8,700 | 109 Dove Hill Drive, Manhasset, NY 11030

$8,700

4
Bedrooms
4,100
Square Feet
51.96
Acres
$7,250 | 112 Dove Hill Drive, Manhasset, NY 11030

$7,250

2
Bedrooms
51.96
Acres
$6,800 | 12 Glamford Avenue, Port Washington, NY 11050

$6,800

4
Bedrooms
3,000
Square Feet

Listing Courtesy of Papillon Homes Inc, Darren R. Mansell

$4,500 | 18 Marwood Road North, Unit B, Port Washington, NY 11050

$4,500

4
Bedrooms
2,000
Square Feet

Listing Courtesy of Daniel Gale Real Estate, Shohreh V. Hakimian; Daniel Gale Real Estate, Soleyman Hakimian

$4,300 | 333 Wellington Road, Mineola, NY 11501

$4,300

3
Bedrooms
0.08
Acres

Listing Courtesy of Daniel Gale Sothebys Intl Rlty, Stephanie L. Danias

front view of a house

$3,900

3
Bedrooms
0.13
Acres

Listing Courtesy of NY Best Homes Realty, Shi Hong Chow

a front view of a house with garden

$3,600

2
Bedrooms
1,444
Square Feet
0.02
Acres