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Mark Leventhal

Mark Leventhal
Real Estate Agent (Associate Broker)
Manhasset NY

Associate Broker (NY: 10301213996)

13 years experience

REALTOR® 5 Active Listings Serves Nassau County, NY
View on Realtor.com

Contact Information

Brokerage
Office Address
1468 Northern Blvd
Manhasset, NY  11030
(Nassau County)
Office Phone
516-517-4751
Office Fax
Mobile
516-330-8001
Email
mark**********@*******.com
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Service Areas

Russell Gardens: NY Great Neck Plaza: NY Great Neck: NY Great Neck Gardens: NY Saddle Rock: NY Thomaston: NY Saddle Rock Estates: NY Manhasset: NY Great Neck Estates: NY Lake Success: NY University Gardens: NY Kensington: NY Kings Point: NY Plandome Heights: NY Flower Hill: NY Plandome Manor: NY Plandome: NY North Hills: NY Munsey Park: NY New Hyde Park: NY Manhasset Hills: NY North New Hyde Park: NY Queens: NY New York: NY Garden City Park: NY Hillside Manor: NY Herricks: NY Port Washington: NY Baxter Estates: NY Port Washington North: NY Manorhaven: NY Sands Point: NY East Atlantic Beach: NY Atlantic Beach: NY Roslyn Harbor: NY East Hills: NY Roslyn: NY Greenvale: NY Old Brookville: NY Glenwood Landing: NY Brookville: NY Old Westbury: NY Roslyn Estates: NY Searingtown: NY Roslyn Heights: NY Albertson: NY Laurel Hollow: NY Syosset: NY Hicksville: NY Oyster Bay Cove: NY Muttontown: NY Woodbury: NY Plainview: NY Little Neck: NY

About Mark Leventhal

**Founding Agent - Compass North Shore Long Island**

Mark Leventhal offers a distinctive approach to buying and selling homes on Long Island’s North Shore, characterized by his commitment to honesty, integrity, and professionalism. His dedication to each client and transaction has established a remarkable track record, distinguishing him in the competitive real estate landscape.

In recognition of his achievements, Mark was ranked as the second agent in the Manhasset office of his previous brokerage for three consecutive years (2017-2019) and placed among the Top 10 agents across Long Island in 2018 and 2019. As a Licensed Associate Real Estate Broker, he specializes in luxury properties from Long Island to New York City, consistently striving to meet his clients' individual objectives. Mark also holds the Certified Buyers Representative (CBR) designation, enhancing his effectiveness as both a listing and buyer’s agent. His expertise encompasses various property types, including relocations, condominiums, gated communities, and single-family homes throughout the sought-after North Shore.

A native of the Gold Coast and a lifelong resident, Mark currently resides in Manhasset with his wife. His deep familiarity with the local market, combined with his exceptional negotiation skills, positions him to navigate complex transactions successfully. With over 25 years of experience as an entrepreneur and business owner in the financial sector, he brings a unique perspective to his real estate practice.

Mark's commitment to excellence has fostered strong loyalty among his clients, as evidenced by their enthusiastic testimonials. One satisfied client remarked, “Having bought and sold four homes, I can confidently say Mark is the most attentive and hardworking agent I've encountered. His personal consultation in preparing our home for sale was exceptional. He guided us through minor renovations, collaborated with our contractor and HOA, and ensured the property was competitively priced for a swift sale. We couldn’t be happier with the outcome and with Mark’s support!”

For inquiries about buying or selling a home, or to discuss the current market, contact Mark for comprehensive real estate solutions.

Nassau County, NY Real Estate Market Analysis (Single Family Homes)

$1,425,813
Avg. Listing Price
From Mark's portfolio
4.1 / 3.0
Avg. Beds/Baths
Typical property size
2,471 sf
Avg. Square Footage
Interior living space
3105
Active Listings
Current inventory

Nassau County's real estate market represents one of New York's most dynamic and valuable suburban landscapes, with properties consistently ranking among the highest-priced in the nation. This Long Island powerhouse attracts buyers seeking premium coastal living, top-tier school districts, and convenient Manhattan access, creating a marketplace where million-dollar homes are commonplace and inventory moves quickly despite premium pricing.

The county's real estate ecosystem supports 11,944 total actively licensed agents, with all 11,944 agents maintaining email contact information, reflecting the market's technological sophistication and professional connectivity. This robust agent network serves diverse communities from Hempstead's affordable starter homes to Old Westbury's sprawling estates, each requiring specialized market knowledge and relationship management.

Major Nassau County, New York Real Estate Markets

The Gold Coast communities of Manhasset, Port Washington, and Roslyn dominate Nassau's luxury segment, where historic estates and waterfront properties command prices exceeding $3 million. Meanwhile, established neighborhoods like Garden City, Rockville Centre, and Westbury offer premium suburban living with strong resale values, while emerging markets in Freeport and Uniondale present opportunities for first-time buyers and investors seeking appreciation potential.

Nassau's geography creates distinct micro-markets along the North Shore's prestigious waterfront communities versus the South Shore's beach-adjacent neighborhoods like Long Beach and Atlantic Beach. Each region maintains unique pricing dynamics, with proximity to transportation hubs like the Long Island Rail Road stations significantly impacting property values and market velocity throughout communities from Great Neck to Hicksville.

Market Dynamics and Geographic Complexity

Nassau County's real estate market operates on compressed inventory cycles, where desirable properties in sought-after school districts like Jericho or Syosset often receive multiple offers within days of listing. This competitive environment demands agents who understand hyperlocal nuances, from flood zone implications in waterfront areas to the impact of property taxes that can exceed $30,000 annually on premium homes.

The market's complexity extends beyond pricing to encompass co-op buildings in communities like Great Neck Plaza, new construction developments in previously industrial areas, and the ongoing conversion of larger estates into luxury subdivisions. These varied property types require agents with specialized expertise in everything from co-op board approval processes to new construction warranties and municipal approval procedures.

Why Businesses Need Nassau County, New York Agent Contact Data

Mortgage lenders, home inspection companies, and luxury service providers targeting Nassau County's affluent market need direct access to the county's extensive agent network to capture high-value transactions. With average home prices significantly exceeding national norms, each successful business relationship with local agents can generate substantial revenue through premium-priced services and repeat referral opportunities.

Technology companies, marketing firms, and financial services businesses benefit from connecting with Nassau's digitally-connected agent community to introduce innovative tools and services. Given the market's competitive nature and sophisticated clientele, agents actively seek resources that provide competitive advantages, creating opportunities for B2B companies offering everything from virtual staging software to client management platforms and investment analysis tools.

Current Property Listings

As of 2/13/2026, Mark Leventhal has 5 properties for sale in Manhasset and surrounding areas.

$598,000

Listed 2026-02-09

22 Linwood Rd N
Port Washington, NY  11050

Beds:
Baths:
Sq Ft:
Lot: 3,999 sf
Land Map
View Full Details

$3,199,000

Listed 2026-01-05

23 Hathaway Ln
Manhasset, NY  11030

Beds: 5.0
Baths: 4.5
Sq Ft: 3,618
Lot: 5,027 sf
Condos Map
View Full Details

$3,298,000

Listed 2025-11-05

23 Estates Ter N
Manhasset, NY  11030

Beds: 4.0
Baths: 4.0
Sq Ft: 4,200
Lot: 2,263,182 sf
Condos Map
View Full Details

$849,000

Listed 2025-09-24

224 Bryant Ave
Floral Park, NY  11001

Beds: 3.0
Baths: 2.0
Sq Ft: 1,458
Lot: 3,999 sf
Single Family Map
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$1,950,000

Listed 2025-11-08

147 Darters Ln
Manhasset, NY  11030

Beds: 3.0
Baths: 3.5
Sq Ft: 3,122
Condos Map
View Full Details

$775,000

Listed 2025-10-03

147I U Willets Rd
Albertson, NY  11507

Beds: 2.0
Baths: 2.5
Sq Ft: 1,649
Lot: 832 sf
Condos Map
View Full Details

Current Property Rentals

Mark Leventhal currently has no rental properties available in Manhasset and surrounding areas. Check back later.