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David Lunenfeld

David Lunenfeld
Real Estate Agent (Associate Broker)
Mount Sinai NY

Associate Broker (NY: 10301207569)

33 years experience

REALTOR® 7 Active Listings Serves Suffolk County, NY
View on Realtor.com

Contact Information

Brokerage
Coldwell Banker American Homes
Office Address
276 Rte 25a
Mount Sinai, NY  11766
(Suffolk County)
Office Phone
631-331-3700
Office Fax
631-236-1297
Mobile
516-528-5107
Email
race****@***.com
Show Email for $5

Service Areas

Terryville: NY Centereach: NY South Setauket: NY Selden: NY Lake Ronkonkoma: NY Gordon Heights: NY Coram: NY Medford: NY Holtsville: NY Farmingville: NY St. James: NY Lake Grove: NY Middle Island: NY Yaphank: NY North Bellport: NY Rocky Point: NY Miller Place: NY Mount Sinai: NY Oakdale: NY West Sayville: NY Great River: NY Port Jefferson Station: NY Setauket-East Setauket: NY Belle Terre: NY Port Jefferson: NY Shoreham: NY Sayville: NY Cherry Grove: NY Bayport: NY East Shoreham: NY Ridge: NY Sound Beach: NY Wading River: NY Calverton: NY Jamesport: NY Northville: NY Riverhead: NY Eastport: NY Riverside: NY Aquebogue: NY Flanders: NY Northampton: NY Manorville: NY Baiting Hollow: NY Remsenburg-Speonk: NY Mastic: NY Shirley: NY Mastic Beach: NY Center Moriches: NY Moriches: NY Brookhaven: NY Smith Point: NY East Yaphank: NY

About David Lunenfeld

With over 22 years of dedicated experience in the real estate industry, this full-time Realtor has been serving clients since 1993. Renowned for exceptional service, they prioritize client needs and have earned high recommendations from both past clients and colleagues. As a consistent top producer and multi-million dollar producer, they are committed to delivering superior results. References are readily available to attest to their professionalism and effectiveness in the real estate market.

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

$2,180,503
Avg. Listing Price
From David's portfolio
4.0 / 3.1
Avg. Beds/Baths
Typical property size
5,355 sf
Avg. Square Footage
Interior living space
4631
Active Listings
Current inventory

Suffolk County's real estate market represents one of New York's most dynamic and diverse property landscapes, stretching across Long Island's eastern expanse from bustling suburban communities to exclusive waterfront estates. With 9,107 total actively licensed agents serving the region, this market demonstrates remarkable depth and professional expertise, reflecting the county's complex mix of residential neighborhoods, commercial districts, and luxury coastal properties that attract buyers from across the metropolitan area.

The sheer scale of professional representation in Suffolk County reveals a market that operates at institutional levels, where every one of the 9,107 agents maintains email connectivity, enabling rapid communication and deal coordination across multiple price points and property types. This extensive network of licensed professionals supports everything from first-time homebuyer transactions in communities like Brentwood and Central Islip to multi-million dollar estate sales in the Hamptons, creating a sophisticated ecosystem that responds quickly to market shifts and seasonal demand patterns.

Major Suffolk County, New York Real Estate Markets

The county's real estate activity concentrates heavily around several key metropolitan areas, with Huntington, Babylon, and Islip serving as major commercial and residential hubs that drive significant transaction volume. These central markets feature diverse housing stock ranging from post-war suburban developments to newly constructed luxury communities, while coastal areas like Southampton, East Hampton, and Montauk command premium pricing due to their proximity to beaches and seasonal rental potential that attracts both permanent residents and investment buyers.

Emerging markets in communities such as Patchogue, Riverhead, and Greenport have experienced surprising growth as buyers seek more affordable alternatives to traditional high-end areas, creating opportunities for agents specializing in value-oriented transactions and redevelopment projects. The contrast between these developing markets and established luxury zones like Sag Harbor creates multiple distinct real estate ecosystems within the county, each requiring specialized knowledge and different marketing approaches.

Market Dynamics and Geographic Complexity

Suffolk County's real estate market operates with distinct seasonal patterns that significantly impact pricing and inventory levels, particularly in eastern coastal communities where summer demand can drive rental rates up by 300% compared to winter months. This seasonality creates unique challenges for agents who must navigate fluctuating buyer preferences, vacation home purchases, and the complex interplay between permanent resident sales and investment property transactions that define much of the county's higher-end market activity.

Geographic complexity adds another layer of market sophistication, as properties just miles apart can vary dramatically in value due to school district boundaries, flood zone designations, and proximity to transportation corridors like the Long Island Rail Road. Agents must possess hyperlocal expertise about everything from septic regulations in rural areas to co-op board requirements in more developed communities, making market knowledge extremely specialized and location-dependent.

Why Businesses Need Suffolk County, New York Agent Contact Data

Companies serving the real estate industry can leverage Suffolk County's comprehensive agent database to reach professionals handling transactions across dramatically different price points and property types, from affordable housing initiatives to luxury estate sales exceeding $10 million. This diversity creates opportunities for businesses offering everything from basic transaction management tools to sophisticated wealth management services, as agents require different solutions depending on their specific market segments and client demographics.

The complete email accessibility across all 9,107 licensed agents enables businesses to execute targeted marketing campaigns that can be customized by geographic area, specialization, or transaction volume, allowing for precise audience segmentation that maximizes response rates and conversion potential in this competitive and professional market environment.

Current Property Listings

As of 2/13/2026, David Lunenfeld has 7 properties for sale in Mount Sinai and surrounding areas.

$319,900

Listed 2026-01-14

128 Exmore Ct Unit D
Ridge, NY  11961

Beds: 2.0
Baths: 1.0
Sq Ft: 1,278
Condos Map
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$849,900

Listed 2025-11-14

6 Laurel Cres
Manorville, NY  11949

Beds: 4.0
Baths: 2.5
Sq Ft: 2,592
Lot: 10,890 sf
Single Family Map
View Full Details

$1,150,000

Listed 2025-12-05

61 Eileen Cir
Jamesport, NY  11947

Beds: 4.0
Baths: 2.5
Sq Ft: 3,068
Lot: 21,780 sf
Single Family Map
View Full Details

$629,900

Listed 2025-11-18

48 Adams Ave
Sound Beach, NY  11789

Beds: 4.0
Baths: 1.5
Sq Ft: 2,102
Lot: 18,731 sf
Single Family Map
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$769,900

Listed 2026-02-10

246 Southern Blvd
Nesconset, NY  11767

Beds: 3.0
Baths: 1.5
Sq Ft: 1,640
Lot: 20,038 sf
Single Family Map
View Full Details

$199,900

Listed 2025-09-14

2 Monet Ct Unit 2
Middle Island, NY  11953

Beds: 1.0
Baths: 1.0
Sq Ft:
Coop Map
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$589,900

Listed 2025-12-18

7 Herdman Ct
Middle Island, NY  11953

Beds: 3.0
Baths: 2.0
Sq Ft: 1,634
Lot: 14,810 sf
Single Family Map
View Full Details

$289,900

Listed 2025-11-02

618 Lake Ct Unit 618
Middle Island, NY  11953

Beds: 2.0
Baths: 1.5
Sq Ft: 900
Coop Map
View Full Details

Current Property Rentals

David Lunenfeld currently has no rental properties available in Mount Sinai and surrounding areas. Check back later.