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Margaret Trautmann

Margaret Trautmann
Real Estate Agent (Associate Broker)
Locust Valley NY

Associate Broker (NY: 30TR0791902)

34 years experience

REALTOR® 6 Active Listings Serves Nassau County, NY
View on Realtor.com

Contact Information

Brokerage
Compass
Office Address
41 The Plz
Locust Valley, NY  11560
(Nassau County)
Office Phone
516-500-8271
Office Fax
Mobile
516-361-4646
Email
marg**************@*******.com
Show Email for $5

Service Areas

Old Westbury: NY Muttontown: NY Glen Head: NY Upper Brookville: NY Old Brookville: NY Glenwood Landing: NY Brookville: NY Lattingtown: NY Matinecock: NY Glen Cove: NY Locust Valley: NY Mill Neck: NY East Norwich: NY Cove Neck: NY Laurel Hollow: NY Centre Island: NY Oyster Bay: NY Oyster Bay Cove: NY Bayville: NY

About Margaret Trautmann

Margaret ranks among the top 1% of residential brokers in the North Shore Gold Coast region. Her distinguished career spans over 30 years, during which she has developed exceptional negotiating and interpersonal skills. These abilities were further refined through her participation in Herb Cohen's acclaimed course, "Negotiate This."

Her insights and expertise have made her a sought-after commentator, frequently featured in Newsday's real estate section and cited in the article "The Rich Buy Differently." Additionally, she has been quoted in the Sunday New York Times piece "Living in Lattingtown" and has made three appearances on NBC's "Open House New York," where she presented her high-profile listings, including Northwood in Oyster Bay Cove, priced at $18 million, and La Selva in Upper Brookville, listed at $16.95 million.

Most recently, Margaret showcased the Mediterranean mansion Villa Toscana in Mill Neck, NY, valued at $11.8 million, on CBS New York's "Living Large." Her portfolio also includes prestigious properties such as the Woolworth Mansion, listed for $20 million, and Sassafras in Old Brookville, priced at $15 million.

Margaret's extensive experience and in-depth knowledge provide invaluable support to both buyers and sellers, enabling them to achieve their real estate objectives with confidence.

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

$1,425,813
Avg. Listing Price
From Margaret'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, Margaret Trautmann has 6 properties for sale in Locust Valley and surrounding areas.

$675,000

Listed 2026-01-24

236 Edgemere St Unit 223
Montauk, NY  11954

Beds: 1.0
Baths: 2.0
Sq Ft: 639
Condos Map
View Full Details

$6,750,000

Listed 2025-07-10

145 Centre Island Rd
Centre Island, NY  11771

Beds: 5.0
Baths: 7.5
Sq Ft: 5,800
Lot: 753,588 sf
Single Family Map
View Full Details

$6,750,000

Listed 2025-07-09

144 Centre Island Rd
Centre Island, NY  11771

Beds:
Baths:
Sq Ft:
Lot: 753,588 sf
Land Map
View Full Details

$350,000

Listed 2026-01-23

313 Main St Apt B
Roslyn, NY  11576

Beds: 1.0
Baths: 1.0
Sq Ft: 850
Coop Map
View Full Details

$1,250,000

Listed 2025-03-17

Taylor Ct
Locust Valley, NY  11560

Beds:
Baths:
Sq Ft:
Lot: 371,567 sf
Land Map
View Full Details

$650,000

Listed 2025-09-04

13 Prospect St
Glen Head, NY  11545

Beds: 2.0
Baths: 1.0
Sq Ft: 948
Lot: 5,502 sf
Single Family Map
View Full Details

Current Property Rentals

Margaret Trautmann currently has no rental properties available in Locust Valley and surrounding areas. Check back later.