Margaret Trautmann

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

Associate Broker (NY: 30TR0791902)

REALTOR® 3 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
516-759-4800
Email
margaret.trautmann@compass.com

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)

$1,496,994
Avg. Listing Price
From Margaret's portfolio
4.1 / 3.0
Avg. Beds/Baths
Typical property size
2,500 sf
Avg. Square Footage
Interior living space
3110
Active Listings
Current inventory

If you need to reach working real estate agents in Nassau County, New York, this list was built for you. Mortgage lenders prospecting for referral partners, title companies looking to grow their closing volume, PropTech platforms launching in the New York metro, insurance providers targeting E&O or home warranty clients, continuing education providers, and recruiters building out their agent pipelines all rely on this data to drive outreach that actually lands in front of licensed professionals.

When you buy Nassau County real estate agent email list data from a source that maintains it properly, you are not just getting a spreadsheet — you are getting a direct line to {{AGENT_COUNT}} actively licensed agents with verified email addresses, plus {{CELL_COUNT}} agents who also have cell phone numbers on file. That kind of reach, at the county level, gives any B2B campaign a serious head start over cold prospecting from scratch.

Why Buy a Nassau County Real Estate Agent Email List From Dr Bill

This data is sourced directly from the New York State real estate licensing board, which means every contact represents a currently licensed agent — not someone who let their license lapse two years ago. New emails are added weekly, the full list is cleaned monthly, and the entire database is refreshed bi-annually. That ongoing maintenance is what backs the 96% deliverability guarantee. Cheap list vendors do not offer that because they cannot — they are reselling stale compiled data with no maintenance cycle behind it.

Dr Bill has been in the list business since 2005 and has sold over 31,000 lists to marketers, lenders, recruiters, and vendors across every industry that serves real estate professionals. That track record matters when you are spending real budget on outreach. The Nassau County file is available at the state, county, city, and zip code level — and no other vendor offers zip code-level segmentation within Nassau County specifically.

How to Use This Nassau County Agent List

The most immediate use is cold email outreach through platforms built for it. Tools like Zap Contact (zapcontact.com) are designed to handle verified B2B contact lists, manage sending volume, and track campaign performance without getting flagged. Beyond email, the same data supports direct mail drops, phone and SMS campaigns using the included cell numbers, and LinkedIn audience matching to layer in display-level touchpoints alongside your direct outreach.

You can also segment the list by broker versus sales agent status, which changes your messaging entirely. Brokers respond to different value propositions than individual agents, and splitting your campaign accordingly consistently improves conversion rates across every channel.

Why Nassau County, New York Agent Data Matters

Nassau County covers a dense, high-activity market that includes Garden City, Great Neck, Hempstead, Mineola, Hicksville, and Valley Stream, among others. With {{AGENT_COUNT}} licensed agents working across these communities, the county represents a concentrated professional population worth targeting on its own terms — not as a footnote inside a statewide New York blast that dilutes your budget across irrelevant markets.

Local targeting at the Nassau County level lets you tailor your offer to the specific submarkets and brokerage culture agents here actually work in. A statewide list means competing for attention alongside every other vendor blasting Albany, Buffalo, and Syracuse simultaneously. A county-level file with zip code segmentation means your message reaches the right agents, in the right neighborhoods, with copy that speaks directly to their market.

Current Property Listings

As of 6/27/2026, Margaret Trautmann has 3 properties for sale in Locust Valley and surrounding areas.

$4,375,000

Listed 2026-06-09

1862 Muttontown Rd
Muttontown, NY  11791

Beds: 6.0
Baths: 6.5
Sq Ft: 6,235
Lot: 118,919 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: 0
Lot: 753,588 sf
Land 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

Current Property Rentals

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