Madeleine Ganis

Madeleine Ganis
Real Estate Agent (Associate Broker)
Locust Valley NY

Associate Broker (NY: 10301215169)

REALTOR® 0 Active Listings Serves Nassau County, NY
View on Realtor.com

Contact Information

Brokerage
Daniel Gale Sotheby's International Realty

Office Website
Office Address
1 Buckram Rd
Locust Valley, NY  11560
(Nassau County)
Office Phone
516-759-4800
Office Fax
Mobile
516-759-4800
Email
madeleineganis@danielgale.com

Service Areas

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

About Madeleine Ganis

Madeleine Gan has been a dedicated resident of Locust Valley since 1984, having spent her entire life in New York. As an engaged member of her community, she has balanced raising three children with her husband, Rod, while actively contributing to various local organizations. Her volunteer efforts include significant roles at the Grenville Baker Boys and Girls Club, The Center for Parents and Children in Glen Cove, and the Girl Scouts. Additionally, she has served on the Locust Valley Parent Councils and held a six-year tenure as a School Board Trustee for the Locust Valley Central School District. Madeleine also co-directed Locust Valley Adult Education and is proud to have been one of the program's original organizers.

Professionally, Madeleine is recognized as a member of the Silver Circle of Achievement and was honored in 2009 for achieving "Most Outgoing Referrals" at the Locust Valley Office. She holds memberships with the New York State Association of Realtors (NYSAR) and the Long Island Board of Realtors (LIBOR), and she is a Certified Buyer Representative as well as a certified Real Estate Short Sale Professional.

Madeleine is passionate about assisting clients and sharing her extensive knowledge of the local real estate landscape. She prides herself on her commitment to honesty and integrity, believing that her enthusiasm and experience will greatly benefit those who choose to work with her.

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

$1,496,994
Avg. Listing Price
From Madeleine'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

Madeleine Ganis currently has no properties listed for sale in Locust Valley and surrounding areas. Check back later.

Current Property Rentals

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