Karen Guendjoian
Real Estate Agent (Salesperson)
Garden City NY

Salesperson (NY: 40GU1057239)

REALTOR® 1 Active Listings Serves Nassau County, NY
View on Realtor.com

Contact Information

Brokerage
Office Address
182 7th St
Garden City, NY  11530
(Nassau County)
Office Phone
516-408-2231
Office Fax
Mobile
516-746-5511
Email
karen.guendjoian@compass.com

Service Areas

Village of Garden City: NY Garden City: NY Uniondale: NY Garden City South: NY Stewart Manor: NY

About Karen Guendjoian

Since joining Coach Realtors in 2005, Karen has successfully facilitated over $92 million in residential real estate transactions. Notably, she was responsible for listing and marketing the highest-priced residential sale in Garden City as of February 2007. A graduate of Boston College, Karen spent six years at McCann Erickson, a prominent advertising agency, before transitioning to real estate.

In recognition of her achievements, Karen was honored as the top sales agent at the Coach Realtors Garden City office in 2012 and later as the top listing agent in 2013. She holds dual licenses for both the Garden City and Manhasset offices.

As a licensed real estate salesperson, Karen is dedicated to providing comprehensive communication and information to assist her clients in their decision-making processes. She manages transactions meticulously, ensuring a smooth transition for sellers and buyers alike. Her expertise encompasses property marketing, coordination of contracts, and compliance with New York State disclosure requirements. Additionally, she arranges site inspections and liaises with mortgage lenders.

Karen possesses in-depth knowledge of local market trends and home values, offering her clients regular, detailed progress reports. She supports buyers in identifying lenders, obtaining pre-qualification, securing financing, and navigating negotiations, including balancing offers and counteroffers.

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

$1,496,994
Avg. Listing Price
From Karen'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, Karen Guendjoian has 1 property for sale in Garden City and surrounding areas.

$1,729,000

Listed 2026-05-06

4 Astor Ct
Dix Hills, NY  11746

Beds: 6.0
Baths: 4.5
Sq Ft: 3,609
Lot: 43,560 sf
Single Family Map
View Full Details

Current Property Rentals

Karen Guendjoian currently has no rental properties available in Garden City and surrounding areas. Check back later.