Glenn Barnett

Glenn Barnett
Real Estate Agent (Associate Broker)
Garden City NY

Associate Broker (NY: 10301214700)

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

Contact Information

Brokerage
Better Homes & Gardens Re As

Office Website
Office Address
166 7th St
Garden City, NY  11530
(Nassau County)
Office Phone
631-427-0010
Office Fax
Mobile
516-444-3939
Email
glenn.barnett@glenmarrealtygroup.com
Website

Service Areas

Garden City South: NY Franklin Square: NY Malverne Park Oaks: NY Village of Garden City: NY Garden City: NY Uniondale: NY Stewart Manor: NY West Hempstead: NY South Hempstead: NY Hempstead: NY Rockville Centre: NY Lakeview: NY Merrick: NY Bellmore: NY North Bellmore: NY North Merrick: NY

About Glenn Barnett

Glenn Barnett is a dedicated real estate professional with a strong focus on the Cathedral Gardens, West Hempstead, and Garden City markets. As a licensed real estate agent and General Contractor, he plays a vital role within the Donnelly Group, leveraging his extensive background in both property management and construction.

With prior experience at Mayfair Realty and Coach Realtors, Glenn brings a wealth of knowledge to his current position, where he is guided by seasoned experts to excel as a top agent. His dynamic approach, characterized by enthusiasm and a positive outlook, enables him to effectively navigate the complexities of real estate transactions.

Glenn's innovative strategies and ability to think creatively provide him with a distinct advantage in a competitive landscape. Committed to his clients, he is known for his integrity and strong work ethic, consistently delivering exceptional service whether they are buying or selling.

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

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

$1,188,889

Listed 2026-05-16

16 Kenilworth Rd
Mineola, NY  11501

Beds: 3.0
Baths: 2.5
Sq Ft: 1,711
Lot: 3,877 sf
Single Family Map
View Full Details

Current Property Rentals

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