Maureen Deegan Breen

Maureen Deegan Breen
Real Estate Agent (Limited Liability Broker)
Sea Cliff NY

Limited Liability Broker (NY: 10491213160)

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

Contact Information

Brokerage
Branch Real Estate Group Llc

Office Website
Office Address
203 Glen Cove Ave
Sea Cliff, NY  11579
(Nassau County)
Office Phone
516-671-4400
Office Fax
Mobile
917-744-3961
Email
mollydeegan@branchreg.com

Service Areas

Sea Cliff: NY Glen Cove: NY Glen Head: NY Old Westbury: NY Muttontown: NY Upper Brookville: NY Old Brookville: NY Glenwood Landing: NY Brookville: NY East Hills: NY Roslyn Estates: NY Searingtown: NY Flower Hill: NY Roslyn: NY Roslyn Harbor: NY North Hills: NY Lattingtown: NY Matinecock: NY Locust Valley: NY Mill Neck: NY Bayville: NY New Hyde Park: NY Manhasset Hills: NY North New Hyde Park: NY Queens: NY New York: NY Garden City Park: NY Hillside Manor: NY Herricks: NY Thomaston: NY Manhasset: NY Plandome Heights: NY Plandome Manor: NY Plandome: NY Munsey Park: NY Port Washington: NY Baxter Estates: NY Port Washington North: NY Manorhaven: NY Sands Point: NY Jamesport: NY Mattituck: NY Cutchogue: NY Peconic: NY Greenport West: NY Southold: NY Laurel: NY

About Maureen Deegan Breen

Molly serves as the Owner and Broker of Branch Real Estate Group, bringing over 25 years of expertise in real estate investment and business management. With residences on both the North Shore and North Fork of Long Island, she merges her enthusiasm for real estate with a robust background in marketing, sales, and management.

Before establishing Branch Real Estate Group, Molly held prominent roles such as Executive Events Marketing Director at AOL Time Warner and Executive Vice President of Marketing and Wine Club Director at Bedell Cellars. Her extensive career includes significant positions in public relations and client relations, where she orchestrated major multimedia events for esteemed organizations like The Hearst Corporation, Saatchi & Saatchi, and Conde Nast’s House & Garden Magazine, as well as the Robert Mondavi Winery.

Molly's contributions to the industry have been recognized with several awards, including the 2019 Long Island Press Power Business Woman, the 2020 Long Island Business News 50 Most Influential Women in Business, and the 2022 Long Island Herald Premier Business Woman Award.

Residing in Sea Cliff with her husband John and their children, Frances and James, Molly is deeply rooted in the community she serves.

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

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

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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.

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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.

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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.

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Current Property Listings

Maureen Deegan Breen currently has no properties listed for sale in Sea Cliff and surrounding areas. Check back later.

Current Property Rentals

Maureen Deegan Breen currently has no rental properties available in Sea Cliff and surrounding areas. Check back later.