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Kathleen Doubleday
Real Estate Agent (Associate Broker)
Bridgehampton NY

Associate Broker (NY: 10301220011)

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

Contact Information

Brokerage
Serhant East End Llc

Office Website
Office Address
2405 Main St B
Bridgehampton, NY  11932
(Suffolk County)
Office Phone
631-500-8800
Office Fax
Mobile
631-288-6900
Email
kati**@*******.com
Show Email for $5

Service Areas

East Quogue: NY Quogue: NY Flanders: NY Shinnecock Hills: NY Tuckahoe: NY Hampton Bays: NY Remsenburg-Speonk: NY Westhampton: NY Westhampton Beach: NY Fire Island: NY West Hampton Dunes: NY Quiogue: NY Northampton: NY

About Kathleen Doubleday

**Dee & Kate Estates at Corcoran**

Dee Bonner and Katie Doubleday form a dynamic mother-daughter duo with extensive expertise in the Hamptons real estate market. Their dedication to delivering exceptional service is evident in every interaction, characterized by integrity and loyalty. They take pride in engaging with all facets of real estate, from collaborating with investors on property flips to advocating for both buyers and sellers. As active participants in the real estate community, Dee and Katie approach each day with enthusiasm, committed to providing a high standard of service to their clients.

**Katie Doubleday**

Katie Doubleday is a licensed real estate agent who embarked on her professional journey in 2010 as an assistant to her mother, Dee Bonner. She obtained her real estate license in 2012, humorously noting that her career began long before that, as she often accompanied her mother to open houses. A graduate of Westhampton Beach High School in 2003, Katie earned a Bachelor of Arts in Political Science with a minor in English Writing from Sacred Heart University in 2007. During her college years, she was honored to be a member of the Phi Eta Sigma National Honor Society and the Alpha Alpha Phi Chapter.

After spending seven years in Fairfield County, Connecticut, where she worked in corporate sales, Katie returned to the Hamptons in 2011. Since obtaining her real estate license, she has fully immersed herself in the field. Outside of her professional life, Katie is an avid reader and animal lover who cherishes time spent with her family and pets. She enjoys delving into fiction, listening to music, and attending concerts.

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

$2,180,503
Avg. Listing Price
From Kathleen's portfolio
4.0 / 3.1
Avg. Beds/Baths
Typical property size
5,355 sf
Avg. Square Footage
Interior living space
4631
Active Listings
Current inventory

Suffolk County's real estate market represents one of New York's most dynamic and diverse property landscapes, stretching across Long Island's eastern expanse from bustling suburban communities to exclusive waterfront estates. With 9,107 total actively licensed agents serving the region, this market demonstrates remarkable depth and professional expertise, reflecting the county's complex mix of residential neighborhoods, commercial districts, and luxury coastal properties that attract buyers from across the metropolitan area.

The sheer scale of professional representation in Suffolk County reveals a market that operates at institutional levels, where every one of the 9,107 agents maintains email connectivity, enabling rapid communication and deal coordination across multiple price points and property types. This extensive network of licensed professionals supports everything from first-time homebuyer transactions in communities like Brentwood and Central Islip to multi-million dollar estate sales in the Hamptons, creating a sophisticated ecosystem that responds quickly to market shifts and seasonal demand patterns.

Major Suffolk County, New York Real Estate Markets

The county's real estate activity concentrates heavily around several key metropolitan areas, with Huntington, Babylon, and Islip serving as major commercial and residential hubs that drive significant transaction volume. These central markets feature diverse housing stock ranging from post-war suburban developments to newly constructed luxury communities, while coastal areas like Southampton, East Hampton, and Montauk command premium pricing due to their proximity to beaches and seasonal rental potential that attracts both permanent residents and investment buyers.

Emerging markets in communities such as Patchogue, Riverhead, and Greenport have experienced surprising growth as buyers seek more affordable alternatives to traditional high-end areas, creating opportunities for agents specializing in value-oriented transactions and redevelopment projects. The contrast between these developing markets and established luxury zones like Sag Harbor creates multiple distinct real estate ecosystems within the county, each requiring specialized knowledge and different marketing approaches.

Market Dynamics and Geographic Complexity

Suffolk County's real estate market operates with distinct seasonal patterns that significantly impact pricing and inventory levels, particularly in eastern coastal communities where summer demand can drive rental rates up by 300% compared to winter months. This seasonality creates unique challenges for agents who must navigate fluctuating buyer preferences, vacation home purchases, and the complex interplay between permanent resident sales and investment property transactions that define much of the county's higher-end market activity.

Geographic complexity adds another layer of market sophistication, as properties just miles apart can vary dramatically in value due to school district boundaries, flood zone designations, and proximity to transportation corridors like the Long Island Rail Road. Agents must possess hyperlocal expertise about everything from septic regulations in rural areas to co-op board requirements in more developed communities, making market knowledge extremely specialized and location-dependent.

Why Businesses Need Suffolk County, New York Agent Contact Data

Companies serving the real estate industry can leverage Suffolk County's comprehensive agent database to reach professionals handling transactions across dramatically different price points and property types, from affordable housing initiatives to luxury estate sales exceeding $10 million. This diversity creates opportunities for businesses offering everything from basic transaction management tools to sophisticated wealth management services, as agents require different solutions depending on their specific market segments and client demographics.

The complete email accessibility across all 9,107 licensed agents enables businesses to execute targeted marketing campaigns that can be customized by geographic area, specialization, or transaction volume, allowing for precise audience segmentation that maximizes response rates and conversion potential in this competitive and professional market environment.

Current Property Listings

As of 2/11/2026, Kathleen Doubleday has 1 property for sale in Bridgehampton and surrounding areas.

$699,999

Listed 2025-09-20

231 Dune Rd Units 908 & 909
Westhampton Beach, NY  11978

Beds: 0.0
Baths: 2.0
Sq Ft: 480
Lot: 191,664 sf
Coop Map
View Full Details

Current Property Rentals

Kathleen Doubleday currently has no rental properties available in Bridgehampton and surrounding areas. Check back later.