Katie Doubleday Real Estate Agent - Serhant East End LLC

152 South Rd, Westhampton, NY Pending $4,395,000 - co-listed by Katie Doubleday — Pending $4,395,000 • Co-Listing Agent

580 Dune Rd Unit 5, Westhampton Beach, NY Pending $1,999,999 - listed by Katie Doubleday — Pending $1,999,999

Katie Doubleday listing agent for 11 Stuart Ct, Hampton Bays, NY - sold for $1,867,500 — Sold $1,867,500

70 Middle Pond Rd Unit 22, Southampton, NY For Sale $2,399,999 - listed by Katie Doubleday — For Sale $2,399,999

9 Deerland Dr, East Quogue, NY For Sale $2,899,999 - listed by Katie Doubleday — For Sale $2,899,999

Katie Doubleday

Bridgehampton NY

Serhant East End LLC

31 Closed Sales

$51.6M Total Value

$465K - $8.2M Price Range

$1.7M Average Price

Prior 5 years

About Katie

Katie is a Licensed Real Estate Agent who officially began her career in 2010 as her mom Dee Bonner's assistant before getting her license in 2012, although she often jokes that her career began when her mom got into real estate since she was always trying to follow her to open houses. A 2003 graduate of Westhampton Beach High School, Katie graduated from Sacred Heart University in 2007 with a Bachelor of Arts Degree in Political Science, Minoring in English Writing and was a member of Phi Eta Sigma National Honor Society and Alpha Alpha Phi Chapter. After living in Fairfield County, CT for seven years and working in corporate sales, Katie moved back to the Hamptons in 2011 with her husband before her daughter was born, got her real estate license, and has not looked back.

An avid reader and animal lover, Katie enjoys spending time with her family and pets, reading fiction books, listening to music, and going to concerts.

Home Types: House, Condo, Co-op

Years of Experience: 14

Education: Sacred Heart University

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	3
Total Value	$4,747,500
Average Sale Price	$1,582,500
Price Range	$780K - $2.1M

Buyer Deals
Total Deals	5
Total Value	$19,900,000
Average Sale Price	$3,980,000
Price Range	$975K - $8.2M

1 Year View by Quarter

Seller Deals
Total Deals	7
Total Value	$9,450,500
Average Sale Price	$1,350,071
Price Range	$715K - $2.1M

Buyer Deals
Total Deals	6
Total Value	$20,522,500
Average Sale Price	$3,420,417
Price Range	$623K - $8.2M

Seller Deals
Total Deals	20
Total Value	$24,726,499
Average Sale Price	$1,236,325
Price Range	$649K - $2.1M

Buyer Deals
Total Deals	11
Total Value	$26,875,000
Average Sale Price	$2,443,182
Price Range	$465K - $8.2M

5 Year View

Areas Katie is Experienced In

Katie's Listings and Deals

Katie's Active Listings

$2,399,999
- 5 Beds
- 2.5 Baths
- 12,240 Sq Ft
70 Middle Pond Rd

Unit 22

Southampton, NY
Rarely does a Southampton property offer the scale, privacy, and character of a standalone five-bedroom home with the ease of a waterfront community lifestyle. Set within Middle Pond Estates, this exceptional residence offers approximately 2,500 square feet of living space and an uncommon sense of scale.With a nod to Southampton's rich maritime heritage, the home evokes the spirit of a

Katie Doubleday Serhant East End LLC

$2,899,999
- 6 Beds
- 5.5 Baths
9 Deerland Dr

East Quogue, NY
Beyond a winding approach and surrounded by mature landscaping lies a residence where every detail has been considered, every finish elevated, and every space designed to enrich the way life is lived. Hidden behind mature trees on over an acre of beautifully landscaped grounds, this extraordinary East Quogue estate is a masterclass in modern luxury-thoughtfully designed, impeccably crafted, and

Katie Doubleday SERHANT.

$1,999,999

Pending
- 3 Beds
- 2.5 Baths
- 1,597 Sq Ft
580 Dune Rd

Unit 5

Westhampton Beach, NY
Nestled in the exclusive Hampton Court & Marina community at 580 Dune Road, Unit #5 offers an unparalleled coastal lifestyle just steps from both bay and ocean. This completely renovated 3 Bedroom, 2.5 Bath unit has been reimagined from the studs and beyond, with the utmost attention to every detail from top to bottom, and designed to impress. From the stunning Chef's kitchen to the open concept

Katie Doubleday Serhant East End LLC

Co-Listing Agent

$4,395,000

Pending
- 6 Beds
- 6.5 Baths
- 4,499 Sq Ft
152 South Rd

Westhampton, NY
There's something special about brand-new construction in Westhampton - the ease of knowing every finish, every space, and every detail was thoughtfully designed for the way people truly want to live today. At 152 South Road, that feeling is immediate.Set on approximately 0.7 acres just moments from Main Street and the area's famed ocean beaches, this beautifully crafted 6-bedroom,

Katie Doubleday Serhant East End LLC

Recently Sold

$1,867,500

Sold Aug 27, 2026
- 5 Beds
- 3 Baths
- 2,760 Sq Ft
11 Stuart Ct

Hampton Bays, NY
- 1% Above List
- 19 Days On Market
- $677/SF
- Current Est. Value $2M
Katie Doubleday Serhant East End LLC

$780,000

Sold Mar 23, 2026
- 4 Beds
- 2.5 Baths
- 2,747 Sq Ft
45 Drew Dr

Eastport, NY
- 2% Below List
- 25 Days On Market
- $284/SF
- Current Est. Value $820K
Katie Doubleday Serhant East End LLC

$2,100,000

Sold Oct 22, 2025
- 3 Beds
- 2.5 Baths
- 1,450 Sq Ft
580 Dune Rd

Unit 5

Westhampton Beach, NY
- 5% Below List
- 68 Days On Market
- $1,448/SF
- Current Est. Value $2M
Katie Doubleday Serhant East End LLC

$1,750,000

Sold Oct 7, 2024
- 5 Beds
- 3 Baths
- 1,574 Sq Ft
20 Raynor Dr

Westhampton, NY
- 5% Below List
- 24 Days On Market
- $1,112/SF
- Current Est. Value $1M
Katie Doubleday Serhant East End LLC

$995,000

Sold Jun 27, 2024
- 4 Beds
- 2 Baths
33 S Country Rd

Westhampton Beach, NY
- 370 Days On Market
- Current Est. Value $1M
Katie Doubleday Serhant East End LLC

$1,325,000

Sold Mar 16, 2023
- 3 Beds
- 2 Baths
29 Old Meeting House Rd

Quogue, NY
- 11% Above List
- 67 Days On Market
- Current Est. Value $1M
Katie Doubleday Serhant East End LLC

$1,850,000

Sold Dec 8, 2022
- 4 Beds
- 5 Baths
5 Mulford Ave

East Hampton, NY
- 26% Below List
- 204 Days On Market
- Current Est. Value $2M
Katie Doubleday Serhant East End LLC

$649,000

Sold Nov 22, 2022
- 3 Beds
- 1 Bath
- 1,040 Sq Ft
145 Ponquogue Ave

Hampton Bays, NY
- 23 Days On Market
- $624/SF
- Current Est. Value $811K
Katie Doubleday Serhant East End LLC

$680,000

Sold Sep 3, 2022
- 3 Beds
- 2 Baths
- 1,326 Sq Ft
15 Stonewood Ln

Hampton Bays, NY
- 10% Below List
- 51 Days On Market
- $513/SF
- Current Est. Value $887K
Katie Doubleday Serhant East End LLC

Awards and Designations

2018 Multimillion-Dollar Club
2020 Multimillion-Dollar Club

Other Experience

First Time Homebuyers, Investments, Luxury Homes, New Construction

Agent License: New York #10301220011

Katie Doubleday

(631) 284-4790

Nearby Homes

Katie Doubleday

About Katie

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Areas Katie is Experienced In

Katie's Listings and Deals

Katie's Active Listings

Recently Sold

Awards and Designations

Other Experience