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MLS ID KEY914642Last updated Sep 27, 2026

Single Family

20 Hillside Road

Active · Southampton · Suffolk County, NY 11968

Bedrooms
4 Beds
Bathrooms
5 Baths
Year built
1987
Est. monthly taxes
$1,039.67
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About this home

Private, Park-Like Estate in Southampton - Welcome to 20 Hillside Road, a serene estate set on over 4 acres of beautifully-manicured grounds. This custom-built home has been meticulously cared for over three decades, and offers an exceptional blend of privacy, tranquility, and natural beauty. Inside, graciously-proportioned rooms, vaulted ceilings, and large windows create a bright, airy ambiance that serves as a canvas for your lifestyle. Step outside to enjoy a suite of resort-like amenities, including a gunite pool with cabana, tennis court, and acres of lush grounds. Just under five miles from the heart of Southampton Village, the property provides easy access to celebrated dining, boutique shops, and world-renowned beaches, while maintaining the sense of retreat that makes it a true haven. Take advantage of this rare opportunity, best appreciated in person. Come and see for yourself!

Listing snapshot

Days on site
59 days
Listed on MLS
Sep 18, 2025
Full baths
4
Half baths
1
Annual property tax (MLS)
$12,476
Tax year
2024
Area source (MLS)
Plans
Listing brokerage
Sothebys Int'l Realty Hamptons
MLS ID
KEY914642
Last updated
Sep 27, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1987
Garage
Yes
Garage spaces
3
Water source
Well
Sewer
Septic Tank
Utilities
Electricity Connected, Underground Utilities, Water Connected

Interior features

Basement
Partially Finished
Heating
Forced Air
Cooling
Central Air
Interior
Cathedral Ceiling(s)
Appliances
Dishwasher, Dryer, Electric Cooktop, Electric Oven, Refrigerator, Washer, Water Purifier Owned
Fireplace
Yes
Fireplaces
2

Exterior features

Architectural style
Other
Construction materials
Frame
Private pool
Yes

Schools (MLS)

Elementary school
Tuckahoe School
Elementary school district
Tuckahoe Common
Middle school
Tuckahoe
Middle school district
Tuckahoe Common
High school
Southampton High School
High school district
Southampton

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

Southampton · Suffolk County, NY 11968Show interactive map
20 Hillside Road

Southampton · Suffolk County, NY 11968

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.