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, a 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!
For sale
Price cut: $480K (6/30)
$4,495,000
20 Hillside Rd, Southampton, NY 11968
4beds
3,853sqft
Single Family Residence
Built in 1987
4.32 Acres Lot
$4,045,900 Zestimate®
$1,167/sqft
$-- HOA
What's special
Tennis courtResort-like amenitiesSerene estateAcres of lush groundsVaulted ceilingsCustom-built homeGraciously-proportioned rooms
- 320 days |
- 385 |
- 27 |
Zillow last checked:
Listed by:
Sotheby's International Realty 212-580-3969,
Deirdre Devita - Associate Real Estate Broker 212-580-3969
Source: Out East,MLS#: 391071
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Cooling
- Central Air
Features
- Basement: Yes
- Has fireplace: Yes
Interior area
- Total structure area: 3,853
- Total interior livable area: 3,853 sqft
Video & virtual tour
Property
Parking
- Parking features: GarageAttached
- Has attached garage: Yes
Features
- Stories: 2
- Exterior features: Tennis Court(s)
- Has private pool: Yes
Lot
- Size: 4.32 Acres
Details
- Parcel number: 0900177000200034007
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- New construction: No
- Year built: 1987
Community & HOA
Location
- Region: Southampton
Financial & listing details
- Price per square foot: $1,167/sqft
- Tax assessed value: $1,420,800
- Date on market: 9/17/2025
- Lease term: Contact For Details
Estimated market value
$4,045,900
$3.84M - $4.29M
$10,200/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/30/2026 | Price change | $4,495,000-9.6%$1,167/sqft |
Source:  OneKey® MLS as distributed by MLS GRID #914642 Report a problem | ||
| 9/17/2025 | Listed for sale | $4,975,000$1,291/sqft |
Source: Out East #391071 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $1,420,800 |
| 2024 | -- | $1,420,800 |
| 2023 | -- | $1,420,800 |
| 2022 | -- | $1,420,800 |
| 2021 | -- | $1,420,800 |
| 2020 | -- | $1,420,800 |
| 2019 | -- | $1,420,800 +20.6% |
| 2018 | -- | $1,177,800 |
| 2017 | $11,170 | $1,177,800 |
| 2016 | -- | $1,177,800 |
| 2015 | -- | $1,177,800 |
| 2014 | -- | $1,177,800 |
| 2013 | -- | $1,177,800 |
| 2012 | -- | $1,177,800 -15% |
| 2011 | -- | $1,385,600 +2.5% |
| 2007 | $10,358 -13.8% | $1,351,300 +2.4% |
| 2005 | $12,019 +46.5% | $1,320,032 +8575.3% |
| 2004 | $8,204 +4.7% | $15,216 +0.6% |
| 2003 | $7,840 +10% | $15,124 |
| 2002 | $7,129 +14.6% | $15,124 |
| 2001 | $6,218 +7.5% | $15,124 |
| 2000 | $5,782 | $15,124 |
Find assessor info on the county website
Monthly payment
Climate risks
Neighborhood: 11968
Nearby schools
GreatSchools rating
- 7/10Tuckahoe SchoolGrades: PK-8Distance: 2.4 mi
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