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For sale
  • $4,975,000

    20 Hillside Rd, Southampton, NY 11968

    4beds
    3,853sqft
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    Single Family Residence
    Built in 1987
    4.32 Acres Lot
    $4,499,700 Zestimate®
    $1,291/sqft
    $-- HOA

    What's special

    Tennis courtResort-like amenitiesSerene estateAcres of lush groundsVaulted ceilingsCustom-built homeGraciously-proportioned rooms
    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!
    275 days
    |
    409
    |
    25
    |

    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

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      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: $1,291/sqft
      • Tax assessed value: $1,420,800
      • Date on market: 9/17/2025
      • Lease term: Contact For Details

        Estimated market value

        $4,499,700

        $4.27M - $4.72M

        $10,200/mo

        Price history

        DateEventPrice
        9/17/2025Listed for sale$4,975,000$1,291/sqft
        Source: Out East #391071 Report a problem

        Public tax history

        YearProperty taxesTax 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

        Estimated monthly payment$1,822
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: 11968

        Getting around

        15 / 100
        Car-Dependent
        21 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

        A local agent can set up tours, give advice and negotiate with sellers.

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