by RH Advisors

Check Availability
$3,599,000
● House - For Sale

431 Dune Road

Southampton, NY 11978
bedrooms
4 Beds
bathrooms
4 Baths
square feet
1,880 Ft²
$18,876
Est. Monthly

About This Property

Location Location! Rare Dune Road Oceanfront Retreat! Experience the ultimate Hamptons lifestyle at 431 Dune Rd in Westhampton Beach. This breathtaking, contemporary, oceanfront home features 4 spacious bedrooms and 4 full bathrooms, each offering a private balcony with panoramic, unobstructed ocean views. The bright, open concept living area boasts soaring vaulted ceilings, floor-to-ceiling windows, and a cozy wood-burning fireplace. Enjoy seamless outdoor living, on the expansive ocean facing deck, ideal for entertaining, alfresco dining, or taking in the sea breeze. Complete with a primary suite fireplace, Moriches Bay access nearby, and located just a short distance from Westhampton Beach Village's top dining and shopping. Don't miss this incredible oceanfront opportunity!
Unit Size
1,880 Ft²
Days on Market
15 days
Land Size
0.11 acres
Price per sqft
$1,914
Property Type
House
Property Taxes
$1,204
HOA Dues
-
Year Built
1999

Listed By

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Last updated: 15 days ago (OneKey MLS #KEY1035758)

Price History

Date / Event Date Event Price
Aug 6, 2026 Listed by Douglas Elliman Real Estate $3,599,000
Listed by Douglas Elliman Real Estate
Jul 24, 2026 No longer available -
No longer available
Feb 6, 2026 Temporarily off market -
Temporarily off market
Jan 23, 2026 Listed by Daniel Gale Sothebys Intl Rlty $3,775,000
Listed by Daniel Gale Sothebys Intl Rlty
Your Dune Road dream home opportunity is here! Imagine living on one of the most beautiful beaches in the world with panoramic oceanfront views from every room in the house! This four-bedroom, four-bath home features an open floor plan with vaulted ceilings, and floor to ceiling windows in the living room providing fantastic natural light from sunrise to sunset. Each bedroom has its own private balcony with ocean views. The living room and primary bedroom suite each have wood burning fireplaces. This home is located right on the ocean beach path and provides access to Moriches Bay as well. The large outside deck provides plenty of room for entertaining, outdoor dining or just lounging in the sun. The kitchen is well-appointed with a center island and dining area. Located just a short 5-minute drive to the charming village of Westhampton Beach with its great restaurants and shops, this is a rare and unique opportunity to own a piece of paradise. All offers to be accompanied by either proof of funds or pre-approval letter.
Jan 22, 2026 No longer available -
No longer available
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Property Highlights

Air Conditioning
Fireplace
Parking Details
Parking Features: Private, Shared Driveway
Interior Details
Full Bathrooms: 4
Interior Features: Ceiling Fan(s), Eat-in Kitchen, High Ceilings, High Speed Internet, First Floor Full Bath, Chefs Kitchen
Appliances: Cooktop, Disposal, Dryer, Electric Cooktop, Electric Oven, Oven, Refrigerator
Flooring Type: Wood
Laundry Features: Inside
Rooms: 12
Has Fireplace
Fireplace Features: Bedroom, Living Room, Wood Burning
Fireplaces: 3
Exterior Details
Square Footage: 1880
Square Footage Source: $0
Architectural Style: Contemporary
Year Built: 1999
Waterfront Features: Beach Access, Beach Front, Ocean Access, Ocean Front
Building Area Units: Square Feet
Construction Materials: Frame, Shake Siding, Wood Siding
Patio and Porch Features: Deck
Lot Size Area: 4792
Lot Size Units: Square Feet
Lot Size Acres: 0.11
Lot Size Square Feet: 4792
Tax Lot: 16
Water Source: Public
Financial Details
Tax Assessed Value: $1,284,400
Tax Annual Amount: $14,446
Utilities Details
Cooling Type: Central Air, Ductless
Heating Type: Electric, Propane
Sewer : Cesspool

Building Info

Overview

    General

  • Year Built: 1999
  • Effective Year Built: 1999
  • Bedroom Count: 4
  • Bathroom Count: 2
  • Full Bathrooms: 2
  • Partial Bathrooms: 2
  • Building Condition: 6
  • Building Quality: 7
  • Construction Type: 0
  • Building Style: 21
  • Exterior Walls Type: 17
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 100
  • Floor Cover: 0
  • Basement Type: 9
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 7
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 4,792
  • Total Building Area: 1,880
  • Building Area: 1,880
  • Building Area Measurement: L

    Heating and Cooling

  • Fireplace Count: 1
  • Air Conditioning: 0
  • Heating: 4
  • Heated Square Feet: 1,880
  • Heating Fuel Type: 3

    Utilities

  • Sewer System: 4
  • Water Service: 2

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: BUENA VISTA
  • Land Acres: 0000000110
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: BLK H LOT 124-126

Neighborhood

  • School District Name: Westhampton Beach Union Free School District
  • School Tax School District: WESTHAMPTON BEA
  • Census Tract: 190502

Zoning

  • Zoning: R5

Geography

  • Assessors Map Reference: MAP 308
  • District: 0905-0
  • Section: 17.00
  • Parcel: 0905-017.00-05.00-016.000
  • Block: 5
  • Lot: 16.000
  • Municipality: SOUTHAMPTON
  • Latitude: 40.7882
  • Longitude: -72.668

    Address

  • Full Address: 431 Dune Rd
  • Address - House Number: 431
  • Address - Street Name: Dune
  • Address - Suffix Type: Rd
  • State: NY
  • City Name: Westhampton Beach
  • Carrier Code: C090
  • 4-Digit Zip Code: 2929
  • Zip Code: 11978

Valuation

    Tax

  • Tax Year: 2023
  • Tax Amount: $373,915
  • Tax Rate Code Area: 473602

    Appraisal Valuation

  • Standard Deviation: 0.2473
  • Valuation Date: Feb 14, 2024
  • Confidence Score: 65
  • Final Value: 2,050,657
  • High Value: 2,557,843
  • Low Value: 1,543,471

    Market Valuation

  • Market Total Value: $1,848,058
  • Market Land Value: $1,510,216
  • Market Improvement Value: $337,842

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $1,284,400
  • Assessed Land Value: $1,049,600
  • Assessed Improvements Value: $234,800

    Sales

  • Current Sale Contract Date: Dec 08, 2010
  • Current Sale Recording Date: Dec 29, 2010
  • Current Sale Price:
  • Current Sale Document Type: 27
  • Previous Sale Recording Date: Feb 16, 2001
  • Previous Sale Contract Date: Feb 06, 2001
  • Previous Sale Amount: $540,000
  • Previous Sale Document Type: 12
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Westhampton Beach


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Nearby Rentals

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Unit for rent at 12 Summit Boulevard, Westhampton, NY, 11977

$5,250 /mo

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Unit for rent at 274 Dune Road, Southampton, NY, 11978

$5,000 /mo

  • 1 Bed
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274 Dune Road #6, Southampton, NY, 11978 Listing by Michael Stachnik


Frequently Asked Questions

When was property at 431 Dune Road built and last sold?
The property at 431 Dune Road was built in 1999 and last sold on Dec 8, 2010 for $1,450,000.
How much is this home worth?
The estimated value of the home located at 431 Dune Road is $3,558,022.
What are some comparable homes to 431 Dune Road?
There are currently no comparable homes to 431 Dune Road.