646 Dune Rd, Westhampton Beach, NY 11977

Off market jan 2015 for $3.7M

$6,847,575

Est. refi paymentEst. refi $24,864/mo

•

3,785

sq ft

646 Dune Rd, Westhampton Beach, NY 11977

About this home

This 1-Year-Young Westhampton Bayfront Post Modern Offers Nearly 3,800 Square Feet Of Easy, Breezy Living In The Hamptons. Combining An Elegant Design With Sleek Sophistication And State-Of-The-Art Technology (Control 4 System To Control Music, Lights, Pool, Thermastats And More), The Home Was Designed To Capture Waterviews From Every Angle. The .57 Acre Property Features, Additional information: Appearance:Excellent,Interior Features:Lr/Dr

Single-familyProperty Type

2013Year Built

0.55 acresLot Size

$1,809Est. Price/Sq.Ft.

Listing by Enzo Morabito • Douglas Elliman Real Estate

Bought with Maria Hitchcock • Daniel Gale Sothebys Intl Rlty

Redfin checked: 2 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #L2692649

Redfin Estimate

$6,847,575

$3.1M since sold in January 2015$72K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 76.1% higher than the average sale price ($3.89M) of 6 comparable homes.

SOLD AUG 3, 2026
$10,000,000
A
5 beds5 baths4,610 sq ft
785 Dune Rd, Westhampton Beach, NY 11978
Listing by Nest Seekers International LLC
SOLD AUG 27, 2026
$2,850,000
B
4 beds4.5 baths4,325 sq ft
17 Willowood Ct, Westhampton, NY 11977
Listing by William Raveis New York LLC
SOLD MAY 29, 2026
$2,325,000
C
5 beds5 baths3,978 sq ft
21 Rogers Ln, Remsenburg, NY 11960
Listing by Corcoran
SOLD JUL 24, 2026
$3,450,000
D
4 beds5.5 baths4,304 sq ft
36 Jagger Ln, Westhampton, NY 11977
Listing by Compass Greater NY LLC
SOLD SEP 21, 2026
$1,950,000
E
5 beds5 baths3,587 sq ft
42 Tanners Neck Ln, Westhampton, NY 11977
Listing by Douglas Elliman Real Estate
SOLD AUG 6, 2026
$2,750,000
F
4 beds4 baths4,118 sq ft
15A Brushy Neck Ln, Westhampton, NY 11977
Listing by Daniel Gale Sothebys Intl Rlty

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Earn from this home

Sell

$4,269,439

Est. take-home

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Est. cash available

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Rent

$9,965/mo

Redfin rental estimate

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Market trends in 11978, NY

Last updated September 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

96.0%

+0.2% MoM

Median sale price

$1.2M

$5K MoM

Avg. days on market

89d

4 days MoM

Recently sold homes

6 MoM

New listings for sale

NEW 9 HRS AGO
$6,500,000
6 beds5.5 baths5,160 sq ft
330 Dune Rd, Westhampton Beach, NY 11978
Listing by Nest Seekers International LLC
$720,000
4 beds3 baths1,277 sq ft
752 Mccord St Unit B, Westhampton Beach, NY 11978
Listing by Hampton Estates Realty LLC
NEW 1 DAY AGO
$10,500,000
5 beds5.5 baths4,110 sq ft
747 Dune Rd, Westhampton Beach, NY 11978
Listing by Douglas Elliman Real Estate
OPEN SUN, 10AM TO 12PM
$1,899,999
4 beds3.5 baths3,700 sq ft
42 Homestead Ave, Westhampton Beach, NY 11978
Listing by BH&G R E Realty Connect
$5,295,000
5 beds5.5 baths4,938 sq ft
19 Old Meadow Bnd, Westhampton Beach, NY 11978
Listing by Kerrigan Country Realty
See all

Provided by Redfin

Sale history for 646 Dune Rd

Date

Event

Price

Public Records

Jan 16, 2015

Sold

$3,734,000

$987/sq ft

OneKey® MLS as Distributed by MLS Grid #L2692649

Jan 9, 2015

Sold

$3,700,000

$978/sq ft

Jul 22, 2014

Listed

$3,850,000

$1,017/sq ft

OneKey® MLS as Distributed by MLS Grid #L2609612

Feb 3, 2014

Listing Removed

—

Aug 22, 2013

Listed

$3,950,000

$1,044/sq ft

Public Records

Jan 20, 2011

Sold

$1,137,500

$301/sq ft

Public Records

Nov 26, 2002

Sold

$739,000

$195/sq ft

Year

Property tax

Land + Additions

Assessment*

2022

$28,312

$1,292,700 + $2,382,400

$3,675,100

2021

$28,312 (+1.5%)

$1,292,700 + $2,382,400

$3,675,100

2020

$27,887 (+2.8%)

$1,292,700 + $2,382,400

$3,675,100

2019

$27,117 (−2.7%)

$1,292,700 + $2,382,300

$3,675,000

2018

$27,884 (−0.2%)

$1,396,100 + $2,144,000

$3,540,100

2017

$27,926 (−0.8%)

$1,396,100 + $2,144,000

$3,540,100

2016

$28,160 (+56.7%)

$1,396,100 + $2,144,000

$3,540,100

2015

$17,970 (+20.6%)

$1,396,100 + $845,800

$2,241,900

2014

$14,895 (+14.4%)

$1,396,100 + $508,100

$1,904,200

2013

$13,021 (+1.3%)

$1,596,500 + $123,600

$1,720,100

2012

$12,852 (+78.3%)

$1,680,500 + $101,900

$1,782,400

2011

$7,209 (−23.4%)

$975,400 + $124,600

$1,100,000

2010

$9,411 (+1.6%)

$1,292,700 + $124,600

$1,417,300

2009

$9,262

$1,292,700 + $124,600

$1,417,300

Tax history for 646 Dune Rd

Year

Property tax

Land + Additions

Assessment*

2022

$28,312

$1,292,700 + $2,382,400

$3,675,100

2021

$28,312 (+1.5%)

$1,292,700 + $2,382,400

$3,675,100

2020

$27,887 (+2.8%)

$1,292,700 + $2,382,400

$3,675,100

2019

$27,117 (−2.7%)

$1,292,700 + $2,382,300

$3,675,000

2018

$27,884 (−0.2%)

$1,396,100 + $2,144,000

$3,540,100

2017

$27,926 (−0.8%)

$1,396,100 + $2,144,000

$3,540,100

2016

$28,160 (+56.7%)

$1,396,100 + $2,144,000

$3,540,100

2015

$17,970 (+20.6%)

$1,396,100 + $845,800

$2,241,900

2014

$14,895 (+14.4%)

$1,396,100 + $508,100

$1,904,200

2013

$13,021 (+1.3%)

$1,596,500 + $123,600

$1,720,100

2012

$12,852 (+78.3%)

$1,680,500 + $101,900

$1,782,400

2011

$7,209 (−23.4%)

$975,400 + $124,600

$1,100,000

2010

$9,411 (+1.6%)

$1,292,700 + $124,600

$1,417,300

2009

$9,262

$1,292,700 + $124,600

$1,417,300

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.57 Acres

Year renovated

—

Sq. Ft.

3,715

Year built

2015

Style

Single Family Residential

County

Suffolk County

APN

0900391000100024000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 31, 2026.

Property details

Parking

Parking Information
Parking Features: Private

Interior

Fireplace Information
Fireplaces Total: 1

Heating & Cooling
Cooling: Central Air
Heating: Forced Air, Natural Gas

Interior Features
Interior Features: Eat-in Kitchen
Appliances: Dishwasher, Dryer, Refrigerator, Washer
Flooring: Hardwood

Room Information
Basement YN: No
Attic: See Remarks
Rooms Total: 10
Basement: Partial, Unfinished
Additional Rooms: Home Office,Library/Den

Bathroom Information
Bathrooms Full: 5

Exterior

Exterior Features
Construction Materials: Wood Siding

Pool Information
Has Private Pool
Pool Features: In Ground

Property Information
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Section: 39100
Tax Annual Amount: $13,021

Financial Information
Buyer Financing: Cash

Location

School Information
School District Number: 2
High School District: Westhampton Beach

Location Information
Hamlet: Westhampton
Directions: Jessup Bridge In Westhampton Beach To Dune Road, Then Head West To #646
County Or Parish: Suffolk County

Public facts

Beds: 5
Baths: 2.0
Sq. Ft.: 3,715
Stories: 1.0
Lot Size: 0.57 acres
Style: Single Family Residential
Year Built: 2015
Year Renovated: —
County: Suffolk County
APN: 0900391000100024000

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Remsenburg Speonk Elementary School

Public K-6 • Assigned • 2.3mi

6/10

Westhampton Middle School

Public 6-8 • Assigned • 3.5mi

9/10

Eastport South Manor Junior Senior High School

Public 7-12 • Assigned • 7.5mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

10/10 Flood Factor

Estimated 80%+ chance of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

7 days above 90° expected this year, 19 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

4/10 Air Factor

4 unhealthy days expected this year, 5 days in 30 years

Provided by First Street

Historical weather

Westhampton Beach, NY • 11977

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.9 hours in June and 4.6 hours in December, which is comparable to the U.S. average for solar exposure.

8.9 hrs

4.6 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$6.51M – $7.88M

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Nearby similar homes

NEW 9 HRS AGO

$6,500,000

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Listing by Nest Seekers International LLC

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Listing by Compass Greater NY LLC

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Listing by Nest Seekers International LLC

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Listing by LAFFEY REAL ESTATE

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Listing by Douglas Elliman Real Estate

New listings for sale in 11978

NEW 9 HRS AGO

$6,500,000

6 beds5.5 baths5,160 sq ft

330 Dune Rd, Westhampton Beach, NY 11978

Bayfront estate • Spacious decking • 1.1 acre lot

Listing by Nest Seekers International LLC

$720,000

4 beds3 baths1,277 sq ft

752 Mccord St Unit B, Westhampton Beach, NY 11978

Inground pool • Eat-in-kitchen • Finished basement

Listing by Hampton Estates Realty LLC

NEW 1 DAY AGO

$10,500,000

5 beds5.5 baths4,110 sq ft

747 Dune Rd, Westhampton Beach, NY 11978

Open-concept layout • Gourmet kitchen • Granite countertops

Listing by Douglas Elliman Real Estate

OPEN SUN, 10AM TO 12PM

$1,899,999

4 beds3.5 baths3,700 sq ft

42 Homestead Ave, Westhampton Beach, NY 11978

Full acre • Eat-in kitchen • 1 acre lot

Listing by BH&G R E Realty Connect

$5,295,000

5 beds5.5 baths4,938 sq ft

19 Old Meadow Bnd, Westhampton Beach, NY 11978

Two story foyer • Butlers pantry • Wine bar

Listing by Kerrigan Country Realty

Home values near 646 Dune Rd

Data from public records.

Address	Redfin Estimate
645 Dune Rd, Westhampton Beach, NY 4 Beds \| 3 Baths \| 1680 Sq. Ft.	$3,397,776
640 Dune Rd, Westhampton Beach, NY 4 Beds \| 2 Baths \| 2300 Sq. Ft.	$2,703,787

Address	Redfin Estimate
647 Dune Rd, Westhampton Beach, NY 3 Beds \| 2 Baths \| 2186 Sq. Ft.	$2,576,854
641 Dune Rd, Westhampton Beach, NY 4 Beds \| 2 Baths \| 2429 Sq. Ft.	$3,892,899

Address	Redfin Estimate
652 Dune Rd, Westhampton Beach, NY 3 Beds \| 2 Baths \| 1200 Sq. Ft.	$2,462,029
650A Dune Rd, Westhampton Beach, NY 4 Beds \| 3 Baths \| 1892 Sq. Ft.	$1,816,159

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2014. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 11978, NY

Sale history for 646 Dune Rd

Tax history for 646 Dune Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11978

Home values near 646 Dune Rd

More real estate resources