Google street view image for 21 Bay Rd, Westhampton Beach, NY 11978

Off Market Nov 2021 for $850K

$1,228,580

Est. refi paymentEst. refi $5,459/mo

•

1 ba

•

720

sq ft

21 Bay Rd, Westhampton Beach, NY 11978

About this home

21 Bay Rd is a 720 square foot house on a 4,792 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on November 15, 2021 for $850,000. Based on Redfin's Westhampton Beach data, we estimate the home's value is $1,228,580.

Single-familyProperty Type

1998Year Built

4,792 sq ftLot Size

$1,706Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,228,580

$379K since sold in November 2021$8,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 15% higher than the average sale price ($1.07M) of 6 comparable homes.

SOLD MAY 20, 2026
$950,000
A
3 beds2 baths1,275 sq ft
10 Bayview Rd, Remsenburg, NY 11960
Listing by True North Realty Luxury Homes
SOLD NOV 24, 2025
$1,555,555
B
3 beds2 baths1,236 sq ft
37 Harbor Rd, Westhampton Beach, NY 11978
Listing by Douglas Elliman Real Estate
SOLD AUG 5, 2026
$850,000
C
2 beds1 bath800 sq ft
4 Southwind Rd, Remsenburg, NY 11960
Listing by Signature Premier Properties
SOLD JUL 29, 2026
$785,000
D
3 beds1.5 baths1,470 sq ft
9 White Birch Ln, Remsenburg, NY 11960
Listing by Signature Premier Properties
SOLD JUL 22, 2026
$920,000
E
2 beds1 bath768 sq ft
30 Maple St, Westhampton Beach, NY 11978
Listing by Hampton Properties
SOLD MAY 8, 2026
$1,350,000
F
3 beds2.5 baths1,650 sq ft
17 Heather Dr, Remsenburg, NY 11960
Listing by Shine Realty Group

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Earn from this home

Sell

$538,975

Est. take-home

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Refinance

Est. cash available

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Rent

$3,631/mo

Redfin rental estimate

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Market trends in 11978, NY

Last updated August 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

98.0%

+0.2% MoM

Median sale price

$2.2M

$123K MoM

Avg. days on market

125d

47 days MoM

Recently sold homes

7 MoM

New listings for sale

$8,995,000
5 beds5.5 baths4,000 sq ft
218 Dune Rd, Westhampton Beach, NY 11978
Listing by Brown Harris Stevens W Hampton
$1,499,999
5 beds3.5 baths3,600 sq ft
9 Hazelwood Ave, Westhampton Beach, NY 11978
Listing by Douglas Elliman Real Estate
OPEN SEP 11, 12PM TO 1:30PM
$9,850,000
6 beds6.5 baths5,297 sq ft
102 & 92 Dune Rd, Westhampton Beach, NY 11978
Listing by Douglas Elliman Real Estate
$4,600,000
7 beds6 baths6,941 sq ft
21 Seafield Ln, Westhampton Beach, NY 11978
Listing by Corcoran
FOR SALE BY OWNER
$1,600,000
2 beds2 baths— sq ft
253 Dune Rd, Westhampton Beach, NY 11978
See all

Provided by Redfin

Sale history for 21 Bay Rd

Year

Property tax

Land + Additions

Assessment*

2026

$1,917 (+8.7%)

$370,500 + $160,100

$530,600

2025

$1,764 (+11.9%)

$370,500 + $160,100

$530,600

2024

$1,576 (−49.5%)

$370,500 + $160,100

$530,600

2023

$3,121 (−24.6%)

$370,500 + $160,100

$530,600

2022

$4,142

$370,500 + $160,100

$530,600

2021

$4,142 (+1.2%)

$370,500 + $54,800

$425,300

2020

$4,093 (+2.3%)

$370,500 + $54,800

$425,300

2019

$3,999 (+46.9%)

$370,500 + $54,800

$425,300

2018

$2,723 (+7.1%)

$333,500 + $49,300

$382,800

2017

$2,544 (−1.5%)

$314,900 + $46,600

$361,500

2016

$2,583 (+1.1%)

$314,900 + $46,600

$361,500

2015

$2,556 (−1.1%)

$314,900 + $46,600

$361,500

2014

$2,583 (−10.6%)

$279,900 + $46,600

$326,500

2013

$2,888 (+6.1%)

$329,400 + $54,800

$384,200

2012

$2,722 (+2.7%)

$329,400 + $54,800

$384,200

2011

$2,649 (+2.7%)

$329,400 + $54,800

$384,200

2010

$2,579 (+6.6%)

$329,400 + $54,800

$384,200

2009

$2,419

$329,400 + $54,800

$384,200

Tax history for 21 Bay Rd

Year

Property tax

Land + Additions

Assessment*

2026

$1,917 (+8.7%)

$370,500 + $160,100

$530,600

2025

$1,764 (+11.9%)

$370,500 + $160,100

$530,600

2024

$1,576 (−49.5%)

$370,500 + $160,100

$530,600

2023

$3,121 (−24.6%)

$370,500 + $160,100

$530,600

2022

$4,142

$370,500 + $160,100

$530,600

2021

$4,142 (+1.2%)

$370,500 + $54,800

$425,300

2020

$4,093 (+2.3%)

$370,500 + $54,800

$425,300

2019

$3,999 (+46.9%)

$370,500 + $54,800

$425,300

2018

$2,723 (+7.1%)

$333,500 + $49,300

$382,800

2017

$2,544 (−1.5%)

$314,900 + $46,600

$361,500

2016

$2,583 (+1.1%)

$314,900 + $46,600

$361,500

2015

$2,556 (−1.1%)

$314,900 + $46,600

$361,500

2014

$2,583 (−10.6%)

$279,900 + $46,600

$326,500

2013

$2,888 (+6.1%)

$329,400 + $54,800

$384,200

2012

$2,722 (+2.7%)

$329,400 + $54,800

$384,200

2011

$2,649 (+2.7%)

$329,400 + $54,800

$384,200

2010

$2,579 (+6.6%)

$329,400 + $54,800

$384,200

2009

$2,419

$329,400 + $54,800

$384,200

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

Property details

Interior

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Heating Fuel Type: Electric

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Cottage/Bungalow
Building Construction Quality: Average
Exterior Wall: Composition
Building Type: Residential

Property Information
Subdivision Name: THE PROP/POND PT DEV C
Living Sq. Ft: 720
Ground Floor Sq. Ft: 720
Building Sq. Ft: 720
# of Stories: 1
Legal Description: LD EQ +2650; '91 D FIN +1REV CTR LD - 1000

Lot Information
# of Buildings: 1
Land Sq. Ft: 4,792
Legal Lot Number: 18
Legal Block Number: 3
School Tax District: WESTHAMPTON BEACH
Municipality Name: SOUTHAMPTON
Acres: 0.11
Zoning Code: R5
State Use Description: SINGLE FAMILY RESID

Utility Information
Sewer Type: Private
Water Service Type: Commercial
Utility Type: Electric

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 720
Stories: 1.0
Lot Size: 4,792 square feet
Style: Single Family Residential
Year Built: 1998
Year Renovated: —
County: Suffolk County
APN: 0905017000300018001

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Westhampton Beach Elementary School

Public K-5 • Assigned • 2.2mi

9/10

Westhampton Middle School

Public 6-8 • Assigned • 2.3mi

9/10

Westhampton Beach Senior High School

Public 9-12 • Assigned • 2.3mi

7/10

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, 18 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 • 11978

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

$1.17M – $1.41M

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Nearby similar homes

$2,975,000

5 beds4 baths— sq ft

3 Mallard Ln, Remsenburg, NY 11960

Listing by Licata Ventura Realty Inc

$4,950,000

5 beds7 baths4,889 sq ft

18 Pine Tree Ln, Westhampton, NY 11977

Listing by Charles Rutenberg Realty Inc

$2,595,000

5 beds5 baths3,000 sq ft

7 Mortimer St, Westhampton Beach, NY 11978

Listing by Brown Harris Stevens W Hampton

$2,300,000

4 beds3.5 baths2,608 sq ft

90 Lakeside Ln, Westhampton, NY 11977

Listing by Kerrigan Country Realty

$3,998,000

3 beds3 baths952 sq ft

905 Dune Rd, Westhampton Dunes, NY 11978

Listing by Compass Greater NY LLC

$1,350,000

3 beds2 baths1,920 sq ft

188 S Country Rd, Remsenburg, NY 11960

Listing by Daniel Gale Sothebys Intl Rlty

New listings for sale in 11978

$8,995,000

5 beds5.5 baths4,000 sq ft

218 Dune Rd, Westhampton Beach, NY 11978

Listing by Brown Harris Stevens W Hampton

$1,499,999

5 beds3.5 baths3,600 sq ft

9 Hazelwood Ave, Westhampton Beach, NY 11978

Listing by Douglas Elliman Real Estate

OPEN SEP 11, 12PM TO 1:30PMVIDEO TOUR

$9,850,000

6 beds6.5 baths5,297 sq ft

102 & 92 Dune Rd, Westhampton Beach, NY 11978

Listing by Douglas Elliman Real Estate

$4,600,000

7 beds6 baths6,941 sq ft

21 Seafield Ln, Westhampton Beach, NY 11978

Listing by Corcoran

FOR SALE BY OWNER

$1,600,000

2 beds2 baths— sq ft

253 Dune Rd, Westhampton Beach, NY 11978

Home values near 21 Bay Rd

Data from public records.

Address	Redfin Estimate
23 Bay Rd, Westhampton Beach, NY 8 Beds \| 3 Baths \| 309 Sq. Ft.	$3,232,880
12 Bay Rd, Westhampton Beach, NY 2 Beds \| 1 Baths \| 1035 Sq. Ft.	$1,092,112

Address	Redfin Estimate
15 Bay Rd, Westhampton Beach, NY 2 Beds \| 1 Baths \| 1536 Sq. Ft.	$4,517,047
13 Bay Rd, Westhampton Beach, NY 3 Beds \| 1 Baths \| 768 Sq. Ft.	$2,509,969

Address	Redfin Estimate
20 Bay Rd, Westhampton Beach, NY 4 Beds \| 2 Baths \| 1167 Sq. Ft.	$1,480,147
18 Bay Rd, Westhampton Beach, NY 2 Beds \| 1 Baths \| 640 Sq. Ft.	$889,662

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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 21 Bay Rd

Tax history for 21 Bay Rd

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 21 Bay Rd

More real estate resources