Google satellite image for 34 Cobb Isle Rd, Water Mill, NY 11976

Off Market Dec 2014 for $4.3M

$13,606,087

Est. refi paymentEst. refi $27,737/mo

•

3 ba

•

6,341

sq ft

34 Cobb Isle Rd, Water Mill, NY 11976

About this home

34 Cobb Isle Rd is a 6,341 square foot house on a 1.69 acre lot with 5 bedrooms and 3 bathrooms. - it last sold on December 17, 2014 for $4,300,000. Based on Redfin's Water Mill data, we estimate the home's value is $13,606,087.

Single-familyProperty Type

2017Year Built

1.69 acresLot Size

$2,146Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$13,606,087

$9.3M since sold in December 2014$2.9M since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 102.9% higher than the average sale price ($6.70M) of 4 comparable homes.

SOLD JUN 26, 2026
$8,857,000
A
5 beds6 baths3,654 sq ft
210 Downs Path, Southampton, NY 11968
Listing by Brown Harris Stevens Hamptons
SOLD AUG 7, 2026
$7,350,000
B
6 beds5.5 baths5,074 sq ft
299 Narrow Ln, Southampton, NY 11968
Listing by Sothebys Int'l Realty Hamptons
SOLD AUG 12, 2026
$3,410,000
C
6 beds5.5 baths5,500 sq ft
6 Ocean View Pkwy, Southampton, NY 11968
Listing by Brown Harris Stevens Hamptons
SOLD APR 23, 2026
$7,200,000
D
6 beds7.5 baths5,700 sq ft
39 Hildreth St, Southampton, NY 11968
Listing by Nest Seekers International LLC

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Earn from this home

Sell

$10,278,013

Est. take-home

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Est. cash available

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Rent

$4,626/mo

Redfin rental estimate

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Market trends in 11976, NY

Last updated August 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

91.6%

2.5% MoM

Median sale price

$2.0M

$2M MoM

Avg. days on market

60d

2 days MoM

Recently sold homes

2 MoM

New listings for sale

$5,595,000
5 beds8.5 baths7,635 sq ft
421 Edge of Woods Rd, Water Mill, NY 11976
Listing by BERKSHIRE HATHAWAY
See all

Provided by Redfin

Sale history for 34 Cobb Isle Rd

Year

Property tax

Land + Additions

Assessment*

2024

$30,788

$3,250,600 + $4,060,300

$7,310,900

2023

$30,788 (+0.6%)

$3,250,600 + $4,060,300

$7,310,900

2022

$30,602

$3,250,600 + $4,060,300

$7,310,900

2021

$30,602 (+2.0%)

$3,250,600 + $4,060,300

$7,310,900

2020

$29,999 (+1.7%)

$3,250,600 + $4,060,300

$7,310,900

2019

$29,491 (−6.9%)

$3,250,600 + $4,060,300

$7,310,900

2018

$31,677 (+42.1%)

$3,250,600 + $4,060,300

$7,310,900

2017

$22,293 (+35.8%)

$3,250,600 + $1,858,000

$5,108,600

2016

$16,415 (+10.8%)

$3,250,600 + $375,100

$3,625,700

2015

$14,818 (+0.2%)

$2,600,500 + $491,500

$3,092,000

2014

$14,789 (+1.3%)

$2,600,500 + $491,500

$3,092,000

2013

$14,605 (+4.5%)

$2,600,500 + $491,500

$3,092,000

2012

$13,981 (+1.9%)

$2,600,500 + $491,500

$3,092,000

2011

$13,724 (−0.7%)

$2,600,500 + $491,500

$3,092,000

2010

$13,821 (−1.0%)

$2,600,500 + $491,500

$3,092,000

2009

$13,961

$2,600,500 + $491,500

$3,092,000

Tax history for 34 Cobb Isle Rd

Year

Property tax

Land + Additions

Assessment*

2024

$30,788

$3,250,600 + $4,060,300

$7,310,900

2023

$30,788 (+0.6%)

$3,250,600 + $4,060,300

$7,310,900

2022

$30,602

$3,250,600 + $4,060,300

$7,310,900

2021

$30,602 (+2.0%)

$3,250,600 + $4,060,300

$7,310,900

2020

$29,999 (+1.7%)

$3,250,600 + $4,060,300

$7,310,900

2019

$29,491 (−6.9%)

$3,250,600 + $4,060,300

$7,310,900

2018

$31,677 (+42.1%)

$3,250,600 + $4,060,300

$7,310,900

2017

$22,293 (+35.8%)

$3,250,600 + $1,858,000

$5,108,600

2016

$16,415 (+10.8%)

$3,250,600 + $375,100

$3,625,700

2015

$14,818 (+0.2%)

$2,600,500 + $491,500

$3,092,000

2014

$14,789 (+1.3%)

$2,600,500 + $491,500

$3,092,000

2013

$14,605 (+4.5%)

$2,600,500 + $491,500

$3,092,000

2012

$13,981 (+1.9%)

$2,600,500 + $491,500

$3,092,000

2011

$13,724 (−0.7%)

$2,600,500 + $491,500

$3,092,000

2010

$13,821 (−1.0%)

$2,600,500 + $491,500

$3,092,000

2009

$13,961

$2,600,500 + $491,500

$3,092,000

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

Property details

Interior

Basement Information
Basement Type: Full

Bathroom Information
# of Full Baths: 3

Heating & Cooling
Air Conditioning Type: Central
Heating Fuel Type: Electric
Heating Type: Hot Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Cape Cod
Building Construction Quality: Good
Exterior Wall: Wood
Building Type: Single Family

Pool Information
Pool Type: Gunite
Has Pool

Property Information
Living Sq. Ft: 6,341
Ground Floor Sq. Ft: 2,190
Building Sq. Ft: 6,341
# of Stories: 2
Legal Description: * SOUTH 1/2 1-2 & W PART T 3'91 6.1 SPLIT OUT TO KCARRIEDON FLETCHER'S CARD

Parking & Garage Information
# of Parking Spaces: 1

Lot Information
# of Buildings: 1
Land Sq. Ft: 73,616
Legal Lot Number: 6
Legal Block Number: 3
School Tax District: SOUTHHAMPTON
Municipality Name: SOUTHAMPTON
Acres: 1.69
Zoning Code: R40
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: 5
Baths: 3.0
Sq. Ft.: 6,341
Stories: 2.0
Lot Size: 1.69 acres
Style: Single Family Residential
Year Built: 2017
Year Renovated: —
County: Suffolk County
APN: 0900160000300006003

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Southampton Intermediate School

Public 5-8 • Assigned • 1.5mi

6/10

Southampton High School

Public 9-12 • Assigned • 1.4mi

7/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Historical weather

Water Mill, NY • 11976

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 9 hours in June and 4.6 hours in December, which is comparable to the U.S. average for solar exposure.

9 hrs

4.6 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$12.93M – $15.65M

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Nearby similar homes

$4,295,000

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Listing by Douglas Elliman Real Estate

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Listing by Listing Pro Realty Services

New listings for sale in 11976

$5,595,000

5 beds8.5 baths7,635 sq ft

421 Edge of Woods Rd, Water Mill, NY 11976

Listing by BERKSHIRE HATHAWAY

Home values near 34 Cobb Isle Rd

Data from public records.

Address	Redfin Estimate
24 Cobb Isle Road, Water Mill, NY 1 Beds \| - Baths \| 1440 Sq. Ft.	$5,434,154
30 Cobb Isle Road, Water Mill, NY 3 Beds \| 2 Baths \| 1975 Sq. Ft.	$7,393,329

Address	Redfin Estimate
52 Cobb Isle Road, Water Mill, NY 5 Beds \| 3 Baths \| 5176 Sq. Ft.	$7,169,141
18 Cobb Isle Road, Water Mill, NY 5 Beds \| 4 Baths \| 3478 Sq. Ft.	$5,345,521

Address	Redfin Estimate
17 Cobb Isle Road, Water Mill, NY 7 Beds \| 4 Baths \| 7786 Sq. Ft.	$9,592,684
54 Cobb Isle Road, Water Mill, NY 4 Beds \| 7 Baths \| 7298 Sq. Ft.	$10,532,525

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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 11976, NY

Sale history for 34 Cobb Isle Rd

Tax history for 34 Cobb Isle Rd

Property details

Around this home

Schools

Lifestyle

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11976

Home values near 34 Cobb Isle Rd

More real estate resources