Google satellite image for 91 Cobb Isle Rd, Water Mill, NY 11976

Off market jun 2004 for $5.8M

$16,421,384

Est. refi paymentEst. refi $37,997/mo

•

4 ba

•

11,728

sq ft

91 Cobb Isle Rd, Water Mill, NY 11976

About this home

91 Cobb Isle Rd is a 11,728 square foot house on a 2.07 acre lot with 6 bedrooms and 4 bathrooms. - it last sold on June 23, 2004 for $5,825,000. Based on Redfin's Water Mill data, we estimate the home's value is $16,421,384.

Single-familyProperty Type

2016Year Built

2.07 acresLot Size

$1,400Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$16,421,384

$10.6M since sold in June 2004$1.9M since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 229.1% higher than the average sale price ($4.99M) of 4 comparable homes.

SOLD NOV 19, 2025
$5,750,000
A
4 beds3.5 baths5,039 sq ft
53 Bay Ave, Water Mill, NY 11976
Listing by Brown Harris Stevens Hamptons
SOLD AUG 12, 2026
$3,410,000
B
6 beds5.5 baths5,500 sq ft
6 Ocean View Pkwy, Southampton, NY 11968
Listing by Brown Harris Stevens Hamptons
SOLD OCT 8, 2026
$3,450,000
C
6 beds5.5 baths3,972 sq ft
4 Spring Ln, Southampton, NY 11968
Listing by Brown Harris Stevens Hamptons
SOLD AUG 7, 2026
$7,350,000
D
6 beds5.5 baths5,074 sq ft
299 Narrow Ln, Southampton, NY 11968
Listing by Sothebys Int'l Realty Hamptons

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Earn from this home

Sell

$13,734,712

Est. take-home

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Refinance

Est. cash available

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Rent

$4,667/mo

Redfin rental estimate

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Market trends in 11976, NY

Last updated October 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

93.2%

+9.2% MoM

Median sale price

$4.1M

$2M MoM

Avg. days on market

83d

12 days MoM

Recently sold homes

1 MoM

New listings for sale

NEW 35 MINS AGO
$2,995,000
3 beds2 baths1,700 sq ft
700 Edge Of Woods Rd, Water Mill, NY 11976
Listing by Brown Harris Stevens Hamptons
FOR SALE BY OWNER
$4,550,000
5 beds6 baths4,800 sq ft
50 Tanager Ln, Water Mill, NY 11976
$2,999,995
4 beds4.5 baths2,400 sq ft
2 Schwenks Rd, Water Mill, NY 11976
Listing by Douglas Elliman Real Estate
See all

Provided by Redfin

Sale history for 91 Cobb Isle Rd

Year

Property tax

Land + Additions

Assessment*

2022

$99,104

$14,985,800 + $8,925,200

$23,911,000

2021

$99,104 (+1.0%)

$14,985,800 + $8,925,200

$23,911,000

2020

$98,114 (+1.7%)

$14,985,800 + $8,925,200

$23,911,000

2019

$96,452 (−8.7%)

$14,985,800 + $8,925,200

$23,911,000

2018

$105,601 (−0.7%)

$6,717,800 + $17,654,000

$24,371,800

2017

$106,354 (−3.6%)

$6,717,800 + $17,654,000

$24,371,800

2016

$110,338 (−5.5%)

$6,717,800 + $17,654,000

$24,371,800

2015

$116,802 (+0.2%)

$6,717,800 + $17,654,000

$24,371,800

2014

$116,570 (+1.3%)

$6,717,800 + $17,654,000

$24,371,800

2013

$115,123 (+4.5%)

$6,717,800 + $17,654,000

$24,371,800

2012

$110,204 (+1.9%)

$6,717,800 + $17,654,000

$24,371,800

2011

$108,172 (−0.7%)

$6,717,800 + $17,654,000

$24,371,800

2010

$108,937 (+230.0%)

$6,717,800 + $17,654,000

$24,371,800

2009

$33,016

$6,717,800 + $594,300

$7,312,100

Tax history for 91 Cobb Isle Rd

Year

Property tax

Land + Additions

Assessment*

2022

$99,104

$14,985,800 + $8,925,200

$23,911,000

2021

$99,104 (+1.0%)

$14,985,800 + $8,925,200

$23,911,000

2020

$98,114 (+1.7%)

$14,985,800 + $8,925,200

$23,911,000

2019

$96,452 (−8.7%)

$14,985,800 + $8,925,200

$23,911,000

2018

$105,601 (−0.7%)

$6,717,800 + $17,654,000

$24,371,800

2017

$106,354 (−3.6%)

$6,717,800 + $17,654,000

$24,371,800

2016

$110,338 (−5.5%)

$6,717,800 + $17,654,000

$24,371,800

2015

$116,802 (+0.2%)

$6,717,800 + $17,654,000

$24,371,800

2014

$116,570 (+1.3%)

$6,717,800 + $17,654,000

$24,371,800

2013

$115,123 (+4.5%)

$6,717,800 + $17,654,000

$24,371,800

2012

$110,204 (+1.9%)

$6,717,800 + $17,654,000

$24,371,800

2011

$108,172 (−0.7%)

$6,717,800 + $17,654,000

$24,371,800

2010

$108,937 (+230.0%)

$6,717,800 + $17,654,000

$24,371,800

2009

$33,016

$6,717,800 + $594,300

$7,312,100

*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: 4

Heating & Cooling
Heating Fuel Type: Electric
Heating Type: Hot Water Steam

Fireplace Information
# of Fireplaces: 2
Has Fireplace

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Old
Building Construction Quality: Good
Building Type: Single Family

Pool Information
Pool Type: Gunite
Has Pool

Property Information
Living Sq. Ft: 11,728
Ground Floor Sq. Ft: 2,410
Building Sq. Ft: 11,728
Legal Description: '94 COMBINED LOTS 19 & 21OWNER

Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 590
Garage / Carport Type: Detached

Lot Information
# of Buildings: 1
Land Sq. Ft: 90,169
Legal Lot Number: 19
Legal Block Number: 3
School Tax District: SOUTHHAMPTON
Municipality Name: SOUTHAMPTON
Acres: 2.07
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: 6
Baths: 4.0
Sq. Ft.: 11,728
Stories: —
Lot Size: 2.07 acres
Style: Single Family Residential
Year Built: 2016
Year Renovated: —
County: Suffolk County
APN: 0900160000300021001

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

K - 12
Preschool & daycare

Southampton Intermediate School

Public 5-8 • Assigned • 1.8mi

6/10

Southampton High School

Public 9-12 • Assigned • 1.6mi

7/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

6/10 Flood Factor

Estimated 70-78% 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, 20 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

3/10 Air Factor

3 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

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

$15.60M – $18.89M

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Nearby similar homes

NEW 35 MINS AGO

$2,995,000

3 beds2 baths1,700 sq ft

700 Edge Of Woods Rd, Water Mill, NY 11976

Modern kitchen • Versatile bonus room • Expansive lot size

Listing by Brown Harris Stevens Hamptons

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Listing by Greene Realty Group

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Listing by Saunders West LLC

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Private cul-de-sac • Franklin stove • New kitchen

Listing by Douglas Elliman Real Estate

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Quiet cul-de-sac • Exceptional privacy • Formal dining room

Listing by Sothebys Int'l Realty Hamptons

$14,695,000

7 beds6 baths8,941 sq ft

522 Wickapogue Rd, Southampton, NY 11968

Custom-built closets • State-of-the-art gym • Heated gunite pool

Listing by Nest Seekers International LLC

New listings for sale in 11976

NEW 35 MINS AGO

$2,995,000

3 beds2 baths1,700 sq ft

700 Edge Of Woods Rd, Water Mill, NY 11976

Modern kitchen • Versatile bonus room • Expansive lot size

Listing by Brown Harris Stevens Hamptons

FOR SALE BY OWNER

$4,550,000

5 beds6 baths4,800 sq ft

50 Tanager Ln, Water Mill, NY 11976

Heated gunite pool • Barbeque grill • Room for tennis

$2,999,995

4 beds4.5 baths2,400 sq ft

2 Schwenks Rd, Water Mill, NY 11976

Junior primary suite • Indoor outdoor setup • Mature landscaping

Listing by Douglas Elliman Real Estate

Home values near 91 Cobb Isle Rd

Data from public records.

Address	Redfin Estimate
34 Cobb Isle Road, Water Mill, NY 5 Beds \| 3 Baths \| 6341 Sq. Ft.	$14,728,479
104 Cobb Isle Road, Water Mill, NY 5 Beds \| 4 Baths \| 3335 Sq. Ft.	$7,203,698

Address	Redfin Estimate
52 Cobb Isle Road, Water Mill, NY 5 Beds \| 3 Baths \| 5176 Sq. Ft.	$8,369,101
54 Cobb Isle Road, Water Mill, NY 4 Beds \| 7 Baths \| 7298 Sq. Ft.	$10,557,231

Address	Redfin Estimate
80 Cobb Isle Road, Water Mill, NY 7 Beds \| 3 Baths \| 7155 Sq. Ft.	$12,519,391
121 Cobb Isle Road, Water Mill, NY 6 Beds \| 3 Baths \| 6407 Sq. Ft.	$16,968,737

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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 91 Cobb Isle Rd

Tax history for 91 Cobb Isle Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11976

Home values near 91 Cobb Isle Rd

More real estate resources