OFF MARKET
Google satellite image for 121 Cobb Isle Rd, Water Mill, NY 11976
Off Market Aug 2014 for $21M
$13,250,854
Est. refi paymentEst. refi $137,000/mo
6
bd
•
3 ba
•
6,407
sq ft

121 Cobb Isle Rd, Water Mill, NY 11976

map-entry

About this home

121 Cobb Isle Rd is a 6,407 square foot house on a 1 acre lot with 6 bedrooms and 3 bathrooms. - it last sold on August 28, 2014 for $21,239,000. Based on Redfin's Water Mill data, we estimate the home's value is $13,250,854.
Single-familyProperty Type
2016Year Built
1 acresLot Size
$2,068Est. Price/Sq.Ft.
Source:Public Records

Redfin Estimate

$13,250,854
$8.0M since sold in August 2014$2.5M since August

This home's estimate is 149% higher than the average sale price ($5.32M) of 4 comparable homes.

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Earn from this home

Sell
$77,170
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$4,714/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
5

2 MoM

New listings for sale

Provided by Redfin

Sale history for 121 Cobb Isle Rd

Tax history for 121 Cobb Isle Rd

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

Property details

Around this home

Schools

Southampton Intermediate School

Public 5-8 • Assigned • 1.7mi

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

5/10 Flood Factor

Estimated 45-55% 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)
35
23
36
24
48
33
56
41
64
50
76
59
81
67
77
59
72
56
64
47
53
37
41
27
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
$12.59M – $15.24M

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Nearby similar homes

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Listing by Blue Shark Realty Group Inc
$3,600,000
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Listing by Daniel Gale Sothebys Intl Rlty

New listings for sale in 11976

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Home values near 121 Cobb Isle Rd

Data from public records.

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