For sale

$5,850,000

4 Diamon Ct, Southampton, NY 11968

6beds

5,400sqft

Single Family Residence

Built in 2007

0.81 Acres Lot

$5,436,900 Zestimate^®

$1,083/sqft

$-- HOA

What's special

Cohesive interior program

Positioned within the Mill Farm enclave in Water Mill, this traditional residence spans 5,400 SF+/- above grade with a 2,266 SF+/- finished lower level, set on 0.81 acres+/- of landscaped grounds. The home is arranged with a cohesive interior program and a clear relationship between interior living spaces and the exterior setting, complemented by a 524 SF+/- attached two-car garage. The property offers a residential setting with access to surrounding amenities. Ocean beaches, including Little Plains Beach and Flying Point Beach, are 2 miles+/- away, with Cryder Beach 3 miles+/-. Southampton Village and Bridgehampton Village are both accessible, offering dining, shopping, and seasonal amenities. A complete Hamptons offering, 4 Diamon Ct brings together scale, layout, and location within the Mill Farm enclave-presenting a move-in ready opportunity moments from ocean beaches and village life.

101 days

618

23

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 6
Bathrooms: 7
Full bathrooms: 6
1/2 bathrooms: 1

Rooms

Room types: Family Room, Laundry

Cooling

Central Air

Features

Basement: Yes
Has fireplace: Yes

Interior area

Total structure area: 5,400
Total interior livable area: 5,400 sqft

Property

Parking

Parking features: GarageAttached
Has attached garage: Yes

Features

Stories: 3
Has private pool: Yes
Pool features: Heated

Lot

Size: 0.81 Acres

Details

Parcel number: 0900132000400003000

Construction

Type & style

Home type: SingleFamily
Property subtype: Single Family Residence

Condition

New construction: No
Year built: 2007

Community & HOA

Location

Region: Southampton

Financial & listing details

Price per square foot: $1,083/sqft
Tax assessed value: $2,899,500
Date on market: 4/16/2026
Lease term: Contact For Details

Estimated market value

$5,436,900

$5.17M - $5.71M

$8,831/mo

Price history

Date	Event	Price
4/16/2026	Listed for sale	$5,850,000+88.7%$1,083/sqft
Source: Out East #394979 Report a problem
1/4/2019	Sold	$3,100,000+44.2%$574/sqft
Source: Public Record Report a problem
8/12/2009	Sold	$2,150,000+1769.6%$398/sqft
Source: Public Record Report a problem
3/27/1998	Sold	$115,000$21/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	--	$2,899,500
2024	--	$2,899,500
2023	--	$2,899,500
2022	--	$2,899,500
2021	--	$2,899,500
2020	--	$2,899,500
2019	--	$2,899,500 +31.8%
2018	--	$2,200,700
2017	$10,006	$2,200,700
2016	--	$2,200,700
2015	--	$2,200,700
2014	--	$2,200,700
2013	--	$2,200,700
2012	--	$2,200,700
2011	--	$2,200,700 +46.1%
2007	$6,610 +243.4%	$1,506,400 +339.3%
2005	$1,925 +14.2%	$342,900 +7520%
2004	$1,685 +4.7%	$4,500
2003	$1,610 +3.2%	$4,500
2002	$1,560 +6.5%	$4,500
2001	$1,465	$4,500

Find assessor info on the county website

Monthly payment

Estimated monthly payment$1,822

Principal & interest
$1,547
Mortgage insurance
$0
Property taxes
$170
Home insurance
$105
HOA fees
$0
Utilities
Not included

All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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