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7 Rosemary Lane

Sag Harbor, NY 11963

6 beds
10 baths
6,377 sqft
~1/2 acre lot
$893 per sqft
2025 build
– on site

Nestled in the heart of Sag Harbor, this stunning 6,400sq. ft new construction home is situated on .52 acres moments from Sag Harbor Village. Boasting 6 bedrooms and 8.2 bathrooms, the thoughtful layout coupled with high end finishes and amenities creates the perfect haven for entertaining and enjoying all season long from the spacious double height foyer, sun-filled great room with floor-to-ceiling, custom chef's kitchen with oversized island, butler pantry, formal dining room, first floor junior primary and wine cellar. Ascending to the second level, the primary bedroom beckons with a fireplace, private balcony, sitting room, and a spa-like primary bathroom with soaking tub and dual sinks. Three additional bedrooms, each with their own walk-in closet and bathroom, offer unparalleled comfort and privacy married by a sitting room for all to enjoy. The expansive lower level was designed with wellness and entertainment in mind, featuring a gym, sauna, temperature-controlled wine cellar, large recreational area with wet bar, media room, and additional ensuite bedroom with full bathrooms. Outdoors, the estate presents an exquisite retreat with an 40'x20' pool and 256+/- sq. ft. pool house, professional landscaping, and expansive porcelain patios for dining and lounging, offering the ultimate in outdoor and outdoor entertainment set for completion early Spring 2025., Additional information: Interior Features:Lr/Dr

Listing courtesy of ONEKEY / Douglas Elliman Real Estate

Last checked: Checking… • Last updated Jul 5, 2025 •

MLS# 885500 —

The Building

Year Built:

2025
Basement:

false
Architectural Style:

Farmhouse
Construction Materials:

Cedar, Frame, Shake Siding
Building Area Units:

Square Feet
Attic:

Partial

Interior

Levels:

Bi-Level
Living Area:

6377
Total Rooms:

22
Interior Features:

Cathedral Ceiling(s), Eat-in Kitchen, Entrance Foyer, Formal Dining, First Floor Bedroom, Master Downstairs, Primary Bathroom, Walk-In Closet(s), Wet Bar
Fireplaces Total:

2
Fireplace:

true
Flooring:

Hardwood
Living Area Source:

Plans
Additional Rooms:

Library/Den
# of Kitchens:

1

Financial & Terms

Lease Considered:

false

The Property

Parcel Number:

0900-026-00-02-00-047-000
Property Type:

Residential
Property Subtype:

Single Family Residence
Lot Size SqFt:

26,572 Sqft
Property Attached:

false
Property Condition:

New Construction, Under Construction
Additional Parcels:

false
Lot Size Dimensions:

.52
Waterfront:

false

Listing Agent

Contact info:

Taxes

Tax Year:

2025
Tax Source:

Municipality
Tax Lot:

9

Beds

Total Bedrooms:

6

Baths

Full Baths:

8
Half Baths:

2
Total Baths:

10

The Listing

Special Listing Conditions:

None

Heating & Cooling

Heating:

Other, See Remarks
Cooling:

Central Air

Utilities

Sewer:

Septic Tank
Utilities:

Propane
Water Source:

Public

Appliances

Appliances:

Dishwasher, Microwave, Oven, Range, Refrigerator, Wine Refrigerator

Schools

High School:

Pierson Middle/High School
Elementary School:

Sag Harbor Elementary School
High School District:

Sag Harbor
Middle School:

Pierson Middle/High School
Elementary School District:

Sag Harbor
Middle School District:

Sag Harbor

The Community

Association:

false
Senior Community:

false
Additional Fees:

No
Pool Private:

false
Spa:

false

Parking

Parking Features:

Attached, Private
Garage:

true
Garage Spaces:

2
Carport:

false

Monthly cost estimate

Asking price

$5,695,000

Expense	Monthly cost
Mortgage	$30,494
Taxes	N/A
Insurance	$1,566
Utilities	$320 See report
Total	$32,380/mo.^*
	^*This is an estimate

Explore the Area

My Commute

From

Walk Score®

Provided by WalkScore® Inc.

Bike Score®

Provided by WalkScore® Inc.

Air Pollution Index

Provided by ClearlyEnergy

Sale history

Date	Event	Source	Price	% Change
7/5/25 Jul 5, 2025	Listed / Active	ONEKEY	$5,695,000

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This house located in The Hamptons, Southampton, NY 11963 is currently for sale for $5,695,000. 7 Rosemary Lane is a 6,377 square foot house with 6 beds and 10 baths that has been on Estately for 0 days. 7 Rosemary Lane is in the The Hamptons neighborhood of Southampton and has a WalkScore® of 5, making it car-dependent. This house is in the attendance area of Pierson Middle-High School and Sag Harbor Elementary School.

Listing Courtesy of: ONEKEY and Douglas Elliman Real Estate.

IDX information is provided exclusively for consumers’ personal non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.

Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.