Commanding 2 sprawling acres in the heart of Southampton, this masterfully designed new construction estate represents the pinnacle of Hamptons luxury. Spanning an impressive 9,600 +/- SF across 3 finished levels, the residence offers a rare combination of grand architectural scale and intimate, sophisticated comfort. With 8 spacious bedrooms and 10 bathrooms (8 full, 2 half), this home is perfectly engineered for both large-scale entertaining and quiet, private retreats. The light-filled interiors are defined by an open-concept floor plan featuring soaring ceilings, rich hardwood flooring, and a grand entry foyer that sets a tone of elegance. At the heart of the home, a gourmet chef's kitchen, complete with professional-grade stainless steel appliances, flows seamlessly into the formal dining and living areas. For those requiring a quiet workspace or a casual place to gather, the layout includes a dedicated den/office and a sun-drenched family room, ensuring there is a space for every mood and occasion. The exterior of the property is a private oasis designed for the ultimate summer lifestyle. An expansive deck overlooks the lush, manicured grounds and a magnificent gunite in-ground pool, offering the perfect setting for alfresco dining and poolside lounging. Complete with a two-car attached garage and modern amenities including central air and forced-air heating, this estate provides every convenience expected of a world-class Southampton residence. Ideally located and impeccably finished, this is a rare opportunity to own a significant piece of the East End.
New construction
Price cut: $250K (8/21)
$6,750,000
148 Middle Line Hwy, Southampton, NY 11968
8beds
9,600sqft
Single Family Residence
Built in 2025
2 Acres Lot
$6,452,200 Zestimate®
$703/sqft
$-- HOA
What's special
Magnificent gunite in-ground poolPrivate oasisExpansive deckTwo-car attached garageLight-filled interiorsOpen-concept floor planSoaring ceilings
- 275 days
- 466
- 24
Zillow last checked:
Listed by:
Saunders & Associates 631-458-4879,
Vincent Horcasitas - Associate Real Estate Broker 516-768-7330
Source: Out East,MLS#: 392778
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 8
- Bathrooms: 10
- Full bathrooms: 8
- 1/2 bathrooms: 2
Rooms
- Room types: Family Room, Laundry, Office
Cooling
- Central Air
Features
- Basement: Yes
- Has fireplace: Yes
Interior area
- Total structure area: 9,600
- Total interior livable area: 9,600 sqft
Property
Parking
- Parking features: GarageAttached
- Has attached garage: Yes
Features
- Stories: 3
- Has private pool: Yes
- Pool features: Heated
- Has spa: Yes
- Spa features: Heated
Lot
- Size: 2 Acres
Details
- Parcel number: 0900034000200026003
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- New Construction
- New construction: Yes
- Year built: 2025
Community & HOA
Location
- Region: Southampton
Financial & listing details
- Price per square foot: $703/sqft
- Tax assessed value: $1,215,500
- Date on market: 1/16/2026
- Lease term: Contact For Details
Estimated market value
$6,452,200
$6.13M - $6.77M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 8/21/2026 | Price change | $6,750,000-3.6%$703/sqft |
Source: Out East #392778 Report a problem | ||
| 7/15/2026 | Price change | $7,000,000-6.7%$729/sqft |
Source: Out East #392778 Report a problem | ||
| 1/16/2026 | Listed for sale | $7,500,000$781/sqft |
Source: Out East #392778 Report a problem | ||
| 1/10/2026 | Listing removed | $7,500,000$781/sqft |
Source: Out East #387921 Report a problem | ||
| 11/20/2025 | Price change | $7,500,000-6.1%$781/sqft |
Source: Out East #387921 Report a problem | ||
| 10/4/2025 | Price change | $7,990,000-0.1%$832/sqft |
Source: Out East #387921 Report a problem | ||
| 6/21/2025 | Price change | $7,994,0000%$833/sqft |
Source: Out East #387921 Report a problem | ||
| 5/19/2025 | Price change | $7,995,000-11.1%$833/sqft |
Source: Out East #387921 Report a problem | ||
| 4/13/2025 | Listed for sale | $8,995,000+1099.3%$937/sqft |
Source: Out East #387921 Report a problem | ||
| 6/13/2024 | Sold | $750,000-60.5%$78/sqft |
Source: Public Record Report a problem | ||
| 7/1/2023 | Listing removed | -- |
Source: | ||
| 5/3/2023 | Listed for sale | $1,900,000-73.2%$198/sqft |
Source: | ||
| 2/4/2023 | Listing removed | -- |
Source: | ||
| 2/14/2022 | Listed for sale | $7,100,000+425.9%$740/sqft |
Source: | ||
| 4/26/2021 | Sold | $1,350,000-9.7%$141/sqft |
Source: Public Record Report a problem | ||
| 6/11/2020 | Listed for sale | $1,495,000$156/sqft |
Source: SEASHELL REAL ESTATE #10897962 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $1,215,500 +48.8% |
| 2024 | -- | $817,000 |
| 2023 | -- | $817,000 |
| 2022 | -- | $817,000 |
| 2021 | -- | $817,000 |
| 2020 | -- | $817,000 |
| 2019 | -- | $817,000 +11.1% |
| 2018 | -- | $735,300 |
| 2017 | $3,275 | $735,300 +5.9% |
| 2016 | -- | $694,500 |
| 2015 | -- | $694,500 |
| 2014 | -- | $694,500 -0.1% |
| 2013 | -- | $695,400 |
| 2012 | -- | $695,400 |
| 2011 | -- | $695,400 -7.6% |
| 2007 | $3,356 +50% | $752,700 +88.2% |
| 2005 | $2,237 +49.4% | $399,900 +9998.5% |
| 2004 | $1,497 +5.3% | $3,960 |
| 2003 | $1,422 +1.7% | $3,960 |
| 2002 | $1,397 +6.3% | $3,960 |
| 2001 | $1,314 +2% | $3,960 |
| 2000 | $1,289 | $3,960 |
Find assessor info on the county website







