Stop Searching....Start Customizing! At ARCH&Co, we believe your home should be customized to your lifestyle. Only an extraordinary pre-completion opportunity can do this. You don't just get a house-you get the chance to collaborate on a truly bespoke living experience. From architectural style to interior finishes, ARCH&Co offers an exclusive array of customizations, allowing you to shape every detail to fit your vision.This property offers an unparalleled blend of luxury with personalization and can be move-in ready in as little as 9 months. Priced at $3.99 million-yes, that's for the finished house, not just the land-this stunning 5,000-square-foot estate (7,000 including the lower level) features 5 bedrooms, 4.5 bathrooms, an open kitchen, and a 20x40 heated gunite pool, all standard. ARCH&Co provides over 50 customization options to elevate your lifestyle starting with the architectural style. Enhance the first floor with a den, add a cozy fireplace to the family room, or a cabana bathroom for convenience. Consider a washer/dryer in the mudroom or indulge in the luxury of a wine cellar off the living room. On the second floor, elevate your primary suite with a sitting room, deck, or fireplace, and treat yourself to a coffee bar. Add a third-floor observation deck for stunning views. Transform the lower into an entertainment hub with an additional bedroom, bathroom, home theater, and gym. With ARCH&Co, you are never working alone; collaborate with renowned interior designer Fiorello Designs to bring your vision to life. Personalize your selections for tile, flooring, paint colors, cabinets, and countertops-all included within the standard price-ensuring your home reflects your unique style and taste. This is a rare opportunity to create a customized home. Contact us today to learn more about this exceptional offering. (Seller is the listing agent.)
Sold for $2,330,000
$2,330,000
10 Round Pond Ln, Sag Harbor, NY 11963
5beds
5,000sqft
Single Family Residence
Built in 2025
0.63 Acres Lot
$3,854,300 Zestimate®
$466/sqft
$6,109 Estimated rent
Home value
$3,854,300
$3.66M - $4.05M
$6,109/mo
Zestimate® history
Owner options
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$6,109/mo
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$16,215/mo
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List your homeWhat's special
Cozy fireplaceHeated gunite poolObservation deckCoffee barWine cellarHome theaterOpen kitchen
Zillow last checked:
Source: Out East,MLS#: 389801
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Rooms
- Room types: Family Room, Laundry, Library
Cooling
- Central Air
Features
- Basement: No
- Has fireplace: No
Interior area
- Total structure area: 5,000
- Total interior livable area: 5,000 sqft
Property
Parking
- Parking features: GarageDetached
- Has garage: Yes
Features
- Stories: 2
- Has private pool: Yes
- Pool features: Heated
- Has spa: Yes
- Spa features: Heated
Lot
- Size: 0.63 Acres
Details
- Parcel number: 0900026000200023001
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- New Construction
- New construction: Yes
- Year built: 2025
Community & HOA
Location
- Region: Sag Harbor
Financial & listing details
- Price per square foot: $466/sqft
- Tax assessed value: $774,100
- Date on market: 7/10/2025
- Lease term: Contact For Details
Price history
| Date | Event | Price |
|---|---|---|
| 4/27/2026 | Sold | $2,330,000-41.7%$466/sqft |
Source: Public Record Report a problem | ||
| 7/10/2025 | Listed for sale | $3,999,900$800/sqft |
Source: Out East #389801 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $774,100 |
| 2024 | -- | $774,100 |
| 2023 | -- | $774,100 |
| 2022 | -- | $774,100 |
| 2021 | -- | $774,100 |
| 2020 | -- | $774,100 |
| 2019 | -- | $774,100 +13.2% |
| 2018 | -- | $684,000 |
| 2017 | $5,036 | $684,000 |
| 2016 | -- | $684,000 |
| 2015 | -- | $684,000 |
| 2014 | -- | $684,000 -10% |
| 2013 | -- | $760,000 |
| 2012 | -- | $760,000 |
| 2011 | -- | $760,000 |
| 2007 | $4,715 +29.8% | $760,000 +70.8% |
| 2005 | $3,631 +3.4% | $445,019 +6272% |
| 2004 | $3,513 +9.5% | $6,984 +1.2% |
| 2003 | $3,209 +9.5% | $6,900 |
| 2002 | $2,930 | $6,900 |
Find assessor info on the county website
Neighborhood: 11963
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Nearby schools
GreatSchools rating
- 8/10Sag Harbor Elementary SchoolGrades: PK-5Distance: 1.1 mi
- 8/10Pierson Middle High SchoolGrades: 6-12Distance: 0.9 mi
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Estimated market value
$3,854,300
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$3,854,300
- New York
- Suffolk County
- Bridgehampton
- 11963
- 10 Round Pond Ln