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45 Old Sag Harbor RoadSouthampton, NY 11968

For Sale

$3,750,000

Smart Buyer Rebate $37,500

Set on over an acre of beautifully landscaped grounds, this 4,500 sq. ft. Southampton residence offers the perfect blend of sophistication and comfort. With five spacious, well-appointed bedrooms and six baths, the home features sun-filled interiors, expansive living and dining spaces and seamless access to outdoor living. A chef’s kitchen and elegant entertaining areas flow effortlessly to porches at both the front and back of the home. Classic custom finishes and attention to detail are noted on both the interior and exterior

The private grounds are enhanced by a sparkling heated pool with waterfall, extensive irrigation system and mature plantings that create a serene retreat. Designed for both relaxation and gathering, this home combines timeless Hampton's style with modern amenities— in the perfect location between Southampton Village and Sag Harbor Village. The location offers access to pristine beaches, dining, the arts and all the East End has to offer.

Listed by Deborah A. Pirro C2EX

·

Daniel Gale Sothebys Intl Rlty

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631-288-1050

Last updated October 22, 2026

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Source: OneKey #1048987

Listing Facts

  • TypeSingle-family
  • NeighborhoodNorth Sea
  • Bedrooms5
  • Bathrooms7
  • Days on Prevu10
  • Taxes$9,322/year
  • Size4,058 sqft
  • Price per sqft$924

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

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Listing History

10/21/2026
Listed by Daniel Gale Sothebys Intl Rlty
$3,750,000
  1. 10/21/2026$3,750,000
    Listed by Daniel Gale Sothebys Intl Rlty

Property Details for 45 Old Sag Harbor Road

Exterior

Construction

  • Property Condition: Actual
  • Year Built: 2022
  • Architectural Style: Traditional
  • Construction Materials: Frame

Features

  • Fencing: Vinyl, Wood
  • Other Structures: Shed(s)
  • Patio And Porch Features: Covered, Patio, Porch
  • Pool Features: In Ground
  • Pool Private: Yes

Measurements

  • Building Area Units: Square Feet
  • Lot Size Acres: 1.02
  • Lot Size Square Feet: 44,431

Financial

Taxes

  • Parcel Number: 0900-044-00-02-00-047-001
  • Tax Annual Amount: $9,322.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Dryer, Exhaust Fan, Gas Range, Microwave, Oven, Refrigerator, Stainless Steel Appliance(s), Tankless Water Heater, Washer, Wine Refrigerator
  • Fireplace Features: Bedroom, Family Room, Gas
  • Fireplace: Yes
  • Fireplaces Total: 3
  • Flooring: Wood
  • Interior Features: Built-in Features, Cathedral Ceiling(s), Ceiling Fan(s), Chandelier, Chefs Kitchen, Crown Molding, Double Vanity, Dry Bar, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, High Speed Internet, Kitchen Island, Open Floorplan, Open Kitchen, Pantry, Primary Bathroom, Quartz/Quartzite Counters, Recessed Lighting, Smart Thermostat, Soaking Tub

Measurements

  • Living Area: 4,058
  • Living Area Source: Other

Rooms

  • Basement: Full
  • Has Basement: Yes
  • Bathrooms Full: 6
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 7
  • Bedrooms Total: 5
  • Rooms Total: 11

Other

Location

  • Tax Block: 2
  • Tax Lot: 47.1

Parking

Parking

  • Parking Features: Driveway
  • Parking Total: 6

Schools

Elementary School

  • Elementary School: Southampton Elementary School
  • Elementary School District: Southampton

High School

  • High School: Southampton High School
  • High School District: Southampton

Middle or Junior School

  • Middle Or Junior School: Southampton Intermediate School
  • Middle Or Junior School District: Southampton

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Hot Air, Propane
  • Laundry Features: Laundry Room
  • Sewer: Cesspool
  • Utilities: Cable Connected, Electricity Connected, Propane, Trash Collection Private, Water Connected
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 5 bedrooms and 7 bathrooms in this single-family home at 45 Old Sag Harbor Road.

What schools are nearby to 45 Old Sag Harbor Road?

Nearby schools include the Southampton Elementary School, Southampton Intermediate School Middle School, and Southampton High School.

Does this single-family home have parking?

Yes, there are 6 parking spaces available for 45 Old Sag Harbor Road.

What are the annual taxes for 45 Old Sag Harbor Road?

Annual taxes for this single-family home are estimated at $9,322.

How does 45 Old Sag Harbor Road compare to other single-family homes in North Sea?

This single-family home is listed 17% above the average price for single-family homes in North Sea and has been on the market for 92 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 4,058 sqft.

45 Old Sag Harbor Road is a 5-bedroom, 7-bath single-family home for sale in Southampton NY 11968. On Prevu for 10 days at $3,750,000. This property features 4,058 square feet of living space, located in North Sea. The median listing price for single-family homes in this area is $2,849,500. Nearby schools include Southampton Elementary School, Southampton Intermediate School Middle School, and Southampton High School. The home offers private outdoor space, dishwasher, air conditioning, parking, swimming pool, and washer/dryer. Browse more single-family home listings in Suffolk County.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.