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3 Jefferson AvenueHampton Bays, NY 11946

For Sale

$1,090,000

Smart Buyer Rebate $10,900

Discover the charm of this unique upside-down beach home nestled in the desirable Rampasture area. Set on a generous .45-acre lot, this residence offers a perfect blend of light-filled interiors and inviting outdoor spaces.

The second floor serves as the heart of the home, boasting an open-concept living area bathed in natural light, complete with a wrap-around deck that invites you to enjoy the serene surroundings. The modern kitchen features an island that seamlessly connects to the living and dining room, where a cozy fireplace adds warmth and ambiance. A full bathroom on this level provides convenience and functionality.

On the first floor, you'll find two comfortable bedrooms, an additional full bathroom, and a versatile living room/den area. The enchanting four-season sunroom offers a tranquil space to relax year-round.

Step outside to a spacious backyard, perfect for entertaining or simply soaking in the natural beauty. An outdoor shower adds a touch of beachside convenience. This home is ideally located within walking distance to a private deeded bay beach, offering endless opportunities for scenic walks and water activities. Plus, you're just 10 minutes from the renowned Dune Road and the Town of Southampton ocean beaches, making every day feel like a vacation.

Listed by Antonio Bottero

·

Compass Greater NY LLC

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917-922-0390

Last updated November 18, 2025

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Source: OneKey #932738

Listing Facts

  • TypeSingle-family
  • NeighborhoodHampton Bays
  • Bedrooms2
  • Bathrooms2
  • Days on Prevu12
  • Taxes$6,547/year
  • Size1,344 sqft
  • Price per sqft$811

Amenities

  • Dishwasher
  • Washer/Dryer
  • Parking

Location

Mortgage Calculator

Listing History

11/07/2025
Listed by Compass Greater NY LLC
$1,090,000

Property Details for 3 Jefferson Avenue

Exterior

Construction

  • Year Built: 1973
  • Architectural Style: Contemporary
  • Construction Materials: Frame

Measurements

  • Building Area Total: 1,344
  • Building Area Units: Square Feet
  • Lot Size Acres: 0.45
  • Lot Size Square Feet: 19,602

Financial

Taxes

  • Parcel Number: 0900-293-00-01-00-007-000
  • Tax Annual Amount: $6,547.00
  • Tax Year: 2024

Interior

Features

  • Appliances: Dishwasher, Dryer, Gas Cooktop, Oven, Refrigerator, Stainless Steel Appliance(s), Washer
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Wood
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Formal Dining, Granite Counters, Open Floorplan, Open Kitchen
  • Spa: Yes

Measurements

  • Living Area: 1,344
  • Living Area Source: Public Records

Rooms

  • Basement: Unfinished
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 2
  • Rooms Total: 7

Parking

Parking

  • Parking Features: Private

Schools

Elementary School

  • Elementary School: Hampton Bays Elementary School
  • Elementary School District: Hampton Bays

High School

  • High School: Hampton Bays High School
  • High School District: Hampton Bays

Middle or Junior School

  • Middle Or Junior School: Hampton Bays Middle School
  • Middle Or Junior School District: Hampton Bays

Utilities

Equipment

  • Cooling: Ductless
  • Heating: Natural Gas
  • Sewer: Septic Tank
  • Utilities: Cable Connected, Electricity Connected
  • Water Source: Public

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 2025, 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.