




3 Jefferson Ave, Hampton Bays, NY, 11946
About This Home
Discover the charm of this unique upside-down beach home nestled in the desirable Rampasture area. Set on a generous .45-acre lot, with room for a pool, 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.
Getting Around
Schools
Construction
Condition
- Year built: 1973
Type & Style
- Home type: SingleFamily
- Property subType: Single Family Residence
Interior
Basement
- Has basement: Yes
- Basement: Yes
Bedrooms & Bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Features
- Fireplace: Yes
Interior Area
- Total structure area: 1,344
- Total interior livable area: 1,344 sqft
Property
Details
- Parcel number: 0900293000100007000
Features
- Stories: 2
- Pool features: Room for a Pool
Lot
- Lot size: 0.45 Acres
Parking
- Parking features: None
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Coastal Flooding
- Hurricane
- Inland Flooding
- Winter Weather
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters in Suffolk County and New York
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $4,545 | $54,540 |
| Home Insurance * | $421 | $5,052 |
| Property Taxes | $206 | $2,472 |
| Electricity | $246 | $2,954 |
| Total | $5,418 | $65,016 |
Income You'd Need if You Spent...
New York FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-03-29 | Price change | $999,000 |
| 2025-11-20 | Price change | $999,999 |
| 2025-11-06 | Listed for sale | $1,090,000 |
| 2013-03-05 | Listing removed | $349,000 |
| 2013-02-09 | Listed for sale | $349,000 |
