20 Jefferson St Sag Harbor, NY 11963
Estimated Value: $3,516,000 - $6,424,000
About This Home
Located on a beautifully landscaped shy acre in the heart of Sag Harbor's historic district, this Federal-style house dates back to 1780 and has been beautifully restored and updated with every modern amenity. Featured in Elle Décor and The New York Times, this peaceful and private retreat, only a short stroll from Sag Harbor's wonderful shops and restaurants, boasts century old boxwoods, an allée of cherry trees, a heated gunite pool, bluestone terraces, a Carriage House reimagined as a pool house, and even a Chicken Coop. The principal rooms include a library, living room, mudroom, double height great hall perfect for entertaining, a family TV room and office, dining room overlooking the garden and a gourmet chef's kitchen with cathedral ceiling, 2 Bosch dishwashers, a Viking range, a SubZero refrigerator, wine cooler and fireplace. The private rooms include an exquisite primary suite with fireplace, cathedral ceiling and spa bathroom, two en-suite guest bedrooms, a staff room with separate egress, as well as two additional private guest areas each featuring an en-suite bedroom with living room for a total of 6 bedrooms, 6 fireplaces and 7 bathrooms. Beautifully designed for gracious living and entertaining, this property is truly the jewel of Sag Harbor.
Home Values in the Area
Average Home Value in this Area
Property History
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 02/06/2026 02/06/26 | Off Market | $145,000 | -- | -- |
| 01/23/2026 01/23/26 | Price Changed | $145,000 | 0.0% | -- |
| 01/23/2026 01/23/26 | For Rent | $145,000 | -9.4% | -- |
| 05/19/2025 05/19/25 | Off Market | $160,000 | -- | -- |
| 03/25/2025 03/25/25 | For Rent | $160,000 | 0.0% | -- |
| 03/25/2025 03/25/25 | Price Changed | $160,000 | +18.5% | -- |
| 10/28/2024 10/28/24 | Off Market | $135,000 | -- | -- |
| 07/25/2024 07/25/24 | For Rent | $135,000 | -- | -- |
Tax History
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2024 | $12,379 | $4,456,800 | $2,055,600 | $2,401,200 |
| 2023 | $12,257 | $4,456,800 | $2,055,600 | $2,401,200 |
| 2022 | $12,102 | $4,456,800 | $2,055,600 | $2,401,200 |
| 2021 | $12,488 | $4,570,500 | $2,055,600 | $2,514,900 |
| 2020 | $24,493 | $4,570,500 | $2,055,600 | $2,514,900 |
| 2019 | $36,581 | $0 | $0 | $0 |
| 2018 | -- | $3,706,300 | $1,541,700 | $2,164,600 |
| 2017 | $21,294 | $3,706,300 | $1,541,700 | $2,164,600 |
| 2016 | $22,146 | $3,706,300 | $1,541,700 | $2,164,600 |
| 2015 | -- | $3,706,300 | $1,541,700 | $2,164,600 |
| 2014 | -- | $3,706,300 | $1,541,700 | $2,164,600 |
Map
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Ask me questions while you tour the home.