21 Water St
Sag Harbor, NY 11963
3 bd 4 ba 2,852 sqft Built 2015 Lot 43,124 sqft condos
Most recent sale
$2,108,400
Sep 23, 2020
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jul 14, 2022 | Listed | $3,495,000 | MLS #11088032 |
| Sep 23, 2020 | Sold | $2,108,400 | Public Record |
| Jul 31, 2020 | Sold | $2,100,000 | MLS #10350675 |
| Jul 17, 2017 | Relisted | $2,950,000 | MLS #10350675 |
| Feb 2, 2017 | Price changed | $2,950,000 | MLS #10350675 |
| Feb 10, 2016 | Listed | $2,950,000 | MLS #104435 |
| Jul 17, 2015 | Listed | $3,330,000 | MLS #HALS10871248 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,149,900 | — | $1,149,900 | $1,596 |
| 2024 | $1,149,900 | — | $1,149,900 | $3,193 |
| 2023 | $1,149,900 | — | $1,149,900 | $9,492 |
| 2022 | $1,149,900 | — | $1,149,900 | $9,594 |
| 2021 | $1,137,667 | — | $1,137,667 | $9,443 |
| 2020 | $1,137,667 | — | $1,137,667 | $6,097 |
| 2019 | $1,137,667 | — | $1,137,667 | $6,097 |
| 2018 | $1,137,667 | — | $1,137,667 | $6,536 |
| 2017 | $1,200,000 | — | $1,200,000 | $6,894 |
Property facts
Year built
2015
Property type
condos
Stories
1
Beds
3
Baths
4
Living area
2,852 sqft
Lot size
43,124 sqft
ZIP code
11963
City
Sag Harbor
Street
Water St
Coordinates
41.00010, -72.29960
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Water St last sell?
21 Water St most recently sold on Sep 23, 2020 for $2,108,400.
What is the current tax assessment for 21 Water St?
The most recent total assessment for 21 Water St (year 2025) is $1,149,900 with $1,596 in property tax.
How does 21 Water St's assessment compare to its last sale price?
The current assessment is 45.5% below the last sale price of $2,108,400.
When was 21 Water St built?
21 Water St was built in 2015.
How does 21 Water St compare to others on Water St?
We track 8 other properties on Water St. Browse the list under "Other properties on Water St" to compare beds, baths, and sale history.
What are the property facts for 21 Water St?
21 Water St is a 3 bed, 4 bath, 2,852 sqft, 43,124 sqft lot condos.
Is 21 Water St a flip candidate?
No — 21 Water St does not appear in our flips dataset.
Is 21 Water St a tax-appeal candidate?
No — 21 Water St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.2%
Implied 1-yr
+4.9%
2026 Q2
$3.7M
2026 Q3
$3.74M
ZIP 11963 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Water St