12 Union St
Sag Harbor, NY 11963
— ba single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $8,700 | $350 | $9,050 | $9,821 |
| 2024 | $8,700 | $350 | $9,050 | $9,950 |
| 2023 | $8,700 | $350 | $9,050 | $11,585 |
| 2022 | $8,700 | $350 | $9,050 | $15,888 |
| 2021 | $8,700 | $350 | $9,050 | $17,001 |
| 2020 | $8,700 | $350 | $9,050 | $4,542 |
| 2018 | $8,700 | $350 | $9,050 | $9,301 |
| 2017 | $8,700 | $350 | $9,050 | $9,532 |
| 2016 | $8,700 | $350 | $9,050 | $9,485 |
| 2015 | $8,700 | $350 | $9,050 | $9,119 |
| 2014 | $8,700 | $350 | $9,050 | $8,349 |
| 2013 | $8,700 | $350 | $9,050 | $8,376 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
—
ZIP code
11963
City
Sag Harbor
Street
Union St
Coordinates
40.99862, -72.29149
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 12 Union St last sell?
No public-record sale is on file for 12 Union St.
What is the current tax assessment for 12 Union St?
The most recent total assessment for 12 Union St (year 2025) is $9,050 with $9,821 in property tax.
When was 12 Union St built?
The year built for 12 Union St is not in our records.
How does 12 Union St compare to others on Union St?
We track 4 other properties on Union St. Browse the list under "Other properties on Union St" to compare beds, baths, and sale history.
What are the property facts for 12 Union St?
12 Union St is a — bath single_family.
Is 12 Union St a flip candidate?
No — 12 Union St does not appear in our flips dataset.
Is 12 Union St a tax-appeal candidate?
No — 12 Union 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 Union St