12 William St
Sag Harbor, NY 11963
2 bd 2 ba 1,324 sqft Built 2001 Lot 3,485 sqft 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 | $724,500 | $746,500 | $1,471,000 | $2,042 |
| 2024 | $724,500 | $746,500 | $1,471,000 | $4,085 |
| 2023 | $724,500 | $746,500 | $1,471,000 | $4,045 |
| 2022 | $724,500 | $746,500 | $1,471,000 | $11,856 |
| 2021 | $724,500 | $746,500 | $1,471,000 | $11,744 |
| 2020 | $724,500 | $746,500 | $1,471,000 | $7,715 |
| 2018 | $847,800 | $746,500 | $1,594,300 | $9,159 |
| 2017 | $152,300 | $459,400 | $611,700 | $3,262 |
| 2016 | $3,000 | $15,000 | $18,000 | $19 |
| 2015 | $152,300 | $459,400 | $611,700 | $3,473 |
| 2014 | $152,300 | $459,400 | $611,700 | $3,583 |
| 2013 | $152,300 | $459,400 | $611,700 | $3,578 |
| 2012 | $152,300 | $459,400 | $611,700 | $3,483 |
| 2011 | $152,300 | $459,400 | $611,700 | $3,344 |
| 2010 | $152,300 | $459,400 | $611,700 | $3,211 |
| 2008 | $152,300 | $459,400 | $611,700 | $2,720 |
| 2007 | $152,300 | $459,400 | $611,700 | $2,760 |
| 2006 | $152,300 | $765,600 | $917,900 | $3,107 |
Property facts
Year built
2001
Property type
single_family
Stories
2
Beds
2
Baths
2
Living area
1,324 sqft
Lot size
3,485 sqft
ZIP code
11963
City
Sag Harbor
Street
William St
Coordinates
40.99550, -72.29149
Comparable properties nearby
Frequently asked questions
When did 12 William St last sell?
No public-record sale is on file for 12 William St.
What is the current tax assessment for 12 William St?
The most recent total assessment for 12 William St (year 2025) is $1,471,000 with $2,042 in property tax.
When was 12 William St built?
12 William St was built in 2001.
How does 12 William St compare to others on William St?
We track 3 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 12 William St?
12 William St is a 2 bed, 2 bath, 1,324 sqft, 3,485 sqft lot single_family.
Is 12 William St a flip candidate?
No — 12 William St does not appear in our flips dataset.
Is 12 William St a tax-appeal candidate?
No — 12 William 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 William St