31 21st St
Brooklyn, NY 11226
— ba 41,000 sqft Built 1931 Lot 9,075 sqft other
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 | $982,800 | $163,350 | $1,146,150 | $116,923 |
| 2024 | $982,800 | $163,350 | $1,146,150 | $120,945 |
| 2023 | $948,150 | $163,350 | $1,111,500 | $115,934 |
| 2022 | $815,850 | $163,350 | $979,200 | $109,147 |
| 2021 | $657,000 | $163,350 | $820,350 | $99,733 |
| 2020 | $768,600 | $163,350 | $931,950 | $109,842 |
| 2019 | $719,100 | $163,350 | $882,450 | $106,048 |
| 2018 | $748,350 | $103,050 | $851,400 | $107,378 |
| 2017 | $827,550 | $103,050 | $930,600 | $106,652 |
| 2016 | $806,850 | $103,050 | $909,900 | $94,957 |
| 2015 | $805,500 | $103,050 | $908,550 | $81,302 |
| 2014 | $709,200 | $103,050 | $812,250 | $66,710 |
| 2013 | $528,300 | $103,050 | $631,350 | $56,002 |
| 2012 | $317,700 | $103,050 | $420,750 | $56,519 |
| 2010 | $384,030 | $93,240 | $477,270 | $46,058 |
| 2009 | $403,200 | $83,430 | $486,630 | $66,770 |
| 2007 | $535,500 | $54,000 | $589,500 | $53,654 |
Property facts
Year built
1931
Property type
other
Stories
6
Beds
—
Baths
—
Living area
41,000 sqft
Lot size
9,075 sqft
ZIP code
11226
City
Brooklyn
Street
21st St
Coordinates
40.65372, -73.96034
Comparable properties nearby
Frequently asked questions
When did 31 21st St last sell?
No public-record sale is on file for 31 21st St.
What is the current tax assessment for 31 21st St?
The most recent total assessment for 31 21st St (year 2025) is $1,146,150 with $116,923 in property tax.
When was 31 21st St built?
31 21st St was built in 1931.
How does 31 21st St compare to others on 21st St?
We track 8 other properties on 21st St. Browse the list under "Other properties on 21st St" to compare beds, baths, and sale history.
What are the property facts for 31 21st St?
31 21st St is a — bath, 41,000 sqft, 9,075 sqft lot other.
Is 31 21st St a flip candidate?
No — 31 21st St does not appear in our flips dataset.
Is 31 21st St a tax-appeal candidate?
No — 31 21st 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
+5.4%
Implied 1-yr
+21.7%
2026 Q3
$1.4M
2026 Q4
$1.46M
ZIP 11226 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st St