5815 21st Ave
Brooklyn, NY 11204
4 bd 3 ba 1,600 sqft Lot 1,600 sqft multi_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 | $60,120 | $18,900 | $79,020 | $7,985 |
| 2024 | $60,120 | $18,900 | $79,020 | $7,944 |
| 2023 | $64,380 | $18,900 | $83,280 | $7,596 |
| 2022 | $61,260 | $18,900 | $80,160 | $7,124 |
| 2021 | $46,020 | $18,900 | $64,920 | $7,148 |
| 2020 | $45,480 | $18,900 | $64,380 | $7,185 |
| 2019 | $43,800 | $18,900 | $62,700 | $6,602 |
| 2018 | $21,619 | $9,551 | $31,170 | $6,215 |
| 2017 | $18,397 | $11,341 | $29,738 | $5,762 |
| 2016 | $16,903 | $11,402 | $28,305 | $5,348 |
| 2015 | $16,303 | $11,987 | $28,290 | $5,222 |
| 2014 | $13,596 | $13,873 | $27,469 | $4,957 |
| 2013 | $11,120 | $14,855 | $25,975 | $4,685 |
| 2012 | $10,701 | $14,081 | $24,782 | $4,218 |
| 2010 | $12,074 | $11,514 | $23,588 | $3,751 |
| 2009 | $11,315 | $12,260 | $23,575 | $3,675 |
| 2007 | $17,428 | $3,224 | $20,652 | $2,988 |
Property facts
Year built
—
Property type
multi_family
Stories
2
Beds
4
Baths
3
Living area
1,600 sqft
Lot size
1,600 sqft
ZIP code
11204
City
Brooklyn
Street
21st Ave
Coordinates
40.61871, -73.97963
Comparable properties nearby
Frequently asked questions
When did 5815 21st Ave last sell?
No public-record sale is on file for 5815 21st Ave.
What is the current tax assessment for 5815 21st Ave?
The most recent total assessment for 5815 21st Ave (year 2025) is $79,020 with $7,985 in property tax.
When was 5815 21st Ave built?
The year built for 5815 21st Ave is not in our records.
How does 5815 21st Ave compare to others on 21st Ave?
We track 8 other properties on 21st Ave. Browse the list under "Other properties on 21st Ave" to compare beds, baths, and sale history.
What are the property facts for 5815 21st Ave?
5815 21st Ave is a 4 bed, 3 bath, 1,600 sqft, 1,600 sqft lot multi_family.
Is 5815 21st Ave a flip candidate?
No — 5815 21st Ave does not appear in our flips dataset.
Is 5815 21st Ave a tax-appeal candidate?
No — 5815 21st Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.6%
Implied 1-yr
+6.3%
2026 Q1
$1.35M
2026 Q2
$1.35M
ZIP 11204 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st Ave