9921 4th Ave
Brooklyn, NY 11209
— ba 826 sqft Built 1985 Lot 22,035 sqft condo
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 | $34,704 | $3,248 | $37,952 | $3,377 |
| 2024 | $34,704 | $3,248 | $37,952 | $3,632 |
| 2023 | $36,723 | $3,248 | $39,971 | $3,525 |
| 2022 | $39,027 | $3,248 | $42,275 | $3,618 |
| 2021 | $35,485 | $3,248 | $38,733 | $3,416 |
| 2020 | $39,950 | $3,248 | $43,198 | $3,519 |
| 2019 | $36,993 | $3,248 | $40,241 | $4,533 |
| 2018 | $37,991 | $3,248 | $41,239 | $4,132 |
| 2017 | $34,592 | $3,248 | $37,840 | $3,707 |
| 2016 | $30,465 | $3,248 | $33,713 | $3,353 |
| 2015 | $25,648 | $3,248 | $28,896 | $3,079 |
| 2014 | $22,084 | $3,248 | $25,332 | $2,796 |
| 2013 | $19,923 | $3,248 | $23,171 | $2,036 |
| 2012 | $18,888 | $3,248 | $22,136 | $2,679 |
| 2010 | $16,289 | $3,313 | $19,602 | $2,404 |
| 2009 | $16,532 | $3,248 | $19,780 | $2,612 |
| 2007 | $17,161 | $3,248 | $20,409 | $2,434 |
Property facts
Year built
1985
Property type
condo
Stories
6
Beds
—
Baths
—
Living area
826 sqft
Lot size
22,035 sqft
ZIP code
11209
City
Brooklyn
Street
4th Ave
Coordinates
40.61297, -74.03310
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 9921 4th Ave last sell?
No public-record sale is on file for 9921 4th Ave.
What is the current tax assessment for 9921 4th Ave?
The most recent total assessment for 9921 4th Ave (year 2025) is $37,952 with $3,377 in property tax.
When was 9921 4th Ave built?
9921 4th Ave was built in 1985.
How does 9921 4th Ave compare to others on 4th Ave?
We track 8 other properties on 4th Ave. Browse the list under "Other properties on 4th Ave" to compare beds, baths, and sale history.
What are the property facts for 9921 4th Ave?
9921 4th Ave is a — bath, 826 sqft, 22,035 sqft lot condo.
Is 9921 4th Ave a flip candidate?
No — 9921 4th Ave does not appear in our flips dataset.
Is 9921 4th Ave a tax-appeal candidate?
No — 9921 4th 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
-2.7%
Implied 1-yr
-10.6%
2026 Q3
$677.4K
2026 Q4
$655.7K
ZIP 11209 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 4th Ave