6904 21 Avenue
Brooklyn, NY 11204BBL 3-06163-0040Map
Owner of record: Benjamin Wu, As Trustee
6904 21 Avenue is a walk-up apartment building built in 1925 in Brooklyn, 11204. It has 4 residential units across 2 floors. The owner of record is Benjamin Wu, As Trustee. HPD has recorded 5 housing violations here, most recently on June 6, 2025.
- HPD violations
- 5
- DOB violations
- 0
- ECB violations
- 2
- HPD complaints
- 3
What to know
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 5
- ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Jun 6, 2025
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Apr 3, 2024
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Apr 6, 2021
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Nov 16, 2017
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Oct 6, 2015
Closed — Violation dismissed
DOB building violations · 0
No DOB violations on record
ECB violations · 2
- Class - 2
Failure to comply w/the commissioner's order to file a certificate of correction w/dob for nov 34242449n issued 3/22/00. rmdy: file certificate of correction.
May 10, 2013
Resolve - Non-hazardous
Residence altered as a dwelling for more than the legally approved #offamilies c of o#35600 indicate 4 families residence now altered for occupancy by 5 families alteration work noted:at cellar level full parti
Mar 22, 2000 · Penalty $3,050
Resolve
Complaints
- Unsanitary condition
Pests
Oct 14, 2020 · Apt 1
Close - Flooring/stairs
Floor
Oct 14, 2020 · Apt 1
Close - Heating
Heat related
Nov 10, 2010 · Apt 4
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C3)
- Year built
- 1925
- Floors
- 2
- Residential units
- 4
- Building area
- 3,520 ft²
- Lot area
- 2,600 ft²
- Zoning
- R5
- Community board
- 311
- Council district
- 43
- Block / lot
- 6163 / 40
- Assessed value
- $435,600
- Landmark / historic district
- No
HPD registration #357841, last renewed Jul 28, 2026.
Questions about 6904 21 Avenue
Who owns 6904 21 Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Benjamin Wu, As Trustee.
Does 6904 21 Avenue have violations?
Yes. NYC HPD has recorded 5 housing violations at this property.
Is 6904 21 Avenue rent stabilized?
No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.
When was 6904 21 Avenue built?
City records list 1925 as the year it was built.
How many apartments are in 6904 21 Avenue?
It has 4 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.