6401 20 Avenue
Brooklyn, NY 11204BBL 3-05549-0010Map
Owner of record: Happy Valley Place LLC
6401 20 Avenue is a mixed residential and retail building built in 1931 in Brooklyn, 11204. It has 1 residential unit across 2 floors. The owner of record is Happy Valley Place LLC. HPD has recorded 5 housing violations here, most recently on November 24, 2025. 4 of the 5 most recent violations are still open.
- HPD violations
- 5
- DOB violations
- 2
- ECB violations
- 0
- HPD complaints
- 0
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
- 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 24, 2025
Open — Info nov sent out - 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.
Dec 3, 2024
Open — Info nov sent out - 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 28, 2023
Open — Info nov sent out - 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 17, 2022
Open — Info nov sent out - 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.
Mar 16, 2022
Closed — Violation dismissed
DOB building violations · 2
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 26, 2002
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 7, 2000
Dob violation - dismissed
ECB violations · 0
No ECB violations on record
Complaints
No HPD complaints in our records
Sales history
No recorded sales in our data
Building details
- Building type
- Mixed residential and retail building (S1)
- Year built
- 1931
- Floors
- 2
- Residential units
- 1
- Building area
- 3,600 ft²
- Lot area
- 1,770 ft²
- Zoning
- R5
- Community board
- 311
- Council district
- 43
- Block / lot
- 5549 / 10
- Assessed value
- $126,060
- Landmark / historic district
- No
HPD registration #813725, last renewed —.
Questions about 6401 20 Avenue
Who owns 6401 20 Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Happy Valley Place LLC.
Does 6401 20 Avenue have violations?
Yes. NYC HPD has recorded 5 housing violations at this property.
Is 6401 20 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 6401 20 Avenue built?
City records list 1931 as the year it was built.
How many apartments are in 6401 20 Avenue?
It has 1 residential units and 2 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.