4521 Avenue D
Brooklyn, NY 11203BBL 3-04962-0042Map
Owner of record: Choi, Bong Nam
4521 Avenue D is a mixed residential and retail building built in 1933 in Brooklyn, 11203. It has 1 residential unit across 2 floors. The owner of record is Choi, Bong Nam. HPD has no housing violations on record for this property.
- HPD violations
- 0
- DOB violations
- 20
- ECB violations
- 5
- HPD complaints
- 0
What to know
No open immediately-hazardous violations among recent records.
HPD has not cited this building.
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 · 0
No HPD violations on record
DOB building violations · 20
- Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2023 external low pressure inspection
Sep 23, 2024
Dob violation - active - High pressure boiler boiler required
Violation issued-failure to file 2020 external hgh pressure inspection
Jun 30, 2023
Dob violation - dismissed - High pressure boiler boiler required
Violation issued-failure to file 2020 internal hgh pressure inspection
Jun 30, 2023
Dob violation - dismissed - High pressure boiler boiler required
Violation issued-failure to file 2021 external hgh pressure inspection
Jun 30, 2023
Dob violation - dismissed - High pressure boiler boiler required
Violation issued-failure to file 2021 internal hgh pressure inspection
Jun 30, 2023
Dob violation - dismissed - Low pressure boiler boiler required
Violation issued-failure to file 2020 external low pressure inspection
Jun 30, 2023
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2021 external low pressure inspection
Jun 30, 2023
Dob violation - active - High pressure boiler boiler required
Violation issued-failure to file 2018 external hgh pressure inspection
Jun 20, 2023
Dob violation - active - High pressure boiler boiler required
Violation issued-failure to file 2018 internal hgh pressure inspection
Jun 20, 2023
Dob violation - active
Show 10 more ↓
- High pressure boiler boiler required
Violation issued-failure to file 2019 external hgh pressure inspection
Jun 20, 2023
Dob violation - active - High pressure boiler boiler required
Violation issued-failure to file 2019 internal hgh pressure inspection
Jun 20, 2023
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2018 external low pressure inspection
Jun 20, 2023
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2019 external low pressure inspection
Jun 20, 2023
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2022 external low pressure inspection
Apr 25, 2023
Dob violation - active - High pressure boiler boiler required
Violation issued - failure to file 2017 external high pressure boiler inspection
Mar 16, 2020
Dob violation - active - High pressure boiler boiler required
Violation issued - failure to file 2017 internal high pressure boiler inspection
Mar 16, 2020
Dob violation - active - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2017 inspection report
Jan 17, 2020
Dob violation - active - High pressure boiler boiler required
Violation issued for failure to file 2016 annual high pressure boiler inspection
Jun 22, 2018
Dob violation - active - High pressure boiler boiler required
Violation issued for failure to file 2015 annual high pressure boiler inspection
Jun 23, 2017
Dob violation - active
ECB violations · 5
- Class - 3
B b354 50 50 jacket must be repaired around top left hand hole
Aug 17, 2009
Resolve - Non-hazardous
50. fulton vt boiler 10hp nb37934 gas fd 1980. 50 no drain line and associated shut off valve on the gauge glass assembly. install drain line and valve and pipe to safe point of discharge.
Apr 23, 2008 · Penalty $180
Resolve - Hazardous
50a/b/c/e/38/48b/50d.fulton n.b.50a-exposed wood in ceiling above boiler.50b-no manual reset button for low water cut-off control.50c-protective rods for water level glass are missing.
Sep 19, 2006 · Penalty $400
Active - Non-hazardous
50a/50b 50c fulton v.t. boiler, 10hp, nb37934, gas, 1980 50a) improperarrangement of the blowdown valves. install a screw-type (slow) valve at the outlet end of the blowdown line. 50b) wire straps in place on
Feb 7, 2005 · Penalty $180
Resolve - Non-hazardous
32,flue pipe section not proerly fitted in boiler housing and with each other. water pipe resting on steam pipe and safety valve to secure clear of boiler accessors.
Dec 9, 1992 · Penalty $200
Resolve
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
- 1933
- Floors
- 2
- Residential units
- 1
- Building area
- 3,600 ft²
- Lot area
- 2,000 ft²
- Zoning
- R4
- Community board
- 317
- Council district
- 45
- Block / lot
- 4962 / 42
- Assessed value
- $54,780
- Landmark / historic district
- No
Questions about 4521 Avenue D
Who owns 4521 Avenue D?
The owner of record in NYC Department of City Planning PLUTO data is Choi, Bong Nam.
Does 4521 Avenue D have violations?
NYC HPD has no housing violations on record for this property.
Is 4521 Avenue D 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 4521 Avenue D built?
City records list 1933 as the year it was built.
How many apartments are in 4521 Avenue D?
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.