336 21 Street
Brooklyn, NY 11215BBL 3-00898-0029Map
Owner of record: 3336-21st Street LLC
336 21 Street is a walk-up apartment building built in 1931 in Brooklyn, 11215. It has 8 residential units across 4 floors. The owner of record is 3336-21st Street LLC. HPD has recorded 4 housing violations here, most recently on June 6, 2025. 1 of the 4 most recent violations are still open. City tax records listed 1 rent-stabilized apartment here in 2024.
- HPD violations
- 4
- DOB violations
- 2
- ECB violations
- 6
- HPD complaints
- 139
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
Counts come from owners' rent-stabilization filings shown on NYC Department of Finance tax bills, as extracted by JustFix. They tell you a building has stabilized apartments, not which ones.
Think your apartment is stabilized? Request its rent history from HCR (free), then check your renewal with the renewal calculator.
Violations
Most recent first. The newest 10 per agency here; the full lists are a click away.
HPD housing violations · 4
- 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.
Mar 20, 2023
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 - BHazardous
Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. located at apt 2, 2nd story, 1st apartment from east at south
Jun 22, 2011 · Apt 2
Open — Not complied with
DOB building violations · 2
- 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 for failure to file annual boiler 2017 inspection report
Nov 8, 2019
Dob violation - active
ECB violations · 6
- Class - 3
Peerless steam boiler has blowdown valves corroded+leaking;correct violation+submit certificate of correction
May 12, 2025
Resolve - Non-hazardous
Failure to maintain exterior bldg wall. defect noted: hairline cracks develop on exterior front facade at 1st and 2nd story. exposed electrical wires at front entrance over door lintel. exhaust vent installed a
Apr 3, 2008 · Penalty $800
Active - Hazardous
Work w/o a permit. work noted: partitions erected @ cellar. creating kitchen (w/ gas stove & sink) 3 pc bthrm (sink toilet & tub) and storage rooms. remedy: obtain permit or restore premise to prior legal
Mar 25, 2008 · Penalty $800
Resolve - Hazardous
Bq9/36/4a/19b/36/6a bq9/noritz unit has no pl work type 6a/hazardous (leaking 4a-hazardous
Oct 29, 2005 · Penalty $5,000
Resolve - Non-hazardous
34a/38
Oct 29, 2005
Resolve - Non-hazardous
Failure to maintain: defect is fire escape at the rear at 2nd floor level one step is loose and the entire fire escape is corroded. remedy: repair defect.
Mar 15, 1995
Resolve
Complaints
- Heat/hot water
Entire building
Dec 16, 2017 · Apt 3R
Close - General
Windows
Jan 23, 2014 · Apt 2R
Close - Heating
Heat related
Jan 8, 2014 · Apt 4R
Close - Heating
Heat related
Jun 20, 2011 · Apt 2R
Close - General
Doors
Feb 22, 2011 · Apt 1R
Close - Appliance
Electric/gas range
Feb 10, 2011 · Apt 4L
Close - Heating
Heat related
Feb 10, 2011 · Apt 4L
Close - General
Floor
Feb 12, 2010 · Apt 4R
Close - Plumbing
Water supply
Apr 11, 2009 · Apt 1L
Close - Plumbing
Water supply
Apr 11, 2009 · Apt 1L
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1931
- Floors
- 4
- Residential units
- 8
- Building area
- 5,884 ft²
- Lot area
- 2,504 ft²
- Zoning
- R6B
- Community board
- 307
- Council district
- 39
- Block / lot
- 898 / 29
- Assessed value
- $874,350
- Landmark / historic district
- No
HPD registration #334136, last renewed Sep 3, 2025.
Questions about 336 21 Street
Who owns 336 21 Street?
The owner of record in NYC Department of City Planning PLUTO data is 3336-21st Street LLC.
Does 336 21 Street have violations?
Yes. NYC HPD has recorded 4 housing violations at this property.
Is 336 21 Street rent stabilized?
NYC Department of Finance tax bills listed 1 rent-stabilized units here in 2024 (about 13% of its 8 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 336 21 Street built?
City records list 1931 as the year it was built.
How many apartments are in 336 21 Street?
It has 8 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.