342 21 Street
Brooklyn, NY 11215BBL 3-00898-0033Map
Owner of record: 342 21st Street LLC
342 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 342 21st Street LLC. HPD has recorded 121 housing violations here, most recently on May 19, 2026. 19 of the 50 most recent violations are still open. City tax records listed 1 rent-stabilized apartment here in 2024.
- HPD violations
- 121
- DOB violations
- 4
- ECB violations
- 5
- HPD complaints
- 93
What to know
Immediately hazardous issues among recent violations are still open.
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 · 121
- ANon-hazardous
Post a proper notice regarding rent stabilization law, in a form approved by the commissioner, in a conspicuous location within the common area at the buildings entrance. for more information about signage requirements, please visit: https://www.nyc.gov/site/hpd/services-and-information/required-signage.page
May 19, 2026
Open — Nov sent out - ANon-hazardous
Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected
May 19, 2026
Open — Nov sent out - BHazardous
Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the floor at public hall, 3rd story
May 19, 2026
Open — Nov sent out - CImmediately hazardous
Properly repair with similar material the broken or defective wood baluster 1st from east at south at balustrade, at public hall, 3rd story
May 19, 2026
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective wood baseboard at the south wall, in the kitchen located at apt 4l, 4th story, 1st apartment from east at south
May 19, 2026 · Apt 4L
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective wood casing at the closet 1st from south at west, in the kitchen located at apt 4l, 4th story, 1st apartment from east at south
May 19, 2026 · Apt 4L
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the south and west walls inside closet 1st from. south at west in the kitchen located at apt 4l, 4th story, 1st apartment from east at south
May 19, 2026 · Apt 4L
Open — Not complied with - CImmediately hazardous
Properly repair or replace the broken or defective counter balance at lower sash 1st window from east at south, in the kitchen located at apt 4l, 4th story, 1st apartment from east at south
May 19, 2026 · Apt 4L
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling, east and south walls, in the kitchen located at apt 4l, 4th story, 1st apartment from east at south
May 19, 2026 · Apt 4L
Open — Not complied with - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at east wall, in the private hallway located at apt 4l, 4th story, 1st apartment from east at south
May 19, 2026 · Apt 4L
Closed — Violation closed
DOB building violations · 4
- Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Feb 27, 2013
Dob violation - dismissed - Low pressure boiler boiler required
Lblvio-low pressure boiler boiler required
Dec 31, 2009
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 1, 2009
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 3, 2008
Dob violation - dismissed
ECB violations · 5
- Class - 2
Sec. bc 1704.1.1. failure to file a special inspection statement of responsibility prior to permit issuance & prior to start of work. noted:upon inspection owner failed to sign tr1 statement of responsibility
Apr 4, 2013
Resolve - Class - 2
Failure to post dot permit for street closing. noted: upon inspection 40 yd container in street w/expired dot permit posted. remedy: post permit.
Apr 4, 2013 · Penalty $250
Resolve - Class - 2
Failure to post "no smoking" signs at construction site in violation of nyc fire code. noted: upon inspection no "no smoking" signs posted in bldg on flrs w/ongoing construction. remedy: post signs.
Apr 4, 2013 · Penalty $400
Resolve - Class - 1
Work w/o permit. work noted: full gut renovation in progress at apt 2lwalls plumbing and electrical being removed. remedy: stop all work obtain all necessary permit.
Nov 28, 2012 · Penalty $1,600
Resolve - Hazardous
B4b,4b,16,42b,44a,48a,50,b,c,d,e,f.50a-relief valve piped incorrectly.50b-no backflow preventor.50c-no check valve between backflow & boiler.50d(equilozer)line rotted.50c-hartford loop rotted.50f-no sign posted
May 11, 2007 · Penalty $400
Resolve
Complaints
- Door/window
Window frame
May 15, 2026 · Apt 4L
Close - Flooring/stairs
Floor
May 15, 2026 · Apt 4L
Close - Plumbing
Bathtub/shower
May 15, 2026 · Apt 4L
Close - General
Cabinet
May 15, 2026 · Apt 4L
Close - Unsanitary condition
Pests
May 15, 2026 · Apt 4L
Close - Paint/plaster
Wall
May 15, 2026 · Apt 4L
Close - Water leak
Heavy flow
May 8, 2026 · Apt 3L
Close - Door/window
Door
Mar 24, 2026 · Apt 4L
Close - Door/window
Door
Mar 24, 2026 · Apt 4L
Close - Paint/plaster
Wall
Mar 24, 2026 · Apt 4L
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 / 33
- Assessed value
- $874,350
- Landmark / historic district
- No
HPD registration #316999, last renewed Sep 11, 2025.
Questions about 342 21 Street
Who owns 342 21 Street?
The owner of record in NYC Department of City Planning PLUTO data is 342 21st Street LLC.
Does 342 21 Street have violations?
Yes. NYC HPD has recorded 121 housing violations at this property.
Is 342 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 342 21 Street built?
City records list 1931 as the year it was built.
How many apartments are in 342 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.