421 West 43 Street
Manhattan, NY 10036BBL 1-01053-0022Map
Owner of record: Ninth Avenue Realty, LLC
421 West 43 Street is a walk-up apartment building built in 1910 in Manhattan, 10036. It has 17 residential units across 5 floors. The owner of record is Ninth Avenue Realty, LLC. HPD has recorded 30 housing violations here, most recently on April 1, 2021. 2 of the 30 most recent violations are still open. City tax records listed 11 rent-stabilized apartments here in 2024.
- HPD violations
- 30
- DOB violations
- 2
- ECB violations
- 9
- HPD complaints
- 1,130
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. Showing up to 50 per agency.
HPD housing violations · 30
- 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 1, 2021
Closed — Violation dismissed - BHazardous
Trace and repair the source and abate the visible mold condition... on the west wall in the kitchen located at bsmt-apt b2 original violation 12900602 issued 07-feb-19 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).
Feb 7, 2019 · Apt B2
Open — First no access to re- inspect violation - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the west wall in the kitchen located at bsmt-apt b2
Feb 7, 2019 · Apt B2
Closed — Violation dismissed - BHazardous
Remove all obstructions and repair all defects in trap drain at basement
Feb 7, 2019
Closed — Violation dismissed - ANon-hazardous
Properly repair with similar material the broken or defective lower wood cabinets in the kitchen located at bsmt-apt b2
Feb 7, 2019 · Apt B2
Closed — Violation dismissed - ANon-hazardous
Trace and repair the source and abate the visible mold condition... on the west wall in the kitchen located at bsmt-apt b2
Feb 7, 2019 · Apt B2
Closed — Violation closed - ANon-hazardous
Refit door in the entrance located at apt 2e, 2nd story, 3rd apartment from north at east
Aug 20, 2018 · Apt 2E
Closed — Violation dismissed - BHazardous
Repair or replace the smoke detector not installed within 4 to 12 inches of ceiling located at apt 2e, 2nd story, apartment at east
Jul 9, 2018 · Apt 2E
Closed — Violation dismissed - BHazardous
Repair or replace the carbon monoxide detecting device(s). not installed within 15 feet of sleeping area two required located at apt 2e, 2nd story, apartment at east
Jul 9, 2018 · Apt 2E
Closed — Violation dismissed - BHazardous
Replace or repair the self-closing doors that is missing or defective .. in the entrance located at apt 2e, 2nd story, 1st apartment from north at east
Jul 9, 2018 · Apt 2E
Closed — Violation dismissed
Show 20 more ↓
- ANon-hazardous
Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story
Jul 9, 2018
Open — Nov sent out - BHazardous
Remove all encumbrances consisting of household items at public hall, 1st story
Jul 9, 2018
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective wood casing at window in the bathroom located at apt 2e, 2nd story, 1st apartment from north at east
Jul 9, 2018 · Apt 2E
Closed — Violation dismissed - BHazardous
Provide adequate lighting at or near the outside of the front entranceway of the building and keep same burning from sunset every day to sunrise on the day following minimum required 100 watts (no light fixture present) at front areaway
Mar 3, 2016
Closed — Violation dismissed - BHazardous
Properly repair the source and abate the evidence of a water leak at ceiling in the kitchen located at apt 1e, 1st story, 1st apartment from north at east
Oct 16, 2013 · Apt 1E
Closed — Violation dismissed - BHazardous
Properly repair the source and abate the evidence of a water leak at ceiling in the kitchen located at apt 1e, 1st story, 1st apartment from north at east
Oct 16, 2013 · Apt 1E
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department ceiling and north wall in the bathroom located at apt 1e, 1st story, 1st apartment from north at east
Oct 16, 2013 · Apt 1E
Closed — Violation dismissed - BHazardous
Properly repair the source and abate the evidence of a water leak at celing and north wall in the bathroom located at apt 1e, 1st story, 1st apartment from north at east
Oct 16, 2013 · Apt 1E
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department north wall in the bathroom located at apt 1e, 1st story, 1st apartment from north at east
Oct 9, 2013 · Apt 1E
Closed — Violation dismissed - ANon-hazardous
Properly repair the source and abate the evidence of a water leak north wall in the bathroom located at apt 1e, 1st story, 1st apartment from north at east
Oct 9, 2013 · Apt 1E
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color ceiling and south wall in the kitchen located at apt 1e, 1st story, 1st apartment from north at east
Oct 9, 2013 · Apt 1E
Closed — Violation dismissed - BHazardous
Properly repair the source and abate the evidence of a water leak at ceiling in the kitchen located at apt 1e, 1st story, 1st apartment from north at east
Oct 9, 2013 · Apt 1E
Closed — Violation dismissed - CImmediately hazardous
Repair the broken or defective plastered surfaces and paint in a uniform color unkeyed plaster at ceiling in the private hallway located at apt 4r, 4th story, 1st apartment from west at north
Oct 4, 2012 · Apt 4R
Closed — Violation dismissed - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 4w, 4th story, 3rd apartment from south at west
Oct 27, 2011 · Apt 4W
Closed — Violation closed - BHazardous
Repair or replace the smoke detector missing in the entire apartment located at apt 4w, 4th story, 3rd apartment from south at west
Oct 27, 2011 · Apt 4W
Closed — Violation closed - BHazardous
Repair the leaky and/or defective faucets at the sink in the kitchen located at apt 4r, 4th story, 1st apartment from west at north
Apr 20, 2011 · Apt 4R
Closed — Violation closed - BHazardous
Repair the leaky and/or defective faucets at the cold water supply at the wash basin in the bathroom located at apt 4r, 4th story, 1st apartment from west at north
Apr 20, 2011 · Apt 4R
Closed — Violation closed - BHazardous
Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt 2w, 2nd story, 1st apartment from south at west
Apr 10, 2011 · Apt 2W
Closed — Violation closed - CImmediately hazardous
Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) baseboard at east wall, 1st door frame from north at east wall, 1st window frame from south at west wall, 2nd window frame from south at west wall in the 3rd room from north located at apt 4w, 4th story, 1st apartment from south at west
Feb 28, 2007 · Apt 4W
Closed — Violation closed - CImmediately hazardous
Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st door frame from west at north wall in the 5th room from north located at apt 4w, 4th story, 1st apartment from south at west
Feb 28, 2007 · Apt 4W
Closed — Violation closed
DOB building violations · 2
- 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
Mar 16, 1999
Dob violation - dismissed
ECB violations · 9
- Class - 2
B254,15,16,32a,40,50,50a. 50- fresh air 1/2 blocked w/debris. 50a- poor flame on gas power burner.
May 11, 2012
Resolve - Class - 1
Failure to maintain building in a code-complaint manner,no fire stopping as per bc 712.3;27-345. noted: at the cellar,boiler room fire rated enclosure is not complete. open at entire ceiling to wall joint. also
Aug 17, 2011 · Penalty $1,000
Resolve - Hazardous
Work w/o permit work noted:ground flr 3rd exposure exterior wall,removed window & part of wall & installed exterior door w/ lintel.remedy:obtain permit or restore to prior legal condition.
May 18, 2007
Resolve - Non-hazardous
B4a,16,48a,b,50,50a,b,c.50-fresh air to boiler room dirty & ( )up.50a-holes in ceiling & walls.50b-covers missing on containers.50c-backflow preventor to small needs"909"
May 2, 2007
Resolve - Non-hazardous
B4a,40,32a,25a,b,48a,b,40a,b,c,d. (50a)no rating plate on boiler. (50b)replace go back flow preventing w/ 009 watts. (50c)holes in boiler rmwalls & ceiling. (50d)controll cover missing.
Apr 18, 2007
Resolve - Non-hazardous
B4a/24b/44a/50a/16/40/45b/50. 24b- remote switch missing outside door 45b- pipes leaking on h.w. storage. 50- no pig tails on controls. 50a-backflow no piped down.
Dec 19, 2005
Resolve - Non-hazardous
Plumbing work w/o a permit. hazardous. location:kitchen area residential apartments new gas risers have been installed. walls still open in apts. 2-e and 3-e. as per dob record pl permit was never issued to any
May 27, 2005
Resolve - Non-hazardous
Work without a permit. noted:work in progress no permit on plans on job. renovation work being done in basement apt. approx. 18 percent of work done. remedy:obtain work ermit from dept of bldg. 2provide approve
Jan 28, 1999 · Penalty $2,500
Resolve - Non-hazardous
Protective guards noted rear parapet wall at roof lesss than required hight of 2ft 6 inches also aportion of west rear parapet wall remedy conform to bldgs requirement
Oct 7, 1996
Resolve
Complaints
- Water leak
Heavy flow
Jan 22, 2019 · Apt B2
Close - Heat/hot water
Apartment only
Jan 22, 2019 · Apt B2
Close - Unsanitary condition
Mold
Jan 22, 2019 · Apt B2
Close - Unsanitary condition
Mold
Oct 23, 2018 · Apt BSMT2
Close - Unsanitary condition
Mold
Sep 24, 2018 · Apt B2
Close - Unsanitary condition
Mold
Aug 17, 2018 · Apt B2
Close - Door/window
Door
Aug 15, 2018 · Apt 2E
Close - Door/window
Window frame
Aug 15, 2018 · Apt 2E
Close - Unsanitary condition
Mold
Jun 30, 2018 · Apt 2E
Close - Heat/hot water
Entire building
Sep 5, 2017 · Apt 2RW
Close
Show 40 more ↓
- Heat/hot water
Entire building
May 1, 2017 · Apt 1E
Close - Heat/hot water
Entire building
Feb 19, 2017 · Apt 1E
Close - Heat/hot water
Entire building
May 9, 2016 · Apt 1W
Close - Heat/hot water
Entire building
Apr 9, 2014 · Apt BLDG
Close - Heating
Heat related
Mar 4, 2014 · Apt 1E
Close - Heating
Heat related
Dec 11, 2013 · Apt 4E
Close - Electric
Electric-supply
Dec 4, 2013 · Apt 4W
Close - Electric
Wiring
Dec 4, 2013 · Apt 4W
Close - Plumbing
Bathtub/shower
Dec 4, 2013 · Apt 4W
Close - General
Mold
Dec 4, 2013 · Apt 4W
Close - General
Mold
Dec 4, 2013 · Apt 4W
Close - Plumbing
Water-leaks
Dec 4, 2013 · Apt 4W
Close - Paint/plaster
Ceiling
Oct 3, 2013 · Apt 1E
Close - Plumbing
Water-leaks
Oct 3, 2013 · Apt 1E
Close - Plumbing
Water-leaks
Oct 3, 2013 · Apt 1E
Close - Paint/plaster
Wall
Oct 3, 2013 · Apt 1E
Close - Paint/plaster
Wall
Oct 3, 2013 · Apt 1E
Close - Paint/plaster
Wall
Oct 3, 2013 · Apt 1E
Close - Paint/plaster
Wall
Oct 3, 2013 · Apt 1E
Close - Plumbing
Water-leaks
Oct 3, 2013 · Apt 1E
Close - Plumbing
Water-leaks
Oct 3, 2013 · Apt 1E
Close - Heating
Heat related
Dec 19, 2012 · Apt NA
Close - Heating
Heat related
Apr 28, 2012 · Apt BLDG
Close - Heating
Heat related
Apr 24, 2012 · Apt BLDG
Close - Heating
Heat related
Apr 23, 2012 · Apt 3R
Close - Heating
Heat related
Apr 11, 2012 · Apt BLDG
Close - Heating
Heat related
Apr 6, 2012 · Apt 1W
Close - Heating
Heat-plant
Apr 3, 2012 · Apt BLDG
Close - Heating
Heat related
Apr 3, 2012 · Apt BLDG
Close - Heating
Heat related
Apr 3, 2012 · Apt BLDG
Close - Heating
Heat related
Apr 2, 2012 · Apt BLDG
Close - Heating
Heat related
Apr 1, 2012 · Apt BLDG
Close - Heating
Heat related
Mar 30, 2012 · Apt 4R
Close - Heating
Heat related
Mar 30, 2012 · Apt 4R
Close - Heating
Heat related
Mar 29, 2012 · Apt 4R
Close - Heating
Heat related
Mar 28, 2012 · Apt BLDG
Close - Heating
Heat related
Mar 28, 2012 · Apt BLDG
Close - Heating
Heat related
Mar 28, 2012 · Apt BLDG
Close - Heating
Heat related
Mar 27, 2012 · Apt 2E
Close - Heating
Heat related
Mar 26, 2012 · Apt 2E
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1910
- Floors
- 5
- Residential units
- 17
- Building area
- 9,145 ft²
- Lot area
- 2,510 ft²
- Zoning
- R8
- Community board
- 104
- Council district
- 3
- Block / lot
- 1053 / 22
- Assessed value
- $937,800
- Landmark / historic district
- No
HPD registration #129435, last renewed Sep 11, 2025.
Questions about 421 West 43 Street
Who owns 421 West 43 Street?
The owner of record in NYC Department of City Planning PLUTO data is Ninth Avenue Realty, LLC.
Does 421 West 43 Street have violations?
Yes. NYC HPD has recorded 30 housing violations at this property.
Is 421 West 43 Street rent stabilized?
NYC Department of Finance tax bills listed 11 rent-stabilized units here in 2024 (about 65% of its 17 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 421 West 43 Street built?
City records list 1910 as the year it was built.
How many apartments are in 421 West 43 Street?
It has 17 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.