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621 9 Avenue

Manhattan, NY 10036BBL 1-01053-0036Map

Owner of record: Ninth Avenue Realty, LLC

621 9 Avenue is a walk-up apartment building built in 1910 in Manhattan, 10036. It has 15 residential units across 6 floors. The owner of record is Ninth Avenue Realty, LLC. HPD has recorded 16 housing violations here, most recently on April 1, 2021. 3 of the 16 most recent violations are still open. City tax records listed 15 rent-stabilized apartments here in 2024.

HPD violations
16
DOB violations
8
ECB violations
8
HPD complaints
179

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Apr 1, 2021

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

Rent-stabilized units in 2024
15
About 100% of the building's 15 apartments

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.

Stabilized units by tax-bill year

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 · 16

  • A

    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
  • A

    Post sign on wall of entrance story bearing name, address including apartment number if any, and telephone number of superintendent, janitor or housekeeper. at public hall, 1st story

    Aug 21, 2018

    Closed — Violation dismissed
  • A

    Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box sign missing at public hall, 1st story

    Aug 21, 2018

    Closed — Violation dismissed
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling. at public hall, 1st story

    Aug 21, 2018

    Closed — Violation dismissed
  • A

    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 at public hall, 1st story

    Aug 21, 2018

    Closed — Violation dismissed
  • C

    Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system sign missing at public hall, 1st story

    Aug 21, 2018

    Closed — Violation dismissed
  • C

    Provide ready access to buildings heating system , boiler room is locked.

    Jan 20, 2012

    Closed — Violation dismissed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt 5a, 5th story, 1st apartment from south at west

    Jan 20, 2012 · Apt 5A

    Closed — Violation dismissed
  • B

    Fire escape defective. adjust the dropladder so that it will slide easily in the guide rods at front west , 2nd story

    Jun 9, 2010

    Open — Nov sent out
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes flower pot front , 4th story

    Jun 9, 2010

    Open — Nov sent out
Show 6 more ↓
  • B

    Properly secure the loose marble tread 16th up at public hall stairs, 4th story

    Jun 9, 2010

    Open — Nov sent out
  • B

    Repair the broken or defective connection turn- off valve, at radiator in the 2nd room from east located at apt 4b, 4th story, apartment at west

    Dec 27, 2003 · Apt 4B

    Closed — Violation dismissed
  • B

    Repair the broken or defective connection turn-off vavle, at radiator in the 1st room from east located at apt 4b, 4th story, apartment at west

    Dec 27, 2003 · Apt 4B

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 4b, 4th story, apartment at west

    Dec 27, 2003 · Apt 4B

    Closed — Violation dismissed
  • B

    Properly repair the broken or defective and make operable the upper and lower sashs in the kitchen located at apt 3c, 3rd story, 1st apartment from north at east

    May 4, 2001 · Apt 3C

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector missing [brown] in the entire apartment located at apt 3c, 3rd story, 1st apartment from north at east

    May 4, 2001 · Apt 3C

    Closed — Violation dismissed

DOB building violations · 8

  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2013 inspection report

    Mar 3, 2015

    Dob violation - dismissed
  • Construction other optional

    C-construction other optional

    Feb 9, 2008

    Dob violation - dismissed
  • Construction other optional

    C-construction other optional

    Feb 9, 2008

    Vw*-violation - work w/o permit dismissed
  • Construction other optional

    C-construction other optional

    Feb 2, 2008

    Vw*-violation - work w/o permit dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 16, 1999

    Dob violation - dismissed
  • Zoning none

    Z-zoning none

    Aug 13, 1991

    Dob violation - dismissed
  • Construction other optional

    C-construction other optional

    Aug 13, 1991

    Dob violation - dismissed
  • Electric signs none

    Es-electric signs none

    Mar 2, 1989

    Dob violation - dismissed

ECB violations · 8

  • Class - 1

    Occupancy contrary to that allowed by cert of occupancy or building dept records. restaurant "mama mia 44sw" is utilizing cellar as food prep area and food storage area (walk in freezer present) as accessory to

    Jul 13, 2023 · Penalty $2,500

    Resolve
  • Class - 2

    Work w/o a permit. not at front of above premises (44 st side) illuminated sign "gello nero restaurant" was installed w/o any permits. remedy: obtain permit if feasible or restore premises to prior legal condit

    Feb 15, 2014 · Penalty $800

    Resolve
  • Non-hazardous

    Work without a permit: work noted in apt 4a, 4th sty, west - 1 apt. installed mental frame partitions at ceilings to lower ceiling's heights in room northeast-1 and northwest-1. note: 99% completed work.

    Apr 21, 2006 · Penalty $500

    Resolve
  • Non-hazardous

    Gas vent height & locations. noted: the restaurant cooking gas stove terminated asnd venting cooking and at 44 st wall below the 1st fl. window contrary to bldg code sited.remedy: extend gas vent to 2' above t

    Dec 15, 2000

    Resolve
  • Non-hazardous

    Work without a permit: work noted: gut rehab by removing wood lath and gypsum plaster walls ,ceiling,kitchen and bath.constructed newkitchen bath rm with fixtures cabinet .replace wall with sheetrock ,ceiling w

    May 15, 2000

    Resolve
  • Non-hazardous

    Gas vent height and location.noted:the metal gas vent that vent cooking and grease odor terminated at the lower roof parpet causing cooking order to enter the 2nd fl. apt. window. contrary to bldg. code which

    Apr 24, 2000 · Penalty $2,500

    Resolve
  • Non-hazardous

    Failure to obtain equipment use permit a/c units have been placed at roof. secure an equipment use permit from this department.

    Dec 23, 1998 · Penalty $300

    Resolve
  • Non-hazardous

    Work without a permit work noted having installed a pizza oven at 1 fl no mechanical means of exhaust provided for bathroom no veating provide for range hood and filters missing over cooking grill ceiling hung

    Mar 23, 1989 · Penalty $550

    Resolve

Complaints

  • Unsanitary condition

    Pests

    Oct 23, 2025 · Apt 3C

    Close
  • Unsanitary condition

    Sewage

    Sep 3, 2024 · Apt 4C

    Close
  • Heat/hot water

    Entire building

    Mar 19, 2019 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 18, 2019 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 18, 2019 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Aug 20, 2018 · Apt 4C

    Close
  • Heat/hot water

    Entire building

    Aug 19, 2018 · Apt 6C

    Close
  • Heat/hot water

    Entire building

    Aug 19, 2018 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Aug 19, 2018 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Oct 29, 2016 · Apt APT6B

    Close
Show 40 more ↓
  • Heat/hot water

    Entire building

    Oct 13, 2016 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 12, 2016 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 12, 2016 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 12, 2016 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 12, 2016 · Apt 6C

    Close
  • Heat/hot water

    Entire building

    Oct 2, 2016 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 2, 2016 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 2, 2016 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Mar 18, 2015 · Apt 6B

    Close
  • Heat/hot water

    Apartment only

    Mar 16, 2015 · Apt 6B

    Close
  • Heat/hot water

    Apartment only

    Mar 14, 2015 · Apt 6B

    Close
  • Heat/hot water

    Apartment only

    Mar 7, 2015 · Apt 6B

    Close
  • Heat/hot water

    Apartment only

    Feb 20, 2015 · Apt 6B

    Close
  • Heat/hot water

    Entire building

    Feb 13, 2015 · Apt 3C

    Close
  • Heat/hot water

    Apartment only

    Sep 17, 2014 · Apt 5B

    Close
  • Heat/hot water

    Entire building

    Sep 17, 2014 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Sep 17, 2014 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Sep 16, 2014 · Apt 5B

    Close
  • Plumbing

    Water supply

    Mar 7, 2014 · Apt 6C

    Close
  • Heating

    Heat related

    Mar 4, 2014 · Apt NA

    Close
  • Heating

    Heat related

    Jan 26, 2014 · Apt NA

    Close
  • Heating

    Heat related

    Oct 14, 2013 · Apt 5B

    Close
  • Heating

    Heat related

    Sep 10, 2012 · Apt 5B

    Close
  • Heating

    Heat related

    Sep 9, 2012 · Apt 3B

    Close
  • Heating

    Heat related

    Jul 9, 2012 · Apt 5B

    Close
  • Heating

    Heat related

    Jul 8, 2012 · Apt NA

    Close
  • Heating

    Heat related

    Jan 19, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Jan 16, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Jan 15, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Jan 11, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Jan 6, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Jan 5, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Jan 4, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Jan 4, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Jan 3, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Jan 3, 2012 · Apt 5A

    Close
  • Heating

    Heat related

    Mar 11, 2011 · Apt 6C

    Close
  • Heating

    Heat related

    Mar 11, 2011 · Apt 6C

    Close
  • Heating

    Heat related

    Mar 11, 2011 · Apt 4C

    Close
  • Heating

    Heat related

    Jan 14, 2011 · Apt 5A

    Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Walk-up apartment building (C7)
Year built
1910
Floors
6
Residential units
15
Building area
13,805 ft²
Lot area
2,508 ft²
Zoning
R8
Community board
104
Council district
3
Block / lot
1053 / 36
Assessed value
$3,161,700
Landmark / historic district
No

HPD registration #107018, last renewed Sep 13, 2025.

Questions about 621 9 Avenue

Who owns 621 9 Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Ninth Avenue Realty, LLC.

Does 621 9 Avenue have violations?

Yes. NYC HPD has recorded 16 housing violations at this property.

Is 621 9 Avenue rent stabilized?

NYC Department of Finance tax bills listed 15 rent-stabilized units here in 2024 (about 100% of its 15 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 621 9 Avenue built?

City records list 1910 as the year it was built.

How many apartments are in 621 9 Avenue?

It has 15 residential units and 19 units in total.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.