807 9 Avenue
Manhattan, NY 10019BBL 1-01063-0032Map
Owner of record: Ora,llc
807 9 Avenue is a walk-up apartment building built in 1901 in Manhattan, 10019. It has 12 residential units across 5 floors. The owner of record is Ora,llc. HPD has recorded 80 housing violations here, most recently on October 8, 2025. 16 of the 50 most recent violations are still open. City tax records listed 7 rent-stabilized apartments here in 2024.
- HPD violations
- 80
- DOB violations
- 14
- ECB violations
- 21
- HPD complaints
- 149
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 · 80
- CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 2a, 2nd story, 1st apartment from west at north
Oct 8, 2025 · Apt 2A
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 2a, 2nd story, 1st apartment from west at north
Oct 8, 2025 · Apt 2A
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at bulkhead door to roof , 5th story
Feb 22, 2024
Closed — Violation closed - BHazardous
Fire egress defective. restore egress by removing locking device and arrange to open readily the gate in fence at lot line at south, rear yard
Feb 28, 2020
Open — Nov sent out - BHazardous
§ 53,187,231 m/d law & dept rules & reg. provide means of egress from yard to street by fireproof passageway for which application must be filed for approval,or by unlocked door or gate in fence to adjoining premises with consent of adjacent owner.
Feb 28, 2020
Open — Nov sent out - BHazardous
M/d law abate the nuisance consisting of plywood platform errected throughout roof
Feb 18, 2020
Open — Nov sent out - BHazardous
Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the rear yard
Feb 18, 2020
Closed — Violation dismissed - CImmediately hazardous
Fire escape defective. adjust the dropladder so that it will slide easily in the guide rods at rear yard
Feb 18, 2020
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 of 100 watts as required (light fixtures present) rear yard
Feb 18, 2020
Closed — Violation dismissed - CImmediately hazardous
Provide fire guard throughout entire building
Feb 18, 2020
Closed — Violation closed
Show 40 more ↓
- CImmediately hazardous
Fire escape defective. properly secure tread # 1 from bottom at fire escape, 4th story, section ''bldg front''
Mar 30, 2018
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). broken/defective located at apt 2a, 2nd story, 1st apartment from west at north
Feb 7, 2018 · Apt 2A
Closed — Violation closed - BHazardous
Repair or replace the smoke detector broken/defective located at apt 2a, 2nd story, 1st apartment from west at north
Feb 7, 2018 · Apt 2A
Closed — Violation closed - CImmediately hazardous
Provide an adequate supply of heat for the apartment in the entire apartment located at apt 2a, 2nd story, 1st apartment from west at north
Dec 15, 2017 · Apt 2A
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2a, 2nd story, 1st apartment from west at north
Dec 15, 2017 · Apt 2A
Closed — Violation dismissed - 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, 1st story
Dec 15, 2017
Closed — Violation dismissed - ANon-hazardous
Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd., 1st story
Dec 15, 2017
Closed — Violation dismissed - ANon-hazardous
Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box sign missing , 1st story
Dec 15, 2017
Closed — Violation dismissed - ANon-hazardous
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. , 1st story
Dec 15, 2017
Closed — Violation dismissed - CImmediately hazardous
Provide ready access to buildings heating system door to boiler room locked , 1st story
Dec 15, 2017
Closed — Violation dismissed - CImmediately hazardous
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 at or near mail boxes , 1st story
Dec 15, 2017
Closed — Violation dismissed - 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 from north at east wall, 1st door frame from north at east wall, east wall in the bathroom located at apt 3b, 3rd story, 1st apartment from east at south
Jan 19, 2013 · Apt 3B
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) east wall in the kitchen located at apt 3b, 3rd story, 1st apartment from east at south
Jan 19, 2013 · Apt 3B
Closed — Violation closed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the foyer , the 3rd room from east located at apt 3b, 3rd story, 1st apartment from east at south
Jan 19, 2013 · Apt 3B
Open — Nov sent out - 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) ceiling, north wall, south wall, west wall in the 2nd room from east located at apt 3b, 3rd story, 1st apartment from east at south
Jan 19, 2013 · Apt 3B
Closed — Violation closed - ANon-hazardous
Paint metal in accordance with dept. regulation the 2nd riser from west at north wall, 1st riser from west at north wall in the kitchen located at apt 3b, 3rd story, 1st apartment from east at south
Jan 19, 2013 · Apt 3B
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling, west wall, south wall, north wall in the kitchen located at apt 3b, 3rd story, 1st apartment from east at south
Jan 19, 2013 · Apt 3B
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the east wall in the 2nd room from east located at apt 3b, 3rd story, 1st apartment from east at south
Jan 19, 2013 · Apt 3B
Open — Nov sent out - ANon-hazardous
Paint metal in accordance with dept. regulation the 1st riser from north at east wall in the bathroom located at apt 3b, 3rd story, 1st apartment from east at south
Jan 19, 2013 · Apt 3B
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the south wall, north wall, west wall in the bathroom located at apt 3b, 3rd story, 1st apartment from east at south
Jan 19, 2013 · Apt 3B
Open — Nov sent out - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the north wall, east wall, west wall in the bathroom located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Open — Nov sent out - ANon-hazardous
Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the kitchen , the 2nd room from east located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Open — Nov sent out - 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) ceiling, 1st door from north at east wall, 1st door frame from north at east wall, north wall, south wall, east wall, west wall, 1st window frame from south at west wall, 2nd window frame from south at west wall in the 3rd room from east located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
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 from north at east wall, 1st door frame from north at east wall in the bathroom located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Closed — Violation closed - ANon-hazardous
§ 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration drop ceiling in the bathroom located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Open — Nov sent out - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the 1st closet from east at south wall door frame, 1st closet from east at south wall door in the foyer located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Open — Nov sent out - ANon-hazardous
Paint metal in accordance with dept. regulation the 1st riser from south at west wall in the 3rd room from east located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Open — Nov sent out - CImmediately hazardous
Install the missing or repair/replace the defective window guard(s) in accordance with the specifications of the new york city health code section 24 rcny chapter 12. wg to install = 2; wg to replace = 0; wg to repair = 0; east 2 = 1 kitchen = 1 in the entire apartment located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Open — Nov sent out - BHazardous
Repair or replace the smoke detector defective in the entire apartment located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Open — Nov sent out - 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 window frame from north at east wall in the foyer located at apt 3b, 3rd story, 1st apartment from east at south
Oct 26, 2012 · Apt 3B
Closed — Violation closed - CImmediately hazardous
Remove the illegal fastening a key operated lock on door to room with fire escape in the 1st room from east located at apt 3a, 3rd story, apartment at east
Apr 27, 2012 · Apt 3A
Closed — Violation closed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department ceiling in the entire apartment located at apt 4b, 4th story, 1st apartment from south at west
Jan 5, 2011 · Apt 4B
Closed — Violation closed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department walls in the entire apartment located at apt 4b, 4th story, 1st apartment from south at west
Jan 5, 2011 · Apt 4B
Closed — Violation closed - BHazardous
Arrange and make self-closing the doors .. in the entrance located at apt 4b, 4th story, 1st apartment from south at west
Jan 5, 2011 · Apt 4B
Closed — Violation closed - BHazardous
Remove the illegal fastening key operated lock at door leading to the fire escape in the 1st room from north located at apt 4b, 4th story, 1st apartment from south at west
Jan 5, 2011 · Apt 4B
Closed — Violation closed - BHazardous
Repair or replace the smoke detector missing in the entire apartment located at apt 5a, 5th story, 1st apartment from north at east
Dec 20, 2010 · Apt 5A
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 5a, 5th story, 1st apartment from north at east
Dec 20, 2010 · Apt 5A
Closed — Violation closed - BHazardous
Repair or replace the smoke detector defective in the entire apartment located at apt 4b, 4th story, 1st apartment from east at south
Dec 13, 2010 · Apt 4B
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 4b, 4th story, 1st apartment from east at south
Dec 13, 2010 · Apt 4B
Closed — Violation closed
DOB building violations · 14
- Low pressure boiler boiler required
Violation issued-failure to file 2020 external low pressure inspection
Jun 30, 2023
Dob violation - dismissed - Low pressure boiler boiler required
Violation issued-failure to file 2018 external low pressure inspection
Jun 20, 2023
Dob violation - dismissed - Low pressure boiler boiler required
Violation issued-failure to file 2019 external low pressure inspection
Jun 20, 2023
Dob violation - dismissed - Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Dec 23, 2020
Dob violation - dismissed - Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Sep 2, 2020
Dob violation - active - Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Sep 2, 2020
Dob violation - active - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2010 inspection report
Dec 13, 2011
Dob violation - dismissed - Construction other optional
C-construction other optional
Jan 5, 2002
Dob violation - active - Construction other optional
C-construction other optional
Jan 5, 2002
Dob violation - active - Construction other optional
C-construction other optional
Jan 5, 2002
Dob violation - active
Show 4 more ↓
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
May 4, 1998
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 18, 1994
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 18, 1993
Dob violation - dismissed
ECB violations · 21
- Class - 2
Failure to comply with the commissioner's order contained in summons/violation#35502893y issued on 9/22/2020 and to file a certificate of correction pursuant to 28-201.1 and 1rcny 102-01.remedy:comply with comm
Mar 31, 2021
Resolve - Class - 2
Failure to comply w/the comm's order contained in summons/vio#35502893y issued on 09/22/20 & to file a cert of correction pursuant to 28-201.1 & 1rcny 102-01. remedy: comply w/comm's order &/or file a cert of c
Feb 10, 2021
Resolve - Class - 2
Failure to comply w/the commissioner's order contained in summons/violation #35502893y issued on 09/22/20 & to file a certificate of correction pursuant to 28-201.1 1rcny 102-01.operation of place of assembly
Nov 30, 2020
Resolve - Class - 1
Operation of a place of assembly without a current certificate of operation.note at time of inspection a drinking and eating establishment on first floor operating without a valid certificate of public assembly
Sep 22, 2020
Resolve - Class - 2
Failure to comply with the commissoner's order contained in summons/violation#39012791j issued on 2/18/20 and to file a certificate of correction pursuant to 28-201.1 and 1rcny 102.1 failure to maintain buildin
Sep 22, 2020
Resolve - Class - 1
Operating a place of assembly without a valid certificate of operations. noted: an eating and drinking establishment on first floor set up for more then 75 people operating without a valid certicicate of public
Feb 18, 2020 · Penalty $2,500
Active - Class - 1
Failure to maintain building in code compliant matter. lack of required number of means of egress. secondary means of egress blocked by adjacent building and affecting 8 rear apartments and eating and drinking
Feb 18, 2020 · Penalty $2,500
Active - Class - 2
Work does not conform to approved construction documents. eating and drinking establishment on first floor, public assembly plan is not conforming to approved document job # 120606200. false exit in rear of est
Feb 18, 2020 · Penalty $1,250
Active - Class - 1
Failure to maintain blvd in code compliant manner.lack of automatic sprinkler system as per bc903.2 & 27-954 for transient use @apt 4a previous violation #35438212x.rem:discontinue illegal occupancy
Feb 4, 2020 · Penalty $3,125
Resolve - Class - 1
907.2.8 failure to provide fire alarm for transient use @apt 4a previous #35438213h.remedy:discontinue illegal occupancy
Feb 4, 2020 · Penalty $6,250
Resolve
Show 11 more ↓
- Class - 1
Permanent dwelling used/converted for other than permanent residentialpurposes cofo#44447 indicates the bldg to be a multiple dwelling class"a"now @apt 4a,having 9 guest staying as transient short term is illeg
Feb 4, 2020 · Penalty $23,000
Resolve - Class - 1
Failure to maintain bldg in code compliant manner.lack of required #ofmeans of egress for every floor as per bc 1018.1(2008 code);27-366,bc 1021.1(2014 code)for transient use at apt 4a previous vio #35438211y
Feb 4, 2020 · Penalty $6,250
Resolve - Class - 2
Permanent dwelling used/converted for other than permanent residentialpurposes. c of o 4447 indicates building to be legally approved as class "a" multiple dwelling.now apt #4 a at 4th floor is used/convert
Jul 29, 2019 · Penalty $1,250
Resolve - Class - 1
Failure to maintain building in code compliant manner. lack of number of means of egress for every floor as per bc102.1 and 27-366 for transient use at apt # 4a. remedy: discontinue illegal use.
Jul 29, 2019 · Penalty $2,500
Resolve - Class - 1
907.2.8 failure to provide fire alarm system for transient use at apt #4a. remedy: discontinue illegal use.
Jul 29, 2019 · Penalty $2,500
Resolve - Class - 1
Failure to maintain building in code compliant manner.lack of an automatic sprinkler system as per bc903.2 and 27-954 for transient useat apt 4a . remedy: disontinue illegal use.
Jul 29, 2019 · Penalty $1,250
Resolve - Class - 2
Failure to maintain exterior bldg wall noted vertical crack on exp#2 side b/t original bldg 9 extension approx 1-2 inches in width from grade to roof of extension also several stop cracks in cmu through out ext
Sep 2, 2008 · Penalty $500
Resolve - Non-hazardous
Failure to maintain defects noted: at rear of bldg extension exterior wall exposure # 2 has a crack (diagonal) from ground fl to roof extension seperated from bldg approx. 2" remedy: repair defects provide
Dec 19, 2007 · Penalty $800
Resolve - Non-hazardous
Operation of a place of assembly (pa) without p.a. permit. remedy; obtain p.a.permit.
Apr 24, 2002 · Penalty $500
Resolve - Non-hazardous
Failure to provide panic hardware in place of assembly. rear egress door has no panic hardware, has heavy metal cross bar which is very difficult to remove. this is a high hazard violation. remedy: provide pani
Apr 24, 2002 · Penalty $350
Resolve - Non-hazardous
Place of assembly exit lighting does not meet building code standards. unit at maint entrance inoperative. 2) unit at rear door inoperative and not of approved type 3) location has a gross lack of exit signage
Apr 24, 2002 · Penalty $350
Resolve
Complaints
- Water leak
Heavy flow
Oct 5, 2026 · Apt 2B
Close - Heat/hot water
Apartment only
Feb 11, 2026 · Apt 2B
Close - Paint/plaster
Ceiling
Nov 21, 2025 · Apt 3C
Close - Unsanitary condition
Mold
Nov 21, 2025 · Apt 3C
Close - Unsanitary condition
Pests
Oct 6, 2025 · Apt 2A
Close - Unsanitary condition
Pests
Oct 6, 2025 · Apt 2B
Close - Unsanitary condition
Pests
Sep 25, 2025 · Apt 2A
Close - Unsanitary condition
Pests
Sep 25, 2025 · Apt 2A
Close - Heat/hot water
Entire building
Feb 20, 2024 · Apt 5A
Close - Electric
Power outage
Feb 20, 2024 · Apt 5A
Close
Show 40 more ↓
- Unsanitary condition
Mold
Feb 19, 2024 · Apt 5A
Close - Unsanitary condition
Pests
Feb 19, 2024 · Apt 5A
Close - Unsanitary condition
Pests
Feb 19, 2024 · Apt 5A
Close - Unsanitary condition
Pests
Oct 6, 2022 · Apt 2S
Close - Safety
Fire escape
Feb 28, 2020 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 30, 2019 · Apt 3C
Close - Heat/hot water
Apartment only
Feb 3, 2018 · Apt 2A
Close - Heat/hot water
Entire building
Dec 15, 2017 · Apt BLDG
Close - Heat/hot water
Apartment only
Dec 15, 2017 · Apt 2A
Close - Heat/hot water
Entire building
Apr 4, 2016 · Apt 4C
Close - Heat/hot water
Entire building
Mar 15, 2016 · Apt 1R
Close - General
Locks
Jan 7, 2014 · Apt 2A
Close - Paint/plaster
Wall
Jan 17, 2013 · Apt 3B
Close - Paint/plaster
Wall
Jan 17, 2013 · Apt 3B
Close - Paint/plaster
Ceiling
Dec 29, 2011 · Apt 4B
Close - Plumbing
Water-leaks
Dec 29, 2011 · Apt 4B
Close - Nonconst
Vermin
Dec 29, 2011 · Apt 4B
Close - Nonconst
Vermin
Dec 29, 2011 · Apt 4B
Close - General
Cabinet
Dec 29, 2011 · Apt 4B
Close - Plumbing
Basin/sink
Dec 29, 2011 · Apt 4B
Close - Plumbing
Basin/sink
Dec 29, 2011 · Apt 4B
Close - Paint/plaster
Wall
Dec 29, 2011 · Apt 4B
Close - Nonconst
Vermin
Dec 29, 2011 · Apt 4B
Close - Heating
Heat related
Dec 12, 2011 · Apt BLDG
Close - Nonconst
Vermin
May 16, 2011 · Apt 4B
Close - Nonconst
Vermin
May 16, 2011 · Apt 4B
Close - Nonconst
Vermin
May 16, 2011 · Apt 4B
Close - Heating
Heat related
Apr 12, 2011 · Apt BLDG
Close - Heating
Heat related
Mar 28, 2011 · Apt BLDG
Close - Heating
Heat related
Mar 17, 2011 · Apt BLDG
Close - Plumbing
Water-leaks
Aug 30, 2010 · Apt 2B
Close - Paint/plaster
Wall
Aug 30, 2010 · Apt 2B
Close - Paint/plaster
Ceiling
Aug 30, 2010 · Apt 2B
Close - Plumbing
Water-leaks
Aug 30, 2010 · Apt 2B
Close - Appliance
Refrigerator
Aug 30, 2010 · Apt 2B
Close - General
Cabinet
Dec 29, 2009 · Apt 2A
Close - General
Mold
Dec 29, 2009 · Apt 2A
Close - Appliance
Electric/gas range
Dec 29, 2009 · Apt 2A
Close - Plumbing
Water-leaks
Dec 29, 2009 · Apt 2A
Close - Appliance
Refrigerator
Dec 29, 2009 · Apt 2A
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C7)
- Year built
- 1901
- Floors
- 5
- Residential units
- 12
- Building area
- 11,150 ft²
- Lot area
- 3,125 ft²
- Zoning
- R8
- Community board
- 104
- Council district
- 3
- Block / lot
- 1063 / 32
- Assessed value
- $1,595,250
- Landmark / historic district
- No
HPD registration #119038, last renewed Sep 5, 2025.
Questions about 807 9 Avenue
Who owns 807 9 Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Ora,llc.
Does 807 9 Avenue have violations?
Yes. NYC HPD has recorded 80 housing violations at this property.
Is 807 9 Avenue rent stabilized?
NYC Department of Finance tax bills listed 7 rent-stabilized units here in 2024 (about 58% of its 12 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 807 9 Avenue built?
City records list 1901 as the year it was built.
How many apartments are in 807 9 Avenue?
It has 12 residential units and 13 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.