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230 East 47 Street

Manhattan, NY 10017BBL 1-01320-0034Map

Owner of record: Ymca Of Greater N Y

230 East 47 Street is a public assembly built in 1931 in Manhattan, 10017. The owner of record is Ymca Of Greater N Y. HPD has recorded 14 housing violations here, most recently on November 12, 2025.

HPD violations
14
DOB violations
59
ECB violations
35
HPD complaints
141

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Nov 12, 2025

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

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 14

  • C

    Replace or repair the self-closing doors that is missing or defective hinges at door in the entrance located at apt 421, 4th story, 1st apartment from west at north

    Nov 12, 2025 · Apt 421

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling and north wall in the 1st room from north located at b-room 421, 4th story, 2nd b-room from west at north

    May 29, 2025 · Apt 421

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches at public hall, 1st story

    Aug 28, 2023

    Closed — Violation dismissed
  • A

    § 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor frame missing at public hall, 1st story

    Nov 23, 2021

    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.

    Nov 23, 2021

    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

    Nov 23, 2021

    Closed — Violation dismissed
  • A

    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.

    Nov 23, 2021

    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

    Nov 23, 2021

    Closed — Violation dismissed
  • 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
  • B

    Provide 3 extra sprinkler heads and suitable wrench for emergency purposes at o.s.y. valve of sprinkler in accordance with the rules and regulations of this department ... at cellar

    Jul 17, 2005

    Closed — Violation closed
Show 4 more ↓
  • B

    D26-10.01, 10.05 adm code arrange and make self-closing the doors 1st 5th & 8th pub hall to fire stairs.

    Jul 27, 1990

    Closed — Violation closed
  • B

    D26-20.08,20.09 adm code provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations defective 9th sty room 939 t heavey.

    Jul 27, 1990

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective plaster wall 8 sty fire stairs.

    Jul 27, 1990

    Closed — Violation closed
  • B

    Properly repair the broken or defective pop up draw washbasin bathroom 10 sty southeast room 1002.

    Jul 27, 1990

    Closed — Violation closed

DOB building violations · 59

  • No report and / or late filing (facade) facade required

    Failed to file fisp cycle 9b technical report by 2/21/2023

    Feb 22, 2023

    Dob violation - dismissed
  • Elevator affirmation of correction elevatorrequired

    Vio issued to elevator - fail to correct defects on 2017 cat 1 insp/tst tst

    Sep 6, 2019

    Dob violation - dismissed
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Apr 2, 2019

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Apr 2, 2019

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Apr 2, 2019

    Dob violation - resolved
  • Elevator affirmation of correction elevatorrequired

    Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst

    Jan 26, 2018

    Dob violation - dismissed
  • Elevator affirmation of correction elevatorrequired

    Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst

    Jan 26, 2018

    Dob violation - dismissed
  • Elevator affirmation of correction elevatorrequired

    Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst

    Jan 26, 2018

    Dob violation - dismissed
  • Elevator affirmation of correction elevatorrequired

    Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst

    Jan 26, 2018

    Dob violation - dismissed
  • Elevator annual inspection / test elevatorrequired

    Violation issued to elevator-failure to file category 1 2016 inspection/test

    Sep 15, 2017

    Dob violation - dismissed
Show 40 more ↓
  • Elevator annual inspection / test elevatorrequired

    Violation issued to elevator-failure to file category 1 2016 inspection/test

    Sep 15, 2017

    Dob violation - dismissed
  • Elevator annual inspection / test elevatorrequired

    Violation issued to elevator-failure to file category 1 2016 inspection/test

    Sep 15, 2017

    Dob violation - dismissed
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Dec 12, 2016

    Dob violation - resolved
  • Elevator affirmation of correction elevatorrequired

    Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst

    Nov 14, 2016

    Dob violation - dismissed
  • Elevator affirmation of correction elevatorrequired

    Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst

    Nov 14, 2016

    Dob violation - dismissed
  • Elevator affirmation of correction elevatorrequired

    Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst

    Nov 14, 2016

    Dob violation - dismissed
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Mar 23, 2015

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Mar 23, 2015

    Dob violation - resolved
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jan 14, 2015

    Dob violation - dismissed
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Mar 21, 2014

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Mar 20, 2014

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Mar 20, 2014

    Dob violation - resolved
  • No report and / or late filing (facade) facade required

    Failed to file fisp cycle 7b technical report by 08/21/2012

    Aug 30, 2013

    Dob violation - dismissed
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Feb 13, 2013

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Feb 13, 2013

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Feb 13, 2013

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jul 19, 2011

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jul 19, 2011

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jul 19, 2011

    Dob violation - resolved
  • Elevator annual inspection / test elevatorrequired

    Vcat1-elevator annual inspection / test elevatorrequired

    Oct 8, 2010

    Dob violation - dismissed
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Sep 15, 2010

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Sep 15, 2010

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Sep 15, 2010

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Sep 21, 2009

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    May 23, 2008

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    May 23, 2008

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    May 23, 2008

    Dob violation - resolved
  • Facade facade optional

    Ll1198-local law 11/98 - facade facade optional

    Nov 30, 2007

    Dob violation - dismissed
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jul 23, 2007

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jul 23, 2007

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jul 23, 2007

    Dob violation - resolved
  • Facade facade optional

    Ll11/98-local law 11/98 - facade facade optional

    Nov 24, 2006

    Dob violation - dismissed
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Nov 15, 2004

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Nov 15, 2004

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Nov 15, 2004

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jan 14, 2004

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jan 14, 2004

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jan 14, 2004

    Dob violation - resolved
  • Elevator elevatorrequired

    1p19484

    Apr 15, 2003

    Dob violation - resolved
  • Facade facade required

    L1198-local law 11/98 - facade facade required

    Aug 8, 2002

    Dob violation - dismissed

ECB violations · 35

  • Class - 1

    Failure to install grounding electrode conductor. observed in the main electric rm and main water meter rm no installation of electrode ground rod to main service. electrode rod must be installed as a second me

    Jul 20, 2026 · Penalty $4,800

    Active
  • Class - 1

    Unapproved/unsafe/unsuitable electrical equipment, apparatus, materials, devices, appliances or wiring in use. observed in stairwell the exit signs are not bonded and exposed wires, in the steam rm a extension

    Jul 20, 2026 · Penalty $1,600

    Active
  • Class - 2

    Failure to provide/maintain sufficient access/work space about electrical equipment. observed in the main electrical rm 2 service disconnect sw for gym a/c , pp a/c is inaccessible for emergency and repairs all

    Jul 20, 2026 · Penalty $500

    Active
  • Class - 2

    Electrical work without a permit. observed in the main gas rm one hung electric heater installed with new thermostat, new conduits checked bis / dob now no permit on file. all work must be filed and done by lic

    Jul 20, 2026 · Penalty $1,250

    Active
  • Class - 1

    Atoi observed on floors 4 thru 10 trap wraps missing on lav sinks. in basement sump pump not vented properly using a studor vent which is prohibited in nyc. per pc 102.3 maintenance installations both existing

    Jul 17, 2026 · Penalty $2,500

    Active
  • Class - 2

    Failure to maintain exterior building facade/wall and appurtenances.note at the time of inspection observed at exp1 north elevation:loose mortar joints at 9th floor and cracked decorative stone on 10th floor.re

    Jan 26, 2023 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to maintain building in code-compliant manner. no fire stopping per bc712.3; 27-345. noted: @ electric/gas meter room, penetration at wall to interior room. rem: provide/maintain fire stopping.

    Oct 2, 2018

    Resolve
  • Class - 2

    Failure to file annual certification that cooling tower 1000005192 hasbeen inspected, tested and disinfected and that a maintenance plan has been developed and implemented by november 1, 2016. rem: file annual

    Jun 20, 2017 · Penalty $1,000

    Resolve
  • Class - 2

    Failure to file annual certification that cooling tower 1000005193 hasbeen inspected, tested and disinfected and that a maintenance plan has been developed and implemented by november 1, 2016. rem: file annual

    Jun 20, 2017

    Resolve
  • Class - 2

    Failure to maintain exterior building elev exp1 - 1st flr stone headermissing mortar roof defective chainlink fence, rusing, rails not conn ected to posts- stair a bulkhead missing sealant around door. roof dra

    Oct 15, 2015

    Resolve
Show 25 more ↓
  • Class - 2

    28-317.3 failure to register cooling tower. rmdy:comply w/code

    Sep 21, 2015

    Resolve
  • Class - 1

    3314.10.1 partial stop work order for suspended scaffold. issued pursuant to 28-207.2 & post at premises. scaffold not vertically note : suspended scaffold in connection w/ c=hook have been erected at exp #1 (

    Oct 16, 2014 · Penalty $1,600

    Resolve
  • Class - 2

    Sign. noted : sidewalk shed have been erected at exp #1 ( e 47 st ) under permit # 140223158-01-eq-sh a sidewalk shed information panel not in compliance w/ section. remedy: comply w/ code

    Oct 16, 2014 · Penalty $800

    Resolve
  • Class - 2

    Failure to file an acceptable cycle 7 technical report in compliance with code provisions: periodic inspection of exterior walls & appurtenances as required by article 28-302 & the dept of bldgs rules & regulat

    Aug 4, 2014 · Penalty $800

    Resolve
  • Class - 2

    Failure to file an amended sixth round report acceptable to this dept indicating correction of unsafe conditions described in initial local law 11/98 report remedy:file an amended report following remedial repa

    Dec 4, 2009 · Penalty $4,000

    Resolve
  • Class - 2

    Failure to file an amended sixth round report acceptable to this dept indicating correction of unsafe conditions described in initial local law 11/98 report remedy:file an amended report following remedial repa

    May 22, 2009 · Penalty $4,000

    Resolve
  • Non-hazardous

    Failure to submit a fifth round technical report.periotic inspection of exterior walls & appurtenances as required by local law 11 of 1998 and the dept.of bldgs.

    Mar 28, 2003

    Resolve
  • Non-hazardous

    Failure to file a report of compliance with local law 10/84 certifying to the installation of required fire protection systems. file report.

    Apr 9, 1999

    Resolve
  • Non-hazardous

    52m12,74o2,15l11,30o2,74q3,73o2. 52-replace missing cotter pins on machine brake pin. 74o-clean dirty car top. 15-6th fl hoistway door does not self close repair. 30-clean hoistway. 74q-install car top lig

    Jan 8, 1999 · Penalty $180

    Resolve
  • Non-hazardous

    50y14,74b3,52b10,61b1,30o2. 50-seal oil leak. 74-rear hoist rope guard half guarded install proper guards. 61-slacked safety rope properly adjust rope.

    Jan 8, 1999 · Penalty $180

    Resolve
  • Non-hazardous

    40o2,50o2,52m12,46b3,34i11,52a12. 40,50-clean devices. 52m-replace missing cotter pins or brake pin. 52a-top brake linkage are bolted aspins properly pin brake linkage. 46-install proper rope guard.

    Jan 8, 1999

    Resolve
  • Non-hazardous

    Altered building occupied without a valid certificte of occupancy alteration type 100490844 for sub cellar cellar 1 2nd floor temp cofo expired 031998 113938 remedy obtain valid cof o

    Dec 10, 1998

    Resolve
  • Non-hazardous

    Altered building occupied without a valid certificate of occupancy alt.#1065-88 c2nd fl to sub-cellar remedy discontinue use obtain a valid certificate of occupancy.

    Dec 6, 1995

    Resolve
  • Non-hazardous

    Altered building occuppied without a valid certificate of occupancy alt 1065/88 work done on suv-cellar through2story remedy file plans obtain permits and approvals

    Nov 17, 1995 · Penalty $350

    Resolve
  • Non-hazardous

    03i,28m,30q,35o,51q

    Sep 24, 1993 · Penalty $100

    Resolve
  • Non-hazardous

    Occupying an altered building without a certificate of occupancy under alteration #1065/88 for work done on sub-cellar through 2nd fl remedy:obtain a certificate of occupancy.

    Aug 21, 1992 · Penalty $500

    Resolve
  • Non-hazardous

    Altered building occupied without first obtaining a valid certificate of occupancy as required pursuant to alteration 1065-88 (2nd fl to subcellar). remedy:discontinue use. obtain valid certificate of occupancy

    Jan 6, 1992 · Penalty $285

    Resolve
  • Hazardous

    Failure to have approved pa plan available for inspection. remedy: provide approve plan for inspection

    Jun 4, 1991 · Penalty $115

    Resolve
  • Hazardous

    Falure to have approved pa plan avalable for inspection. remedy provide approve plan for inspection

    Jun 4, 1991 · Penalty $115

    Resolve
  • Non-hazardous

    Altered building occupied without valid certificat of occupancy as re-quired by open alteration #1065-88 entire building. remedy: obtain a new cerificate of occupancy as required by this alt./

    May 30, 1990 · Penalty $285

    Resolve
  • Non-hazardous

    Altered building occupied without a valid c of o under alt 1065/88 for sub cellar, cellar, 1st and 2nd floor. remedy: discontinue the illegal occupancy untila c of has been obtained forthwith.

    Dec 28, 1989 · Penalty $250

    Resolve
  • Hazardous

    No guard rails: an opening has been in the correct floor an opening has been section of the 1st floor . remedy: provide guard rails around opening in floor at all times .

    Mar 9, 1989 · Penalty $300

    Resolve
  • Hazardous

    Failure to carryout demolition operations in a safe and proper manner. unsafe condition: at the north east section of 1st floor service entrence the wire . remedy: remove unsafe condition.

    Mar 9, 1989 · Penalty $1,500

    Resolve
  • Non-hazardous

    Work without a permit expired permit per 11649/88 under alt 1065/88 expired on 1/1/89 no updated permit on premises at time of inspection. remedy obtain renewal of permit

    Jan 18, 1989 · Penalty $1,000

    Resolve
  • Non-hazardous

    Altered bldg. occupied wihtout a valid certificate of occupancy under alt #1365/84 remedy: obtain a vlaid certificate of occupancy.

    Jun 29, 1988

    Resolve

Complaints

  • Paint/plaster

    Wall

    Aug 27, 2026 · Apt 421

    Close
  • Door/window

    Window frame

    Aug 27, 2026 · Apt 421

    Close
  • Heat/hot water

    Apartment only

    May 24, 2026 · Apt 421

    Close
  • Heat/hot water

    Entire building

    Apr 28, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Apr 27, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Apr 13, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Apr 9, 2026 · Apt 404

    Close
  • Heat/hot water

    Entire building

    Apr 1, 2026 · Apt 431

    Close
  • Heat/hot water

    Apartment only

    Mar 21, 2026 · Apt 421

    Close
  • Heat/hot water

    Entire building

    Mar 17, 2026 · Apt BLDG

    Close
Show 40 more ↓
  • Heat/hot water

    Entire building

    Mar 17, 2026 · Apt 421

    Close
  • Heat/hot water

    Entire building

    Mar 15, 2026 · Apt ALL

    Close
  • Heat/hot water

    Entire building

    Mar 13, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 12, 2026 · Apt 421

    Close
  • Heat/hot water

    Entire building

    Mar 12, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 11, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 9, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 8, 2026 · Apt BLDG

    Close
  • Safety

    Smoke detector

    Feb 28, 2026 · Apt 654

    Close
  • Heat/hot water

    Entire building

    Feb 19, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 14, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 13, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 22, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 15, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 13, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 10, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Jan 10, 2026 · Apt 421

    Close
  • Heat/hot water

    Entire building

    Jan 9, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 1, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Dec 27, 2025 · Apt 421

    Close
  • Heat/hot water

    Entire building

    Dec 14, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 5, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 1, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 30, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 30, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 28, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 28, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Nov 27, 2025 · Apt 421

    Close
  • Heat/hot water

    Entire building

    Nov 20, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 17, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 16, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 15, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 14, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 12, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Nov 10, 2025 · Apt 421

    Close
  • Heat/hot water

    Entire building

    Nov 6, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 3, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 1, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 31, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 27, 2025 · Apt BLDG

    Close

Sales history

No recorded sales in our data

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

Building details

Building type
Public assembly (P3)
Year built
1931
Floors
10
Residential units
—
Building area
118,442 ft²
Lot area
13,858 ft²
Zoning
R10
Community board
106
Council district
4
Block / lot
1320 / 34
Assessed value
$18,819,900
Landmark / historic district
No

HPD registration #109489, last renewed Sep 19, 2025.

Questions about 230 East 47 Street

Who owns 230 East 47 Street?

The owner of record in NYC Department of City Planning PLUTO data is Ymca Of Greater N Y.

Does 230 East 47 Street have violations?

Yes. NYC HPD has recorded 14 housing violations at this property.

Is 230 East 47 Street rent stabilized?

No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.

When was 230 East 47 Street built?

City records list 1931 as the year it was built.

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