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61 St Marks Place, Manhattan, NY 10003

BBL 1004500044 (Borough 1, Block 450, Lot 44) · BIN 1006392 · Last updated:

Also recorded in city data as: 61 Saint Marks Pl

Summary · as of October 31, 2026

61 St Marks Place (Manhattan, NY 10003; tax lot BBL 1004500044) is a 5-unit walk-up apartment building (building class C2: walk-up apartments, five or six families), built around 1900, on a 2,348 sq ft lot zoned R8B. City tax records list the owner as MANUELE VERDI; per ACRIS, a deed to this owner dated March 27, 2005 lists a price of $263,200. The Department of Finance's final market value for tax year 2027 is $6,344,000. As of October 31, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off, two active ECB violations and two OATH tickets with an unpaid balance. There were six 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
MANUELE VERDI
Building class
C2 · Walk-up apartments, five or six families
Year built · units
1900 · 5 res.
Lot area · zoning
2,348 sq ft · R8B
Market value (DOF)
$6,344,000 FY2027
Last priced deed
$263,200 · 2005-03-27
BBL
1004500044
BIN
1006392

How to cite: NYC Property Facts, “61 St Marks Place, Manhattan, NY 10003 (BBL 1004500044)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/manhattan/61-st-marks-place-1004500044. Source: NYC Open Data.

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
MANUELE VERDIThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C2 – Walk-up apartments, five or six familiesThe Department of Finance’s category for what kind of building this is.
Land use
Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
Year built
1900Often an estimate for older buildings.
Floors
4
Units
5 residential / 5 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,348 sq ft (25 ft × 93.92 ft)
Building floor area
6,972 sq ft
Zoning
R8BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
2.97 built / 4.00 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Identifiers
BBL 1004500044 (Borough 1, Block 450, Lot 44) · BIN 1006392BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-11-02; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$6,344,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$2,854,800The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$285,502Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$6,344,000$2,854,8002A
2026Final$5,287,000$2,379,1502A
2025Final$4,617,600$2,077,9202A

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02

Sales & deed history 3

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2005-03-27DEED$263,200Rothenberg, Sheila; Verdi , ManueleManuele Verdi; Lewis , Nancy; Sheila Rothenberg2005033000410001
1998-10-22DEED$0 / not statedThom, Kate; Fitzgerald, RobertVerdi, Manuele; Rothenberg, SheilaFT_1540006316254
1993-05-13DEED$0 / not statedBayer, HelenRothenberg, Sheila; Verdi, Manuele; Fitzgerald, Robert; Thom, KateFT_1310000432631

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02

DOB job filings 1 open of 3

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

StatusJob #TypeFiledEst. cost
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2005-07-26
102094742
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1999-05-06$50,000
Not open
LOC Issued · 2026-05-13
M01370190-I1
DOB NOW
Alteration2026-03-11$5,000
Not open
SIGNED OFF · 2017-12-11
140118398
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2013-09-25$69,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 12

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

IssuedExpiresJob #WorkPermit status
2026-03-112026-05-10M01370190-I1
DOB NOW
Sidewalk Shed
INSTALLATION OF 300PSF SIDEWALK SHED AS PER PLANS, SIDEWALK SHED COMPLY ON 2022 CODE
Signed-off
2017-05-252018-05-25140118398
BIS
Plumbing / PlumbingISSUED (renewal)
2017-05-172017-07-09140118398
BIS
Equipment work / Other / general constructionISSUED (renewal)
2017-05-172017-07-09140118398
BIS
Equipment work / Mechanical/HVACISSUED (initial)
2013-11-072014-11-07140118398
BIS
Plumbing / PlumbingISSUED (initial)
2013-10-082014-03-31140118398
BIS
Equipment work / Other / general constructionISSUED (initial)
2005-07-262006-03-05102094742
BIS
Equipment work / Other / general constructionISSUED (renewal)
2005-07-262006-03-05102094742
BIS
Equipment work / Other / general constructionISSUED (renewal)
2002-09-252003-03-05102094742
BIS
Equipment work / Other / general constructionISSUED (renewal)
2000-05-092001-03-05102094742
BIS
Equipment work / Other / general constructionISSUED (renewal)
1999-08-262000-08-25102094742
BIS
Plumbing / PlumbingISSUED (initial)
1999-07-022000-03-05102094742
BIS
Equipment work / Other / general constructionISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-02; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 6

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).

StatusIssuedTypeDescriptionNumber
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2023-06-30LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTIONV*063023LBLVIO35740
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2023-06-30LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTIONV*063023LBLVIO15545
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2023-06-20LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTIONV*062023LBLVIO16312
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2023-06-20LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTIONV*062023LBLVIO36873
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2023-04-25LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTIONV*042523LBLVIO06103
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2020-01-17LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORTV*011720LBLVIO00403

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-02

ECB violations (DOB) 2 active of 2

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Active
Hearing: PENDING
2026-05-22CLASS - 2FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER. AT TIME OF INSPECTION OBSERVED EXTERIOR CONCRETE STAIR/STEPS AT EXP #01 SIDEWALL AND LANDING OBSERVED MULTIPLE CRACKS, SPALLED AND DETERIORATED CREATING UN$1,250 / $0 / $1,25035721835X
Active
Hearing: PENDING
2026-09-29CLASS - 2AT THE TOI DID NOT OBSERVE ANY "SAYING PUBLIC CORRUPTION CALLING PETE HEGSETH (HEGSHIT)ANOTHER TRUMP ADMINSTRATION OFFICIAL (SATAN) KASH PATEL (A$$ PATEL)(TURD) BLANCHE OR HTTPS://SHARE.ICLOUD.CO" SING. HOWEVER$1,250 / $0 / $1,25039205967M

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02

OATH tickets (all agencies) 2 unpaid of 36

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
Unpaid balance Default
DOCKETED · DEFAULTED
2024-12-28Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETMANUELE VERDI$300 / $0 / $300048807659P
Unpaid balance Default
DEFAULTED · DEFAULTED
2019-08-01Dep - Bureau Of Env. CompliancOPERATING EMISSION SOURCE WITH EXPIRED REGISTRATION 1ST OFFMANUELE VERDI,SHELIA ROTHENBER$1,600 / $0 / $2,080000522557N
Hearing pending
STIPULATION OFFERED
2026-09-29Dept. Of BuildingsWORK WITHOUT A PERMITMANUELE VERDI$1,250 / $0 / $1,250039205967M
Hearing pending
RESCHEDULED · ADJOURNED
2026-05-22Dept. Of BuildingsFAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNERMANUELE VERDI$1,250 / $0 / $1,250035721835X
No balance due
PAID IN FULL
2024-11-14Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETMANUELE VERDI$50 / $50 / $0048632157N
No balance due
PAID IN FULL
2023-02-02Sanitation OthersDIRTY SIDEWALKMANUELE VERDI$50 / $50 / $0047747457Z
No balance due
PAID IN FULL · STIPULATED
2023-01-27Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUBIMPERIAL BAG PAPER CO LLC$600 / $780 / $0000756231P
No balance due
PAID IN FULL
2022-12-01Sanitation OthersLOOSE RUBBISH 1ST OCCURRENCEMANUELE VERDI$50 / $50 / $0047653031Y
No balance due
PAID IN FULL · IN VIOLATION
2022-11-07Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 2ND OFFD'ONOFRIO GENERAL CONTRACTORS$440 / $528 / $0000740255N
No balance due Default
PAID IN FULL · DEFAULTED
2022-07-01Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFSUNNY WINDOWS INC$1,000 / $1,300 / $0000724456J
No balance due
PAID IN FULL · IN VIOLATION
2022-06-23Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFPENSKE TRUCK LEASING CO LP$440 / $440 / $0000721612Z
No balance due
PAID IN FULL · STIPULATED
2022-05-27Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 2ND OFFMERCHANTS AUTOMOTIVE GROUP INC$440 / $440 / $0000717140H

Showing 12 of 36 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-02

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

HPD building ID
27886
Last registered
2025-05-15
Registration valid until
2026-09-01 ExpiredRegistrations must be renewed every year.
RoleNameCompanyBusiness city
JointownerManuele VerdiNew York, Ny
JointownerSheila RothenbergNew York, Ny
SitemanagerManuele Verdi
AgentManuele VerdiNew York, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02

HPD housing-code violations 0 open of 16

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

StatusClassIssuedAptCondition
Closed
Violation Dismissed · 2025-07-02
A2025-06-04(A) § HMC: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.
Closed
Violation Dismissed · 2025-05-16
I2024-11-22§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Dismissed · 2024-04-29
A2024-04-01(A) § HMC: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.
Closed
Violation Dismissed · 2024-01-29
I2023-11-15§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Dismissed · 2024-04-29
A2023-03-15(A) § HMC: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.
Closed
Violation Dismissed · 2024-01-29
I2022-11-02§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Dismissed · 2024-01-29
I2022-02-16§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Dismissed · 2024-04-29
A2022-02-16(A) § HMC: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.
Closed
Violation Dismissed · 2024-04-29
A2021-04-01(A) § HMC: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.
Closed
Violation Dismissed · 2024-01-29
I2021-04-01§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Dismissed · 2024-01-29
I2019-10-25§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Dismissed · 2019-03-05
I2018-10-09§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Dismissed · 2019-03-05
I2017-11-06§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Dismissed · 2016-11-17
I2016-10-26SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF P
Closed
Violation Dismissed · 2016-11-17
I2015-10-01SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF P
Closed
Violation Dismissed · 2015-03-25
I2015-02-02SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF P

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-02

HPD complaints 0

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-02; data as of 2026-11-02

311 requests (last 12 months) 6

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

OpenedAgencyComplaintStatusClosed
2026-05-31DOBSpecial Projects Inspection Team (SPIT) – Advertising Sign/Billboard/Posters/Flexible Fabric - IllegalClosed2026-10-15
2026-04-29DOBGeneral Construction/Plumbing – Debris - ExcessiveClosed2026-05-08
2026-04-23DOBGeneral Construction/Plumbing – Site Conditions Endangering WorkersClosed2026-04-23
2026-04-23DOBEmergency Response Team (ERT) – After Hours Work - IllegalClosed2026-06-29
2026-04-23DOBGeneral Construction/Plumbing – Debris - Falling Or In Danger Of FallingClosed2026-04-23
2026-04-13DOBEmergency Response Team (ERT) – After Hours Work - IllegalClosed2026-05-22

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02

Nearby properties

On St Marks Pl

Same tax block (450)

All properties on St Marks Pl, Manhattan · All of Manhattan 10003 (East Village)

Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs