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7520 3rd Avenue, Brooklyn, NY 11209

BBL 3059390046 (Borough 3, Block 5939, Lot 46) · BIN 3148685 · Last updated:

Summary · as of November 6, 2026

7520 3rd Avenue (Brooklyn, NY 11209; tax lot BBL 3059390046) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1930, on a 1,440 sq ft lot zoned R6B. City tax records list the owner as HDQ LLC; the most recent deed with a stated price is dated July 15, 2011 at $25,500 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $1,467,000. As of November 6, 2026, NYC Open Data shows three DOB jobs with a permit issued but no sign-off and nine open HPD violations. There was one 311 request 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
HDQ LLC
Building class
S2 · Mixed-use: two-family home with one store or office
Year built · units
1930 · 2 res.
Lot area · zoning
1,440 sq ft · R6B
Market value (DOF)
$1,467,000 FY2027
Last priced deed
$25,500 · 2011-07-15
BBL
3059390046
BIN
3148685

How to cite: NYC Property Facts, “7520 3rd Avenue, Brooklyn, NY 11209 (BBL 3059390046)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/7520-3rd-avenue-3059390046. 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)
HDQ LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S2 – Mixed-use: two-family home with one store or officeThe Department of Finance’s category for what kind of building this is.
Land use
Mixed residential & commercialCity Planning’s broad category of how the lot is used.
Year built
1930Often an estimate for older buildings. Major alteration recorded: 2010.
Floors
3
Units
2 residential / 3 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,440 sq ft (18 ft × 80 ft)
Building floor area
2,970 sq ft (incl. 980 sq ft commercial)
Zoning
R6B, C1-3, BRThe zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
Built vs. allowed density (FAR)
2.06 built / 2.00 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 3059390046 (Borough 3, Block 5939, Lot 46) · BIN 3148685BBL 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 2026-11-06; 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)
$1,467,000The 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
$88,020The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$73,855Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,467,000$88,0201
2026Final$1,409,000$84,5401
2025Final$1,443,000$86,5801

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-06

Sales & deed history 7

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
2016-08-24DEED$0 / not statedQuan, Huu Tuong; Quan, Kien THdq Llc2016083001236001
2015-07-08DEED, LE$0 / not statedLong Richward Corp.; Quan, Huu TuongHdq Llc2015070701706001
2011-07-15DEED$25,500Quan, Kien T; Quan, Huu TuongLong Richward Corp.2011071500837001
2000-07-11DEED$0 / not statedSzeto Realty CorpQuan, Huu TuongFT_3970007327797
1972-01-06DEED$0 / not statedSzeto Woo PingSzeto Rlty CorpBK_7230053001241
1972-01-06DEED$0 / not statedLee Wah OnSzeto Woo PingBK_7230053001239
1969-08-11DEED$0 / not statedRenna Louis JLee Wah OBK_6930035301906

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-06

DOB job filings 3 open of 4

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 · 2019-09-27
322008368
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2019-09-27$16,980
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2018-09-19
321784903
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2018-09-12$3,150
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 1991-06-28
300095297
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1991-05-06$15,500
Not open
SIGNED OFF · 2013-05-14
320176769
BIS
A1 – Major alteration (changes use, egress or occupancy)2010-06-18$75,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-05; data as of 2026-11-06; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; data as of 2026-11-06

Work permits 7

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
2019-09-272020-12-31322008368
BIS
Equipment work / Other / general constructionISSUED (initial)
2018-09-192019-09-14321784903
BIS
Equipment work / Other / general constructionISSUED (initial)
2010-09-132011-09-13320176769
BIS
Plumbing / PlumbingISSUED (initial)
2010-09-022011-05-23320176769
BIS
AlterationISSUED (initial)
1991-06-281991-10-12300095297
BIS
Plumbing / PlumbingISSUED (initial)
1991-05-141991-08-29300095297
BIS
Equipment work / Other / general constructionISSUED (initial)
1991-05-141991-08-29300095297
BIS
Equipment work / Mechanical/HVACISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-05; data as of 2026-11-06; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 5

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
2018-10-19P-PLUMBING NONETHE DOB INTENDS TO REVOKE ALL APPROVALS AND PERMITS UNDER PLUMBING LAA #320684737 DUE TO SUSPENSION OF MASTER PLUMBERS LICENSE. STOP ALL PLUMBING WORK UNDER ABOVE MENTIONED PERMIT AND OBTAIN A NEW MASTER PLUMBER TO SUPERSEDE THE PLUMBING PERMITV*101918PAPL01DB
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2010-12-02AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONV*120210AEUHAZ101421
Resolved/dismissed
VW*-VIOLATION - WORK W/O PERMIT DISMISSED
2010-04-20C-CONSTRUCTION OTHER OPTIONALWORK W/OUT PERMITVW*042010CERMR03
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1994-03-25ES-ELECTRIC SIGNS NONEV*032594ES101T
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1993-12-01ES-ELECTRIC SIGNS NONEV*120193ES101T

Source: DOB Violations — city dataset updated 2026-11-05; data as of 2026-11-06

ECB violations (DOB) 0 active of 9

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 #
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2010-10-29CLASS - 2OCCUPANCY CONTRARY TO THAT ALLOWED BY CERT OF OCCUP OR BUILDING DEPT RECORDS NOTED CERTIFICATE OF OCCUPANCY #205099 INDICATES CELLAR AS ORDINARY USE CELLAR LEVEL NOW ILLEGALLY CONVERTED TO AN SLEEPING ARANGMENT$1,200 / $1,200 / $034877643X
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2010-10-29CLASS - 2FAIL TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER. NO FIRE STOPPING PER BC 712.3; 27-345 NOTED:INTERIOR BOILER & GAS METER IS MISSING FIRE STOPPING @ THE BASEMENT FLOOR LEVEL. REM:PROVIDE/MAINTAIN FIRE STOPPIN$1,000 / $1,000 / $034877642Y
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2010-10-01CLASS - 2FAILURE TO COMPLY W/THE COMM'S ORDER TO - FILE A C/C - FOR ECB NOV #34837888H, ISSUED 4.20.10 FOR WORK W/O PERMIT: @ THIRD FLR, SUBDIVED ONECLASS A APT TO CREATE TWO...ETC. REMEDY: COMPLY W/THE COMMISSIONER'S$800 / $800 / $034877210K
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2010-08-26CLASS - 1FAILURE TO COMPLY W/THE COMMISSIONER'S ORDER TO - OBTAIN A PERMIT - PER VECB NUMBER 34837888H, ISSUED 4.20.10 FOR WORK W/O PERMIT: @ THIRDFLR, SUBDIVIDED ONE CLASS 'A' APT TO CREATE 2. INSTALLED ROUGHING AND$2,400 / $2,400 / $034871910Y
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2010-04-20CLASS - 1WORK W/O PERMIT. NOTED: AT 3RD FL: PARTITIONS ERECTED & PLUMBING INSTALLED TO CREATE A CLASS "A" APART IN FRONT PORTION OF FLOOR W/ENTRY DOOR FROM PUBLIC HALL,KITCHEN W/GAS STOVE,3 PC BATHROOM & 1 SLEEPING ROOM$1,600 / $1,600 / $034837888H
Resolved
Hearing: STIPULATION/IN-VIO · Certification: CERTIFICATE ACCEPTED
2017-09-15CLASS - 2ERECT ILLUMINATED METAL AWNING,APPROX 16FT WIDE X 4FT OVERHANG X 4FT HIGH,WITH INSCRIPTION "MOON BEAUTY SPAT" WITHOUT PERMIT.REM:COMPLY WITHNOTICE OF VIOLATION.$800 / $800 / $035290957M
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2018-07-18CLASS - 3WORK W/O A PERMIT. OBSERVED A ILLEGAL ADVERTISING SIGN BUSINESS SIGN ATTACHED TO THE TOP OF 1ST FL AT 3 STY BLDG SIGN SIZE 2.5 BY 20FEET APPROXIMATELY SIGN READS"MAGICAL NAIL & SPA". REMEDY: OBTAIN ALL REQUIRE$250 / $269 / $035346023Z
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2010-04-20CLASS - 1NOTED: AT 3RD FL. TWO CLASS "A" APTS CREATED WHEN C OF 0 #205099 ISSUED 1/26/71 STATES 3RD FOOR - ONE FAMILY AND @ 2ND FL ONE CLASS APT WHENC OF O STATES:SECOND-OFFICES (USE GROUP 6)REM:DISCONTINUE ILLEGAL OCCU$2,400 / $2,400 / $034837887X
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2018-05-17CLASS - 2FAILURE TO COMPLY WITH COMMISSIONER'S ORDER CONTAINED IN SUMMONS/VIOLATION #35290957M ISSUED ON 09/15/2017, AND TO FILE A CERTIFICATE OF CORRECTION PURSUANT TO 28.201.1 AND 1RCNY 102-01(D)(2). AN ACCEPTABLE CER$625 / $625 / $037009923J

Source: DOB ECB Violations — city dataset updated 2026-11-05; data as of 2026-11-06

OATH tickets (all agencies) 0 unpaid of 47

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 #
No balance due
PAID IN FULL · SETTL IN-VIO
2025-12-03Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STHDQ LLC$300 / $177 / $0049410858Z
No balance due
PAID IN FULL · SETTL IN-VIO
2025-12-02Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STHDQ LLC$300 / $177 / $0049410845J
No balance due Default
PAID IN FULL · DEFAULTED
2025-10-16Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STHDQ LLC$80 / $80 / $0049250199Y
No balance due Default
PAID IN FULL · DEFAULTED
2025-09-04Sanitation OthersFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSHDQ LLC$25 / $25 / $0049250121Y
No balance due Default
PAID IN FULL · DEFAULTED
2025-04-03Sanitation OthersFAIL TO RECYCLE ORGANIC WASTE 1-8 DWELLING UNITS 1STHDQ LLC$25 / $26 / $0049087947N
No balance due
PAID IN FULL · SETTL IN-VIO
2025-02-20Sanitation OthersDIRTY SIDEWALKHDQ LLC$300 / $190 / $0048966010Z
No balance due
PAID IN FULL · SETTL IN-VIO
2023-03-16Sanitation OthersLOOSE RUBBISH 1ST OCCURRENCEHDQ LLC$300 / $220 / $0047420343X
No balance due
PAID IN FULL
2022-09-12Sanitation OthersLOOSE RUBBISH 1ST OCCURRENCEHDQ LLC$50 / $50 / $0047420233P
No balance due
PAID IN FULL
2021-11-29Sanitation OthersLOOSE RUBBISH 1ST OCCURRENCEHDQ LLC$50 / $50 / $0047247690Y
No balance due Default
PAID IN FULL · DEFAULTED
2021-04-30Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETHDQ LLC$300 / $301 / $0047073772K
No balance due
PAID IN FULL · SETTL IN-VIO
2021-02-26Dos - Enforcement AgentsFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSHDQ LLC$25 / $25 / $0046927875N
No balance due
HEARING COMPLETED · IN VIOLATION
2021-01-30Dos - Enforcement AgentsDIRTY AREAMAGICAL NAIL SPA$100 / $100 / $0046943025R

Showing 12 of 47 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-06; data as of 2026-11-06

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
128049
Last registered
2016-11-29
Registration valid until
2017-09-01 ExpiredRegistrations must be renewed every year.
RoleNameCompanyBusiness city
HeadofficerWilliam QuanBrooklyn, Ny
CorporateownerHDQ LLCBrooklyn, Ny
AgentWilliam QuanBrooklyn, Ny
SitemanagerKien Quan
OfficerIvan QuanBrooklyn, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-06; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-06

HPD housing-code violations 9 open of 12

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
Open
Info Nov Sent Out · 2025-11-24
I2025-11-24§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
Open
Info Nov Sent Out · 2024-12-03
I2024-12-03§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
Open
Info Nov Sent Out · 2023-11-28
I2023-11-28§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
Open
Info Nov Sent Out · 2022-11-17
I2022-11-17§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
Open
Info Nov Sent Out · 2022-03-16
I2022-03-16§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
Open
Info Nov Sent Out · 2021-04-21
I2021-04-21§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
Open
Info Nov Sent Out · 2019-11-08
I2019-11-08§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
Open
Info Nov Sent Out · 2018-01-12
I2018-01-12§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
Open
Not Complied With · 2017-01-23
A2009-08-13§ 27-2013 ADMIN. CODE: PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT CEILING AND WALLS THROUGHOUT APT 1.
Closed
Violation Closed · 2017-01-16
B2009-08-13§ 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE TILE FLOOR FRONT ROOM 2ND STY APT 2.
Closed
Violation Closed · 2017-01-23
B2009-08-13§ 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE CELOTEX CEILING KITCHEN 2ND STY APT. 1.
Closed
Violation Closed · 2017-01-23
B2009-08-13§ 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN , MICE AND ROACHES THROUGHOUT APT. 1.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-05; data as of 2026-11-06

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 2026-11-06; data as of 2026-11-06

311 requests (last 12 months) 1

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
2026-04-13DSNYGraffiti – GraffitiClosed2026-05-23

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-06; data as of 2026-11-06

Nearby properties

On 3 Ave

Same tax block (5939)

All properties on 3 Ave, Brooklyn · All of Brooklyn 11209

Open-item counts as of November 6, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs