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2020 Cortelyou Road, Brooklyn, NY 11226

BBL 3051630010 (Borough 3, Block 5163, Lot 10) · BIN 3118813 · Last updated:

Also recorded in city data as: 434 E 21 St

Summary · as of October 31, 2026

2020 Cortelyou Road (Brooklyn, NY 11226; tax lot BBL 3051630010) is a health-care facility (building class I5: hospital or health facility (subtype I5)), built around 1930, on a 4,422 sq ft lot zoned R6A. City tax records list the owner as KHAN ABDUR RAB. The Department of Finance's final market value for tax year 2027 is $609,000. As of October 31, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off, 12 active DOB violations and four active ECB violations. There were 10 311 requests in the past 12 months and one HPD complaint since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
KHAN ABDUR RAB
Building class
I5 · Hospital or health facility
Year built · units
1930 · 0 res.
Lot area · zoning
4,422 sq ft · R6A
Market value (DOF)
$609,000 FY2027
Last priced deed
—
BBL
3051630010
BIN
3118813

How to cite: NYC Property Facts, “2020 Cortelyou Road, Brooklyn, NY 11226 (BBL 3051630010)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/2020-cortelyou-road-3051630010. 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)
KHAN ABDUR RABThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
I5 – Hospital or health facility (subtype I5)The Department of Finance’s category for what kind of building this is.
Land use
Public facilities & institutionsCity Planning’s broad category of how the lot is used.
Year built
1930Often an estimate for older buildings.
Floors
1
Units
0 residential / 1 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
4,422 sq ft (63.67 ft × 113.5 ft)
Building floor area
2,800 sq ft (incl. 2,800 sq ft commercial)
Zoning
R6AThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
0.63 built / 3.00 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 3051630010 (Borough 3, Block 5163, Lot 10) · BIN 3118813BBL 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)
$609,000The 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
$274,050The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$261,090Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$609,000$274,0504
2026Final$594,000$267,3004
2025Final$585,000$263,2504

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

Sales & deed history 5

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
1989-05-19DEED$0 / not statedJackman, NormanKhan, Abdur RabFT_3190001457219
1989-04-26DEED$0 / not statedBezar, Shafi AJackman, Norman TFT_3430001449743
1982-08-12DEED$0 / not statedFederation/Jewish Phil.Bezar, Shafi A; Jackman, NormanFT_3250000924125
1979-12-27DEED$0 / not statedNathanson MinnieFederation Of Jewish Philanthropies Of New YorkBK_7930112901152
1972-05-12DEED$0 / not statedNathanson Louis(Decd)Nathanson MinnieBK_7230055600967

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 2 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 · 2019-05-16
320125985
BIS
A1 – Major alteration (changes use, egress or occupancy)2010-02-10$83,600
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 1994-05-26
300318608
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1993-12-30$4,500
Not open
SIGNED OFF · 2012-04-24
320260953
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2011-01-13$116,500
Not open
SIGNED OFF · 1999-10-25
300931366
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1999-08-24$1,200

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
2019-05-162020-09-30320125985
BIS
AlterationISSUED (renewal)
2017-05-152018-03-26320125985
BIS
AlterationISSUED (renewal)
2011-02-022012-02-02320260953
BIS
Plumbing / PlumbingISSUED (initial)
2011-01-312012-01-21320260953
BIS
Equipment work / Mechanical/HVACISSUED (initial)
2011-01-312012-01-21320260953
BIS
Equipment work / Other / general constructionISSUED (initial)
2011-01-312012-01-21320260953
BIS
Equipment work / Other / general constructionISSUED (initial)
2010-11-232011-11-23320125985
BIS
Plumbing / PlumbingISSUED (initial)
2010-11-232010-12-22320125985
BIS
AlterationISSUED (initial)
1999-09-232000-03-19300931366
BIS
Equipment work / Mechanical/HVACISSUED (initial)
1999-09-232000-03-19300931366
BIS
Equipment work / Mechanical/HVACISSUED (initial)
1994-05-261996-05-26300318608
BIS
Plumbing / PlumbingISSUED (initial)
1994-05-261996-05-26300318608
BIS
Equipment work / Mechanical/HVACISSUED (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 12 active of 13

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
Active
V-DOB VIOLATION - ACTIVE
2007-01-19LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV011907LL629113538
Active
V-DOB VIOLATION - ACTIVE
2006-01-06LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV010606LL629113023
Active
V-DOB VIOLATION - ACTIVE
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV013105LL629114005
Active
V-DOB VIOLATION - ACTIVE
2004-02-13LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV021304LL629115210
Active
V-DOB VIOLATION - ACTIVE
2003-03-19LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV031903LL629121178
Active
V-DOB VIOLATION - ACTIVE
2002-03-26LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV032602LL629122678
Active
V-DOB VIOLATION - ACTIVE
2001-02-27LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV022701LL629121530
Active
V-DOB VIOLATION - ACTIVE
2000-02-07LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV020700LL629121903
Active
V-DOB VIOLATION - ACTIVE
1999-03-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV031699LL629121611
Active
V-DOB VIOLATION - ACTIVE
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV060194LL629109337
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629125433
Active
V-DOB VIOLATION - ACTIVE
1993-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV060193LL629109336
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*120210AEUHAZ101368

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

ECB violations (DOB) 4 active of 4

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: IN VIOLATION · Certification: CERTIFICATE DISAPPROVED
2010-08-27CLASS - 2FAILURE TO COMPLY W/THE COMMISSIONER'S ORDER TO FILE A C/C W/THE DOB. NOTED: RESPONDENT FAILED TO COMPLY W/THE COMMISSIONER'S ORDER TO CORRECT THE VIOLATING CONDITIONS AND FILE A C/C PURSUANT TO 28-204.2 FOR$800 / $800 / $034877055J
Active
Hearing: IN VIOLATION · Certification: CERTIFICATE DISAPPROVED
2010-08-27CLASS - 1OCCUPANCY CONTRARY TO THAT ALLOWED BY THE C OF O OR BUILDING DEPT RECORDS. NOTED: BASEMENT/CELLAR BEING USED AS PLACE OF WORSHIP & COMMUNITY CENTER CONTRARY TO C OF O #149203 DATED 6/1/56,WHICH ALLOWS CELLAR TO$1,200 / $1,200 / $034877054H
Active
Hearing: IN VIOLATION · Certification: CERTIFICATE DISAPPROVED
2010-03-17CLASS - 1OCCUPANCY CONTRARY TO DOB RECORDS. NOTED: DOB RECORDS INDICATE CELLAR TO BE DOCTORS OFFICES - CELLAR NOW CONVERTED & USED FOR RELIGIOUS PURPOSES. REMEDY: DISCONTINUE USE/AMEND C/O.$1,200 / $1,200 / $034840401Y
Active
Hearing: IN VIOLATION · Certification: CERTIFICATE DISAPPROVED
2009-10-13CLASS - 1OCCUPANCY CONTRARY TO THAT ALLOWED BY THE C OF O NOTED @ CELLAR LEVEL DRS OFFICE CONVERTED TO ISLAMIC CENTER W/O ANY APPROVALS CONTRARY TO C OF O REMEDY: DISCONTINUE ILLEGAL USE OR AMEND C OF O$1,200 / $1,200 / $034807259H

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

OATH tickets (all agencies) 0 unpaid of 31

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
2026-09-14Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STKHAN ABDUR RAB$50 / $50 / $0080094426R
No balance due
PAID IN FULL
2025-08-13Sanitation OthersFAIL TO CLEAN 18 INCH INTO STREET COMM MAN INDUSTRIAL MIXED USE 1STDITMAS MEDICAL CENTER$50 / $50 / $0049236140Z
No balance due
PAID IN FULL
2025-08-01Sanitation OthersDIRTY AREA COMM MAN INDUSTRIAL MIXED USE 1STDITMAS PARK MEDICAL CENTER$50 / $50 / $0049236080X
No balance due
PAID IN FULL
2024-11-29Sanitation OthersIMPROPER RECEPTACLE NON-RESIDENTIAL 1STKHAN ABDUR RAB$50 / $50 / $0048200250Z
No balance due
PAID IN FULL
2018-08-11Sanitation OthersDIRTY SIDEWALK DIRTY AREAARIYANA DENTAL$100 / $100 / $00203872736
No balance due
PAID IN FULL
2016-07-12LITTERINGALBIDO$100 / $100 / —040364817K
No balance due
PAID IN FULL
2015-09-02Dos - Enforcement AgentsDIRTY AREAARIYANA DENTAL$100 / $200 / $-100044431323N
No balance due Default
PAID IN FULL · DEFAULTED
2014-09-02Fire Department Of NycAFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATIONABDUR RAB KHAN DBA ARIYANA$1,000 / $1,000 / $0011378872Z
No balance due
PAID IN FULL
2013-09-30Sanitation DeptFAILURE TO CLEAN 18 INCHES INTO STREETARIYANADENTAL$100 / $100 / —041443787K
No balance due
WRITTEN OFF · WRITTEN OFF
2013-03-02Dept Of TransportationBINDER BASE OR TEMPORARY RESTORATION NOT FLUSH WITH SURROUNDING AREAKEYPSAN ENERGY DELIVERY N Y C$1,000 / $750 / $00181891748
No balance due
PAID IN FULL · IN VIOLATION
2012-12-11Dept Of TranUSE OPENING OF STREET W O PERMITKEYSPAN ENERGYT DELIVERY NYC$5,000 / $4,907 / —0182011821
No balance due
PAID IN FULL
2012-03-30Dos - Enforcement AgentsSTORAGE OF RECEPTACLESBROOKLYN DENTAL CENTER$100 / $100 / —041573488X

Showing 12 of 31 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.

No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).

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 0

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.

No records found in this dataset for this lot.

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

HPD complaints 1

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.

ReceivedStatusAptProblem(s)Outcome
2025-12-09CLOSEBLDGHeat/Hot Water – Entire BuildingThe Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been closed

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) 10

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
2026-10-26DSNYVendor Enforcement – Food VendorClosed2026-10-26
2026-10-24NYPDIllegal Parking – Parking Permit Improper UseClosed2026-10-24
2026-10-12DPRIllegal Tree Damage – Trunk DamagedIn Progress—
2026-10-01NYPDBlocked Driveway – No AccessClosed2026-10-01
2026-03-19DSNYMissed Collection – TrashClosed2026-03-23
2026-03-13NYPDIllegal Parking – Double Parked Blocking TrafficClosed2026-03-13
2026-01-22NYPDBlocked Driveway – No AccessClosed2026-01-22
2026-01-21NYPDBlocked Driveway – No AccessClosed2026-01-21
2025-12-09HPDHEAT/HOT WATER – ENTIRE BUILDINGClosed2025-12-10
2025-11-03NYPDBlocked Driveway – No AccessClosed2025-11-03

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

Nearby properties

On Cortelyou Rd

Same tax block (5163)

All properties on Cortelyou Rd, Brooklyn · All of Brooklyn 11226 (East Flatbush-Erasmus)

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