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764 50th Street, Sunset Park (Central), Brooklyn, NY 11220

BBL 3007940033 (Borough 3, Block 794, Lot 33) · BIN 3013414 · Last updated: · Sunset Park (Central) · ZIP 11220

Summary · as of November 10, 2026

764 50th Street (Brooklyn, NY 11220; tax lot BBL 3007940033) is a two-family home (building class B9: two-family home, miscellaneous), built around 1935, on a 2,003 sq ft lot zoned R6B. City tax records list the owner as JIANG, CUN ZHI. The Department of Finance's final market value for tax year 2027 is $1,847,000. As of November 10, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows one DOB job with a permit issued but no sign-off. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
JIANG, CUN ZHI
Building class
B9 · Two-family home, miscellaneous
Year built · units
1935 · 2 res.
Lot area · zoning
2,003 sq ft · R6B
Market value (DOF)
$1,847,000 FY2027
Last priced deed
—
BBL
3007940033
BIN
3013414

How to cite: NYC Property Facts, “764 50th Street, Brooklyn, NY 11220 (BBL 3007940033)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/brooklyn/764-50th-street-3007940033. 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)
JIANG, CUN ZHIThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
B9 – Two-family home, miscellaneousThe Department of Finance’s category for what kind of building this is.
Land use
One- & two-family buildingsCity Planning’s broad category of how the lot is used.
Year built
1935Often an estimate for older buildings.
Floors
2
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,003 sq ft (20 ft × 100.17 ft)
Building floor area
3,210 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.60 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 3007940033 (Borough 3, Block 794, Lot 33) · BIN 3013414BBL 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; last loaded 2026-11-12; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08; checked unchanged 2026-11-10

Tax assessment

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

Market value (tax year 2027, final roll)
$1,847,000The 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
$110,820The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$29,148Assessed 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$1,847,000$110,8201
2026Final$1,685,000$101,1001
2025Final$1,424,000$85,4401

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-12

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
2026-02-11DEED$0 / not statedJiang, Cun Zhi; Han, Sai Ying; Jiang, JinfuJiang, Cun Zhi2026032300614001
2023-08-15DEED$0 / not statedHan, Sai Ying; Jiang, JinfuJiang, Cun Zhi; Jiang, Jinfu; Han, Sai Ying2023091000012001
2000-03-23DEED$0 / not statedScordio, Anthony; Scordio, PatriciaJiang, Jin Fu; Han, Sai YingFT_3740007209174
1986-10-01DEED$0 / not statedMc Caughan, Lorraine; Mc Caughan, Brian VScordio, Patricia; Scordio, AnthonyFT_3120001204212
1977-04-19DEED$0 / not statedHeuer Amelia; Frerichs Augusta; Fields MildredMc Caughan Lorraine; Mc Caughan BrianBK_7730091401854

Source: ACRIS Real Property Master — city dataset updated 2026-11-10; last loaded 2026-11-12; ACRIS Real Property Legals — city dataset updated 2026-11-10; last loaded 2026-11-12; ACRIS Real Property Parties — city dataset updated 2026-11-10; last loaded 2026-11-12

DOB job filings 1 open of 1

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 · 2002-04-24
301322218
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2002-04-02$9,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-10; last loaded 2026-11-11; DOB Job Application Filings (BIS) — city dataset updated 2026-11-09; last loaded 2026-11-10

Work permits 2

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
2002-04-242003-04-24301322218
BIS
Plumbing / PlumbingISSUED (initial)
2002-04-152002-09-22301322218
BIS
Equipment work / Other / general constructionISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-09; last loaded 2026-11-10; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 0 active of 0

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). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.

No records found in this dataset for this lot.

Source: DOB Violations — city dataset updated 2026-11-11; last loaded 2026-11-11

DOB safety violations (DOB NOW) 0 active of 0

Safety violations DOB NOW publishes for devices such as boilers, elevators and gas piping (Local Law 152). Active means the published status is Active. Dismissed, cured, waived and successfully disputed violations are counted under “resolved or not active” and are not open items. Active ones are included in the summary’s active DOB violation total.

No records found in this dataset for this lot.

Source: DOB Safety Violations (DOB NOW) — city dataset updated 2026-11-11; last loaded 2026-11-11

ECB violations (DOB) 0 active of 1

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: CURED/IN-VIO · Certification: CURE ACCEPTED
2002-03-22Non-HazardousWORK W/O A PERMIT : WORK NOTED : IN BASEMENT NEW WALL SHEET ROCK PARTITION;S & THREE ROOMS WITH BATHROOM HAVE BEEN CONSTRUCTED REMEDY : OBTIAN A PERMIT IF FEASIBLE (OR) RESTORE TO PRIOR LEGAL CONDITION$0 / $0 / $034322933P

Source: DOB ECB Violations — city dataset updated 2026-11-11; last loaded 2026-11-11

OATH tickets (all agencies) 0 unpaid of 8

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
2025-01-07Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STJIANG JINFU$300 / $25 / $0048868748X
No balance due
PAID IN FULL
2014-02-26Sanitation DeptFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSJIN FU JIANG$25 / $25 / —041905278X
No balance due
PAID IN FULL
2012-03-28Sanitation PoliceFAILURE TO CLEAN 18 INCHES INTO STREETJIN FU JIANG$100 / $100 / —040437071H
No balance due
PAID IN FULL
2004-08-28$25 / $25 / —0144140655
No balance due
HEARING COMPLETED · IN VIOLATION
2002-03-22— / — / —034322933P
No balance due
PAID IN FULL
2001-10-17$50 / $50 / —0126169937
No balance due
WRITTEN OFF · WRITTEN OFF
2000-01-18Sanitation OthersDIRTY SIDEWALKSCORDIO$300 / — / —0109054954
No balance due
WRITTEN OFF · WRITTEN OFF
2000-01-06Dos - Enforcement AgentsDIRTY SIDEWALKSCORDIC$300 / — / —0112089295

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-11; last loaded 2026-11-12

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 2026-11-04; last loaded 2026-11-10; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-10

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 2026-11-11; last loaded 2026-11-11

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 2026-11-11; last loaded 2026-11-11

311 requests (last 12 months) 0

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.

No records found in this dataset for this lot.

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-11; last loaded 2026-11-12

Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

More in Sunset Park (Central): Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets · Active vacate orders

Closest on 50 St

Same tax block (794), closest first

All properties on 50 St, Brooklyn · Brooklyn 11220

Open-item counts as of November 10, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs