# 1816 Avenue U, Madison, Brooklyn, NY 11229 BBL 3073510007 · Block 7351 · Lot 7 · BIN 3199700 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/1816-avenue-u-3073510007 Last updated: 2026-11-08 · Open-item counts as of 2026-11-09 ## Summary 1816 Avenue U (Brooklyn, NY 11229; tax lot BBL 3073510007) 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 1927, on a 1,950 sq ft lot zoned R5. City tax records list the owner as TSANG, CHI CHOI /2015. The Department of Finance's final market value for tax year 2027 is $1,728,000. As of November 9, 2026 (limited by OATH Hearings Division Case Status; other open-item sources were confirmed later), NYC Open Data shows one DOB job with a permit issued but no sign-off and two active DOB violations. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.) How to cite: NYC Property Facts, “1816 Avenue U, Brooklyn, NY 11229 (BBL 3073510007)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/1816-avenue-u-3073510007. Source: NYC Open Data. ## Neighborhood Madison: https://nycpropertyfacts.com/ny/brooklyn/11229 - Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/11229/open-hpd-violations - Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/11229/active-dob-violations - Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/11229/active-ecb-violations - Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/11229/open-dob-jobs - Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/11229/unpaid-oath-tickets ## ZIP Brooklyn 11229: https://nycpropertyfacts.com/ny/brooklyn/11229 ## Nearby properties Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers. - 1814 Avenue U (19 ft): https://nycpropertyfacts.com/ny/brooklyn/1814-avenue-u-3073510006 - 1818 Avenue U (21 ft): https://nycpropertyfacts.com/ny/brooklyn/1818-avenue-u-3073510008 - 1812 Avenue U (38 ft): https://nycpropertyfacts.com/ny/brooklyn/1812-avenue-u-3073510005 - 1822 Avenue U (40 ft): https://nycpropertyfacts.com/ny/brooklyn/1822-avenue-u-3073510009 - 1810 Avenue U (57 ft): https://nycpropertyfacts.com/ny/brooklyn/1810-avenue-u-3073510004 - 1806 Avenue U (77 ft): https://nycpropertyfacts.com/ny/brooklyn/1806-avenue-u-3073510003 - 2104 East 19th Street (62 ft): https://nycpropertyfacts.com/ny/brooklyn/2104-east-19th-street-3073510010 - 2114 East 19th Street (68 ft): https://nycpropertyfacts.com/ny/brooklyn/2114-east-19th-street-3073510012 ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 1 | | Active DOB violations (BIS) | 2 | | Active DOB safety violations (DOB NOW) | 0 | | Active ECB violations | 0 | | Open HPD violations | 0 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: TSANG, CHI CHOI /2015 - Building class: S2 – Mixed-use: two-family home with one store or office - Year built: 1927 - Floors: 3 - Units: 2 residential / 3 total - Lot area: 1,950 sq ft · Building area: 3,583 sq ft - Zoning: R5, C1-3 - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-10 ## Tax assessment - Tax year 2027 (final roll): market value $1,728,000, assessed value $103,680, tax class 1 - Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws) ## Sales & deeds (ACRIS) Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots. | Date | Status | Description | Source | |---|---|---|---| | 2015-07-02 | recorded (DEED, LE) | DEED, LE dated 2015-07-02 from TSUI KI TSANG REVOCABLE TRUST; CHI CHOI TSANG, AS TRUSTEE; CHI CHOI TSANG REVOCABLE TRUST; TSUI KI TSANG, AS TRUSTEE to WING FAI TSANG, AS TRUSTEE; TSUI KI TSANG IRREVOCABLE TRUST; CHI CHOI TSANG IRREVOCABLE TRUST, no price stated ($0). | bnx9-e6tj | | 1996-03-19 | recorded (DEED) | DEED dated 1996-03-19 from TSANG, CHI CHOI; TSANG, TSUI KI to TSU KI TSANG/REVOCABLE TRUST; CHI CHOI TSANG/REVOCABLE TRUST; TSANG, CHI CHOI/TR; TSANG, TSUI KI/TR, no price stated ($0). | bnx9-e6tj | | 1993-12-09 | recorded (DEED) | DEED dated 1993-12-09 from CORNIELLE, ARTHUR to TSANG, TSUI KI; TSANG, CHI CHOI, no price stated ($0). | bnx9-e6tj | | 1987-03-13 | recorded (DEED) | DEED dated 1987-03-13 from SLACK, DIANE EXEC; CLARK, JAMES JR EST/OF to CLARK, JAMES JR DIST/OF; CORNIELLE, ARTHURDIST, no price stated ($0). | bnx9-e6tj | ## Open DOB jobs and recent work permits A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items). | Date | Status | Description | Source | |---|---|---|---| | 1992-03-12 | open (PERMIT ISSUED - PARTIAL JOB) | BIS job 300161081 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - PARTIAL JOB — permit issued, no sign-off on record. TO INSTALL FIRE SUPPRESSION SYSTEM ON EXISTING KITCHEN HOOD. | ic3t-wcy2 | | 1992-05-04 | n/a (ISSUED (initial)) | BIS work permit for job 300161081: Equipment work / Fire suppression. Issued 1992-05-04, expires 1992-06-12. | ipu4-2q9a | ## Open violations (DOB, DOB NOW safety, ECB, HPD) status "open" = DOB violation category is ACTIVE, DOB NOW safety violation status is Active, ECB violation status is ACTIVE, or HPD violation status is Open. Dismissed, cured, waived and disputed-successfully safety violations are not open. | Date | Status | Description | Source | |---|---|---|---| | 1996-03-30 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (C-CONSTRUCTION OTHER OPTIONAL). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 | | 1993-08-16 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 | ## DOB safety violations (DOB NOW) Active means the published violation status is Active. Dismissed, cured, waived, disputed successfully and pending dismissal are not open items. No records found. Source: DOB Safety Violations (DOB NOW) (https://data.cityofnewyork.us/Building/DOB-Safety-Violations/855j-jady), city dataset updated 2026-11-09; last loaded 2026-11-10 ## OATH tickets with unpaid balance or pending status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear. No records found. ## Complaints (HPD since 2019, 311 last 12 months) Complaints are reports, not violations. status mirrors the published complaint / request status. No records found. ## Owners & contacts Owner of record comes from city tax records (PLUTO) and can lag behind recent sales. | Date | Status | Description | Source | |---|---|---|---| | 2026-08-24 | current | City tax records (PLUTO) list the owner as TSANG, CHI CHOI /2015. | 64uk-42ks | | 2015-07-02 | recorded | Grantee (buyer) on the most recent deed (DEED, LE, 2015-07-02). | 636b-3b5g | | 2015-07-02 | recorded | Grantee (buyer) on the most recent deed (DEED, LE, 2015-07-02). | 636b-3b5g | | 2015-07-02 | recorded | Grantee (buyer) on the most recent deed (DEED, LE, 2015-07-02). | 636b-3b5g | --- Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3073510007