# Union Street, Carroll Gardens-Cobble Hill-Gowanus-Red Hook, Brooklyn, NY 11231 BBL 3003400017 · Block 340 · Lot 17 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/union-street-3003400017 Last updated: 2026-10-31 · Open-item counts as of 2026-11-09 ## Summary Union Street (Brooklyn, NY 11231; tax lot BBL 3003400017) is a vacant lot (building class V1: vacant land zoned commercial), on a 3,801 sq ft lot zoned M2-1. City tax records list the owner as PORT AUTHORITY OF NY AND NJ. The Department of Finance's final market value for tax year 2027 is $863,000. As of November 9, 2026, NYC Open Data shows no open DOB jobs, active DOB or DOB NOW safety violations, active ECB violations, open HPD violations or unpaid OATH tickets for this lot. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.) How to cite: NYC Property Facts, “Union Street, Brooklyn, NY 11231 (BBL 3003400017)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/union-street-3003400017. Source: NYC Open Data. ## Neighborhood Carroll Gardens-Cobble Hill-Gowanus-Red Hook: https://nycpropertyfacts.com/ny/brooklyn/11231 - Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/11231/open-hpd-violations - Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/11231/active-dob-violations - Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/11231/active-ecb-violations - Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/11231/open-dob-jobs - Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/11231/unpaid-oath-tickets ## ZIP Brooklyn 11231: https://nycpropertyfacts.com/ny/brooklyn/11231 ## Nearby properties Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers. - Union Street (37 ft): https://nycpropertyfacts.com/ny/brooklyn/union-street-3003400016 - 22 Union Street (38 ft): https://nycpropertyfacts.com/ny/brooklyn/22-union-street-3003400019 - Union Street (62 ft): https://nycpropertyfacts.com/ny/brooklyn/union-street-3003400015 - Union Street (67 ft): https://nycpropertyfacts.com/ny/brooklyn/union-street-3003400020 - Hamilton Avenue (76 ft): https://nycpropertyfacts.com/ny/brooklyn/hamilton-avenue-3003400005 - Hamilton Avenue (78 ft): https://nycpropertyfacts.com/ny/brooklyn/hamilton-avenue-3003400004 ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 0 | | Active DOB violations (BIS) | 0 | | 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: PORT AUTHORITY OF NY AND NJ - Building class: V1 – Vacant land zoned commercial - Year built: — - Floors: — - Units: 0 residential / 0 total - Lot area: 3,801 sq ft · Building area: 0 sq ft - Zoning: M2-1 - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-09 ## Tax assessment - Tax year 2027 (final roll): market value $863,000, assessed value $388,350, tax class 4 - 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. No records found. ## 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). No records found. ## 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. No records found. ## 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 2026-11-09 ## 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 PORT AUTHORITY OF NY AND NJ. | 64uk-42ks | --- 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/3003400017