# 643 Carlton Avenue, Brooklyn, NY 11238 BBL 3011580002 · Block 1158 · Lot 2 · BIN 3028712 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/643-carlton-avenue-3011580002 Last updated: 2026-10-31 · Open-item counts as of 2026-10-31 ## Summary 643 Carlton Avenue (Brooklyn, NY 11238; tax lot BBL 3011580002) is a 5-unit walk-up apartment building (building class C2: walk-up apartments, five or six families), built around 1868, on a 1,520 sq ft lot zoned R6B. City tax records list the owner as FLATTS HOLDINGS LLC. The Department of Finance's final market value for tax year 2027 is $1,808,000. As of October 31, 2026, NYC Open Data shows one active DOB violation, one open HPD violation and one OATH ticket with an unpaid balance. There were three 311 requests 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.) How to cite: NYC Property Facts, “643 Carlton Avenue, Brooklyn, NY 11238 (BBL 3011580002)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/643-carlton-avenue-3011580002. Source: NYC Open Data. ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 0 | | Active DOB violations | 1 | | Active ECB violations | 0 | | Open HPD violations | 1 | | OATH tickets with unpaid balance | 1 | ## Lot & building - Owner of record: FLATTS HOLDINGS LLC - Building class: C2 – Walk-up apartments, five or six families - Year built: 1868 - Floors: 3 - Units: 5 residential / 5 total - Lot area: 1,520 sq ft · Building area: 2,280 sq ft - Zoning: R6B - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-02 ## Tax assessment - Tax year 2027 (final roll): market value $1,808,000, assessed value $813,600, tax class 2A - 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 | |---|---|---|---| | 2022-11-08 | recorded (DEED) | DEED dated 2022-11-08 from MCLAREN, RONALD to FLATTS HOLDINGS LLC, no price stated ($0). | bnx9-e6tj | | 1982-03-27 | recorded (DEED) | DEED dated 1982-03-27 from BETANCOURT, JEFFREYA.; CARLTON ASSOCIATES; BETANCOURT, JEFFREY; BETANCOURT, PAUL TIMOTHY to MCCLAREN, RONALD, no price stated ($0). | bnx9-e6tj | | 1981-04-24 | recorded (DEED) | DEED dated 1981-04-24 from BETANCOURT JEFFREY to CARTON ASSOC, no price stated ($0). | bnx9-e6tj | | 1981-02-26 | recorded (DEED) | DEED dated 1981-02-26 from VENTIMIGLIA MATTEO to M VENTIMIGLIA & SON INC, no price stated ($0). | bnx9-e6tj | | 1981-02-26 | recorded (DEED) | DEED dated 1981-02-26 from WON TON REALTY CORP to BETANCOURT JEFFREY, no price stated ($0). | bnx9-e6tj | | 1981-02-26 | recorded (DEED) | DEED dated 1981-02-26 from M VENTIMIGLIAT SCN INC to WON TON REALTY CORP, 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). No records found. ## Open violations (DOB, ECB, HPD) status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open. | Date | Status | Description | Source | |---|---|---|---| | 2026-08-28 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (P-PLUMBING NONE): WORK WITHOUT PERMIT, I OBSERVED A GAS FIRED DRYER 100% INSTALLED IN BASEMENT WITH INADEQUATE EXHAUST PIPING, WITH NO PERMITS IN FILE IN DOB SYSTEM.. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 | | 2009-10-01 | open (Nov Certified Late) | HPD class C violation (Class C): SECTION 27-2010, 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE FLOOR THRU OUT AT CELLAR. Open — not recorded as corrected. | wvxf-dwi5 | ## 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. | Date | Status | Description | Source | |---|---|---|---| | 2026-06-10 | open (DEFAULTED · DEFAULTED) | OATH ticket from Fire Department Of Nyc: INSPECTION AND TESTING. Unpaid balance $1,000. Respondent defaulted (did not appear). | jz4z-kudi | ## Complaints (HPD since 2019, 311 last 12 months) Complaints are reports, not violations. status mirrors the published complaint / request status. | Date | Status | Description | Source | |---|---|---|---| | 2026-07-24 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Bike Lane. | erm2-nwe9 | | 2026-07-06 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Bike Lane. | erm2-nwe9 | | 2026-02-28 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Hydrant. | erm2-nwe9 | ## 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 FLATTS HOLDINGS LLC. | 64uk-42ks | | 2022-11-08 | recorded | Grantee (buyer) on the most recent deed (DEED, 2022-11-08). | 636b-3b5g | | 2026-09-09 | current_registration | HPD registration contact: SiteManager Duke Saunders. | feu5-w2e2 | | 2026-09-09 | current_registration | HPD registration contact: HeadOfficer Ronald Mclaren, business city Brooklyn. | feu5-w2e2 | | 2026-09-09 | current_registration | HPD registration contact: CorporateOwner (Flatts Holdings LLC), business city Brooklyn. | feu5-w2e2 | | 2026-09-09 | current_registration | HPD registration contact: Agent Ronald Mclaren (Plaza Heights Management), business city Brooklyn. | feu5-w2e2 | --- 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/3011580002