643 CARLTON AVENUE
643 CARLTON AVENUE is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3011580002) built in 1868, with 5 residential units across 3 floors.
The building is in NYC community district 308, council district 35, zoning district R6B, on a 1,520-square-foot lot with a building footprint of 2,280 square feet.
The current registered owner of record per NYC PLUTO is FLATTS HOLDINGS LLC.
The most recent ACRIS deed transfer for this BBL was recorded on November 8, 2022 when MCLAREN, RONALD conveyed the property to FLATTS HOLDINGS LLC for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 17, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Head OfficerRonald McLaren
- Corporate OwnerFlatts Holdings LLC
- Managing AgentPlaza Heights Management
- Site ManagerDuke Saunders
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,520 sqft
- Building area:
- 2,280 sqft
- Floors:
- 3
- Assessed value:
- $684K
- Community district:
- 308
- Council district:
- 35
HPD violations
Recent HPD violation details
- Class AInspected Apr 9, 2024(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class IInspected Nov 22, 2023§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class AInspected Feb 23, 2022(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class AInspected Apr 7, 2021(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class CInspected May 7, 2002SECTION 27-2010, 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE FLOOR THRU OUT A…
Recent ACRIS activity
Frequently asked questions about 643 CARLTON AVENUE
Who owns 643 CARLTON AVENUE?
The current registered owner of record for 643 CARLTON AVENUE per NYC PLUTO is FLATTS HOLDINGS LLC. The most recent ACRIS deed transfer for this BBL was recorded on November 8, 2022 when the property was conveyed to FLATTS HOLDINGS LLC. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 643 CARLTON AVENUE last sold?
The most recent ACRIS deed transfer for 643 CARLTON AVENUE was recorded on November 8, 2022, when MCLAREN, RONALD conveyed the property to FLATTS HOLDINGS LLC for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 643 CARLTON AVENUE have?
No open HPD housing-maintenance code violations are on record for 643 CARLTON AVENUE as of May 17, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 643 CARLTON AVENUE?
NYC Department of Finance assesses 643 CARLTON AVENUE at $684K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 643 CARLTON AVENUE and what does that mean?
643 CARLTON AVENUE is NYC building class C2 — Walk-up, five to six. A 3-to-6-story walk-up apartment building, 5-6 residential units. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.