427 GRAHAM AVENUE
427 GRAHAM AVENUE is a Class S1 (one-family + store) building in Brooklyn (BBL 3027390023) built in 1920, with 2 residential units across 2 floors.
The building is in NYC community district 301, council district 34, zoning district R6A, on a 2,433-square-foot lot with a building footprint of 2,532 square feet.
The current registered owner of record per NYC PLUTO is 427 GRAHAM SIBLINGS LLC.
The most recent ACRIS deed transfer for this BBL was recorded on November 6, 2024 when MICHAEL CASELLA - SUCCESSOR EXECUTOR; ESTATE OF VINCENT DEVITA conveyed the property to CIORCIARI, MARY - JO; CASELLA, FRANK M 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 18, 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 OfficerMichael Casella
- Corporate Owner427 Graham Avenue LLC
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6A
- Lot size:
- 2,433 sqft
- Building area:
- 2,532 sqft
- Floors:
- 2
- Assessed value:
- $141K
- Community district:
- 301
- Council district:
- 34
HPD violations
Recent HPD violation details
- Class AInspected May 4, 2026(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 18, 2025§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 Mar 23, 2023(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 7, 2022§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 IInspected Feb 25, 2022§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…
Recent ACRIS activity
Frequently asked questions about 427 GRAHAM AVENUE
Who owns 427 GRAHAM AVENUE?
The current registered owner of record for 427 GRAHAM AVENUE per NYC PLUTO is 427 GRAHAM SIBLINGS LLC. The most recent ACRIS deed transfer for this BBL was recorded on November 6, 2024 when the property was conveyed to CIORCIARI, MARY - JO; CASELLA, FRANK M. 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 427 GRAHAM AVENUE last sold?
The most recent ACRIS deed transfer for 427 GRAHAM AVENUE was recorded on November 6, 2024, when MICHAEL CASELLA - SUCCESSOR EXECUTOR; ESTATE OF VINCENT DEVITA conveyed the property to CIORCIARI, MARY - JO; CASELLA, FRANK M for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 427 GRAHAM AVENUE have?
No open HPD housing-maintenance code violations are on record for 427 GRAHAM AVENUE as of May 18, 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 427 GRAHAM AVENUE?
NYC Department of Finance assesses 427 GRAHAM AVENUE at $141K 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 427 GRAHAM AVENUE and what does that mean?
427 GRAHAM AVENUE is NYC building class S1 — One-family + store. A one-family dwelling with one store unit. 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.