3921 9 AVENUE
3921 9 AVENUE is a Class S9 (misc mixed-use) building in Brooklyn (BBL 3055830001) built in 1930, with 5 residential units across 3 floors.
The building is in NYC community district 312, council district 38, zoning district R6, on a 2,375-square-foot lot with a building footprint of 4,800 square feet.
The current registered owner of record per NYC PLUTO is 3917 LLC..
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
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 OfficerGRAZIA MANNINO
- Managing AgentJOSEPH FIORELLO
- Joint OwnerCESARE MANNINO
- Joint OwnerJOSEPH FIORELLLO
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R6
- Lot size:
- 2,375 sqft
- Building area:
- 4,800 sqft
- Floors:
- 3
- Assessed value:
- $246K
- Community district:
- 312
- Council district:
- 38
HPD violations
Recent HPD violation details
- Class AInspected Apr 30, 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 20, 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 Jun 5, 2025(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 3, 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 AInspected Mar 20, 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…
Recent ACRIS activity
Frequently asked questions about 3921 9 AVENUE
Who owns 3921 9 AVENUE?
The current registered owner of record for 3921 9 AVENUE per NYC PLUTO is 3917 LLC.. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 3921 9 AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 3921 9 AVENUE in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 3921 9 AVENUE have?
No open HPD housing-maintenance code violations are on record for 3921 9 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 3921 9 AVENUE?
NYC Department of Finance assesses 3921 9 AVENUE at $246K 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 3921 9 AVENUE and what does that mean?
3921 9 AVENUE is NYC building class S9 — Misc mixed-use. Miscellaneous mixed residential and commercial building. 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.