421 CLINTON AVENUE
421 CLINTON AVENUE is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3019610018) built in 1878, with 4 residential units across 3 floors.
The building is in NYC community district 302, council district 35, zoning district R6B, on a 2,208-square-foot lot with a building footprint of 3,300 square feet.
The current registered owner of record per NYC PLUTO is 421 CLINTON AVENUE, 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 OfficerRUTH MIRABELLA
- Corporate Owner421 CLINTON AVENUE LLC
Most recent deed
Activity timeline
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R6B
- Lot size:
- 2,208 sqft
- Building area:
- 3,300 sqft
- Floors:
- 3
- Assessed value:
- $689K
- Community district:
- 302
- Council district:
- 35
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 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 9, 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 IInspected Nov 29, 2024§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 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…
Recent ACRIS activity
Frequently asked questions about 421 CLINTON AVENUE
Who owns 421 CLINTON AVENUE?
The current registered owner of record for 421 CLINTON AVENUE per NYC PLUTO is 421 CLINTON AVENUE, LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 421 CLINTON AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 421 CLINTON 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 421 CLINTON AVENUE have?
No open HPD housing-maintenance code violations are on record for 421 CLINTON 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 421 CLINTON AVENUE?
NYC Department of Finance assesses 421 CLINTON AVENUE at $689K 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 421 CLINTON AVENUE and what does that mean?
421 CLINTON AVENUE is NYC building class C3 — Walk-up, pre-1929. A walk-up apartment building constructed before 1929, typically 3-6 stories and often rent-stabilized. 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.