324 21 STREET
324 21 STREET is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3008980021) built in 1931, with 4 residential units across 4 floors.
The building is in NYC community district 307, council district 39, zoning district R6B, on a 1,553-square-foot lot with a building footprint of 3,432 square feet.
The current registered owner of record per NYC PLUTO is 324 21ST STREET 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 OfficerKATERINA MOUTZOUROULIA
- Corporate Owner324 21 ST LLC
- Site ManagerAndrew Moutzouroulias
Most recent deed
Recent ACRIS documents (last 2)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,553 sqft
- Building area:
- 3,432 sqft
- Floors:
- 4
- Assessed value:
- $519K
- Community district:
- 307
- Council district:
- 39
HPD violations
Recent HPD violation details
- Class AInspected May 1, 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 BInspected Nov 25, 2025§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE BELL BUZZER/INTERCOM SYSTEM FROM MAIN INTERCOM AT BUILDING ENTRANCE TO APA…
- Class BInspected Nov 25, 2025§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE BATHROOM LOCATED AT APT…
- Class BInspected Nov 25, 2025§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 2nd ROOM FROM NORTH LOCA…
- Class BInspected Nov 25, 2025§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING HEAT RISER ESCUTCHEON PLATE AT CEILING AT WEST IN THE 2nd ROOM FROM NORTH LOCATED AT APT 2,…
Recent ACRIS activity
Frequently asked questions about 324 21 STREET
Who owns 324 21 STREET?
The current registered owner of record for 324 21 STREET per NYC PLUTO is 324 21ST STREET LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 324 21 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 324 21 STREET 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 324 21 STREET have?
No open HPD housing-maintenance code violations are on record for 324 21 STREET 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 324 21 STREET?
NYC Department of Finance assesses 324 21 STREET at $519K 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 324 21 STREET and what does that mean?
324 21 STREET 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.