312 EAST 21 STREET
312 EAST 21 STREET is a Class D1 (elevator, semi-fireproof) building in Brooklyn (BBL 3051240012) built in 1940, with 54 residential units across 6 floors.
NYC PLUTO does not list a registered owner of record for this BBL.
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 OfficerYida Stern
- Corporate Owner312 East 21 Holding LLC
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Floors:
- 6
- Assessed value:
- $1.5M
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 BInspected Apr 7, 2026§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING AND NORTH WALL IN THE BATHROOM LOCATED AT…
- Class CInspected Apr 7, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1F, 1st STORY, 2nd APARTMENT FROM…
- Class BInspected Apr 7, 2026§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND NORTH WALL IN THE BATHROOM…
- Class AInspected Apr 7, 2026§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 1O SQFT AT EAST AND SOUTH WALL IN THE 2nd ROO…
Recent ACRIS activity
Frequently asked questions about 312 EAST 21 STREET
Who owns 312 EAST 21 STREET?
NYC PLUTO does not list a registered owner of record for this BBL, and MetroDeeds shows no confirmed ACRIS deed transfer in the last 5 years of recorded NYC public-records data.
When was 312 EAST 21 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 312 EAST 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 312 EAST 21 STREET have?
No open HPD housing-maintenance code violations are on record for 312 EAST 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 312 EAST 21 STREET?
NYC Department of Finance assesses 312 EAST 21 STREET at $1.48M 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 312 EAST 21 STREET and what does that mean?
312 EAST 21 STREET is NYC building class D1 — Elevator, semi-fireproof. A semi-fireproof elevator apartment 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.