50 EAST 21 STREET
50 EAST 21 STREET is a Class D1 (elevator, semi-fireproof) building in Brooklyn (BBL 3050620051) built in 1936, with 59 residential units across 6 floors.
The building is in NYC community district 314, council district 40, zoning district R7A, on a 19,500-square-foot lot with a building footprint of 71,282 square feet.
The current registered owner of record per NYC PLUTO is PROSPECT 21ST 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 OfficerScott Silverman
- Corporate OwnerProspect 21, LLC
- Managing AgentBronstein Properties LLC
- Site ManagerShawn White
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R7A
- Lot size:
- 19,500 sqft
- Building area:
- 71,282 sqft
- Floors:
- 6
- Assessed value:
- $1.6M
- Community district:
- 314
- Council district:
- 40
HPD violations
Recent HPD violation details
- Class CInspected Apr 8, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4E, 4th STORY, 1st APARTMENT FR…
- Class CInspected Mar 13, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4E, 4th STORY, 1st APARTMENT FROM…
- Class BInspected Mar 13, 2026§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE PRIVATE HALLWAY LOCATED AT APT 4E, 4th ST…
- Class BInspected Mar 13, 2026§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 3rd ROOM FROM NORTH AT EAST LOCATED AT AP…
- Class CInspected Mar 13, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4E, 4th STORY, 1st APARTMENT FR…
Recent ACRIS activity
Frequently asked questions about 50 EAST 21 STREET
Who owns 50 EAST 21 STREET?
The current registered owner of record for 50 EAST 21 STREET per NYC PLUTO is PROSPECT 21ST LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 50 EAST 21 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 50 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 50 EAST 21 STREET have?
No open HPD housing-maintenance code violations are on record for 50 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 50 EAST 21 STREET?
NYC Department of Finance assesses 50 EAST 21 STREET at $1.55M 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 50 EAST 21 STREET and what does that mean?
50 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.