5820 21 AVENUE
5820 21 AVENUE is a Class S1 (one-family + store) building in Brooklyn (BBL 3055070048) built in 1931, with 2 residential units.
The current registered owner of record per NYC PLUTO is CONGREGATION BEIS MORDECHAI SEMIHAI.
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 OfficerISAC GOLDBERGER
- Corporate OwnerCONG BAIS MORDECHAI SEMIHAI
- Managing AgentCONG BEIS MORDECHAI SEMIHAI
- Site ManagerSHLOIME PERLSTEIN
Most recent deed
Building stats
HPD violations
Recent HPD violation details
- Class IInspected Nov 18, 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 BInspected Aug 15, 2025§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVI…
- Class AInspected Aug 15, 2025§ 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION RISER IN THE 2nd BATHROOM FROM NORTH LOCATED AT APT 2, 2nd STORY, 1st APA…
- Class AInspected Aug 15, 2025§ 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION RISER IN THE 1st BATHROOM FROM NORTH LOCATED AT APT 2, 2nd STORY, 1st APA…
- Class BInspected Aug 15, 2025§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN AC…
Frequently asked questions about 5820 21 AVENUE
Who owns 5820 21 AVENUE?
The current registered owner of record for 5820 21 AVENUE per NYC PLUTO is CONGREGATION BEIS MORDECHAI SEMIHAI. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 5820 21 AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 5820 21 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 5820 21 AVENUE have?
No open HPD housing-maintenance code violations are on record for 5820 21 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 building class is 5820 21 AVENUE and what does that mean?
5820 21 AVENUE is NYC building class S1 — One-family + store. A one-family dwelling with one store unit. 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.