NYC Building Records · BBL 3011060027
21 PROSPECT PARK SW
Brooklyn · Block 1106 · Lot 27 · Walk-up apartment (Class C0)
Owner of record
NADER, RONALD J
HPD-registered head officer: VICTOR NADER
HPD registered contacts
People legally accountable to HPD for conditions at this building, in registration-priority order:
- Head OfficerVICTOR NADER
- Managing AgentDawn NADER
- Joint OwnerCAMILLE NADER
Most recent deed
Last transferred on Nov 29, 2010 to Nader, Ronald J.
Previous owner: Nader, Victor (deceased); Nader, Ronald J
Cash sale: no recorded mortgage tied to this transfer.
🔒 See full deed history for this building →Recent ACRIS documents (last 3)
DateTypeAmountParties
Nov 29, 2010DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Nov 29, 2010DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Aug 25, 2009MTGE$250KParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →Building stats
Units
3
Year built
1899
Class
C0
Borough
Brooklyn
- Zoning:
- R6A
- Lot size:
- 1,615 sqft
- Building area:
- 2,898 sqft
- Floors:
- 3
- Assessed value:
- $169K
- Community district:
- 307
- Council district:
- 39
HPD violations
0 open
Most severe class on record: Class B
No open violations on record. Source: NYC HPD.
🔒 See full violation history →Recent HPD violation details
Most recent 5 violations issued by NYC HPD at this address:
- Class IInspected Nov 19, 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 10, 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 AInspected Apr 11, 2024(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, 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…
- Class AInspected Mar 24, 2023(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…
Recent ACRIS activity
3 documents in the last 5 years (most recent Nov 29, 2010).
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