NYC Building Records · BBL 3022470004
584 BROADWAY
Brooklyn · Block 2247 · Lot 4 · Class S9
Owner of record
23 THROOP LLC
HPD-registered head officer: Joel Halberstam
HPD registered contacts
People legally accountable to HPD for conditions at this building, in registration-priority order:
- Head OfficerJoel Halberstam
- Corporate Owner23 Throop LLC
- Managing AgentNBM Management LLC
- Site ManagerGabriel Dorfman
Most recent deed
Last transferred on Jul 15, 2025 for $2.4M to 23 THROOP LLC.
Previous owner: SJR CO. OF BROOKLYN LTD.
Mortgage: $1.1M recorded Jul 15, 2025 with American Community Bank. Loan-to-value: 48%.
🔒 See full deed history for this building →Recent ACRIS documents (last 2)
DateTypeAmountParties
Jul 15, 2025MTGE$1.1MParties redacted — full names in MetroDeeds Scout+
Jul 15, 2025DEED$2.4MParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →Building stats
Units
6
Year built
1910
Class
S9
Borough
Brooklyn
- Zoning:
- R6
- Lot size:
- 2,387 sqft
- Building area:
- 5,565 sqft
- Floors:
- 3
- Assessed value:
- $473K
- Community district:
- 301
- Council district:
- 33
HPD violations
0 open
Most severe class on record: Class C (immediately hazardous)
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 CInspected Jan 18, 2026§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
- Class BInspected Jan 18, 2026§ 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…
- Class BInspected Jan 18, 2026§ 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 Jun 6, 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 9, 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…
Recent ACRIS activity
2 documents in the last 5 years (most recent Jul 15, 2025).
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