NYC Building Records · BBL 3011410043
634 CLASSON AVENUE
Brooklyn · Block 1141 · Lot 43 · Class S9
Owner of record
HP MJM HOUSING DEVELOPMENT FUND COMPANY, INC.,
HPD-registered head officer: MATTHEW KELLER
HPD registered contacts
People legally accountable to HPD for conditions at this building, in registration-priority order:
- Head OfficerMATTHEW KELLER
- Corporate OwnerPROSPECT AFFORDABLE PACKAGE LLC
- Managing AgentNIEUW AMSTERDAM PROPERTY MANAGEMENT
- Site ManagerGABE STONE
Most recent deed
Last transferred on Jun 24, 2021 for $22.1M to HP MJM HOUSING DEVELOPMENT FUND COMPANY, INC.,; PROSPECT AFFORDABLE PACKAGE LLC.
Previous owner: 634 CLASSON LLC; 663 CLASSON LLC; 667 CLASSON LLC; 643 FRANKLIN LLC; 483 ST MARKS LLC; 489 ST MARKS LLC; 515 ST MARKS LLC; 649-651 CLASSON LLC; 1020 PACIFIC LLC; 1063 PACIFIC LLC; 592 FRANKLIN LLC; 808 BERGEN LLC; 818 BERGEN LLC; 872 BERGEN LLC
Mortgage: $17.7M recorded Jun 24, 2021 with Rockrose Llc. Loan-to-value: 80%.
🔒 See full deed history for this building →Recent ACRIS documents (last 5)
DateTypeAmountParties
Oct 25, 2021AGMT$21.0MParties redacted — full names in MetroDeeds Scout+
Oct 25, 2021MTGE$3.3MParties redacted — full names in MetroDeeds Scout+
Jun 24, 2021AGMT$17.7MParties redacted — full names in MetroDeeds Scout+
Jun 24, 2021MTGE$799KParties redacted — full names in MetroDeeds Scout+
Jun 24, 2021DEED$22.1MParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →Building stats
Units
8
Year built
1931
Class
S9
Borough
Brooklyn
- Zoning:
- R6A
- Lot size:
- 2,450 sqft
- Building area:
- 6,250 sqft
- Floors:
- 4
- Assessed value:
- $1.1M
- Community district:
- 308
- Council district:
- 35
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 AInspected Oct 30, 2025§ 53, 187, 231 M/D LAW AND DEPARTMENT RULES AND REGULATIONS. PROVIDE A SHOE PROPERLY SECURED TO BOTTOM OF STRING OF DROPLADDER SHOE AT NORTH…
- Class AInspected Apr 15, 2022§ 27-2011 ADM CODE CLEANSE TO THE SATISFACTION OF THIS DEPARTMENT THE CERAMIC TILES SURFACE WITH GROUTED JOINTS OF VISIBLE MOLD AT SOUTH WAL…
- Class AInspected Apr 15, 2022§ 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE INOPERATIVE INTERCOM SYSTEM FROM BUILDING FRONT ENTRANCE TO PANEL AT NORTH WALL I…
- Class BInspected Apr 15, 2022§ 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE INOPERATIVE LIGHT FIXTURE AT CEILING AT PUBLIC HALL, 2nd STORY
- Class BInspected Apr 15, 2022§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2B, 2nd STORY, 1s…
Recent ACRIS activity
5 documents in the last 5 years (most recent Oct 25, 2021).
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