654 recorded events, 1968–2026, from 16 city data systems. The city's paper trail here is mostly 229 311 service requests, 135 HPD complaints, 94 HPD housing violations.
Full record, year by year Support this site
A sustained record of distress well beyond its peers. More recorded distress than 95% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty points per 10 units; this building carries 358.5. In ZIP 11238, 51% of residential buildings hold an A and 10% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 11 total — 4 class C (immediately hazardous), 6 class B, 1 class A. Oldest open since 2024-01-18. |
| Pending HPD litigation | 1 case(s) pending in housing court |
status snapshot refreshed weekly from HPD records
73 heat or hot-water complaints in the last three years (winter 2023–24: 11 · winter 2024–25: 7 · winter 2025–26: 31). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$10,000 in enforcement penalties imposed (ECB/OATH) in the last three years.
76 service requests in the last three years. Most common: HEAT/HOT WATER (31) · Dirty Condition (8) · Noise (5) · Illegal Parking (4) · Rodent (4) · UNSANITARY CONDITION (3).
$316,000 in permitted construction work filed since 2016 (5 filings with a declared cost) — a rough measure of how actively the owner maintains the building. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.
| Yes | Built before 1974 (1931) |
| Yes | Six or more residential units (8) |
| Yes | 421-a / J-51 tax benefit on the current tax roll |
3 of 3 signals present. Buildings receiving 421-a or J-51 benefits are generally required to register their units as rent-stabilized for the duration of the benefit. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | PROSPECT AFFORDABLE PACKAGE LLC |
| Head officer | MATTHEW KELLER |
| Managing agent | NIEUW AMSTERDAM PROPERTY MANAGEMENT |
| Last registered | 2025-06-30 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,729,600 | $778,320 |
| 2026 | $1,844,000 | $829,800 |
| 2027 | $1,763,000 | $793,350 |
The city's market estimate has risen 2% between tax years 2025 and 2027.
Tax exemptions on the roll: J51
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Not in a hurricane evacuation zone.
Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.
No street-flooding or sewer-backup complaints on record at this address.
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | Park Pl — S · 850 ft straight-line (about a 4-minute walk) · station accessibility: full Franklin Av — C S · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: Classon Av / Bergen St — B48 · 200 ft |
| Citi Bike | Classon Ave & St Marks Ave · 350 ft · station location as of 2026-09-23; live availability |
| Bike facility | Painted bike lane mapped within 75 ft |
| School zones (2024–25 map) | Elementary: Brooklyn Arts and Science Elementary School Middle: Ebbets Field Middle School. Confirm with the DOE's school search. |
Distances are straight-line, not walking routes. Transit locations from the MTA and Citi Bike, bike facilities from NYC DOT, school zones from the DOE's 2024–25 maps.
667 Classon Avenue
| Heat or hot water | Heat or hot water |
| Apartment maintenance | Apartment maintenance |
| Bed bugs | Bed bugs |
| Residential pests | Residential pests |
| Rats or mice | Rats or mice |
| Anything else | Anything else |
76 311 service requests from this address in the last three years — 31 of them about heat or hot water.
311 will ask for the address, the apartment if the problem is inside, and what's wrong. Contact details are optional for most complaints; food-poisoning reports can be anonymous. Complaints appear in the city's public 311 data, usually within a day or two, and then in the Live from 311 box on this page.
Managed by NIEUW AMSTERDAM PROPERTY MANAGEMENT — 194 buildings, 6,794 units. Grades across the portfolio: A6 · B43 · C72 · D58 · F15. See the whole portfolio
showing 60 of 194 buildings
Most recent mortgage recorded against this lot: $3,300,000 on 2021-11-12 (lender: Sterling National Bank), covering 14 lots — the amount covers all of them. Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2024-12-09 | Agreement $91,230,000 — from BRIARWOOD AFFORDABLE LLC; HP MJM HOUSING DEVELOPMENT FUND COMPANY,; HP BRIARWOOD HOUSING D to GOLDMAN SACHS BANK USA | $91,230,000 | |
| 2021-11-12 | AL&R $21,000,000 — from HP MJM HOUSING DEVELOPMENT FUND COMPANY,; PROSPECT AFFORDABLE PACKAGE LLC to STERLING NATIONAL BANK | $21,000,000 | |
| 2021-11-12 | Agreement $21,000,000 — from PROSPECT AFFORDABLE PACKAGE LLC; HP MJM HOUSING DEVELOPMENT FUND COMPANY, to STERLING NATIONAL BANK | $21,000,000 | |
| 2021-11-12 | Mortgage $3,300,000 — from PROSPECT AFFORDABLE PACKAGE LLC; HP MJM HOUSING DEVELOPMENT FUND COMPANY, to STERLING NATIONAL BANK | $3,300,000 | |
| 2021-07-27 | Agreement $17,700,000 — from PROSPECT AFFORDABLE PACKAGE LLC; HP MJM HOUSING DEVELOPMENT FUND COMPANY, to ROCKROSE LLC | $17,700,000 | |
| 2021-07-27 | Mortgage $798,802 — from PROSPECT AFFORDABLE PACKAGE LLC; HP MJM HOUSING DEVELOPMENT FUND COMPANY, to ROCKROSE LLC | $798,802 | |
| 2021-07-27 | Deed $22,072,796 — from 1020 PACIFIC LLC; 667 CLASSON LLC; 634 CLASSON LLC; 649-651 CLASSON LLC; 818 BERGEN LLC; 6 to PROSPECT AFFORDABLE PACKAGE LLC; HP MJM HOUSING DEVELOPMENT FUND COMPANY, | $22,072,796 | |
| 2021-06-24 | Sold for $22,072,796 | $22,072,796 | $2,759,100 |
| 2016-12-05 | Mortgage $8,833,842 — from 649-651 CLASSON LLC; 489 ST MARKS LLC; 634 CLASSON LLC; 515 ST MARKS LLC; 818 BERGEN LLC; to COSTOMERS BANK | $8,833,842 | |
| 2016-12-05 | AL&R $18,500,000 — from 663 CLASSON LLC; 634 CLASSON LLC; 489 ST MARKS LLC; 818 BERGEN LLC; 808 BERGEN LLC; 667 CL to COSTOMERS BANK | $18,500,000 | |
| 2016-12-05 | Agreement $18,500,000 — from 1020 PACIFIC LLC; 592 FRANKLIN LLC; 667 CLASSON LLC; 483 ST MARKS LLC; 634 CLASSON LLC; 48 to COSTOMERS BANK | $18,500,000 | |
| 2014-05-06 | Deed $16,000,000 — from CLASSON VILLAGE, L.P to 872 BERGEN LLC; 643 FRANKLIN LLC; 634 CLASSON LLC; 483 ST MARKS LLC; 818 BERGEN LLC; 1063 | $16,000,000 | |
| 2014-05-06 | AL&R $10,200,000 — from 808 BERGEN LLC; 592 FRANKLIN LLC; 489 ST MARKS LLC; 872 BERGEN LLC; 634 CLASSON LLC; 1063 to CAPITAL ONE NATIONAL ASSOCIATION | $10,200,000 | |
| 2014-05-06 | Agreement $10,200,000 — from 1063 PACIFIC LLC; 667 CLASSON LLC; 643 FRANKLIN LLC; 489 ST MARKS LLC; 663 CLASSON LLC; 81 to CAPITAL ONE NATIONAL ASSOCIATION | $10,200,000 | |
| 2014-05-06 | Mortgage $3,300,000 — from 872 BERGEN LLC; 663 CLASSON LLC; 643 FRANKLIN LLC; 634 CLASSON LLC; 818 BERGEN LLC; 483 ST to CAPITAL ONE NATIONAL ASSOCIATION | $3,300,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 3 | 0 | 20 | 0 | 2 | 25 |
| 2018 | 5 | 0 | 19 | 0 | 5 | 29 |
| 2019 | 2 | 6 | 47 | 0 | 3 | 58 |
| 2020 | 0 | 1 | 14 | 0 | 2 | 17 |
| 2021 | 0 | 0 | 10 | 21 | 5 | 36 |
| 2022 | 0 | 2 | 49 | 1 | 8 | 60 |
| 2023 | 0 | 4 | 55 | 1 | 13 | 73 |
| 2024 | 0 | 0 | 43 | 3 | 7 | 53 |
| 2025 | 0 | 2 | 41 | 2 | 6 | 51 |
| 2026 | 0 | 0 | 83 | 0 | 4 | 87 |
Every one of the 654 recorded events, 1968–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11238 · Landlord rankings · How grades work · The map · The Mice Map