1,059 recorded events, 1972–2026, from 18 city data systems. The city's paper trail here is mostly 389 311 service requests, 285 HPD complaints, 208 HPD housing violations.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 73% of 25-99-unit residential buildings citywide. The citywide median for 25-99-unit residential buildings is 23.6 penalty points per 10 units; this building carries 75.2. In ZIP 11237, 39% of residential buildings hold an A and 15% grade D or F. How grades work
Among 17,252 25-99-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 53 total — 18 class C (immediately hazardous), 21 class B, 14 class A. Oldest open since 2018-09-07. |
status snapshot refreshed weekly from HPD records
21 heat or hot-water complaints in the last three years (winter 2023–24: 6 · winter 2024–25: 7 · winter 2025–26: 8). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$1,562 in enforcement penalties imposed (ECB/OATH) in the last three years.
63 service requests in the last three years. Most common: UNSANITARY CONDITION (12) · HEAT/HOT WATER (10) · PLUMBING (8) · Noise (8) · DOOR/WINDOW (6) · PAINT/PLASTER (4).
$4,803,938 in permitted construction work filed since 2016 (4 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.
| No | Built before 1974 (1998) |
| Yes | Six or more residential units (43) |
| No | 421-a / J-51 tax benefit on the current tax roll |
1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | KNICKERBOCKER SQUARE ASSOCIATES LP |
| Head officer | ISMAEL FELICIANO |
| Managing agent | RISEBORO COMMUNITY PARTNERSHIP |
| Last registered | 2025-09-25 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $4,761,000 | $2,142,450 |
| 2026 | $4,723,000 | $2,125,350 |
| 2027 | $4,673,000 | $2,102,850 |
The city's market estimate has fallen 2% between tax years 2025 and 2027.
Tax exemptions on the roll: 420C
| Energy grade (LL33) | B — ENERGY STAR score 82/100 (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
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.
1 street-flooding or sewer-backup complaints at this address since 2011 (0 in the last three years).
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | Knickerbocker Av — M · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: none Myrtle-Wyckoff Avs — L M · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: Gates Av / Knickerbocker Av — B52 · 100 ft |
| Citi Bike | Linden St & Knickerbocker Ave · 200 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 116 Elizabeth L Farrell Middle: J.H.S. 291 Roland Hayes. 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.
561 Knickerbocker 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 |
63 311 service requests from this address in the last three years — 10 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 RISEBORO COMMUNITY PARTNERSHIP — 141 buildings, 2,793 units. Grades across the portfolio: A30 · B43 · C30 · D28 · F8. See the whole portfolio
showing 60 of 141 buildings
Most recent mortgage recorded against this lot: $2,000,000 on 2002-07-16 (lender: Knickerbocker Squareassociates LP), covering 4 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 |
|---|---|---|---|
| 2021-10-19 | RPTT&RET $2,090,834 — from CENTERLINE CORPORATE PARTNERS X LP; RELATED CORPORATE X SLP, L.P. to KNICKERBOCKER SQUARE HOUSING DEVELOPMENT | $2,090,834 | |
| 2006-01-30 | Agreement $215,000 — from KNICKERBOCKER SQUARE ASSOCIATES, L.P. to THE COMMUNITY PRESERVATION CORPORATION | $215,000 | |
| 2002-07-16 | Mortgage $2,000,000 — from HOUSING TRUST FUND CORPORATION; COMMUNITY PRESERVATION CORPORATION to KNICKERBOCKER SQUAREASSOCIATES LP | $2,000,000 | |
| 2002-07-16 | Mortgage $215,000 — from KNICKERBOCKER SQAUREASSOCIATION LP to COMMUNITY PRESERVATION CORPORATION | $215,000 | |
| 1999-01-28 | Mortgage $2,000,000 — from KNICKERBOCKER SQUAREASSOCIATES L P to HOUSING TRUST FUND CORPORATION | $2,000,000 | |
| 1999-01-28 | Mortgage $2,000,000 — from KNICKERBOCKER SQUAREASSOCIATES L P to DIME SAVINGS BANK OFNEW YORK | $2,000,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 45 | 0 | 0 | 45 |
| 2018 | 2 | 2 | 136 | 0 | 9 | 149 |
| 2019 | 3 | 13 | 123 | 0 | 3 | 142 |
| 2020 | 0 | 3 | 53 | 0 | 6 | 62 |
| 2021 | 0 | 7 | 39 | 2 | 4 | 52 |
| 2022 | 0 | 3 | 52 | 0 | 5 | 60 |
| 2023 | 0 | 5 | 225 | 0 | 5 | 235 |
| 2024 | 0 | 1 | 62 | 0 | 5 | 68 |
| 2025 | 0 | 2 | 68 | 0 | 1 | 71 |
| 2026 | 0 | 0 | 27 | 0 | 1 | 28 |
Every one of the 1,059 recorded events, 1972–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11237 · Landlord rankings · How grades work · The map · The Mice Map