1,043 recorded events, 1993–2026, from 18 city data systems. The city's paper trail here is mostly 273 311 service requests, 224 ACRIS deeds & mortgages, 95 DOF property sales.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. Less recorded distress than 56% of 100+-unit residential buildings citywide. The citywide median for 100+-unit residential buildings is 3.7 penalty points per 10 units; this building carries 2.6. In ZIP 10463, 74% of residential buildings hold an A and 5% grade D or F. How grades work
Among 4,677 100+-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 9 total — 1 class C (immediately hazardous), 8 class B, 0 class A. Oldest open since 2014-02-24. |
status snapshot refreshed weekly from HPD records
2 heat or hot-water complaints in the last three years (winter 2025–26: 2).
No bedbug-infested units reported in the last three years of filings.
$25,000 in enforcement penalties imposed (ECB/OATH) in the last three years.
91 service requests in the last three years. Most common: Noise (45) · Illegal Parking (21) · Water System (3) · General Construction/Plumbing (3) · Street Sign (2) · Lead (2).
$5,130,510 in permitted construction work filed since 2016 (20 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 (1953) |
| Yes | Six or more residential units (240) |
| No | 421-a / J-51 tax benefit on the current tax roll |
2 of 3 signals present. This is the classic profile of a rent-stabilized building (pre-1974, 6+ units) — many units in such buildings remain stabilized. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | KNOLLS COOPERATIVE SECT #1 INC. |
| Head officer | JOAN CARROLL |
| Managing agent | ROBERT E. HILL, INC. |
| Last registered | 2025-10-02 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $20,065,000 | $9,029,250 |
| 2026 | $20,323,000 | $9,145,350 |
| 2027 | $21,111,000 | $9,499,950 |
The city's market estimate has risen 5% between tax years 2025 and 2027.
Tax exemptions on the roll: COLD WAR VETERAN - DISABILITY · DISABLED HOMEOWNER · SENIOR CITIZEN HOMEOWNER
For property tax, the Department of Finance values this co-op as if it were a rental building. Its 2021 estimate: gross income $4,846,364 a year ($20.38 per sq ft), operating expenses $2,078,372 ($8.74 per sq ft), net operating income $2,767,992. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | C — ENERGY STAR score 64/100 (2022 disclosure cycle) |
| Heating fuel | NO2FUEL |
| Facade (Local Law 11) | SWARMP — "Safe With A Repair and Maintenance Program": known facade conditions that must be repaired (cycle 9) |
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 2010 (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 | Marble Hill-225 St — 1 · 0.5 mi straight-line (about a 13-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Kappock St / Knolls Cres — Bx10 Bx20 BxM1 BxM2 +1 more · 300 ft |
| Citi Bike | Knolls Crescent & Kappock St · 250 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 024 Spuyten Duyvil Middle: Riverdale / Kingsbridge Academy (Middle School / High School 141). 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.
60 Knolls Crescent
| 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 |
91 311 service requests from this address in the last three years — 1 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 ROBERT E. HILL, INC. — 35 buildings, 2,299 units. Grades across the portfolio: A30 · B3 · C1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 25 Knolls Crescent | BX | 252 | A |
| 60 Knolls Crescent | BX | 240 | A |
| 3850 Sedgwick Avenue | BX | 122 | A |
| 3388 Wayne Avenue | BX | 104 | B |
| 3635 Johnson Avenue | BX | 82 | A |
| 3515 Henry Hudson Pkwy W | BX | 79 | A |
| 255 Fieldston Terrace | BX | 76 | A |
| 620 West 239 Street | BX | 76 | A |
| 315 West 232 Street | BX | 72 | A |
| 75 West 238 Street | BX | 72 | A |
| 2530 Independence Avenue | BX | 69 | A |
| 2465 Palisade Avenue | BX | 69 | A |
| 251 Seaman Avenue | MN | 67 | A |
| 60 Cooper Street | MN | 61 | A |
| 3030 Johnson Avenue | BX | 60 | A |
| 2390 Palisade Avenue | BX | 60 | A |
| 3206 Fairfield Avenue | BX | 56 | A |
| 190 E Mosholu Parkway S | BX | 55 | B |
| 2711 Henry Hudson Pkwy W | BX | 51 | A |
| 91 Van Cortlandt Ave E | BX | 50 | A |
| 3720 Independence Avenue | BX | 49 | A |
| 518 Ft Washington Avenue | MN | 47 | B |
| 3810 Greystone Avenue | BX | 44 | A |
| 645 West 239 Street | BX | 43 | A |
| 6291 Broadway | BX | 42 | A |
| 528 West 111 Street | MN | 41 | A |
| 241 West 108 Street | MN | 40 | A |
| 532 West 111 Street | MN | 40 | A |
| 1028 Amsterdam Avenue | MN | 38 | A |
| 239 West 108 Street | MN | 37 | A |
| 510 Kappock Street | BX | 34 | A |
| 3220 Arlington Avenue | BX | 26 | A |
| 3816 Waldo Avenue | BX | 24 | A |
| 562 West 190 Street | MN | 21 | C |
| 2057960152 | — | — |
Most recent mortgage recorded against this lot: $750,000 on 2022-04-08 (lender: National Consumer Cooperative Bank), covering 2 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 |
|---|---|---|---|
| 2026-08-14 | RPTT&RET $182,367 — from JOANNE BONNIE SAPERSTEIN, CO-EXECUTOR; ESTATE OF HANNELORE ROSENBAUM; WENDY OPPENHEIMER, C to LYNN FEINMAN REVOCABLE TRUST; LYNN FEINMAN, TRUSTEE | $182,367 | |
| 2026-08-13 | Sold for $182,367 | $182,367 | $760 |
| 2026-06-17 | RPTT&RET $178,729 — from CHAPLER, JENNIFER to VARENTSOV, ILYA; VARENTSOVA, ANNA | $178,729 | |
| 2026-05-29 | Sold for $178,729 | $178,729 | $745 |
| 2026-05-26 | RPTT&RET $196,011 — from MORGAN, GALE to AUSTIN, JUDITH; DE PINHO, HELEN | $196,011 | |
| 2026-05-22 | RPTT&RET $165,086 — from ESTATE OF ROSALINDA LEVITSKY to DE LA CRUZ, JOSE M; INFANTE, YANMANUEL | $165,086 | |
| 2026-05-21 | Sold for $165,086 | $165,086 | $688 |
| 2026-05-07 | Sold for $196,011 | $196,011 | $817 |
| 2026-02-04 | RPTT&RET $165,086 — from LLANOS, JOSE to CORTES, MICHAEL | $165,086 | |
| 2026-01-29 | Sold for $165,086 | $165,086 | $688 |
| 2025-11-25 | RPTT&RET $181,003 — from THE KNOLLS COOPERATIVE SECTION NO. 1, IN to QUINSAC, ANNIE-PAULE | $181,003 | |
| 2025-11-20 | Sold for $181,003 | $181,003 | $754 |
| 2025-10-30 | RPTT&RET $232,029 — from ROBERT MARGOLIS, TRUSTEE; THE BLANCHE MARGOLIS IRREVOCABLE TRUST to FARLAND, MARIA; APPUHN, KARL | $232,029 | |
| 2025-10-21 | Sold for $232,029 | $232,029 | $967 |
| 2025-10-08 | RPTT&RET $184,641 — from DONOHUE, SEAN to ADEMI FERIZI, VLORA | $184,641 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 5 | 3 | 7 | 9 | 4 | 28 |
| 2018 | 4 | 3 | 14 | 12 | 1 | 34 |
| 2019 | 3 | 1 | 35 | 6 | 14 | 59 |
| 2020 | 3 | 10 | 13 | 10 | 2 | 38 |
| 2021 | 0 | 2 | 52 | 10 | 3 | 67 |
| 2022 | 0 | 2 | 38 | 39 | 4 | 83 |
| 2023 | 11 | 3 | 42 | 31 | 2 | 89 |
| 2024 | 11 | 3 | 45 | 23 | 4 | 86 |
| 2025 | 23 | 8 | 19 | 35 | 2 | 87 |
| 2026 | 6 | 2 | 45 | 15 | 3 | 71 |
Every one of the 1,043 recorded events, 1993–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10463 · Landlord rankings · How grades work · The map · The Mice Map