1,517 recorded events, 1900–2026, from 18 city data systems. The city's paper trail here is mostly 556 311 service requests, 398 HPD complaints, 182 ACRIS deeds & mortgages.
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 53% 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 20.2. In ZIP 10463, 74% of residential buildings hold an A and 5% 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 | 42 total — 7 class C (immediately hazardous), 20 class B, 15 class A. Oldest open since 1996-01-04. |
status snapshot refreshed weekly from HPD records
188 heat or hot-water complaints in the last three years (winter 2023–24: 56 · winter 2024–25: 62 · winter 2025–26: 70). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
135 service requests in the last three years. Most common: HEAT/HOT WATER (94) · Noise (12) · Illegal Parking (9) · Water System (4) · Street Sweeping Complaint (2) · Sewer (2).
$454,028 in permitted construction work filed since 2016 (19 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 (1940) |
| Yes | Six or more residential units (92) |
| 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) | Greystone Owners Ic |
| Head officer | George Timko |
| Managing agent | Garthchester Realty |
| Last registered | 2025-12-11 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $8,464,000 | $3,808,800 |
| 2026 | $7,551,000 | $3,397,950 |
| 2027 | $8,673,000 | $3,902,850 |
The city's market estimate has risen 2% between tax years 2025 and 2027.
Tax exemptions on the roll: SENIOR CITIZEN HOMEOWNER
For property tax, the Department of Finance values this co-op as if it were a rental building. Its 2022 estimate: gross income $2,055,741 a year ($17.39 per sq ft), operating expenses $1,048,558 ($8.87 per sq ft), net operating income $1,007,183. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | A — ENERGY STAR score 100/100 (2022 disclosure cycle) |
| Heating fuel | NO2FUEL |
| Facade (Local Law 11) | SAFE (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.
2 street-flooding or sewer-backup complaints at this address since 2024 (2 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 | 238 St — 1 · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Riverdale Av / W 236 St — Bx7 · 500 ft |
| Citi Bike | W 238 St & Tibbett Ave · 800 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.
3636 Greystone 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 |
135 311 service requests from this address in the last three years — 94 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 GARTHCHESTER REALTY — 35 buildings, 4,341 units. Grades across the portfolio: A31 · B4. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 102-10 66 Road | QN | 498 | A |
| 217-02 75 Avenue | QN | 296 | A |
| 73-36 Springfield Blvd | QN | 276 | A |
| 66-36 Yellowstone Blvd | QN | 244 | A |
| 3777 Independence Avenue | BX | 195 | B |
| 73-69 217 Street | QN | 194 | A |
| 5500 Fieldston Road | BX | 188 | B |
| 750 Kappock Street | BX | 160 | A |
| 4555 Henry Hudson Pkwy W | BX | 159 | A |
| 83-40 Austin Street | QN | 148 | A |
| 4525 Henry Hudson Pkwy W | BX | 145 | A |
| 2550 Independence Avenue | BX | 142 | B |
| 5-49 Borden Avenue | QN | 132 | A |
| 219-02 74 Avenue | QN | 126 | A |
| 2727 Palisade Avenue | BX | 124 | A |
| 102-17 64 Road | QN | 120 | A |
| 5355 Henry Hudson Pkwy W | BX | 105 | A |
| 3636 Greystone Avenue | BX | 92 | A |
| 3755 Henry Hudson Pkwy W | BX | 92 | A |
| 3725 Henry Hudson Pkwy W | BX | 86 | A |
| 3001 Henry Hudson Pkwy W | BX | 85 | A |
| 102-40 67 Drive | QN | 80 | A |
| 37-14 34th Street | QN | 77 | A |
| 5775 Mosholu Avenue | BX | 68 | B |
| 2734 Independence Avenue | BX | 67 | A |
| 41-26 27 Street | QN | 66 | A |
| 640 West 231 Street | BX | 61 | A |
| 66-10 Yellowstone Blvd | QN | 60 | A |
| 4601 Henry Hudson Pkwy W | BX | 52 | A |
| 44-15 Purves Street | QN | 48 | A |
| 10-46 Jackson Avenue | QN | 48 | A |
| 76-26 113 Street | QN | 47 | A |
| 141 Sullivan Street | MN | 20 | A |
| 143 Sullivan Street | MN | 20 | A |
| 145 Sullivan Street | MN | 20 | A |
Most recent mortgage recorded against this lot: $500,000 on 2026-07-15 (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 |
|---|---|---|---|
| 2026-07-15 | AL&R $500,000 — from 3636 GREYSTONE OWNERS, INC. to NATIONAL CONSUMER COOPERATIVE BANK | $500,000 | |
| 2026-07-15 | Mortgage $7,000,000 — from 3636 GREYSTONE OWNERS, INC. to NATIONAL CONSUMER COOPERATIVE BANK | $7,000,000 | |
| 2026-07-15 | AL&R $7,000,000 — from 3636 GREYSTONE OWNERS, INC. to NATIONAL CONSUMER COOPERATIVE BANK | $7,000,000 | |
| 2026-07-15 | Mortgage $500,000 — from 3636 GREYSTONE OWNERS, INC. to NATIONAL CONSUMER COOPERATIVE BANK | $500,000 | |
| 2026-02-11 | RPTT&RET $310,000 — from DOMINICK CALDERONI, EXECUTOR; THE ESTATE OF BRUCE DAIN to ARONNE, KEVIN | $310,000 | |
| 2026-02-04 | Sold for $310,000 | $310,000 | $3,370 |
| 2025-04-11 | RPTT&RET $215,000 — from DEONARIAN, NAYTRAM to GOODMAN, LAURA | $215,000 | |
| 2025-04-09 | Sold for $215,000 | $215,000 | $2,337 |
| 2024-08-29 | RPTT&RET $223,080 — from COBY GREYSTONE LLC to CANTARELLA, ANNETTE | $223,080 | |
| 2024-05-14 | RPTT $228,000 — from DUIGNAN, INGA J; DUIGNAN, THOMAS J to MCCABE, NICOLE | $228,000 | |
| 2024-04-02 | Sold for $228,000 | $228,000 | $2,478 |
| 2024-01-18 | RPTT&RET $190,000 — from BOCHINIS, DIMITRIS to HIDALGO, EMMANUEL | $190,000 | |
| 2023-07-31 | RPTT&RET $475,000 — from BERRIER, HERVE; BERRIER, TIFFANY; BERRIER, CLAUDINE to FREER, BENJAMIN; FREER, ROBYN | $475,000 | |
| 2023-07-31 | RPTT&RET $475,000 — from BERRIER, HERVE; BERRIER, TIFFANY; BERRIER, CLAUDINE to FREER, BENJAMIN; FREER, ROBYN | $475,000 | |
| 2023-06-15 | Sold for $190,000 | $190,000 | $2,065 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 3 | 5 | 51 | 7 | 0 | 66 |
| 2018 | 3 | 1 | 108 | 8 | 2 | 122 |
| 2019 | 4 | 2 | 89 | 8 | 1 | 104 |
| 2020 | 2 | 7 | 44 | 2 | 1 | 56 |
| 2021 | 6 | 1 | 91 | 9 | 2 | 109 |
| 2022 | 12 | 2 | 70 | 13 | 2 | 99 |
| 2023 | 4 | 1 | 41 | 7 | 1 | 54 |
| 2024 | 0 | 1 | 84 | 4 | 2 | 91 |
| 2025 | 0 | 1 | 131 | 2 | 1 | 135 |
| 2026 | 0 | 1 | 34 | 17 | 1 | 53 |
Every one of the 1,517 recorded events, 1900–2026, 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