668 recorded events, 1966–2026, from 17 city data systems. The city's paper trail here is mostly 155 ACRIS deeds & mortgages, 106 311 service requests, 92 DOB permits.
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 91% 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 0.7. 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
No current HPD flags in the latest weekly snapshot: no open violations, no pending litigation, no active vacate orders, and not in the Alternative Enforcement Program.
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
$1,250 in enforcement penalties imposed (ECB/OATH) in the last three years.
11 service requests in the last three years. Most common: Noise (4) · Missed Collection (2) · Plumbing (1) · Illegal Dumping (1) · Overgrown Tree/Branches (1) · PLUMBING (1).
$2,130,821 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 (1952) |
| Yes | Six or more residential units (86) |
| 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) | THE BLACKSTONE OWNERS |
| Head officer | TWAHIRA KHAN |
| Managing agent | GARTHCHESTER REALTY |
| Last registered | 2025-11-10 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $8,372,000 | $3,767,400 |
| 2026 | $8,667,000 | $3,900,150 |
| 2027 | $9,547,000 | $4,296,150 |
The city's market estimate has risen 14% 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 $2,396,006 a year ($20.58 per sq ft), operating expenses $1,310,934 ($11.26 per sq ft), net operating income $1,085,072. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | B — ENERGY STAR score 74/100 (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
| 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.
1 street-flooding or sewer-backup complaints at this address since 2012 (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 | 238 St — 1 · 0.6 mi straight-line (about a 15-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Henry Hudson Pkwy East / W 238 St — Bx10 Bx20 · 250 ft |
| Citi Bike | W 238 St & Riverdale 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.
3725 Henry Hudson Pkwy W
| 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 |
11 311 service requests from this address in the last three years.
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: $1,644,235 on 2026-06-10 (lender: Apple Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-09-18 | RPTT&RET $79,460 — from SHOSHANA M SCHWARTZ ADMINISTRATOR; ESTATE OF JEFFREY BERNSTEIN to THE BLACKSTONE OWNERS INC | $79,460 | |
| 2026-09-10 | Sold for $79,460 | $79,460 | $924 |
| 2026-07-27 | RPTT&RET $300,000 — from ROJAS OLIVO, HECTOR RAFAEL to HILL, ARNOLD; JERVIS-HILL, CHEREESE | $300,000 | |
| 2026-07-13 | Sold for $300,000 | $300,000 | $3,488 |
| 2026-06-22 | RPTT&RET $152,500 — from ECCLES, PATRICIA; ECCLES, SARAH; ECCLES, EUGENE to ACEVEDO, KATHERINE; ACEVEDO, ALEX; ACEVEDO, NINA | $152,500 | |
| 2026-06-10 | Agreement $2,000,000 — from THE BLACKSTONE OWNERS, INC. to APPLE BANK | $2,000,000 | |
| 2026-06-10 | Mortgage $1,644,235 — from THE BLACKSTONE OWNERS, INC. to APPLE BANK | $1,644,235 | |
| 2026-06-10 | AL&R $2,000,000 — from THE BLACKSTONE OWNERS, INC. to APPLE BANK | $2,000,000 | |
| 2026-05-08 | Sold for $152,500 | $152,500 | $1,773 |
| 2026-04-02 | RPTT&RET $375,000 — from VINAS, ERICA A to LUNDIN, STELLA R; LUNDIN, JUSTIN | $375,000 | |
| 2026-03-25 | Sold for $375,000 | $375,000 | $4,360 |
| 2025-10-29 | RPTT&RET $225,000 — from ESTATE OF RHODA FREND; JEREMY FREND, EXECUTOR to CUTLER, AYELET; CUTLER, MARCUS | $225,000 | |
| 2025-10-23 | Sold for $225,000 | $225,000 | $2,616 |
| 2025-10-06 | RPTT&RET $245,000 — from FORERO, ENRIQUE to ALVAREZ, MARIA E; ALVAREZ, LUIS | $245,000 | |
| 2025-09-26 | Sold for $245,000 | $245,000 | $2,849 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 2 | 15 | 19 | 8 | 0 | 44 |
| 2018 | 0 | 7 | 9 | 6 | 1 | 23 |
| 2019 | 11 | 2 | 5 | 4 | 2 | 24 |
| 2020 | 6 | 3 | 2 | 0 | 1 | 12 |
| 2021 | 4 | 3 | 10 | 6 | 1 | 24 |
| 2022 | 10 | 5 | 34 | 7 | 3 | 59 |
| 2023 | 0 | 6 | 8 | 11 | 3 | 28 |
| 2024 | 2 | 1 | 7 | 10 | 1 | 21 |
| 2025 | 5 | 2 | 6 | 12 | 2 | 27 |
| 2026 | 16 | 3 | 0 | 14 | 1 | 34 |
Every one of the 668 recorded events, 1966–2026, 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