1,634 recorded events, 2004–2026, from 18 city data systems. The city's paper trail here is mostly 1,171 ACRIS deeds & mortgages, 220 311 service requests, 54 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 76% 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 4.2. 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 | 3 total — 0 class C (immediately hazardous), 3 class B, 0 class A. Oldest open since 2019-08-08. |
status snapshot refreshed weekly from HPD records
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
$9,900 in enforcement penalties imposed (ECB/OATH) in the last three years.
135 service requests in the last three years. Most common: Illegal Parking (100) · General Construction/Plumbing (10) · Litter Basket Request (6) · Noise (4) · Snow or Ice (2) · Illegal Dumping (1).
$525,000 in permitted construction work filed since 2016 (10 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 (2006) |
| Yes | Six or more residential units (65) |
| Yes | 421-a / J-51 tax benefit on the current tax roll |
2 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) | THE SOLARIA CONDOMINIUM |
| Head officer | STEPHEN COHEN |
| Managing agent | ORSID NY |
| Last registered | 2025-09-12 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $160,755 | $72,339 |
| 2026 | $167,474 | $75,363 |
| 2027 | $166,343 | $74,854 |
The city's market estimate has risen 3% between tax years 2025 and 2027.
Tax exemptions on the roll: 421A 15 YR NO CAP
For property tax, the Department of Finance values this condo as if it were a rental building. Its 2023 estimate: gross income $3,321,989 a year ($20.27 per sq ft), operating expenses $1,727,369 ($10.54 per sq ft), net operating income $1,594,621. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | D — ENERGY STAR score 4/100, posted at the entrance by law (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
| 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 2017 (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 16-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Henry Hudson Pkwy West / W 237 St — Bx10 Bx20 · 50 ft |
| Citi Bike | W 235 St & Independence Ave · 850 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.
640 West 237 Street
| 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.
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 ORSID NY — 243 buildings, 30,702 units. Grades across the portfolio: A227 · B13 · C2. See the whole portfolio
showing 60 of 243 buildings
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-06-11 | Mortgage $760,000 — from NEWHOUSE, REBECCA; GRUNDMAN, MARK to MERS | $760,000 | |
| 2026-06-11 | Deed $950,000 — from HAGEMEIER, LUISA K to NEWHOUSE, REBECCA; GRUNDMAN, MARK | $950,000 | |
| 2026-05-21 | Mortgage $465,000 — from PRAWOKO, VINCENT SETIAWAN to BANK OF AMERICA NA; MERS-MORTGAGE ELECTRONIC REGISTRATION SY | $465,000 | |
| 2026-05-21 | Deed $965,000 — from ZWERLING, ALISON; ZWERLING, CRAIG to PRAWOKO, VINCENT SETIAWAN | $965,000 | |
| 2026-05-18 | Sold for $950,000 | $950,000 | $14,615 |
| 2026-05-13 | Sold for $965,000 | $965,000 | $14,846 |
| 2026-04-22 | Mortgage $624,761 — from IANACHKOVA, IANITZA to MORTGAGE ELECTRONIC REGISTRATION SYSTEMS; BANK OF AMERICA, N.A. | $624,761 | |
| 2025-12-12 | Mortgage $100,000 — from BAI, MATTHEW YUZHANG; BAI, LAURA LYNNE to NEWTEK BANK, NATIONAL ASSOCIATION | $100,000 | |
| 2025-01-29 | Deed $1,087,000 — from RIVERDALE HEIGHTS I LLC to MILLER, ALFRED; MILLER, FOLANA | $1,087,000 | |
| 2025-01-24 | Sold for $1,087,000 | $1,087,000 | $16,723 |
| 2024-06-06 | Deed $1,750,000 — from JONATHAN JAVITCH AS TRUSTEE; THE ARTICLE EIGHT CREDIT SHELTER TRUST U to BLOCH, EMMANUEL; BLOCH-ELKOUBY, SARAH | $1,750,000 | |
| 2024-06-03 | Sold for $1,750,000 | $1,750,000 | $26,923 |
| 2024-05-09 | Mortgage $340,000 — from DESHPANDE, SATISH K to MERS; AFMC MORTGAGE | $340,000 | |
| 2024-05-09 | Deed $940,000 — from ESTATE OF EVA B. COHN to DESHPANDE, SATISH K | $940,000 | |
| 2024-04-25 | Sold for $940,000 | $940,000 | $14,462 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 3 | 76 | 1 | 80 |
| 2018 | 0 | 5 | 7 | 38 | 0 | 50 |
| 2019 | 2 | 1 | 23 | 61 | 3 | 90 |
| 2020 | 0 | 3 | 8 | 11 | 2 | 24 |
| 2021 | 0 | 1 | 21 | 21 | 4 | 47 |
| 2022 | 0 | 6 | 13 | 42 | 2 | 63 |
| 2023 | 0 | 5 | 19 | 34 | 4 | 62 |
| 2024 | 0 | 1 | 75 | 15 | 2 | 93 |
| 2025 | 14 | 8 | 21 | 12 | 4 | 59 |
| 2026 | 5 | 14 | 33 | 13 | 7 | 72 |
Every one of the 1,634 recorded events, 2004–2026, 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