859 recorded events, 1899–2026, from 19 city data systems. The city's paper trail here is mostly 278 311 service requests, 197 HPD housing violations, 177 HPD complaints.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More 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 87.7. In ZIP 10032, 36% of residential buildings hold an A and 14% 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 | 4 total — 1 class C (immediately hazardous), 3 class B, 0 class A. Oldest open since 1996-04-26. |
status snapshot refreshed weekly from HPD records
20 heat or hot-water complaints in the last three years (winter 2023–24: 2 · winter 2025–26: 18). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$6,250 in enforcement penalties imposed (ECB/OATH) in the last three years.
48 service requests in the last three years. Most common: Noise (19) · HEAT/HOT WATER (10) · WATER LEAK (4) · UNSANITARY CONDITION (3) · FLOORING/STAIRS (2) · PAINT/PLASTER (2).
$25,005 in permitted construction work filed since 2016 (1 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 (1914) |
| Yes | Six or more residential units (31) |
| 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) | 633 WEST 171 WH REALTY LLC |
| Head officer | CHRIS SPYROPOULOS |
| Managing agent | ALMA REALTY CORP |
| Last registered | 2025-08-25 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,882,000 | $846,900 |
| 2026 | $2,129,000 | $958,050 |
| 2027 | $2,130,000 | $958,500 |
The city's market estimate has risen 13% between tax years 2025 and 2027.
| Energy grade (LL33) | D — ENERGY STAR score 40/100, posted at the entrance by law (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.
No street-flooding or sewer-backup complaints on record at this address.
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | 168 St — 1 A C · 650 ft straight-line (about a 3-minute walk) · station accessibility: partial |
| Bus | Nearest boarding stop: Broadway / W 172 St — Bx7 M5 M100 · 200 ft |
| Citi Bike | W 171 St & St Nicholas Ave · 450 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S./I.S. 173 Fort Washington School in the Heights Middle: 319, 324. 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.
633 West 171 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 |
48 311 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 ALMA REALTY CORP — 155 buildings, 7,629 units. Grades across the portfolio: A38 · B64 · C45 · D7 · F1. See the whole portfolio
showing 60 of 155 buildings
Most recent mortgage recorded against this lot: $1,587,831 on 2021-02-01 (lender: Sterling National Bank), 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 |
|---|---|---|---|
| 2021-02-01 | Deed $6,000,000 — from WASHINGTON HEIGHTS PARTNERS LLC; OMEGA GINOBLI PARTNERS LLC; SES REALTY GROUP LLC; ASJM RE to 633 W 171 WH REALTY LLC | $6,000,000 | |
| 2021-02-01 | Agreement $13,000,000 — from 636 WEST 172 WH REALTY LLC; 633 W 171 WH REALTY LLC; 643 W 172 WH REALTY LLC; 642 W 172 WH to STERLING NATIONAL BANK | $13,000,000 | |
| 2021-02-01 | AL&R $13,000,000 — from 633 W 171 WH REALTY LLC; 636 WEST 172 WH REALTY LLC; 643 W 172 WH REALTY LLC; 642 W 172 WH to STERLING NATIONAL BANK | $13,000,000 | |
| 2021-02-01 | Mortgage $1,587,832 — from 642 W 172 WH REALTY LLC; 643 W 172 WH REALTY LLC; 633 W 171 WH REALTY LLC; 636 WEST 172 WH to STERLING NATIONAL BANK | $1,587,832 | |
| 2021-01-21 | Sold for $6,000,000 | $6,000,000 | $193,548 |
| 2018-10-26 | Agreement $3,580,000 — from JPMORGAN CHASE BANK, N.A. to NECO PARTNERS LLC; ASJM REALTY ASSOCIATES LLC; OMEGA GINOBLI PARTNERS, LLC; SES REALTY GRO | $3,580,000 | |
| 2018-10-26 | Mortgage $55,245 — from ASJM REALTY ASSOCIATES LLC; NECO PARTNERS LLC; OMEGA GINOBLI PARTNERS, LLC; WASHINGTON HEI to JPMORGAN CHASE BANK, N.A. | $55,245 | |
| 2014-12-29 | Agreement $3,660,000 — from NECO PARTNERS LLC; WASHINGTON HEIGHTS PARTNERS LLC; SES REALTY GROUP LLC; OMEGA GINOBLI PA to JPMORGAN CHASE BANK, N.A. | $3,660,000 | |
| 2014-12-29 | Mortgage $3,660,000 — from OMEGA GINOBLI PARTNERS LLC; ASJM REALTY ASSOCIATES LLC; SES REALTY GROUP LLC; SALR LLC; NE to JPMORGAN CHASE BANK, N.A. | $3,660,000 | |
| 2014-12-29 | Mortgage $1,335,617 — from WASHINGTON HEIGHTS PARTNERS LLC; SALR LLC; OMEGA GINOBLI PARTNERS LLC; SES REALTY GROUP LL to JPMORGAN CHASE BANK, N.A. | $1,335,617 | |
| 2014-12-29 | Deed $6,678,171 — from 633 W. 171ST STREET LLC to NECO PARTNERS LLC; OMEGA GINOBLI PARTNERS LLC; WASHINGTON HEIGHTS PARTNERS LLC; ASJM REALT | $6,678,171 | |
| 2012-07-16 | AL&R $2,390,000 — from 633 W. 171ST STREET LLC to MARATHON NATIONAL BANK OF NEW YORK | $2,390,000 | |
| 2012-07-16 | Agreement $2,390,000 — from 633 W. 171ST STREET LLC to MARATHON NATIONAL BANK OF NEW YORK | $2,390,000 | |
| 2012-06-22 | Mortgage $440,000 — from 633 W. 171ST STREET LLC to MARATHON NATIONAL BANK OF NEW YORK | $440,000 | |
| 2010-07-06 | Agreement $1,950,000 — from 633 W. 171ST STREET LLC to MARATHON NATIONAL BANK OF NEW YORK | $1,950,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 1 | 7 | 0 | 3 | 11 |
| 2018 | 0 | 0 | 75 | 2 | 18 | 95 |
| 2019 | 0 | 0 | 71 | 0 | 3 | 74 |
| 2020 | 0 | 0 | 17 | 0 | 1 | 18 |
| 2021 | 0 | 15 | 41 | 7 | 2 | 65 |
| 2022 | 0 | 2 | 31 | 0 | 4 | 37 |
| 2023 | 1 | 0 | 47 | 0 | 3 | 51 |
| 2024 | 0 | 2 | 50 | 0 | 3 | 55 |
| 2025 | 0 | 1 | 52 | 0 | 2 | 55 |
| 2026 | 0 | 2 | 19 | 0 | 2 | 23 |
Every one of the 859 recorded events, 1899–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10032 · Landlord rankings · How grades work · The map · The Mice Map