947 recorded events, 1966–2026, from 19 city data systems. The city's paper trail here is mostly 297 HPD complaints, 284 311 service requests, 221 HPD housing violations.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 81% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty points per 10 units; this building carries 88.3. In ZIP 10033, 41% of residential buildings hold an A and 10% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 42 total — 15 class C (immediately hazardous), 22 class B, 5 class A. Oldest open since 2019-04-24. |
status snapshot refreshed weekly from HPD records
50 heat or hot-water complaints in the last three years (winter 2023–24: 4 · winter 2024–25: 10 · winter 2025–26: 24 · winter 2026–27: 10). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
60 service requests in the last three years. Most common: HEAT/HOT WATER (22) · DOOR/WINDOW (7) · PLUMBING (7) · GENERAL (6) · PAINT/PLASTER (4) · Illegal Parking (3).
No permitted work with a declared cost filed in the last decade. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.
| Yes | Built before 1974 (1917) |
| Yes | Six or more residential units (21) |
| 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) | 521 W 180 LLC |
| Head officer | Ian Lagowitz |
| Managing agent | ESTATE REALTY GROUP INC |
| Last registered | 2026-06-09 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,270,000 | $1,021,500 |
| 2026 | $2,431,000 | $1,093,950 |
| 2027 | $2,462,000 | $1,107,900 |
The city's market estimate has risen 8% between tax years 2025 and 2027.
| 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 | 181 St — 1 · 600 ft straight-line (about a 3-minute walk) · station accessibility: none 181 St — A · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: W 181 St / Amsterdam Av — Bx3 Bx11 Bx13 Bx35 +1 more · 250 ft |
| Citi Bike | Amsterdam Ave & W 180 St · 350 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: 103, 132 Middle: 143, 346, 348. 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.
521 West 180 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 |
60 311 service requests from this address in the last three years — 22 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 ESTATE REALTY GROUP INC — 28 buildings, 648 units. Grades across the portfolio: A3 · B8 · C11 · D5 · F1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 580 St Nicholas Avenue | MN | 92 | B |
| 736 Riverside Drive | MN | 60 | D |
| 2363 7 Avenue | MN | 46 | C |
| 245 Sullivan Place | BK | 40 | C |
| 3820 Broadway | MN | 37 | A |
| 106 Convent Avenue | MN | 34 | A |
| 3750 Broadway | MN | 34 | C |
| 3760 Broadway | MN | 32 | B |
| 510 West 134 Street | MN | 32 | C |
| 3336 Perry Avenue | BX | 27 | D |
| 605 West 141 Street | MN | 24 | C |
| 535 West 155 Street | MN | 21 | C |
| 521 West 180 Street | MN | 21 | B |
| 539 West 155 Street | MN | 21 | B |
| 320 East 126 Street | MN | 20 | A |
| 513 West 134 Street | MN | 20 | B |
| 145 West 138 Street | MN | 13 | C |
| 145 Allen Street | MN | 10 | B |
| 419 East 114 Street | MN | 10 | C |
| 247 New York Avenue | BK | 9 | B |
| 212 Hull Street | BK | 8 | C |
| 214 Hull Street | BK | 8 | C |
| 683 East 234 Street | BX | 6 | D |
| 60 West 130 Street | MN | 6 | B |
| 685 East 234 Street | BX | 6 | C |
| 22 East 130 Street | MN | 4 | D |
| 20 East 130 Street | MN | 4 | F |
| 2056 Madison Avenue | MN | 3 | D |
Most recent mortgage recorded against this lot: $212,922 on 2012-09-20 (lender: Investors 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 |
|---|---|---|---|
| 2019-11-21 | AL&R $3,375,000 — from 521 W 180 LLC to CONNECTONE BANK | $3,375,000 | |
| 2019-11-21 | Deed $4,505,000 — from 521 W. 180 STREET LLC to 521 W 180 LLC | $4,505,000 | |
| 2019-11-21 | M&CON $3,375,000 — from 521 W 180 LLC to CONNECTONE BANK | $3,375,000 | |
| 2019-11-08 | Sold for $4,505,000 | $4,505,000 | $214,524 |
| 2015-07-30 | AL&R $3,000,000 — from 521 W. 180 STREET LLC to SIGNATURE BANK | $3,000,000 | |
| 2015-07-30 | Agreement $3,000,000 — from 521 W. 180 STREET LLC to SIGNATURE BANK | $3,000,000 | |
| 2012-09-20 | AL&R $2,268,750 — from 521 W 180 STREET LLC to INVESTORS BANK | $2,268,750 | |
| 2012-09-20 | Mortgage $212,923 — from 521 W 180 STREET LLC to INVESTORS BANK | $212,923 | |
| 2012-09-20 | Agreement $2,268,750 — from 521 W 180 STREET LLC to INVESTORS BANK | $2,268,750 | |
| 2007-08-28 | Agreement $2,205,000 — from WASHINGTON MUTUAL BANK to 521W. 180 STREET LLC | $2,205,000 | |
| 2007-08-28 | AL&R $2,205,000 — from 521W. 180 STREET LLC to WASHINGTON MUTUAL BANK | $2,205,000 | |
| 2007-08-09 | Mortgage $454,876 — from 521 W. 180TH STREET LLC to WASHINGTON MUTUAL BANK | $454,876 | |
| 2005-05-23 | Mortgage $1,122,851 — from 521 W. 180 STREET LLC to CITIBANK, N.A. | $1,122,851 | |
| 2005-05-23 | AL&R $1,800,000 — from CITIBANK, N.A. to 521 W. 180 STREET LLC | $1,800,000 | |
| 2005-05-23 | Deed $2,350,000 — from 180TH STREET EQUITIES INC. to 521 W. 180 STREET LLC | $2,350,000 |
| Year | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 1 | 92 | 1 | 3 | 97 |
| 2018 | 1 | 69 | 0 | 2 | 72 |
| 2019 | 0 | 118 | 6 | 2 | 126 |
| 2020 | 0 | 21 | 0 | 1 | 22 |
| 2021 | 0 | 73 | 0 | 1 | 74 |
| 2022 | 0 | 65 | 0 | 2 | 67 |
| 2023 | 0 | 68 | 0 | 2 | 70 |
| 2024 | 0 | 19 | 0 | 3 | 22 |
| 2025 | 0 | 43 | 0 | 2 | 45 |
| 2026 | 1 | 76 | 4 | 3 | 84 |
Every one of the 947 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10033 · Landlord rankings · How grades work · The map · The Mice Map