737 recorded events, 1975–2026, from 21 city data systems. The city's paper trail here is mostly 277 311 service requests, 121 DOB permits, 61 DOB complaints.
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 69% of 100+-unit residential buildings citywide. The citywide median for 100+-unit residential buildings is 3.7 penalty points per 10 units; this building carries 1.4. In ZIP 10011, 68% of residential buildings hold an A and 5% grade D or F. How grades work
Among 4,677 100+-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 2 total — 1 class C (immediately hazardous), 0 class B, 1 class A. Oldest open since 2025-11-17. |
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.
40 service requests in the last three years. Most common: Noise (8) · Illegal Parking (7) · Litter Basket Request (4) · Missed Collection (3) · Encampment (3) · UNSANITARY CONDITION (3).
$308,650 in permitted construction work filed since 2016 (7 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 (2011) |
| Yes | Six or more residential units (111) |
| 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) | EQR-CHELSEA, LLC |
| Head officer | JIM VONALBADE |
| Managing agent | EQUITY RESIDENTIAL MANAGEMENT, LLC |
| Last registered | 2024-09-26 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $45,349,000 | $20,407,050 |
| 2026 | $47,201,000 | $21,240,450 |
| 2027 | $49,043,000 | $22,069,350 |
The city's market estimate has risen 8% between tax years 2025 and 2027.
Tax exemptions on the roll: 421A 10 YR NO CAP
| Energy grade (LL33) | C — ENERGY STAR score 63/100 (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
| Facade (Local Law 11) | SAFE (cycle 9) |
In the FEMA 1%-annual-chance floodplain (2015 preliminary flood maps) — lenders typically require flood insurance here.
Hurricane evacuation zone 1 of 6 — zone 1 evacuates first.
Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.
1 street-flooding or sewer-backup complaints at this address since 2011 (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 | 23 St — C E · 0.3 mi straight-line (about a 9-minute walk) · station accessibility: none 14 St — A C E L · 0.5 mi straight-line (about a 12-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: W 23 St / 10 Av — M23-SBS · 150 ft · Select Bus Service |
| Citi Bike | W 22 St & 10 Ave · 250 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 011: The Sarah J. Garnet Elementary School Middle: M.S. 297. 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.
500 West 23 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 |
40 311 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 EQUITY RESIDENTIAL MANAGEMENT, LLC — 24 buildings, 4,949 units. Grades across the portfolio: A18 · B6. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 180 Riverside Boulevard | MN | 516 | A |
| 111 Lawrence Street | BK | 492 | B |
| 240 East 27 Street | MN | 325 | A |
| 777 Avenue of the Americas | MN | 294 | A |
| 831 8 Avenue | MN | 293 | A |
| 747 2 Avenue | MN | 269 | A |
| 303 East 83 Street | MN | 261 | A |
| 400 West 37 Street | MN | 259 | A |
| 71 Broadway | MN | 237 | B |
| 170 Amsterdam Avenue | MN | 236 | A |
| 750 Columbus Avenue | MN | 207 | B |
| 180 Montague Street | BK | 193 | A |
| 228 West 71 Street | MN | 169 | A |
| 41 West 86 Street | MN | 166 | A |
| 815 10 Avenue | MN | 164 | A |
| 720 Columbus Avenue | MN | 163 | B |
| 50 West 77 Street | MN | 137 | B |
| 600 Washington Street | MN | 136 | A |
| 53 North 3 Street | BK | 113 | A |
| 500 West 23 Street | MN | 111 | A |
| 431 West 37 Street | MN | 98 | A |
| 508 West 55 Street | MN | 58 | A |
| 261 North 9 Street | BK | 42 | A |
| 238 West 71 Street | MN | 10 | B |
Most recent mortgage recorded against this lot: $20,600,000 on 2024-08-07 (lender: John Hancock Life Insurance Company (U.S.A.)). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-09-22 | RPTT $2,126,354,644 — from EQUITY RESIDENTIAL (OBO PUBLIC SHAREHOLD to AVALONBAY COMMUNITIES, INC. (OBO PUBLIC | $2,126,354,644 | |
| 2024-08-07 | AL&R $20,600,000 — from 500 WEST 23RD STREET GROUND OWNER LLC to JOHN HANCOCK LIFE INSURANCE COMPANY (U.S | $20,600,000 | |
| 2024-08-07 | Mortgage $20,600,000 — from 500 WEST 23RD STREET GROUND OWNER LLC to JOHN HANCOCK LIFE INSURANCE COMPANY (U.S | $20,600,000 | |
| 2023-04-25 | RPTT $6,001,000 — from SAFEHOLD INC. to ISTAR INC. | $6,001,000 | |
| 2021-08-09 | RPTT&RET $46,500,000 — from SHARON F. COOPER, TRUSTEE; HARMOSA LLC; THE FAMILY TRUST U/A THIRD OF THE BRICK ; THE MARI to 500 WEST 23RD STREET GROUND OWNER LLC | $46,500,000 | |
| 2010-01-06 | RPTT&RET $11,250,000 — from BOYMELGREEN 10 CHELSEA II LLC; BOYMELGREEN 10 CHELSEA I LLC to EQR-CHELSEA LLC | $11,250,000 | |
| 2010-01-06 | RPTT&RET $750,000 — from SILO CINEMA, INC. to EQR-CHELSEA, LLC | $750,000 | |
| 2008-03-18 | ASSTO $8,854,650 — from AI PROPERTIES AND DEVELOPMENTS (USA) COR to BOYMELGREEN 23 WALL OWNERS LLC; BOYMELGREEN FAMILY LLC | $8,854,650 | |
| 1983-02-22 | Mortgage $175,000 — from BRICK, RICHARD to BRICK, SYLVIA | $175,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 3 | 2 | 15 | 0 | 9 | 29 |
| 2018 | 3 | 5 | 9 | 0 | 7 | 24 |
| 2019 | 8 | 2 | 12 | 0 | 8 | 30 |
| 2020 | 1 | 3 | 10 | 0 | 5 | 19 |
| 2021 | 2 | 2 | 39 | 1 | 6 | 50 |
| 2022 | 0 | 1 | 36 | 0 | 5 | 42 |
| 2023 | 0 | 1 | 14 | 2 | 5 | 22 |
| 2024 | 0 | 1 | 14 | 8 | 11 | 34 |
| 2025 | 1 | 0 | 23 | 0 | 5 | 29 |
| 2026 | 2 | 0 | 10 | 1 | 1 | 14 |
Every one of the 737 recorded events, 1975–2026, is laid out year by year in the full report (print-ready).
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