1,355 recorded events, 1988–2026, from 18 city data systems. The city's paper trail here is mostly 619 ACRIS deeds & mortgages, 200 DOB permits, 136 DOB job filings.
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 82% 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 2.3. In ZIP 10011, 68% 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 | 9 total — 1 class C (immediately hazardous), 1 class B, 7 class A. Oldest open since 2018-03-05. |
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.
12 service requests in the last three years. Most common: Street Light Condition (3) · Noise (2) · Homeless Person Assistance (2) · Obstruction (1) · Graffiti (1) · Street Sign (1).
$6,572,318 in permitted construction work filed since 2016 (41 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 (2013) |
| Yes | Six or more residential units (44) |
| No | 421-a / J-51 tax benefit on the current tax roll |
1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | 551WEST 21ST STREET CONDOMINIUM |
| Head officer | KEVIN KORN |
| Managing agent | BROWN HARRIS STEVENS |
| Last registered | 2025-09-08 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $930,816 | $418,868 |
| 2026 | $853,762 | $384,193 |
| 2027 | $476,697 | $214,514 |
The city's market estimate has fallen 49% between tax years 2025 and 2027.
For property tax, the Department of Finance values this condo as if it were a rental building. Its 2021 estimate: gross income $9,758,926 a year ($56.15 per sq ft), operating expenses $2,766,912 ($15.92 per sq ft), net operating income $6,992,014. 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 6/100, posted at the entrance by law (2022 disclosure cycle) |
| 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.
In the city's stormwater flood map only under the extreme-storm scenario (3.66 in/hr cloudburst with 2080 sea levels) — an Ida-scale event.
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 | 23 St — C E · 0.5 mi straight-line (about a 12-minute walk) · station accessibility: none 14 St — A C E L · 0.5 mi straight-line (about a 14-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: 11 Av / W 23 St — M12 · 300 ft |
| Citi Bike | Pier 61 at Chelsea Piers · 350 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.
144 11 Avenue
| 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 |
12 311 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 BROWN HARRIS STEVENS — 160 buildings, 9,488 units. Grades across the portfolio: A156 · B1 · C1. See the whole portfolio
showing 60 of 160 buildings
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-08-18 | Mortgage $750,000 — from CALVELLO, ELISA to THE NORTHERN TRUST COMPANY | $750,000 | |
| 2026-06-17 | Deed $1,825,000 — from ZHU, QIANYI to CALVELLO, ELISA | $1,825,000 | |
| 2026-06-11 | Sold for $1,825,000 | $1,825,000 | $41,477 |
| 2025-10-29 | Mortgage $6,000,000 — from CANCEL, DAVID to ROCKET MORTGAGE LLC; MORTGAGE ELECTRONIC REGISTRATION SYSTEMS | $6,000,000 | |
| 2025-10-10 | Deed $3,850,000 — from KANE, DAVID to PROCTOR, JUDITH; PROCTOR, BRANDON | $3,850,000 | |
| 2025-10-10 | Mortgage $2,350,000 — from PROCTOR, BRANDON; PROCTOR, JUDITH to MERS; MORGAN STANLEY PRIVATE BANK, NATIONAL AS | $2,350,000 | |
| 2025-09-26 | Sold for $3,850,000 | $3,850,000 | $87,500 |
| 2025-09-26 | Sold for $3,850,000 | $3,850,000 | $87,500 |
| 2025-08-01 | Deed $1,995,000 — from KYKL HOLDINGS LIMITED to SUHAS V. PATANKAR, AS TRUSTEE; RAJANI S. PATANKAR, AS TRUSTEE; RAJANI S. PATANKAR REVOCABL | $1,995,000 | |
| 2025-07-18 | Sold for $1,995,000 | $1,995,000 | $45,341 |
| 2025-07-18 | Sold for $1,995,000 | $1,995,000 | $45,341 |
| 2025-07-17 | Deed $8,000,000 — from UNIT 9B, 551W21ST STREET, LLC to PARKER18 LLC | $8,000,000 | |
| 2025-07-07 | Sold for $8,000,000 | $8,000,000 | $181,818 |
| 2025-07-07 | Sold for $8,000,000 | $8,000,000 | $181,818 |
| 2024-10-07 | Mortgage $1,200,000 — from SHAMLOO GORJAEE, MARAL; MALKHOZOV, AYTEK to U.S. BANK NATIONAL ASSOCIATION | $1,200,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 24 | 6 | 7 | 90 | 17 | 144 |
| 2018 | 14 | 4 | 38 | 20 | 10 | 86 |
| 2019 | 9 | 4 | 12 | 6 | 6 | 37 |
| 2020 | 8 | 8 | 12 | 7 | 5 | 40 |
| 2021 | 9 | 1 | 6 | 24 | 3 | 43 |
| 2022 | 24 | 1 | 6 | 122 | 3 | 156 |
| 2023 | 16 | 3 | 17 | 11 | 3 | 50 |
| 2024 | 12 | 2 | 4 | 31 | 5 | 54 |
| 2025 | 13 | 6 | 4 | 20 | 2 | 45 |
| 2026 | 1 | 2 | 3 | 9 | 3 | 18 |
Every one of the 1,355 recorded events, 1988–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10011 · Landlord rankings · How grades work · The map · The Mice Map