872 recorded events, 1988–2026, from 19 city data systems. The city's paper trail here is mostly 489 ACRIS deeds & mortgages, 103 DOB permits, 78 311 service requests.
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 100% 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 0. In ZIP 10011, 68% of residential buildings hold an A and 5% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
No current HPD flags in the latest weekly snapshot: no open violations, no pending litigation, no active vacate orders, and not in the Alternative Enforcement Program.
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
28 service requests in the last three years. Most common: Noise (18) · Illegal Parking (4) · Homeless Person Assistance (2) · Obstruction (1) · Illegal Tree Damage (1) · Dirty Condition (1).
$1,629,460 in permitted construction work filed since 2016 (36 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 (1905) |
| Yes | Six or more residential units (15) |
| 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) | THE CHELSEA QUARTER CONDO |
| Head officer | MARK S HOFFMAN |
| Managing agent | HOFFMAN MANAGEMENT |
| Last registered | 2025-08-05 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $358,708 | $161,419 |
| 2026 | $587,528 | $264,387 |
| 2027 | $592,644 | $266,690 |
The city's market estimate has risen 65% 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 $1,924,137 a year ($59.97 per sq ft), operating expenses $632,716 ($19.72 per sq ft), net operating income $1,291,421. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Heating fuel | NO2FUEL |
| 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).
Hurricane evacuation zone 6 of 6 — zone 1 evacuates first.
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 | 18 St — 1 · 650 ft straight-line (about a 3-minute walk) · station accessibility: none 23 St — F M · 750 ft straight-line (about a 4-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 6 Av / W 20 St — M7 M55 · 450 ft |
| Citi Bike | W 21 St & 6 Ave · 350 ft · station location as of 2026-09-23; live availability |
| Bike facility | Painted bike lane mapped within 75 ft |
| 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.
129 West 20 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 |
28 311 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 HOFFMAN MANAGEMENT — 69 buildings, 3,893 units. Grades across the portfolio: A64 · B4 · D1. See the whole portfolio
showing 60 of 69 buildings
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-07-14 | Mortgage $750,000 — from LIM, CHRISTOPHER WEN KHYE to CITIBANK N.A.; MERS AS NOMINEE FOR | $750,000 | |
| 2026-07-14 | Deed $1,410,000 — from RASMUSSEN, KATHRYN; CARPENTER, KATHRYN MARIE to LIM, CHRISTOPHER WEN KHYE | $1,410,000 | |
| 2026-07-01 | Sold for $1,410,000 | $1,410,000 | $94,000 |
| 2026-05-13 | Deed $3,850,000 — from VAN BLERKOM, LAWRENCE; VAN BLERKOM, CECILIA to O'RIORDAN, PATRICK; FORD, ALEXANDRA | $3,850,000 | |
| 2026-04-30 | Sold for $3,850,000 | $3,850,000 | $256,667 |
| 2022-11-23 | Agreement $700,000 — from YUEN, JENNIFER; YANG, STANLEY to WELLS FARGO BANK, N.A. | $700,000 | |
| 2022-08-16 | Deed $2,395,000 — from GOLDENBERG, DAVID to GILL, JAMES MICHAEL; SIMS, JENNIFER ALAINE | $2,395,000 | |
| 2022-08-08 | Sold for $2,395,000 | $2,395,000 | $159,667 |
| 2022-03-30 | Mortgage $1,725,000 — from BELMONT, JUSTIN to CITIBANK NA; MERS | $1,725,000 | |
| 2022-03-30 | Deed $2,300,000 — from IT'S NOT MANHATTAN LLC to BELMONT, JUSTIN | $2,300,000 | |
| 2022-03-18 | Sold for $2,300,000 | $2,300,000 | $153,333 |
| 2022-02-14 | Mortgage $500,000 — from VAN BLERKOM, LAWRENCE; VAN BLERKOM, CECILIA to TD BANK NA | $500,000 | |
| 2021-01-27 | Mortgage $13,999,999 — from IT'S NOT MANHATTAN LLC to FIRST REPUBLIC BANK | $13,999,999 | |
| 2021-01-27 | Deed $1,999,999 — from OSIFCHIN, GARY P; WOLFE, WESLEY I to IT'S NOT MANHATTAN LLC | $1,999,999 | |
| 2021-01-15 | Sold for $1,999,999 | $1,999,999 | $133,333 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 2 | 7 | 1 | 15 | 25 |
| 2018 | 3 | 1 | 3 | 5 | 6 | 18 |
| 2019 | 7 | 0 | 9 | 30 | 3 | 49 |
| 2020 | 11 | 4 | 1 | 9 | 3 | 28 |
| 2021 | 21 | 1 | 10 | 6 | 2 | 40 |
| 2022 | 9 | 0 | 2 | 14 | 3 | 28 |
| 2023 | 3 | 0 | 6 | 33 | 1 | 43 |
| 2024 | 6 | 0 | 1 | 0 | 2 | 9 |
| 2025 | 13 | 0 | 12 | 2 | 2 | 29 |
| 2026 | 6 | 0 | 16 | 16 | 2 | 40 |
Every one of the 872 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