108 recorded events, 1970–2026, from 13 city data systems. The city's paper trail here is mostly 20 ACRIS deeds & mortgages, 18 DOB permits, 18 311 service requests.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 85% of 1-5-unit residential buildings citywide. The citywide median for 1-5-unit residential buildings is 0 penalty points per 10 units; this building carries 12. In ZIP 10011, 68% of residential buildings hold an A and 5% grade D or F. How grades work
Among 699,345 1-5-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.
2 heat or hot-water complaints in the last three years (winter 2023–24: 2).
No bedbug-infested units reported in the last three years of filings.
1 service requests in the last three years. Most common: HEAT/HOT WATER (1).
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 (1853) |
| No | Six or more residential units (5) |
| 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) | CHELSEA SQUARE NORTH INC |
| Head officer | RALPH WESTERHOFF |
| Managing agent | BRICKWORK MANAGEMENT INC. |
| Last registered | 2025-09-08 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $3,660,000 | $1,647,000 |
| 2026 | $2,934,000 | $1,320,300 |
| 2027 | $2,790,000 | $1,255,500 |
The city's market estimate has fallen 24% between tax years 2025 and 2027.
Tax exemptions on the roll: COLD WAR VETERAN - DISABILITY
| Heating fuel | NATURALGAS |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 2 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 | 23 St — C E · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: none 14 St — A C E L · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: 9 Av / W 23 St — M11 · 400 ft |
| Citi Bike | 9 Ave & W 22 St · 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.
411 West 21 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 |
1 311 service request from this address in the last three years — 1 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 BRICKWORK MANAGEMENT INC. — 58 buildings, 707 units. Grades across the portfolio: A46 · B9 · C2. See the whole portfolio
Most recent mortgage recorded against this lot: $310,000 on 2007-06-15 (lender: National Consumer Cooperative Bank and Ncb), covering 2 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 |
|---|---|---|---|
| 2025-11-10 | RPTT&RET $1,425,000 — from GOLDBERG-MEEHAN MARITAL TRUST; CAILIN GOLDBERG-MEEHAN, TRUSTEE to NIPOTE, GABRIEL ALVARO; PASQUARELLI, CATHERINE RAE | $1,425,000 | |
| 2025-10-29 | Sold for $1,425,000 | $1,425,000 | $285,000 |
| 2020-05-06 | RPTT&RET $1,775,000 — from DORN, DEREK B; GOGLIORMELLA, SALVATORE to KIM, MISONG | $1,775,000 | |
| 2020-04-27 | Sold for $1,775,000 | $1,775,000 | $355,000 |
| 2013-09-06 | RPTT&RET $1,500,000 — from ST. CLAIR, ELIZABETH to DORN, DEREK B; GOGLIORMELLA, SALVATORE | $1,500,000 | |
| 2009-11-04 | RPTT&RET $98,783 — from UPTON, CHRISTOPHER R to MORRISON, STEPHEN; UPTON , CHRISTOPHER R | $98,783 | |
| 2007-06-15 | Mortgage $310,000 — from CHELSEA SQUARE NORTH, INC. to NATIONAL CONSUMER COOPERATIVE BANK; NCB | $310,000 | |
| 2007-06-15 | AL&R $310,000 — from CHELSEA SQUARE NORTH, INC. to NCB; NATIONAL CONSUMER COOPERATIVE BANK | $310,000 | |
| 2006-07-27 | RPTT&RET $1,120,000 — from ELM, SANDRA L to ANSORGE, MARK S; ANSORGE, VERONIQUE M | $1,120,000 | |
| 2006-03-30 | RPTT&RET $885,000 — from FAUSETT, DAVID to THE GOLDBERG-MEEHAN FAMILY TRUST | $885,000 |
| Year | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 0 | 0 | 2 | 2 | 4 |
| 2018 | 0 | 0 | 2 | 2 | 4 |
| 2019 | 0 | 2 | 0 | 2 | 4 |
| 2020 | 0 | 3 | 2 | 1 | 6 |
| 2021 | 0 | 6 | 0 | 2 | 8 |
| 2022 | 0 | 7 | 0 | 1 | 8 |
| 2023 | 0 | 4 | 0 | 1 | 5 |
| 2024 | 0 | 2 | 0 | 2 | 4 |
| 2025 | 0 | 3 | 2 | 2 | 7 |
| 2026 | 1 | 0 | 0 | 2 | 3 |
Every one of the 108 recorded events, 1970–2026, is laid out year by year in the full report (print-ready).
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