577 recorded events, 1970–2026, from 19 city data systems. The city's paper trail here is mostly 166 ACRIS deeds & mortgages, 96 DOB permits, 94 311 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 88% 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 1.2. 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
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 2025–26: 2).
No bedbug-infested units reported in the last three years of filings.
28 service requests in the last three years. Most common: Illegal Parking (11) · Noise (7) · Abandoned Vehicle (5) · Damaged Tree (2) · HEAT/HOT WATER (1) · Construction Lead Dust (1).
$2,703,810 in permitted construction work filed since 2016 (24 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 (1938) |
| Yes | Six or more residential units (60) |
| 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) | Chelsea - Warren Corp. |
| Head officer | Andrew Korman |
| Managing agent | AKAM ASSOCIATES, INC. |
| Last registered | 2025-08-27 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $12,314,000 | $5,541,300 |
| 2026 | $13,997,000 | $6,298,650 |
| 2027 | $15,584,000 | $7,012,800 |
The city's market estimate has risen 27% between tax years 2025 and 2027.
Tax exemptions on the roll: DISABLED HOMEOWNER · SENIOR CITIZEN HOMEOWNER
For property tax, the Department of Finance values this co-op as if it were a rental building. Its 2022 estimate: gross income $2,568,652 a year ($44.59 per sq ft), operating expenses $917,088 ($15.92 per sq ft), net operating income $1,651,564. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | A — ENERGY STAR score 87/100 (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
| 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.
1 street-flooding or sewer-backup complaints at this address since 2018 (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 | 18 St — 1 · 550 ft straight-line (about a 3-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 7 Av / W 20 St — M7 M20 · 300 ft |
| Citi Bike | W 20 St & 7 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.
147 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 — 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 AKAM ASSOCIATES, INC. — 372 buildings, 55,744 units. Grades across the portfolio: A328 · B33 · C5. See the whole portfolio
showing 60 of 372 buildings
Most recent mortgage recorded against this lot: $1,000,000 on 2021-10-14 (lender: National Consumer Cooperative Bank), 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 |
|---|---|---|---|
| 2026-07-27 | RPTT&RET $765,000 — from GAMBLIN, THOMAS F; BOWE, MARTIN JOHN to SCHWORER, NICHOLAS | $765,000 | |
| 2026-07-14 | Sold for $765,000 | $765,000 | $12,750 |
| 2026-05-27 | RPTT&RET $1,295,000 — from ADAMO, JAMES A; SCARAGLINO, MICHAEL to GRACE, MELISSA | $1,295,000 | |
| 2026-05-22 | RPTT&RET $460,000 — from BURCHARD, EXECUTOR, PETER; ESTATE OF KARL W. BATHMANN to KROBERGER, SYDNEY | $460,000 | |
| 2026-05-18 | Sold for $460,000 | $460,000 | $7,667 |
| 2026-05-11 | Sold for $1,295,000 | $1,295,000 | $21,583 |
| 2025-04-14 | RPTT&RET $601,500 — from WIECZERZAK, REGINALD to BOWE, MARTIN J; GAMBLIN, THOMAS F | $601,500 | |
| 2025-04-08 | Sold for $601,500 | $601,500 | $10,025 |
| 2025-04-01 | RPTT&RET $1,200,000 — from WALTERS, PETER to BERRIOS, JONATHAN COSME; CALANDRA, MARK | $1,200,000 | |
| 2025-03-25 | Sold for $1,200,000 | $1,200,000 | $20,000 |
| 2025-02-14 | RPTT&RET $880,000 — from KIGEL, ALEX; NOBEL-KIGEL, JESSICA to BRIAN NAPPER, AS TRUSTEE; THE NAPPER FAMILY TRUST; PATRICIA NAPPER, AS TRUSTEE | $880,000 | |
| 2025-01-31 | Sold for $880,000 | $880,000 | $14,667 |
| 2024-09-26 | RPTT&RET $945,000 — from GUERRIERO, BARBARA; GUERRIERO, FRANK; GUERRIERO, CHRISTIAN to DUDGINSKI, RONALD; DUDGINSKI, ANNE | $945,000 | |
| 2024-09-18 | Sold for $945,000 | $945,000 | $15,750 |
| 2024-08-05 | RPTT&RET $530,000 — from CHIU, BESS to DECARLO, PAUL | $530,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 6 | 0 | 1 | 10 | 3 | 20 |
| 2018 | 3 | 0 | 4 | 10 | 2 | 19 |
| 2019 | 12 | 6 | 6 | 14 | 5 | 43 |
| 2020 | 6 | 1 | 5 | 8 | 6 | 26 |
| 2021 | 9 | 8 | 15 | 12 | 1 | 45 |
| 2022 | 9 | 2 | 13 | 12 | 1 | 37 |
| 2023 | 5 | 0 | 11 | 7 | 2 | 25 |
| 2024 | 1 | 0 | 10 | 6 | 3 | 20 |
| 2025 | 11 | 0 | 15 | 7 | 2 | 35 |
| 2026 | 0 | 0 | 6 | 8 | 4 | 18 |
Every one of the 577 recorded events, 1970–2026, is laid out year by year in the full report (print-ready).
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