393 recorded events, 1973–2026, from 19 city data systems. The city's paper trail here is mostly 128 311 service requests, 69 HPD housing violations, 42 HPD 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 62% 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 9.5. In ZIP 10025, 70% of residential buildings hold an A and 2% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 43 total — 7 class C (immediately hazardous), 18 class B, 18 class A. Oldest open since 1973-06-06. |
status snapshot refreshed weekly from HPD records
6 heat or hot-water complaints in the last three years (winter 2023–24: 2 · winter 2025–26: 2). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
25 service requests in the last three years. Most common: Noise (8) · HEAT/HOT WATER (3) · Air Quality (2) · Sidewalk Condition (2) · Illegal Parking (2) · Curb Condition (2).
$170,650 in permitted construction work filed since 2016 (8 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 (1901) |
| Yes | Six or more residential units (24) |
| 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) | 10 WEST 93RD STREET HDFC |
| Head officer | SEAN DONOVAN |
| Managing agent | WORKING REALTY, LTD. |
| Last registered | 2024-10-04 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $3,729,000 | $1,678,050 |
| 2026 | $3,846,000 | $1,730,700 |
| 2027 | $3,775,000 | $1,698,750 |
The city's market estimate has risen 1% 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 $732,105 a year ($33.75 per sq ft), operating expenses $297,614 ($13.72 per sq ft), net operating income $434,491. 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) | SAFE (cycle 10) |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Not in a hurricane evacuation zone.
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 | 96 St — B C · 850 ft straight-line (about a 4-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Central Park West / W 92 St — M10 · 300 ft |
| Citi Bike | Central Park W & W 91 St · 450 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 084 Lillian Weber. 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.
10 West 93 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 |
25 311 service requests from this address in the last three years — 3 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 WORKING REALTY, LTD. — 6 buildings, 96 units. Grades across the portfolio: A5 · B1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 87 St Marks Place | MN | 25 | A |
| 10 West 93 Street | MN | 24 | A |
| 336 East 6 Street | MN | 21 | B |
| 451 3 Avenue | MN | 13 | A |
| 645 East 11 Street | MN | 9 | A |
| 241 East 31 Street | MN | 4 | A |
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2024-12-31 | RPTT&RET $395,100 — from 10 WEST 93RD STREET HDFC to GUMMALLA, MANASA | $395,100 | |
| 2024-12-17 | Sold for $395,100 | $395,100 | $16,463 |
| 2024-06-28 | RPTT&RET $790,000 — from JONES-ALLEN, LIA; JONES, GAVIN; JONES-ALLAN, LIA to LEE, VIVIAN; YAN WONG, CHAN | $790,000 | |
| 2024-06-24 | Sold for $790,000 | $790,000 | $32,917 |
| 2023-09-25 | RPTT&RET $500,000 — from ORTIZ, TRINIDAD to AMAROTICO, MARK; KOSTOPOULOS AMAROTICO, KATHRYN | $500,000 | |
| 2023-09-20 | Sold for $500,000 | $500,000 | $20,833 |
| 2023-03-30 | RPTT&RET $340,000 — from ROBERT SALMAGGI, JR., EXECUTOR; ESTATE OF ROBERT SALMAGGI, SR. to SHAW, DANIELLE S; SHAW, DANIEL J | $340,000 | |
| 2023-03-22 | Sold for $340,000 | $340,000 | $14,167 |
| 2019-11-14 | RPTT&RET $860,000 — from ORTIZ, MASSIEL to THANGAM, TRACY; THANGAM, MANOJ | $860,000 | |
| 2019-11-12 | Sold for $860,000 | $860,000 | $35,833 |
| 2019-06-25 | RPTT&RET $800,000 — from MCCABE, DEBORAH J to GAULE, KALPNA; JOSHI, GAURAV | $800,000 | |
| 2019-06-12 | Sold for $800,000 | $800,000 | $33,333 |
| 2019-03-21 | RPTT&RET $550,000 — from RIVERA, JUAN; RIVERA, MARIA to GIDWANI, VICKRAM | $550,000 | |
| 2019-03-07 | Sold for $550,000 | $550,000 | $22,917 |
| 2018-05-23 | RPTT&RET $590,000 — from LARSEN, CHRISTIAN D to BREAKSTONE, JEANINE | $590,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 1 | 14 | 0 | 2 | 17 |
| 2018 | 0 | 1 | 4 | 2 | 2 | 9 |
| 2019 | 0 | 6 | 9 | 6 | 3 | 24 |
| 2020 | 0 | 3 | 17 | 2 | 3 | 25 |
| 2021 | 0 | 0 | 16 | 0 | 8 | 24 |
| 2022 | 0 | 1 | 6 | 0 | 7 | 14 |
| 2023 | 7 | 2 | 13 | 4 | 2 | 28 |
| 2024 | 5 | 1 | 10 | 4 | 2 | 22 |
| 2025 | 2 | 0 | 13 | 0 | 4 | 19 |
| 2026 | 0 | 1 | 10 | 0 | 1 | 12 |
Every one of the 393 recorded events, 1973–2026, is laid out year by year in the full report (print-ready).
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