213 recorded events, 1968–2026, from 12 city data systems. The city's paper trail here is mostly 74 ACRIS deeds & mortgages, 67 311 service requests, 15 rodent inspections.
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 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 2.5. In ZIP 10128, 84% of residential buildings hold an A and 1% 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.
7 service requests in the last three years. Most common: Rodent (4) · Noise (2) · Dirty Condition (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 (1910) |
| Yes | Six or more residential units (20) |
| 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) | 509 E 88th St Owners Corp |
| Head officer | CHARLES ALVAREZ |
| Managing agent | RIALTO MANAGEMENT CORP |
| Last registered | 2026-07-20 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,167,000 | $975,150 |
| 2026 | $2,304,000 | $1,036,800 |
| 2027 | $2,675,000 | $1,203,750 |
The city's market estimate has risen 23% between tax years 2025 and 2027.
Tax exemptions on the roll: 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 $380,887 a year ($43.16 per sq ft), operating expenses $112,519 ($12.75 per sq ft), net operating income $268,368. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Heating fuel | NO2FUEL |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 4 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 | 86 St — Q · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: York Av / E 88 St — M31 M86-SBS · 200 ft · Select Bus Service |
| Citi Bike | E 89 St & York Ave · 350 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: Yorkville Community School Middle: J.H.S. 167 Robert F. Wagner. 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.
509 East 88 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 |
7 311 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 RIALTO MANAGEMENT CORP. — 78 buildings, 1,253 units. Grades across the portfolio: A54 · B12 · C6 · D5. See the whole portfolio
showing 60 of 78 buildings
Most recent mortgage recorded against this lot: $36,435 on 2026-06-04 (lender: Flushing Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-06-04 | AL&R $500,000 — from 509 EAST 88TH ST OWNERS CORP. to FLUSHING BANK | $500,000 | |
| 2026-06-04 | Agreement $500,000 — from 509 EAST 88TH ST OWNERS CORP. to FLUSHING BANK | $500,000 | |
| 2026-06-04 | Mortgage $36,436 — from 509 EAST 88TH ST OWNERS CORP. to FLUSHING BANK | $36,436 | |
| 2024-01-22 | RPTT&RET $332,000 — from RANDOLPH, JOHN; RANDOLPH, JUDITH; RANDOLPH, THEODORE to MARY E. BLUMBERG, TRUSTEE; MARY E. BLUMBERG REVOCABLE TRUST | $332,000 | |
| 2024-01-10 | Sold for $332,000 | $332,000 | $16,600 |
| 2023-03-21 | RPTT&RET $280,000 — from ZACCARIA, ELISABETTA; ROSELLI, ELISABETTA to ORLANDO, CARYL | $280,000 | |
| 2023-02-27 | Sold for $280,000 | $280,000 | $14,000 |
| 2022-10-18 | RPTT&RET $324,000 — from VAZQUEZ, TARES to GUILFOYLE, KATHLEEN; AISENBERG, DAVID | $324,000 | |
| 2022-09-30 | Sold for $324,000 | $324,000 | $16,200 |
| 2022-03-23 | RPTT&RET $380,000 — from WHITE, EVELYNE to KANE, CHARLES | $380,000 | |
| 2022-03-11 | Sold for $380,000 | $380,000 | $19,000 |
| 2020-01-15 | RPTT&RET $360,000 — from SISCOE, GABRIELLE V to NIEVES, MELANIE; NIEVES, ANTHONY | $360,000 | |
| 2020-01-08 | Sold for $360,000 | $360,000 | $18,000 |
| 2019-06-26 | RPTT&RET $280,000 — from CABRERA, ANDRES to ALI, SHEEDSA | $280,000 | |
| 2019-05-24 | Sold for $280,000 | $280,000 | $14,000 |
| Year | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 0 | 3 | 2 | 4 | 9 |
| 2018 | 0 | 4 | 4 | 3 | 11 |
| 2019 | 1 | 4 | 2 | 2 | 9 |
| 2020 | 0 | 6 | 2 | 1 | 9 |
| 2021 | 0 | 18 | 0 | 1 | 19 |
| 2022 | 0 | 21 | 4 | 1 | 26 |
| 2023 | 0 | 1 | 2 | 1 | 4 |
| 2024 | 0 | 2 | 2 | 2 | 6 |
| 2025 | 0 | 4 | 0 | 6 | 10 |
| 2026 | 0 | 3 | 5 | 1 | 9 |
Every one of the 213 recorded events, 1968–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10128 · Landlord rankings · How grades work · The map · The Mice Map