343 recorded events, 1990–2026, from 16 city data systems. The city's paper trail here is mostly 104 311 service requests, 90 HPD complaints, 48 HPD housing violations.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. More recorded distress than 50% 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 16.4. In ZIP 10009, 59% of residential buildings hold an A and 6% 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 | 14 total — 5 class C (immediately hazardous), 9 class B, 0 class A. Oldest open since 2011-11-22. |
status snapshot refreshed weekly from HPD records
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.
16 service requests in the last three years. Most common: Noise (7) · UNSANITARY CONDITION (3) · Derelict Vehicles (1) · Illegal Parking (1) · PLUMBING (1) · SAFETY (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 (1920) |
| 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) | D.KARNOFSKY |
| Head officer | MARK ROZOF |
| Managing agent | Dover Acquisitions Holding Company LLC |
| Last registered | 2026-06-26 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,263,000 | $1,018,350 |
| 2026 | $2,333,000 | $1,049,850 |
| 2027 | $2,409,000 | $1,084,050 |
The city's market estimate has risen 6% between tax years 2025 and 2027.
| Heating fuel | NO2FUEL |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 3 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 | 2 Av — F · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none 1 Av — L · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: Avenue A / E 5 St — M14A-SBS · 500 ft · Select Bus Service |
| Citi Bike | E 6 St & Ave B · 200 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: Elementary schools in this district are not zoned. 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.
531 East 6 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 |
16 311 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 DOVER ACQUISITIONS HOLDING COMPANY LLC — 6 buildings, 102 units. Grades across the portfolio: A5 · B1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 531 East 6 Street | MN | 24 | A |
| 312 East 6 Street | MN | 22 | A |
| 314 East 6 Street | MN | 20 | A |
| 316 East 6 Street | MN | 20 | B |
| 315 East 6 Street | MN | 8 | A |
| 20-50 29 Street | QN | 8 | A |
| Year | Enforcement | Housing & tenants | Health & systems | Total |
|---|---|---|---|---|
| 2017 | 0 | 4 | 2 | 6 |
| 2018 | 0 | 2 | 5 | 7 |
| 2019 | 0 | 2 | 3 | 5 |
| 2020 | 1 | 20 | 2 | 23 |
| 2021 | 0 | 9 | 8 | 17 |
| 2022 | 0 | 6 | 4 | 10 |
| 2023 | 3 | 96 | 6 | 105 |
| 2024 | 0 | 10 | 4 | 14 |
| 2025 | 0 | 13 | 9 | 22 |
| 2026 | 0 | 8 | 2 | 10 |
Every one of the 343 recorded events, 1990–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10009 · Landlord rankings · How grades work · The map · The Mice Map