# 175 Audubon Avenue, Manhattan, NY

Public-record building report from Know Your Building (https://knowyourbuilding.nyc/building/1021300036/175-audubon-avenue-manhattan).
BBL 1021300036 · BIN 1063131 · Generated 2026-10-23

## Concern level: severe

- 18 open class-C HPD violations (immediately hazardous) across 22 apartments
- 17 of those issued in the last 3 years
- 1 open rent-impairing violation(s)

Scale: low, moderate, high, severe. Set from open hazardous violations relative to building size, raised by distress signals (HPD's Alternative Enforcement Program, court harassment findings, evictions, unpaid OATH/ECB fines, open housing-court cases, a sold tax lien). It describes the public record, not any one apartment.

## Rent stabilization

Likely rent-stabilized. The owner registered 17 stabilized units for 2023, of about 22 apartments.
Registered units by year: 2018: 16, 2019: 16, 2020: 16, 2021: 16, 2022: 15, 2023: 17.
No public data says which specific apartment is stabilized; tenants can request their rent history from NYS Homes and Community Renewal.

## The building

built 1912, 5 floors, 22 residential units.

## HPD housing-maintenance violations

27 open (class C immediately hazardous: 18, class B hazardous: 5, class A non-hazardous: 4); 289 on record.
17 open class-C violations were issued in the last 3 years.
1 open violations are rent-impairing.

## DOB building violations

0 active (0 issued in the last 3 years); 8 on record.

## OATH/ECB violations and fines

0 active of 13 on record; 0 decided by default; $0 balance due.

## 311 housing complaints

3 in the last 12 months; 44 on record.
Most common: UNSANITARY CONDITION (11), PAINT/PLASTER (6), DOOR/WINDOW (4), FLOORING/STAIRS (4), PLUMBING (4).

## Bedbugs

4 annual bedbug filings by the owner; latest reports 0 infested units.

## Evictions

0 executed in the last 3 years; 1 on record.

## Housing court (HPD litigation)

6 cases on record, 0 open, 2 tenant-initiated, 0 with a court finding of harassment.

## City debt and tax-lien sale

On a tax-lien sale list in 2025 (60-day notice), water/sewer debt only.

## Landlord

- CorporateOwner: DIAGONAL REALTY LLC
- Agent: Diagonal Realty LLC
- SiteManager: ISMAEL VEGA
- HeadOfficer: Susan Edelstein

The same owner is linked to 10 other buildings (Susan Edelstein at 145 West 71st Street).

## Sources and limits

NYC Open Data (HPD, DOB, OATH/ECB, 311, DOF, PLUTO) and NYS DHCR building lists. This is a screening signal from public records, not legal advice; records lag and contain errors. Full interactive report with violation details and maps: https://knowyourbuilding.nyc/building/1021300036/175-audubon-avenue-manhattan