170 West 85th Street, Manhattan

A 27-unit walk-up cooperative owned in perpetuity by its shareholders — no single landlord to change hands.

170 West 85th Street is a 27-unit building in Manhattan, New York City (BBL 1012150061). This building is associated with 509 Amsterdam Associates. Brix tracks 2 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

Built in 1900, this walk-up apartment building sits in Manhattan and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

Tenants have filed 6 HPD complaints about this building over the last five years, most often about heat/hot water.

What tenants have called the city about here over the last five years:

• Heat/hot Water: 4 complaints
• Unsanitary Condition: 2 complaints

The most recent complaint on this building was filed December 2, 2025.

Conditions cited on open violations at this address:

• § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 2WR, 2nd STORY, 2nd APARTMENT F
• § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE BATHROOM LOCATED AT APT 2WR, 2nd STORY, 2nd

The building last changed hands on April 8, 2026 for $700,000, according to recorded deeds.

Brix rating: Concerning (53/100). View the Building Report on Brix.

See every NYC building owned by 509 Amsterdam Associates on the landlord portfolio page.