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171 West 73rd Street

Manhattan · Upper West Side-Lincoln Square, NY 10023

171 West 73rd Street is an 11-apartment building in Upper West Side-Lincoln Square, built in 1882, managed by Cornerstone MGMT Systems INC. The City has no open housing-code violations on file for it (HPD, as of 5 October 2026). Tenants filed 3 complaints with 311 in the past year, which the City closed in a median of 58 days (311, as of 5 October 2026). No tenant has reviewed it here yet. Everything above comes from the City's own records.

Managed by Cornerstone MGMT Systems INC

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Units
11
Year built
1882
Borough
Manhattan

This building’s record with the City

Complaints tenants filed with 311, and repairs a City inspector has asked for. Most repairs are routine maintenance. Both describe the building rather than the people in it, and often predate the current management.

4.1/5Better than most nearbyScored from the records below against every building we cover. It is not a tenant rating. Nobody who lived here said this.

Complaints are down from 7 to 3 year on year.

3tenant complaints

Filed with 311 in the past year · 7 the year before

Typically closed in 58 days · neighborhood median is 4

0open repairs

Outstanding with HPD

Housing Court

Tenants took this building's owner to Housing Court 2 times since October 2023. The City brought 1 case of its own.

A case is a filing, not a finding. Cases are settled, withdrawn and dismissed, and most end without a judgment either way.

Source: NYC 311 and Housing Preservation & Development. Look this building up · updated Oct 2026

The company that manages it, elsewhere

Cornerstone MGMT Systems INC manages 97 other buildings we cover, holding 1,208 apartments.

open violations
227open violations
immediately hazardous
57immediately hazardous
311 complaints
37311 complaints

in the past year

per apartment
0.2per apartment

The company’s record across its other buildings, not this building’s. A company can run one well and another badly, and these figures often predate the current management. (HPD and 311, as of 5 October 2026.)

What tenants say

Nobody has written about 171 West 73rd Street yet.

Does the heat hold in January? How long does the super take? Does management answer the phone, and were you charged what you expected? No public record answers any of that. Only someone who lived here can.

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