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109 East 89th Street

Manhattan · Upper East Side-Carnegie Hill, NY 10128

109 East 89th Street is an 18-apartment building in Upper East Side-Carnegie Hill, built in 1910, managed by Tri-hill Management LLC. The City has 23 open housing-code violations on file for it, about 1.3 per apartment, in a neighborhood where most buildings have none on record (HPD, as of 5 October 2026). One complaint was filed with 311 in the past year, which the City closed in a median of 1 day (311, as of 5 October 2026). No tenant has reviewed it here yet. Everything above comes from the City's own records.

Managed by Tri-hill Management LLC

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Units
18
Year built
1910
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.

3.2/5About average for the areaScored from the records below against every building we cover. It is not a tenant rating. Nobody who lived here said this.

Problems here get fixed quickly, a median of 1 day from complaint to close, faster than the 4-day neighborhood median.

Complaints are down from 3 to 1 year on year.

1tenant complaint

Filed with 311 in the past year · 3 the year before

23open repairs

Outstanding with HPD · about 1.3 per apartment

Immediately hazardous
0
Hazardous
10
Non-hazardous
13

What the open repairs are about

  • Stairs, floors and ceilings11
  • Other repairs4
  • Doors, windows and locks2
  • Electrical1
  • Rubbish and cleanliness1
  • Heat or hot water1

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

The company that manages it, elsewhere

Tri-hill Management LLC manages 49 other buildings we cover, holding 1,531 apartments.

open violations
420open violations
immediately hazardous
136immediately hazardous
311 complaints
560311 complaints

in the past year

per apartment
0.3per 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 109 East 89th 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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