821 Park Avenue
Manhattan · Upper East Side-Carnegie Hill, NY 10021
821 Park Avenue is a 10-apartment building in Upper East Side-Carnegie Hill, built in 1890, managed by Erpm Company. The City has 1 open housing-code violation on file for it, and it is immediately hazardous, about 0.10 per apartment, in a neighborhood where most buildings have none on record (HPD, as of 5 October 2026). No tenant has reviewed it here yet. Everything above comes from the City's own records.
Managed by Erpm Company
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- Units
- 10
- Year built
- 1890
- Neighborhood
- Upper East Side-Carnegie Hill
- 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.
Complaints are down from 2 to 0 year on year.
0tenant complaints
Filed with 311 in the past year · 2 the year before
1open repair
Outstanding with HPD · about 0.1 per apartment
- Immediately hazardous
- 1
- Hazardous
- 0
- Non-hazardous
- 0
What the open repairs are about
- Doors, windows and locks1
Source: NYC 311 and Housing Preservation & Development. Look this building up · updated Oct 2026
The company that manages it, elsewhere
Erpm Company manages 10 other buildings we cover, holding 407 apartments.
- open violations
- 10open violations
- immediately hazardous
- 4immediately hazardous
- 311 complaints
- 6311 complaints
in the past year
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 821 Park Avenue 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.
Be the first to reviewAbout a minute, no account, stays anonymous.