1604 1 AVENUE is a modern 1992 building, 17 floors, 2 units in Upper East Side, NYC. Owned by MOUNT SINAI HOSPITAL. Public records show 115 open violations, 18 311 complaints on file.
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Manhattan · March 2026
Best & worst months to sign a lease
Potential savings: ~16% by timing your move to May.
Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.
Monthly counts over the last 7 years · all data sources
No HPD records on file in the last 7 years.
Portfolio-level grade reflects the landlord's buildings across NYC, weighted by unit count. Individual building grades may differ.
View full landlord profileTop 5 by score · of 26 total
ACRIS deeds and regulatory filings
The Upper East Side in the 80s and 90s is old-money Manhattan at its most refined — Yorkville's German heritage peeks through, Museum Mile continues along Fifth, and quiet residential blocks make it one of the city's best family neighborhoods.
PAINT/PLASTER — CEILING
UNSANITARY CONDITION — MOLD
Illegal Parking — Blocked Sidewalk
UNSANITARY CONDITION — PESTS
WATER LEAK — HEAVY FLOW
Item Pickups — Call
Bulky Items — Call
Noise - Residential — Banging/Pounding
Noise — Noise, Barking Dog (NR5)
Noise — Noise: Construction Before/After Hours (NM1)