21 EAST 66 STREET is a prewar 1921 building, 11 floors, 22 units in Upper East Side, NYC. Owned by NAME NOT ON FILE. Risk signals: 1 bedbug report. Rent stabilization on file covers 1 unit (registered 2024).
Manhattan · March 2026
Best & worst months to sign a lease
Potential savings: ~12% by timing your move to October.
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 727 total
ACRIS deeds and regulatory filings
Water System — Leak (Use Comments) (WA2)
Water System — Leak (Use Comments) (WA2)
Missed Collection — Recycling - Metal/Glass/Rigid Plastic
SAFETY — WINDOW GUARD BROKEN/MISSING
Illegal Parking — Unauthorized Bus Layover
Missed Collection — Recycling - Paper/Metal/Glass/Rigid Plastic
Missed Collection — Recycling - Paper/Metal/Glass/Rigid Plastic
Noise — Noise: air condition/ventilation equipment (NV1)
Missed Collection — Recycling - Paper/Metal/Glass/Rigid Plastic
Missed Collection — Recycling - Paper