Is 1666 3rd Ave rent stabilized?
1666 3rd Ave is a registered NYC rent-stabilized building in Upper East Side-Carnegie Hill, Manhattan (10128). It has about 8 apartments, built in 1910.
Also written as 1666 3rd Avenue — or 1666 3rd Ave, Manhattan, NY 10128.
How this building compares
With about 8 apartments it is smaller than 75% of the 447 rent-stabilized buildings this site tracks in Upper East Side-Carnegie Hill. Its 1910 construction date sits close to the 1913 median for stabilized buildings tracked in the neighborhood. HPD lists 31 open violations here, about 3.9 per apartment — above the one for every 12 apartments median for tracked buildings in the neighborhood. Of the 77 violations on record at the address, 26 are class C — HPD's immediately hazardous grade. Tenants have filed 119 HPD complaints at the address, 1 of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Upper East Side-Carnegie Hill |
| ZIP | 10128 |
| Year built | 1910 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1015220035 |
Owner & management
| Owner | MILSONS REALTY CORP 1950 THIRD AVE #2 FL · NY, NY 10029 |
| Managing agent | DEREK COHN |
Building conditions
| HPD violations | 31 open / 77 total |
| HPD complaints | 0 open / 119 total |
| HPD registration last filed | September 8, 2025 |
Full building report — $9
Other rent-stabilized buildings in Upper East Side-Carnegie Hill
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