1723 1 AVENUE is a prewar 1910 building, 4 units in Upper East Side, NYC. Owned by S.J.C. 308 LENOX AVENUE FAMILY LIMITED PARTNERSHIP. Public records show 27 open violations on file.
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Manhattan · March 2026
Best & worst months to sign a lease
Potential savings: ~15% by timing your move to March.
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.
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The Upper East Side around 86th to 96th streets is classic Manhattan living — Yorkville's old German biergartens have given way to brunch spots, but the neighborhood retains its family-friendly, slightly quieter character. Carl Schurz Park and the East River Promenade are local treasures.