At a glance

39 floors

Renovated in 2022

Built in 1957

42,000 square feet of exclusive, oversized tenant terraces on four levels

1,371,598-square-foot building

Up to 80,000-square-foot base floor plate and up to 26,000-square-foot tower floor plate

Architect: Carson & Lundin

Short distance from Museum of Modern Art

Top-of-building, illuminated signage for anchor tenant

New, boutique lobby

Outdoor terraces

Private lobby for anchor tenant, providing building-within-a-building

Redevelopment: Kohn Pedersen Fox

Space for lease at 660 Fifth Avenue

660 Fifth Avenue (formerly 666 Fifth Avenue) is a progressive 39-story office building, offering 1.25M square feet of commercial space, undergoing a $400M redevelopment. The stunning new façade will be reclad in 11x19 feet single-pane glass units, making them the largest ever used on a redevelopment in New York City. A brand new lobby, elevators, and upgraded infrastructure make 660 Fifth Avenue the clear choice for business.

Our awards and certificates

Targeting LEED Gold
Targeting LEED Gold
2022 WELL Health-Safety rated
2022 WELL Health-Safety rated



Office Leasing

Retail Leasing