Manhattan’s under-construction workplace pipeline consisted of 4.6 million sq. ft of aggressive area throughout 12 properties on the finish of April, based on CommercialEdge information. This represents 0.9 % of its present inventory—barely above the nationwide common of 0.7 %.
The metro’s sluggish workplace development exercise follows final yr’s pattern, when Manhattan’s December under-construction pipeline included 2.7 million sq. ft. On a nationwide degree, 2024 ended with a big drop in developments and workplace deliveries, in keeping with a altering workplace work tradition.
The next checklist contains the 5 largest workplace tasks at present underneath development in Manhattan as of the tip of April. These developments characteristic a mixed 3.6 million sq. ft and are primarily positioned in Midtown Manhattan’s Plaza District.
1. 270 Park
In June 2020, development started on 270 Park, a Class A+ workplace high-rise within the borough’s Plaza District totaling 2.5 million sq. ft. Developed by JPMorgan Chase as its new international headquarters, the tower topped out at 60 tales in late 2023. It’s rising 1,388 ft and at present holds the sixth place on the Listing of New York Metropolis’s tallest buildings, whereas being designed because the metro’s largest all-electric tower.
JPMorgan Chase’s new constructing will home greater than 14,000 staff, changing an outdated property that has the capability for under 3,500 staff. The event group contains AECOM Tishman as supervisor of the development venture, Foster + Companions as designer in cost, Adamson Associates as architect of report, Severud Associates as structural engineer and New York Metropolis Constructors, which oversaw the body’s set up.
The construction replaces the 1960-built Union Carbide Constructing, a 52-story property demolished in 2021, the place JPMorgan Chase was headquartered. The corporate’s world headquarters is at present at 383 Madison Ave. till the official transferring in at 270 Park, with supply estimated for November this yr.
2. 403 E. 79th St.
The second-largest venture underway within the metro is a medical workplace improvement at 403 E. 79th St., totaling 400,000 sq. ft. Owned and developed by Extell Improvement, development started in late 2022, with development funds totaling $54.8 million, secured in 2023 from Cain Worldwide.
Perkins Eastman Architects is the designer in cost, with different improvement companions together with Ancora Engineering as structural engineer and Consigil Constructing Group Inc. appearing as normal contractor. The completion date is scheduled for August this yr.
The Class A property rises 30 tales within the metropolis’s Higher East Aspect space. Designed to incorporate medical workplace, analysis area and ground-floor retail areas, the constructing’s anchor tenant might be Hospital for Particular Surgical procedure, that signed a long-term leasing settlement for almost 200,000 sq. ft throughout the primary eight flooring.
The tutorial medical middle and analysis establishment is specializing in orthopedic and rheumatologic remedies and is the oldest orthopedic hospital within the U.S., based in 1863. The upcoming Hospital for Particular Surgical procedure’s facility will for its orthopedic and rheumatology physicians, remedy rooms for musculoskeletal circumstances and ancillary providers.
3. 125 W. 57th St.

Totaling 252,955 sq. ft, our checklist continues with 125 W. 57th St., owned and developed by Alchemy-ABR Funding Companions and Cain Worldwide. The 30-story venture broke floor in September 2022, whereas leasing began in August of final yr, with JLL appearing as unique dealer. The event companions secured a $100 million development mortgage originated in 2021 by Safety Profit Life Insurance coverage Co.
The venture is the one deliberate, ground-up Class A speculative workplace constructing throughout the borough’s Plaza District throughout the subsequent few years, in an space with restricted new workplace stock. Designed by FXCollaborative, the glass tower will embody vertical, bronze-colored fins, ground-floor retail area and almost 180,000 sq. ft of Class A boutique workplace area. Different venture companions embody Main Builders Group as normal contractor and Focchi Group, a part of the design group.
The property is positioned on lots initially owned by the Calvary Baptist Church, that offered the positioning for $130 million in 2017 to Alchemy-ABR Funding Companions. Anticipated to succeed in completion by the tip of June this yr, the constructing will even embody a brand new dwelling for the Calvary Baptist Church, that occupied the positioning since 1883.
4. NYC Public Well being Laboratory
New York Metropolis’s new Public Well being Laboratory, a 240,000-square-foot medical workplace venture, is the following improvement on our checklist. Developed by The New York Metropolis Financial Improvement Corp., with Skanska as normal contractor, town’s public well being lab is taking form at 40 W. 137th St., inside Harlem’s Hospital Middle campus.
Skanska signed the $148 million development contract in 2021 and broke floor in 2022, following the demolition of three buildings on the Harlem Hospital campus. The brand new facility topped out in September 2023 at 10 tales, whereas completion is estimated for January 2026.
Mission companions embody Skidmore, Owings & Merrill as designer. Valued at $454 million, the ability might be operated by the Division of Well being and Psychological Hygiene. The enterprise secured $25 million from the Division of Citywide Administrative Companies, because the venture will embody one of the crucial vitality environment friendly amenities of its type within the nation
The constructing will embody workplace areas, laboratories and medical amenities, in addition to a foyer space, a 200-person auditorium, a walk-in testing middle and a number of other assist areas. The brand new facility is supposed to interchange the present public well being lab at 455 Fifth Ave.
5. 520 Places of work
The final improvement on our checklist is one other property within the metropolis’s Plaza District. Developed by Rabina Properties, 520 Offfices started development in 2022, with completion on the 508,000-square foot facility scheduled for September this yr.
Developed at 520 Fifth Ave., the venture is ready to be the tallest construction on Fifth Avenue, within the neighborhood of the Empire State Constructing. The workplace element will whole 210,882 sq. ft and might be unfold between the ninth and thirty fourth flooring, whereas the residential factor will include 100 condominiums throughout flooring forty second and eightieth. Reaching 1,001 ft tall, the mixed-use tower is backed by a $410 million development mortgage originated by Financial institution OZK in 2022.
Improvement companions embody Kohn Pederson Fox as architect of report, Charles & Co. as inside designer, WSP as structural engineer, DeSimone Consulting Engineering as façade marketing consultant and Suffolk Building is the overall contractor.














