Office
Read the latest real estate industry news with a focus on traditional office space leases, office property sale transactions, new office project construction and adaptive reuse repositioning programs, and more.
SL Green Refinances Mortgage on Flatiron District Office Tower
SL Green, the largest owner of Manhattan office space, has completed a major refinancing deal for a 30-story tower in the Flatiron District alongside its joint venture partner, PGIM. The partnership has secured a $1.4 billion loan for 11 Madison Ave.
KKR Inks Office Lease in Boston at International Place
KKR’s new Boston office lease at Two International Place will enhance the firm’s capabilities across several key strategic areas, support its global operations, and accommodate future growth.
Top-Quality Assets Continue to Drive Leasing Activity, While Few Markets See Construction Starts
How did the largest office markets in the U.S. perform in August 2025? Read the highlights and deep dives on industry trends and insights in our full monthly U.S. office markets report.
Cambridge, Mass. Dominates Northeast Innovation Through Unrivaled STEM Talent, Business & Research Infrastructure
When an area displays a significant concentration of skilled professionals — particularly in fields like technology, science and engineering — along with the infrastructure to develop and employ top talent, it creates a powerful engine for economic growth and innovation on a much larger scale.
Law Firm Simpson Thatcher Joins Ikea at New Fifth Avenue Tower
Extell Development is close to a major deal as law firm Simpson Thacher & Bartlett is poised to lease a significant portion of its new Ikea-anchored tower at 570 Fifth Ave.
Historic Pittsburgh Street to Become Mixed-Use AI Hub
Office developers here hope that a higher concentration of AI-focused companies in this hub would attract more DoD contracts in the near future in one of the city’s most historic districts.
HFI Capital Buys Future Headquarters Office Property in Dallas
HFI acquired and is rebranding the Dallas office property as “The Capital Design District,” and plans to shape it for the use of financial, entrepreneurial, and business services firms.
SL Green Expands Manhattan Portfolio in $160 Million Deal
Manhattan’s largest office landlord, SL Green Realty, has agreed to acquire two new properties in a $160 million deal. The transaction for 346 Madison Ave. and the adjacent 11 E. 44th St. is expected to close during the fourth quarter of 2025. The seller was advised by JLL’s Drew Isaacson and David Giancola.
RXR Seals $1.1 Billion Acquisition of Plaza District Office Tower
RXR has purchased the 42-story, Class A skyscraper at 590 Madison Ave. for approximately $1.1 billion. This marks the largest Manhattan office space acquisition in more than three years.
The sale price is the highest seen in the New York City office market since Google’s parent company, Alphabet, acquired 550 Washington St. for almost $2 billion in 2022.
Flexible Finance Seals Lease Deal at 300 Park Ave.
Flexible Finance, a fintech firm that offers residential landlords the ability to draw rent in installments, signed a 41,000-square-foot lease for the top three floors of Rockrose Development’s 300 Park Ave. S. The move from its previous location at 33 Irving Place represents a significant expansion for the company.
