The Phoenix office of JLL today announced it has completed a 14,183-square-foot office lease that will relocate the Tempe, Arizona corporate headquarters for Logan Simpson, a cultural resources management, environmental planning, community planning and landscape architecture firm.


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The lease relocates Logan Simpson from 51 W. Third Street in downtown Tempe to the Class A Tempe Gateway building, located just across the street at 222 S. Mill Ave.

Logan Simpson established its first office location in 1990, in downtown Tempe’s historic Casa Loma building at Fourth Street and Mill Avenue. It moved to its current downtown Tempe headquarters in 2000. It takes occupancy of its new headquarters at Tempe Gateway this month.

“This one block segment of Mill Avenue is Logan Simpson’s birthplace and – even after the firm has expanded to encompass six offices in four states in the western U.S. – it remains our home base,” said Chris Garraty, Principal, Logan Simpson. “We are delighted to be able to retain our corporate headquarters at Tempe Gateway for the foreseeable future.”

JLL Executive Vice President Mike Gordon and Associate Sydney Setnar represented Logan Simpson in its new headquarters office lease. Bryan Taute and Will Mask represented Tempe Gateway owner, Cousins Properties (NYSE:CUZ).

Totaling 264,000 square feet in eight stories, Tempe Gateway features a newly renovated lobby and conference facility, fitness center, bike storage room and on-site parking. It sits 164 feet from Metro Light Rail and 404 feet from the Tempe Streetcar, a short drive to Sky Harbor International Airport. Situated at the core of downtown Tempe, it is walkable to parks, restaurants, hotels and shops, and offers scenic views of Tempe Town Lake, Hayden Flour Mill and nearby mountains.

“We were honored to help keep Logan Simpson in Tempe, where they have a history of strong partnerships with the city, the local business community and Arizona State University, employing many ASU students as interns and graduates,” said Gordon. “Tempe Gateway will serve Logan Simpson employees well with a centralized, highly accessible location and a Class A office building filled with amenities.”

“We are moving to 222 S. Mill Ave., Suite 222, approximately 222 feet north of our current office. The number 222 must be lucky for us,” said Garraty.

Logan Simpson is a nationally recognized firm utilizing experience in environmental analysis, National Environmental Policy Act compliance, cultural resources, biological resources, visual resources, Clean Water Act permitting, historical preservation, landscape architecture and community planning services. It has more than 170 employees in offices located in Tempe, Tucson and Flagstaff, Arizona; Fort Collins, Colorado; Salt Lake City, Utah; and Reno, Nevada. Committed to co-creation – a unique partnership between its clients, communities and consultants – Logan Simpson blends creative insight, diverse perspectives and quantifiable data to support a legacy of inspirational projects reflecting an in-depth understanding of the interrelationship between social, built and natural environments.

In Phoenix, JLL is a market leader employing more than 550 of the region’s most recognized industry experts offering office, industrial, retail, healthcare and data center brokerage, tenant representation, facility and investment management, capital markets, multifamily investments and development services, and related services within the real estate leasing, investment and management process. In 2023, the Phoenix team completed more than 120 million square feet in lease and sale transactions, with a total transaction volume of more than $1.1 billion, and directed $67 million in project management across 63 projects.