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One Legacy Property Management Retained as Exclusive Property Manager for Tulsa’s International Plaza

1350 S Boulder Ave, Tulsa, OK 74119


One Legacy Property Management (OLPM) has been awarded the exclusive property management contract for International Plaza in Tulsa, Oklahoma.
One Legacy Property Management has been awarded the property management contract for International Plaza.

We are honored to announce that One Legacy Property Management (OLPM) has been awarded the exclusive property management assignment for one of Tulsa’s most iconic buildings: International Plaza.

This partnership was spearheaded by Lisa Brandes of Legacy Commercial Property Advisors, whose long-standing relationship with the ownership group and deep understanding of their goals led to OLPM being selected for property management and Legacy being granted the exclusive leasing assignment for the tower’s premium office suites.

Located at 1350 S. Boulder Ave. in Tulsa’s Cathedral District, International Plaza is a masterpiece of Mid-Century Modern design. Originally commissioned as the Warren Petroleum headquarters in 1957, the 12-story tower was designed by the world-renowned architects at Skidmore, Owings & Merrill (SOM). With its striking full-height windows and unique column-free perimeter -- offering breathtaking views of the Tulsa skyline -- it remains one of the most coveted business addresses in all of downtown.

This management assignment marks a pivotal moment for OLPM. Launched as a strategic joint venture between Legacy Commercial Property Advisors and Tulsa-based One Property Management, the firm was built to provide best-in-class property management solutions by combining our firms’ decades of commercial real estate expertise and hands-on operational experience.

With One Legacy and Legacy Commercial Property Advisors working in partnership with International Plaza, our goal remains the same as ever: providing ownership with a turn-key solution that maximizes ROI while elevating the daily experience for every tenant that calls the International Plaza home.

“We are extremely excited to provide best-in-class management solutions to our clients at International Plaza,” said David Atkinson, OLPM’s Director of Property Management. “Our team is built to function as an extension of ownership, ensuring that this iconic asset remains in peak condition while achieving its full potential for all stakeholders and tenants.”

OLPM is honored to be entrusted with the care of International Plaza and we look forward to its continued growth and success in partnership together!

To learn more about the best-in-class property management and leasing solutions offered by our team, contact us online or at (918) 438-9999, or stop by our offices on S. Boulder Avenue in Tulsa.

January 30, 2026

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