StorageMart, MMS Expand Third-Party Management

In Q3 2025, StorageMart and Manhattan Mini Storage continued the steady growth of the company’s third-party management portfolio with the addition of three new facilities in Iowa, Indiana, and New Jersey. This strategic expansion adds more than 244,000 net rentable square feet and over 2,200 storage units to the portfolio, underscoring the brands’ ongoing leadership in third party management services within the self-storage industry.

The new facilities include two StorageMart locations in Des Moines, Iowa, and Merrillville, Ind., as well as one Manhattan Mini Storage location in Totowa, N.J.

“Our third-party management program continues to attract new partners thanks to our proven operational systems, advanced marketing tools, and customer-first approach,” said Herby Bowman, vice president of StorageMart and Manhattan Mini Storage Third Party Management. “Each new facility represents another opportunity to deliver results for owners and a better storage experience for customers.”

All three facilities are now operating under either the StorageMart or Manhattan Mini Storage brand, depending on regional alignment.

About StorageMart and Manhattan Mini Storage Third Party Management

StorageMart Third Party Management is a premier self-storage property management service designed for property owners and investors. Backed by StorageMart's extensive portfolio of over $8 billion in assets, 24 million square feet of storage space, and 215,000 storage units worldwide, the third-party management services are the reliable partner you can count on. For more information visit: https://www.storage-mart.com/self-storage-management.