Storage King USA Portfolio Has Expanded to 15 Million Feet
The self-storage brand surpassed 100,000 total units across 20 states as of September 2026.
Updated on Sept. 29, 2026 in Commercial
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The Storage King USA self-storage portfolio has reached a milestone of 15 million square feet. Andover Properties LLC, the operator behind the brand, now manages over 100,000 storage units across the United States.
Why it matters
The rapid scale of the portfolio reflects the ongoing consolidation and institutional growth within the American self-storage sector. This expansion underscores the increased demand for decentralized storage space across diverse markets.
The Storage King USA portfolio now encompasses 15 million square feet and 100,000 units. These assets are distributed across 175 properties located in 20 states.
The players
Andover Properties LLC
This real estate investment firm, founded in 2003, focuses on the acquisition, development, and management of self-storage facilities.
Brian Cohen
He is a co-founder of Andover Properties, which manages the Storage King USA portfolio.
William Cohen
He serves as a co-founder of Andover Properties and has helped lead the firm since its inception.
The details
Andover Properties operates the storage brand using a platform that integrates acquisitions, development, capital markets, and asset management. The firm utilizes comprehensive portfolio data to guide its acquisition sourcing and operational strategies.
Timeline
Andover Properties was established in 2003.
The portfolio surpassed 15 million square feet in September 2026.
Culture Shift
The firm's expansion follows the industry-wide consolidation trend that has defined the self-storage market over the last decade. This shift reflects a move toward larger, professionally managed portfolios that replace fragmented, local storage operations.
The consolidation of these storage facilities often results in modernized management software and standardized rental processes for local tenants. Customers in the 20 states served may experience more integrated digital reservation tools as the portfolio scales.
The takeaway
The expansion highlights the transition of self-storage from niche real estate to a scaled, data-driven institutional asset class. Consumers should expect continued professionalization of site management as more independent locations are absorbed into large portfolios.
Further reading
Learn more about the latest industry trends in the Commercial sector.
Source note: This article includes information reported by Inside Self-Storage.
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