# Public Storage
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Who / What
Public Storage is a **US-based real estate investment trust (REIT)** specializing in self-storage facilities. As the largest brand of self-storage services in the United States, it operates under the umbrella of **Prologis**, a global leader in logistics and industrial real estate.
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Background & History
Founded in 1973 as **Public Storage Inc.** by **David C. Steinberg** in Glendale, California, Public Storage initially began operations with a single facility. Over decades, it expanded rapidly through acquisitions, becoming the dominant player in the self-storage industry. By the late 20th century, it had grown into a publicly traded company listed on major exchanges (NYSE: PSA). The business model evolved to include insurance services for tenants and subleasing operations.
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Why Notable
Public Storage holds a **monopoly-like position** in the U.S. self-storage market, controlling ~9% of total storage space. Its scale—3,073 facilities with 221 million net rentable square feet as of December 2024—positions it as an economic and logistical powerhouse. The company’s influence extends beyond storage to broader real estate trends, including demand for flexible industrial spaces.
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In the News
As a key player in the self-storage sector, Public Storage remains relevant amid **rising housing costs** and urbanization pressures, driving demand for temporary storage solutions. Recent developments include strategic expansions into emerging markets (e.g., California’s tech-driven relocation trends) and partnerships with property management firms to optimize facility utilization.
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Key Facts
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