The William Warren Group is a privately held real estate investment, development, and property management company founded in 1994 by William Warren Hobin. The company operates exclusively in the self-storage sector under the StorQuest Self Storage brand, managing properties for its own accounts as well as third-party investors. The firm focuses on major metro markets across the United States that offer cash flow, revenue growth, and long-term capital appreciation opportunities. The company operates more than 280 self-storage facilities nationwide, with 84 locations in California. The company maintains vertically integrated operations encompassing acquisition, development, property management, and asset management. The firm has established joint venture partnerships with institutional investors including CBRE Investment Management for portfolio expansion. The portfolio includes a mix of single-story drive-up units, climate-controlled indoor units, and outdoor units. In March 2022, the company partnered with CBRE to acquire a 64-property portfolio from World Class Holdings for $588 million, comprising 4.1 million rentable square feet across Colorado, Illinois, Indiana, Mississippi, Missouri, Nevada, New York, Ohio, Tennessee, and Texas. In March 2023, the firm acquired a 14-property portfolio in Southern California and Utah with CBRE, totaling 8,697 units with a $114 million loan from Prudential Financial. Key markets include Los Angeles, Inland Empire, San Diego, Phoenix, Denver, Salt Lake City, and select East Coast metropolitan areas.