Alterra IOS has closed a $244 million financing facility with Blackstone Real Estate Debt Strategies, supporting a large-scale portfolio of industrial outdoor storage properties across the United States. The loan provides initial proceeds backed by 37 industrial outdoor storage assets spanning 27 markets, with capacity for future funding tied to additional acquisitions.
The collateral for the initial tranche comprises 165 usable acres of industrial outdoor storage real estate. In addition to paved and functional yard space, the portfolio includes 806,000 square feet of associated warehouse buildings that support logistics, distribution, and related industrial uses. The structure of the deal allows Alterra IOS to draw further capital as it acquires additional qualifying properties, positioning the platform for continued expansion.
The properties in the portfolio are concentrated in major U.S. industrial and logistics corridors. According to Alterra IOS, the assets include key markets across Florida, Georgia, Indiana, Maryland, North Carolina, and Virginia. These locations align with established transportation and distribution networks, where demand for truck and trailer parking, outdoor storage, and complementary warehouse space has been growing alongside broader industrial and e-commerce activity.
Justin Horowitz of Cooper-Horowitz represented Alterra IOS in arranging the financing. Cooper-Horowitz acted as the intermediary on the transaction, working between Alterra IOS and Blackstone Real Estate Debt Strategies to structure and secure the loan. The financing was executed on a non-recourse basis for Alterra IOS, which the company views as an important step in the evolution of institutional capital solutions available for the industrial outdoor storage segment.
Scott Whittle, Chief Financial Officer at Alterra IOS, described the loan as a meaningful development in the way institutionally owned industrial outdoor storage assets can be financed without recourse to the sponsor. The transaction underscores that scaled IOS platforms with diversified portfolios can attract sizable, programmatic capital commitments from large real estate credit providers.
For Blackstone Real Estate Debt Strategies, the loan marks its sixth financing within the industrial outdoor storage sector. With this latest commitment, Blackstone’s total exposure to industrial outdoor storage has surpassed $1.1 billion. The growing volume of IOS loans on Blackstone’s books highlights increasing institutional engagement with this niche industrial asset class, reflecting its role as complementary infrastructure for warehouse, logistics, and transportation users.
The financing supports Alterra IOS’s ability to continue acquiring and aggregating IOS properties in high-demand industrial corridors while giving Blackstone structured exposure to a specialized segment of the industrial market. As additional assets are added under the facility, the portfolio-backed loan structure is expected to play a central role in scaling Alterra IOS’s national footprint in the sector.
