Transforming Underutilized Real Estate into High-Performing Assets
Development Solutions Group (DSG) invests in and redevelops underutilized commercial properties into modern self‑storage, multi-family or mixed-use assets, combining adaptive‑reuse expertise with disciplined underwriting and entitlement know‑how. The result is long‑term value and stable cash flows for our investors through thoughtful design and efficient execution.
We create value by identifying overlooked properties in markets where supply–demand fundamentals favor new self-storage or multi-family development
Our investment approach combines adaptive reuse expertise, disciplined underwriting and data‑driven market selection to create long-term value.
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Targeted Markets
We proactively source undersupplied trade areas, prioritizing sites we can entitle and efficiently program for conversion or new build, informed by empirical data and our screening criteria.
Value-Add & Cost Control
We create value by maximizing site and building utilization with a design-build model for cost and schedule control.
Community-Centered Development
We fit our buildings to the block. Quiet operations, clean facades, and streetscape upgrades. Each project strengthens the neighborhood and provides secure space close to home.
Charlie A. Mengel
Founder & Principal
Charlie A. Mengel is the Founder of Development Solutions Group. With a track record spanning over 1 million square feet and 5,000 units since 2015, he specializes in value-add adaptive reuse and ground-up development for the multi-family and self-storage sectors.
Charlie oversees the full project lifecycle—from site selection, deal structuring, and VE design to entitlements, construction, and asset management. His expertise includes managing complex entitlements and environmental remediation to unlock value in constrained sites.
He currently manages a portfolio of mixed-use multi-family and self-storage assets in Chicago while expanding the firm's footprint through targeted acquisitions of development sites in growth markets nationwide.