Gregory Demos is a Los Angeles–based real estate developer with over 20 years of hands-on experience spanning real estate development, construction management, and forensic consulting. Known for his specialized expertise in the acquisition and development of hillside properties, Greg brings a multidimensional perspective to each project—combining the analytical precision of an engineer with the strategic foresight of a seasoned developer.
Greg began his career in 2003 when he founded Horizon Ventures, leading residential developments in both New York City and Los Angeles. His early experiences, including navigating the complex resolution of large-scale multifamily projects impacted by fraud, shaped his comprehensive and systems-based approach to development—rooted in rigorous auditing, contractor oversight, and high standards of quality control.
Greg holds a dual Bachelor’s Degree in Engineering from Pennsylvania State University and a Master’s Degree in Real Estate Development from New York University. His engineering background informs his methodical project execution, from site acquisition and entitlement oversight to scheduling, value engineering, and delivery.
After several years of independent development, Greg joined a Los Angeles–based general contracting and construction management firm, where he served as project and construction manager overseeing multifamily residential builds with subcontractor trade forces of up to one hundred personnel. His work in this role sharpened his skills in constructability analysis, subcontractor coordination, documentation protocols, and municipal compliance.
In 2019, Greg founded Demos Development Corporation, a boutique real estate development and consulting firm that offers full-scope services for new construction, project recovery, historic preservation and construction defect resolution. He is currently developing a portfolio of hillside properties and consults actively on complex residential and multifamily projects throughout the Greater Los Angeles Area.
Greg’s clients—ranging from developers and investors to homeowners and legal professionals—benefit from his deep expertise in plan and contract analysis, cost estimating, construction document auditing, site inspections, and claim resolution. Whether serving as owner’s representative or expert consultant, he brings clarity, structure, and trusted oversight to every phase of the project lifecycle.