Cornerstone is located in Los Angeles County and services most of Southern California. Our company provides a complete range of general construction and design-build services to the healthcare, commercial/industrial and residential markets. Cornerstone views it's clients as "valued partners". This philosophy enhanced with a core commitment to integrity, quality of workmanship and client satisfaction impacts all facets of the services we deliver today. We believe in getting the job done right the first time. As a service oriented company, we understand and facilitate the special needs of each client. We provide customized budgets and project schedules that are strictly followed throughout the project to completion.