Cornerstone Commercial & Personal Insurance Services, Inc., is now Gallagher. Based in Rancho Cucamonga, California, Cornerstone is a retail insurance agency serving commercial and personal insurance clients in California, Arizona and Nevada, with a focus on homeowner associations (HOAs). The team also supports a range of commercial real estate, construction and other commercial clients, and is a member of local chapters of the Community Associations Institute (CAI), the Building Industry Association (BIA) of Southern California and the Building Owners and Managers Association (BOMA).
Cornerstone's commitment to superior client service through helping people make informed decisions about their insurance purchases makes the agency an ideal partner with Gallagher. Clients will continue to receive the same personalized service offered by Cornerstone along with benefitting from access to Gallagher's expanded resources.
Specialty coverage for HOAs, commercial real estate and contractors
Whether you're a property manager, a contractor or you own commercial real estate, it's important to work with professionals who understand the risks you face — and how to properly protect against them. We work to understand your policy needs and goals so we can develop a program that's tailored to you.


