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.

Cornerstone is a highly regarded agency whose expertise in the homeowner association niche will enhance our capabilities in the region.
J. Patrick Gallagher, Jr., Chairman and CEO

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.

Homeowners association certificate of insurance requests

REQUEST NOW

Personal and commercial coverages that meet your unique needs

We strive to help people just like you find solutions for all of your unique insurance needs — commercial or personal. We work closely with all clients to anticipate their challenges and address them before they happen. Because our goal is to make insurance understandable, easy and tailored to your needs.

You've worked hard to get to where you are, and we're here to help ensure your assets are safe now and in the future. Insurance coverages we offer include:

  • Auto
  • Boat
  • Classic car
  • Homeowners
  • Life
  • Motorcycle
  • Renters
  • Recreational vehicle (RV)
  • Umbrella

Your business is valuable. We're here to help reduce known and unforeseen risks through policies that safeguard the best interests of your business, so you can focus on serving customers and meeting your business goals. Commercial coverages include:

  • Auto dealer insurance
  • Business liability
  • Commercial auto insurance
  • Commercial property
  • Cyber liability
  • Errors and omissions (E&O)
  • Farm and ranch insurance
  • Group health insurance
  • Liquor liability
  • Restaurant insurance
  • Special event insurance
  • Workers' compensation

Helping you succeed, now and in the future

At Gallagher, we appreciate that your pursuit of success is uniquely personal. Whether you're in search of business insurance, personal insurance or both, our purpose is to work with you to tailor plans and programs that fit your needs and provide confidence in your future.