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Granite Insurance Services, Incorporated

When it’s time to talk insurance, make sure you talk to us. For over 50 years, Cornerstone Associates Insurance Services, Inc. has been serving the insurance needs of Lincoln, California, and the surrounding communities.

Cornerstone Associates Insurance Services, Inc.
Yesterday, Today, and Tomorrow...


Insurance Brokers & Agents of the West

Lincoln Area Chamber of Commerce

North American Power Sweeping Association (naPSa)

Lincoln Arts

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Originally founded in 1948 as Grey Brothers, a partnership between two brothers, Cornerstone is now owned by Primo Santini III, and David Bonillo, who, together, have over 50 years experience in the insurance industry.

Cornerstone Associates is a full service independent insurance agency. Affiliated with Granite Insurance Service, we can place policies with over 40 property/casualty companies and have access to over 50 different life companies and every health company serving the greater Sacramento area.

Cornerstone Associates specializes in insurance for sweeping contractors for both parking lots and streets. We have over 15 years experience offering a unique program that saves our clients money and provides the specific coverage needed. Same day Certificate Requests with the forms and wording you clients require.