Commercial Surety Bond Agency (CSBA) has been providing bonds to contractors since 1984. We are one of the largest surety only agents in California with over 110 years combined experience both as surety underwriters and agents, and we work with over 300 construction companies ranging in size from one-man startups to large national firms.

Our singular focus on surety, unmatched depth of experience and unrelenting passion for helping guide our clients on their journey to success truly separates us from the rest.

The CSBA Difference

Expert Guidance

Increased Bonding Capacity

First-Class Service

Success Stories

As a one-man shop, Bob Foster came to CSBA for help in 1989 with his first bonded job - a $7,000 subcontract. CSBA has helped guide Mr. Foster as his business has grown, including introducing him to his long-time CPA. Today, R C Foster Corporation has completed several multi-million dollar water treatment plants - all bonded with CSBA’s professional advice and support.- R C Foster Corporation,
Being a fast growing company that specializes in infrastructure and capital improvements, W.A. Rasic Construction Co., Inc. depends a lot on their bond capacity. CSBA has been there every step of the way to make sure they are partnered with a surety company that understands their business plan and can meet their rapidly growing bond needs.- W. A. Rasic Construction Co., Inc.,
When Dick Stewart started American Demolition in 1980, he turned to CSBA for assistance in developing his surety program. Almost thirty years later, he is one of southern California’s premier demolition contractors, and CSBA continues to fulfill his bond needs.- American Demolition,

Our Team

Ralph Eidem


Dan Huckabay


Dwight Reilly

Vice President

Michael Stong


Frank Morones


Arturo Ayala

Office Manager

Shaunna Ostrom

Senior Account Manager