

Andreini & Co
Customized commercial insurance and claims services since 1951

Independent commercial insurance for small businesses on the Peninsula6040 James K. Mason Insurance Services LLC 300 N. San Mateo Dr., San Mateo, CA


James K. Mason Insurance Services is an independent insurance agency focused on commercial coverage for small businesses with fewer than 150 employees. The agency places general liability, commercial auto, property, workers compensation, cyber, umbrella, professional liability, bonds and inland marine coverage, and it works with more than 80 carriers. Its largest client groups are owners of strip malls, commercial buildings and apartments, along with auto repair shops, tire shops and wholesale food distributors.
The agency also handles technology companies, from software and app developers to data breach and liability coverage. Quotes can be requested through an online form for each coverage type, or by phone at the office in San Mateo. Clients are served across San Mateo, Hayward, Menlo Park, Redwood City, San Francisco and South San Francisco, and the agency is licensed in California.


Customized commercial insurance and claims services since 1951
Auto, home, life and pet insurance coverage


Independent insurance agency for businesses and households
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