About James K. Mason Insurance Services LLC

We are located just north of downtown San Mateo
Call us to speak to Jim or Jimmy 650-401-6040
Fax 650-401-6070
Email Jimmy jwm@jkmasonins.com

We are full service insurance brokers providing all lines of commercial insurance. 

Commercial General Liability 
Commercial Property
Workers Compensation
Data Breach
Professional Liability or Errors and Ommisions E & O
Employment Practices
Directors and Officers
Umbrella/ Excess Liability
Earthquake Insurance
Flood Insurance

Taget Industries and Ideal Clients

Real Estate,

Wholesale Food and Food Products Manufacturing,

Auto Repair along with Paint and Body Garage Operations,



We have been writing business insurance on the Peninsula for over 25 years.  We are independent brokers with access to over 65 insurance companies.  This gives us the ability to find the best mix of coverage and price for our clients.

We were established in 1997.  Even though we are a young agency we employ a staff with over 100 years of commercial insurance experience.  Jim Sr. has been in business since the 1980's and is actively involved in the business daily.  Jimmy has been a licensed broker for over 12 years and is an incredible resource for the agency.  The two of them provide great knowledge/ experience along with the ability to understand insurance technology to give your business insurance a special touch that it doesn't currently have.

The agency is a member and stockholder of United Valley Insurance Services in Fresno, California, that provides backup marketing, loss prevention and claims service. The affiliation with United Valley Insurance Services enables access to over fifty highly rated insurance companies that are headquartered not only in California but throughout the United States; thus expanding the agency's experience and expertise in the insurance industry.

We serve clients all over the greater Bay Area and have the ability to market insurance for customers in San Mateo, Burlingame, San Carlos, Belmont, Foster City, San Bruno, South San Francisco, San Francisco,  Hayward, Palo Alto, Oakland, San Jose, Mountain View, Menlo Park, Atherton, Palo Alto, Redwood City,Cupertino and Napa.  We work all through out the Bay Area, Silicon Valley, Easy Bay, San Mateo Peninsula.  We work in many other cities give us a call or email to discuss your business and current insurance plan.

There is always someone in our office during the day to answer calls so you can speak to a real person to get your question answered quickly.   Give us a call at (650) 401 6040 today to set up a time to talk with either Jimmy or Jim to learn about how Mason Insurance can help your business today. Feel free to send us an email jwm@jkmasonins.com or fill out one of our quote forms.