About Us

Hello, I would like to introduce myself, Ken Tufts, the sole proprietor of Mastermind Builders.
I served in the U.S. Army and graduated from Long Beach State in the 80’s in Construction Management. Then, I worked for large general contractors since 1988. I started my company, Mastermind Builders in January 1994.
We work throughout Orange and Los Angeles Counties.

Our clients include homeowners, realtors, property management firms, general contractors, private companies, churches, school districts, and government agencies, such as Caltrans, Los Angeles County.
Please see our jobsite photos to see the type of projects that we complete.

California State License Number 683871
Classifications: General Engineering – A
General Building – B
Concrete – C-8
Masonry – C-29

We are insured with liability and worker’s compensation coverage.
Be sure to check the license and insurance status of any contractor that you consider hiring.
You can check the status of any licensed contractor at the California State Contractors License Board website. You can click here to check the status of a contractor’s license.
Their website is www.cslb.ca.gov .

Our Company are proud members of the following organizations:
BTA (Building Trades Association)
OCJAA (Orange County Japanese American Association)
Garden Grove Chamber of Commerce