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Providing the safest and most convenient structure and facilities with the competitive construction cost completed on time for the user. Providing excellent training and working environment for each team member on their individual development and success through our associate’s cooperation.


Keystone Construction, Inc. is a privately owned General Builder and Electrical Contractor based in southern California. Our members are fully equipped for the installation and maintenance of electrical wiring, devices of homes, for commercial and industrial plants. We are aggressively willing to build a long lasting corporate partnership with whom you can rely on to complete your future projects successfully. With our skilled, trained, and dedicated electricians, efficiency with organized planning is one of our main strengths.


SAFETY Committed to keep our staff safe at the job site as well as to provide safety for all of the equipments installed and operated.
DURABILITY All parts and equipments to withstand the test of time. Installed to last.
CONVIENCE Making sure all installations are accessible and conveniently located to the end users.
RELIABLE We stand out above all others when it comes to meeting on schedules. That is our company’s reputation on which we stand.