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While expanding our capabilities to better serve current and future clients, Countywide Mechanical Systems remains committed to the same things that got us here – quality, steady growth, and client relationships. Through trusted partnerships and time-tested construction methods, we keep San Diego and its surrounding areas up and running with our HVAC, plumbing, electrical, controls, and solar services.

So we can remain committed to our partners and to quality, it is important for you to be able to access our services easily. If you have any questions, don’t hesitate to call us 24/7 at (619) 449-9900.

El Cajon, California
1400 N. Johnson Ave. Suite 114
El Cajon, California 92020
P: 619.449.9900
F: 619.449.9907