Why Countywide Mechanical remains unrivaled.


About Countywide.
We have proudly served the County of San Diego and its surrounding areas since 1998, becoming the go-to Mechanical, Electrical, and Plumbing contractor. Over the years, we have expanded our capabilities to include HVAC-R, plumbing, installation, equipment repair and maintenance, system upgrades and install, construction, retrofit, and design-build services. We have completed projects within central utility plants, data centers, commercial offices, hospitality facilities, entertainment venues, healthcare and life sciences facilities, K-12 and higher education campuses, and correctional centers.
Countywide Mechanical operates the largest plumbing services department in San Diego and offers state-of-the-art building and energy management systems. We work closely with engineers, CEOs, Energy Services Managers, and facilities management to meet the evolving needs of our clients.

Countywide Mechanical is now a Modigent company.
By joining a community of entities that share a comprehensive suite of capabilities, we gain access to collective knowledge and resources, along with extensive skills training, professional development, and career growth opportunities. To learn more about Modigent’s expansive offerings, diverse locations, vibrant culture, and exciting career opportunities, visit modigent.com.