• Welcome to
    J M Sierra Company

    J M Sierra Company is a Leading General Contractors + Engineering Firm Serving Southern California Learn More

  • Welcome to
    J M Sierra Company

    J M Sierra Company is a Leading General Contractors + Engineering Firm Serving Southern California Learn More

  • Welcome to
    J M Sierra Company

    J M Sierra Company is a Leading General Contractors + Engineering Firm Serving Southern California Learn More

About Us

J M Sierra Company is a full-service construction firm, offering a variety of services, including engineering, pre-construction consultation, budget analysis, value engineering, and construction management for commercial, industrial, institutional and residential clients.

What Clients Are Saying

Thanks for providing such good people to do such good work in a short amount of time. You've been great!Laurel & Jim Patric, Glendale, CA