Orange County’s
Leading Commercial Construction Team

CSI Construction is a proven leader in commercial construction projects throughout Orange County, CA. With a track record of over 25 years of service, we've built a reputation for quality commercial tenant renovations, industrial construction projects, ADA approved retrofits, and more. We can work with your project manager to ensure your project is finished on time and budget, and we stand behind our work. We specialize in a wide range of construction services that range from general construction design to final finish work, and we'll strive to exceed your expectations. Contact us now to schedule a consultation and estimate. 

Commercial tenant renovations and industrial construction expertise

No matter the size or scope of your tenant building renovation, we can ensure the job is done right. Our team of expert contractors and technicians has over 50 years of combined construction experience, and we're fully licensed, bonded, and insured for your peace of mind. We handle all areas of commercial site construction, from design and demolition to framing, foundations, and ADA-compliant installations. Find out more by contacting us today. 
Tenant Improvements

Over 25 years of service


Centrally located in Costa Mesa, CA, our construction firm has served all of Orange County for over 25 years. We offer a range of construction services. We can design, build, or renovate any building size. We've provided some of the finest project oversight on industrial sites, commercial and retail buildings, and tenant housing across the region, and we're happy to work with your budget and meet your deadlines. Call us now to find out how we can best serve you.

Comprehensive design and building services

For over two decades, we've provided quality construction expertise for commercial, industrial, retail, and residential tenant projects. Our team of construction experts specializes in:
  • Construction design
  • Commercial and retail construction
  • Industrial and healthcare facility construction
  • ADA-compliant renovations
  • Affordable commercial project oversight
No matter the complexity of your project, you can rely on our team to offer premium service, professionalism, and clear communication. When you want reliable, affordable and efficient commercial construction expertise, there's no better choice than CSI Construction.
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