General Contracting

With 25+ years of commercial and residential project experience, you're in experienced, detail-oriented hands.  Let us help you bring your vision to life.

Facilities Maintenance

We've served hundreds of HOA's, hotels, property management companies. Let us create a specialized solution for your building maintenance needs. 

Technology Solutions

From nuts to bolts, wires to buttons, we have your solution.  Our technology experts will fortify your existing systems, or help you create new, individualized tech solutions.



For over 25 years, the team at C2Si has been providing facility maintenance, construction and technology solutions for clients throughout Southern California. C2Si continues to thrive in an increasingly competitive and challenging business environment because of our unparalleled combination of industry knowledge, training, and experience.

We have direct industry experience building and managing projects of virtually every type throughout Southern California, with specialization in commercial and HOA construction projects. Additionally, our team members have provided quality assurance oversight and review on over 2700 projects across the country and similarly, expert witness support on construction defect cases across

the country together ranging well into the hundreds of millions of dollars.

Our team combines years of experience in military, commercial, industrial, and residential building, service, and installation. With our extensive background in quality assurance for builders and developers, and in construction defect litigation, we are able to bring an additional level of scrutiny to any project that traditional firms are unable to match.

At C2Si, we are passionate in the belief that from adversity comes opportunity. Challenging economic times provide the opportunity for companies like ours to get leaner and more focused and to differentiate ourselves on factors like customer service, attention to detail, and always providing value to our clients.

As a result of that focus, our clients have made C2Si. one of the fastest growing companies in the United States, according to INC Magazine, and the #5 Fastest Growing Company in San Diego in 2015 according to the San Diego Business Journal.




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For any inquiries, questions or commendations, please call: 949-600-6480 or fill out the form below.

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Corporate Office

2195 Faraday, Suite B 

Carlsbad, CA 92008



Tel: 949-600-6480


To apply for a job with C2Si Facilities Solutions, please send a cover letter together with your C.V. to: info@c2si.com

Get an estimate: 949-600-6480