Tenant Improvements in Southern California
Custom Commercial Renovations to Fit Your Business
At CBX Construction, we deliver tailored tenant improvement (T.I.) solutions for business owners, landlords, and property managers across Southern California. Whether you’re remodeling an office, reconfiguring a retail space, or building out a warehouse, our team helps you make the most of your commercial property.
We’re a licensed general contractor based in Ontario, CA, with deep knowledge of the unique permitting, compliance, and scheduling challenges that come with working in active commercial environments. As a licensed contractor in Ontario, we provide T.I. services throughout San Bernardino, Riverside, and Orange Counties with a deep understanding of local codes.
Tenant Improvement Services We Offer
Office Build-Outs
New layouts, partitions, flooring, lighting, and finishes
Retail Space Renovation
Rebranding, reconfiguring, or refreshing to attract customers
Interior Build-Outs
Demolition, framing, drywall, and finish work
Code & ADA Compliance
Bringing your space up to spec with local and state building codes
Warehouse/Industrial Upgrades
Lighting, dock equipment, bathrooms, breakrooms, etc.
MEP Coordination
Electrical, HVAC, plumbing, and fire/life safety systems
Why Work with CBX Construction?
One Job at a Time
We focus fully on your project from start to finish
Commercial Specialists
Our work is designed for high-traffic, high-use business environments
Code Expertise
We understand city-specific requirements across Southern California
Direct Communication
No runaround — just one team, hands-on, start to finish
Transparent Pricing
No surprises, change orders only when necessary
Where We Work
CBX Construction provides tenant improvement services throughout the Inland Empire and beyond. If you’re looking for a contractor in Ontario, we’re based locally and know how to navigate city requirements. We work across San Bernardino County, helping local businesses optimize their space.
San Bernadino County
Riverside County
Orange County
Let's Build a Space That Works
Tell us about your tenant improvement project and we’ll provide a clear, honest quote—no padded extras, no vague timelines. Whether you need a full buildout or just minor renovations, CBX Construction is your reliable commercial contractor for Southern California. Call us directly or send us a message below.
