
K-12
Classrooms, gymnasiums, and STEM buildings delivered on district schedules.

Established in 1956
For over 70 years, Caston has helped build Southern California's most demanding projects with specialty craftsmanship, dependable crews, and a reputation earned one job at a time.
Customers call Caston.
01 What We Self-Perform
And Whatever Comes Next
And whatever the project asks for next.
Seventeen trades in house today. The list grows every time a project needs it to.
02 The Full Picture

Project Spotlight
Los Angeles, CA
A marquee athletics facility with specialty finishes on a campus that does not tolerate schedule slip.
03 The Rare Combination
Large contractor, or personal service. Corporate capability, or owner accessibility. Scale, or accountability. Every general contractor has been asked to pick one.
Big enough to handle the most demanding projects. Personal enough to still answer the phone.
Many of our largest competitors are owned by multinational firms whose executives have never set foot on a job site. At Caston, the person you reach has done the work, knows the project, and stands behind it.


04 Market Sectors

Classrooms, gymnasiums, and STEM buildings delivered on district schedules.

Campus work where the building has to be finished before the term starts.

Hospital environments with the inspection rigor that comes with them.

Ground-up and tenant work across Southern California markets.

Public works and community buildings held to public accountability.

Matching original craft with modern code, without erasing the building.

Finish work where the tolerance is measured in what the eye catches.

Resort and guest-facing environments where finish quality is the product.
05 Selected Projects




















































































More Of The Work

Project Spotlight
San Bernardino, CA
A neighborhood elementary campus rebuilt for the district.
06 What Holds It Up
01
Built by people you can count on.
Caston's reputation isn't built by a logo, a bid, or a brochure. It's built by the crews in the field, the project managers who pick up the phone, and leaders who have actually stood on the job site. When something matters, you don't get a call center. You get someone who cares as much as you do.
02
Reputation earned. Never borrowed.
For over 70 years, Caston has earned trust one relationship at a time. Customers don't stay because of marketing. They stay because Caston consistently delivers.
03
The work others hesitate to take on.
When projects become technically demanding, when details become highly specialized, when others hesitate, Caston leans in. Not because they're fearless. Because they've learned how.
04
The person you call owns the outcome.
Problems don't wait for committee meetings. At Caston, decisions happen close to the work. Customers don't navigate layers of bureaucracy. They reach people who know the project.
05
Partners until the job is done.
Caston doesn't disappear when challenges arise. They move toward them. Every project is approached with one philosophy: us and the customer versus the problem.
06
Everyone working toward the same goal.
When something unexpected happens, the question isn't whose fault this is. The question is how we solve it together. That's why customers keep calling.
07 In Their Words
“The Stonegate Elementary Project has been deemed a huge success by both C.W. Driver and the Irvine Unified School District. These accolades are due in large part to Caston's excellence on the job. Your office and field stood out as one of the best Contractors. Period.”
“Caston has done a great job on this project, not only the scope of work was performed with no injuries but ahead of time. The building looks amazing. Kudos to you all.”
“Your team always performs and exceeds expectations. Dave and I never worry when we have Caston on our projects. Thank you for being a valued partner with Erickson-Hall.”
“Your firm is honest, intelligent and hard-working and it has been a real pleasure to work with everyone in your company. Thanks for a first rate experience.”
08 Safety
Every project runs on people, and every person has someone waiting for them at the end of the day. Caston has never believed a schedule is worth a shortcut.
For a general contractor, that isn't a nice-to-have. A safe subcontractor means fewer incidents, fewer delays, and fewer questions from the owner.
How We Work SafeWhere capability and accountability exist together.
Talk to Caston