Faster builds. Higher performance. Lower cost.
4C turns any architectural design into certified, factory-built exterior wall panels, interior partitions, and roof and floor framing. We deliver the complete 4C scope through one coordinated process from design through installation and warranty.
Construction should deliver more.
Traditional construction depends on fragmented teams, disconnected handoffs, and too much field labor. 4C brings design coordination, manufacturing, delivery, installation, and warranty into one system, reducing schedule risk, cost uncertainty, and inconsistent performance without changing how projects are designed, permitted, or financed.
“A Better Way to Build Without Changing the Building: 4C replaces multiple materials and on-site trades with a standardized, factory-built system that delivers faster dry-in, higher performance, and greater certainty. The building itself, from design and permitting to financing and inspection, remains entirely conventional.”
As seen in the news.
See how 4C is meeting the urgent need for fire-resilient construction with factory-built speed and precision, predictable schedules, and the flexibility to bring any architectural design to life.
Our name is our standard and our vision.
4C stands for Cost, Carbon, Complexity, and Compliance, four lenses guiding every decision. It also reflects our vision to foresee construction's future and make it adoptable today, delivering better outcomes and measurable value.
Cost
Reducing upfront, carrying, and operating costs through factory efficiency, faster installation, and higher performance.
Carbon
Reducing embodied and operational carbon through efficient, high-performance assemblies, and less jobsite waste.
Complexity
Replacing fragmented trades, suppliers, and handoffs with one coordinated process from design through installation.
Compliance
Traditional planning, permitting, and inspections, supported by documented, ICC-ES-listed assemblies.
Licensed, listed, and ready to build.
Licensed General Contractor
CSLB #1145002
California General Building Contractor (B), licensed, bonded, and insured.
Licensed Architect
CAB #C-41299
California-licensed architect supporting design and coordination of the 4C system.
Code-Listed Assemblies
SAFE and ECO use code-listed assemblies
Tested and documented assemblies, with options for a wide range of building types and code requirements.
Certified — Made in California
Recognized by the State of California
4C Construction Systems is a certified participant in California’s Made in California labeling & marketing program, administered by the Governor’s Office of Business and Economic Development (GO-Biz).
Headquartered in the Bay Area. Building across California.
Our manufacturing facility sits at 2447 Industrial Parkway, Hayward, CA, giving us direct reach into the San Francisco Bay Area, and efficient logistics to project sites throughout the state, including Los Angeles, San Diego, and Sacramento. We're currently running a dedicated rebuild program for homeowners and builders in Altadena and the Pacific Palisades.
Let's talk about your next project.
Whether you're starting a new project or rebuilding after fire loss, our team is ready to help.