Sturdy Functional

All Avendren buildings come pre-approved. Learn More

Our permanent factory-built structures have been approved by the Division of the State Architect (DSA) for 15 climate zones and with the latest earthquake ratings, making the construction process easier and faster wherever your school is located. Quality construction, flexible infrastructure, and on-demand expansion you can count on for decades.

Complete Accessibility

Complete accessibility for all learners and educators. Learn More


Avendren is committed to making learning accessible to all, not only by providing high-quality budget-conscious construction options but by ensuring that all buildings are ADA friendly. We're committed to making the classroom a safe and easy destination for all.

Off Site Construction

Off-site construction for cleaner, safer projects. Learn More

Avendren uses a controlled construction environment to provide expert execution on every project, with fewer materials and personnel needed on site, less interference/interruption on your campus, and fewer variables that affect time, quality, and project outcomes.

Budget Friendly

High value and fixed costs for budget-friendly building. Learn More

Factory-made permanent structures give you durable and lasting structures, without the risk of cost overruns or construction delays. Whether you need a single classroom or a full school, we have you covered, typically within 60 days from site readiness.

More Classrooms

Everything your school needs, nothing you don't want. Learn More

Reverse-engineered to meet the needs of 21st century learners and communities, Avendren buildings are an affordable way to add more classrooms and other needed facilities without excess waste, added expenses, and high long-term maintenance demands.

The Avendren Difference

Avendren takes the compromise out of your construction. Our unique building process maximizes safety, value, and cost-effectiveness while helping childhood development centers, schools, and other educational institutions stay on budget while meeting their immediate and long-term structural needs

Using proprietary off-site building methods, Avendren radically reduces your construction timeline and onsite footprint while providing permanent buildings for classrooms, administrative offices, and more. Working with Head Start facilities, military bases, tribal and Indian governments, and public and private schools and universities of all sizes, Avendren provides smooth transitions that improve safety, security, and the learning environment by limiting the disruption to your campus. From a single classroom to an entire school, Avendren gives you high-quality structures that will continue to serve your community for years.

Smartly built. Simply better. That’s the Avendren difference.

Proven Design

Avendren is DSA approved for 15 climate zones.
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Value Driven

Innovative construction for cost effective building.
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Long-Term Reliability

Durability and sustainability to serve your community for decades.
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Approved Accessibility

Flush-to-grade concrete floors are ADA friendly and stair-free.
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Ready to Start?

Contact us today and receive expert service and support from concept to completion.

Meet Chuck, Our Founder

With more than forty years’ experience owning and operating construction and manufacturing businesses, Chuck started Avendren to bring his commitment to quality and his innovative construction process to California’s schools.  He considers graduating from Corona High School the toughest job he ever completed, and he credits his teachers – especially his agriculture teacher, Mr. Lyle J. Hawley – for helping him see the task through.  His perseverance and work ethic helped him start several successful construction businesses, and his businesses grew quickly in an era when a handshake deal came with a promise of high quality and job well done, no matter how big the project. Keep reading