Founded in Santa Cruz in 2004, Allterra has been providing environmental engineering and construction services for 10-years. Allterra Solar’s team is comprised of vetted, experienced solar builders.  We actively recruit solar professionals with impressive work ethic and knowledge.  Our team has thousands of installations under our belt. From commercial projects that require engineered carports to homeowners looking for a way to save on monthly electricity costs, Allterra is the clear and experienced choice for your project.


We Come Prepared

Allterra Solar is a fully licensed and insured engineering and construction firm. Our licenses include A, B, C-10, and C-46. We are licensed for any solar project and even hydroelectric dams for that matter.  We employ a team of engineers, solar designers, NABCEP™ certified professionals, and highly skilled solar and electrical builders.



Allterra Solar offers the most competitive prices in the industry. Our experience and operation planning increases our efficiency, reducing the cost of our solar installations. We offer the best quality at the most competitive rates possible. Already have proposals from other firms? Request a free site assessment and see how we stack up against the competition.

Local Solar Power

Allterra Solar sources materials and services from locally owned businesses. We believe supporting locally owned small businesses is key to our central coast economy and job growth. Since 2004 Allterra has spent an estimated $5.4 million dollars locally.  Watch our Meet Allterra Video to learn more.