(831) 425-2608



Founded in Santa Cruz in 2004, Allterra Solar has been providing environmental engineering and solar construction services for more than a decade. Allterra Solar’s team is comprised of vetted, experienced solar builders and we actively recruit professionals with impressive work ethic and knowledge of the solar power industry. With thousands of solar installations in Santa Cruz and the surrounding area under our belt, our team prides itself on quality installs that have led to more than 50% of our business coming from word-of-mouth referrals. We’ve taken on solar projects ranging from complex commercial installs that required engineered carports to straightforward residential projects for homeowners looking to save on monthly electricity bills. With our wide range of experience and expertise, Allterra is the clear choice for your solar 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 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.