Mario Castillo Electric Offers Financing Options for Your Electrical and Solar Energy Projects
Financing projects like electrical services and solar energy services is easier then ever with Mario Castillo Electric's financing options. We support our customers in their quest to live safely, more efficiently, in compliance and in support of sustainability! See our options for Electrical Services (OPTIMUS) and Solar Energy Services (Mosaic). Have questions? Reach out via phone today!
Electrical Service Financing
We've partnered with OPTIMUS to offer our customers flexible financing options for their electrical projects, so you can pay over time rather than all at once. The application takes about a minute to complete, and checking your options does not impact your credit score.

High-Quality Electrical and Solar Services from the Experts at Mario Castillo Electric.
At Mario Castillo Electric, we are dedicated to providing our clients with the utmost care and professionalism in all of our electrical and solar energy services. Our team is comprised of experienced and licensed professionals with the expertise to tackle any residential, commercial or industrial electrical or solar energy needs. To us, customer satisfaction is of the utmost importance, and we always ensure that our clients are thoroughly informed throughout each stage of the project. As a licensed and insured company, we take pride in delivering reliable and high-quality service while maintaining competitive prices. Trust us to get the job done right, and experience the peace of mind that comes with working with a reputable and dedicated electrical and solar energy services team.
Check out our Blog
Powering Financial Infrastructure for Southern California's U.S. Bank Locations
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When U.S. Bank needed reliable, high-quality commercial electrical solutions across 82 Southern California locations, Bluefin LLC, a subsidiary of Mantis...
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