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). 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
Why Every Business Needs a Commercial Electrical Maintenance Program (Before It's Too Late)
Mar 23, 2026 | Commercial, Troubleshooting
Why Proactive Maintenance with Mario Castillo Electric Always Wins Power outages, electrical failures, and unexpected repairs aren’t just inconveniences for...
Read MoreThe Benefits of Upgrading Your Electrical Panel
Mar 10, 2026 | Panel Upgrade
When was the last time you thought about your home’s electrical panel? For many, it’s an overlooked yet crucial part...
Read MoreGrid-Tied Versus Off-Grid Solar for Commercial Buildings
Feb 16, 2026 | Commercial, Solar Energy
Rising energy costs, grid instability, and sustainability goals are pushing more businesses to explore solar power systems. For commercial properties,...
Read More
South Bay and Orange County Communities We Serve
LA County / Southbay Cities:
Carson, Cerritos, Compton, Downey, Gardena, Harbor City, Hawaiian Gardens, Lakewood, Lomita, Long Beach, Norwalk, San Pedro, Signal Hill, Palos Verdes Peninsula, Torrance, Wilmington, Lynwood, Lawndale, La Mirada, Paramount, Artesia, Hawthorne, Willowbrook
Orange County Communities:
Rossmoor, Alamitos, Cypress, Seal Beach, Irvine, Buena Park, La Palma, Fullerton, Anaheim, Westminister, Stanton, Midway City, Orange, Garden Grove, Fountain Valley, Costa Mesa, Santa Ana, Newport Beach, Tustin/North Tustin, Huntington Beach, Villa Park, Placentia, Yorba Linda