Residential
As we rely more and more on technology and electricity, ensuring the safety and functionality of the electrical systems in your home is crucial. The right electrical service provider can save you time, and money as well as prevent dangerous electrical emergencies or malfunctions.
Commercial
Whether it’s a new installation or a repair, the professionals at Mario Castillo Electric have a unique skill set that allows them to tackle even the most complex electrical systems. From powering an entire office to overseeing an intricate warehouse system, our staff will make sure your facility is running with little to no downtime so you can focus on growing your business.
Industrial
Our team of experienced and licensed electricians is committed to ensuring safety, reliability, and efficiency in all industrial electrical work. We understand the unique needs and demands of industrial facilities, and we work closely with our clients to develop customized electrical solutions that meet their specific requirements.
Contact Us Today
We strive to be in contact communication with our customers until the job is done. We look forward to helping you!
"*" indicates required fields
High-Quality Electrical & 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 services. Our team is comprised of experienced and licensed professionals with the expertise to tackle any residential, commercial or industrial electrical and solar 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 team.
Our Trusted Electrical & Solar Services
Our team is equipped to handle any size project, from minor repairs to large-scale installations. We are committed to exceeding our clients’ expectations while maintaining the highest level of safety and integrity. Trust us to deliver outstanding results for your electrical and solar services.
Check out our Blog
Empowering Homeowners Associations (HOA) to Fund Essential Electrical Projects
Mar 27, 2025 | Financing, Residential Electric
Let Mario Castillo Electric Take the Heavy Lifting Out of HOA Projects & Maintenance When it comes to maintaining and...
Read MoreHarnessing the Power of the Sun: Mario Castillo Electric's Latest Solar Project
Mar 11, 2025 | Solar Energy
Setting Up This Long Beach Home Owner for Solar Savings At Mario Castillo Electric, we believe in the transformative power...
Read MoreWhy South Bay & Orange County Homeowners Should Consider Upgrading Their Electrical Panels
Mar 04, 2025 | Panel Upgrade
Is your home’s electrical panel keeping up with your energy needs? For many homeowners in South Bay and Orange County...
Read More
Your home deserves the royal treatment.
Join the Castillo Club today!
Mario Castillo Electric Specials
Take advantage of our expertise to keep your home's electrical system running smoothly and safely with our money-saving offers. Contact us now to schedule your appointment.
10% Off
Any Job
Trust the experts at Mario Castillo Electric with your next electrical service. Note: offer does not apply to Panel Upgrade or electrical rewire jobs.
*Valid on services $250 or more. Must mention offer during estimate or time of service. Valid for new customers only. Cannot be combined with other offers.
$25 Off
Any Job
Enjoy quality services at affordable prices.
*Valid on services $250 or more. Must mention offer during estimate or time of service. Valid for new customers only. Cannot be combined with other offers.
$200 Off
Panel Upgrade
Keep your home safe from fire hazards with the most up-to-date panel for your home.
*Valid on services $250 or more. Must mention offer during estimate or time of service. Valid for new customers only. Cannot be combined with other offers.
Frequently Asked Questions
Mario Castillo Electric is a trusted name in the electric and solar energy industries, and we pride ourselves on providing exceptional service to our clients. We understand that navigating the world of electric and solar services can be confusing, which is why we’ve compiled a list of common questions. View our resource below for homeowners and businesses.
We accept a variety of payment options including e-checks/ACH payment, Venmo, Zelle, credit cards and checks.
Yes. We offer a great financing option through Wisetack that will allow you to pay month-to-month. Many of our customers have already been approved and used this service successfully.
If your home is 50 years old or older, you probably need to rewire your home. You might be noticing flickering or dimming lights that need to be changed regularly, breakers that trip frequently, and broken or cracked sockets. Also, if your outlets are not grounded, you don't have enough sockets and the fuse electrical panel is old, rewiring your home, is the solution.
There are many reasons. When many of these old houses were built, there was no such thing as a building code. Over the years, you may have worked hard to get your home up to code, but you never know what you may have missed. An electric inspection can help you determine if your home's electrical system is up to code and provide code corrections where needed.
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