Mario Castillo Electric - Long Beach & the Surrounding Areas' Trusted Electrician


To provide exceptional electrical and solar solutions. 


To deliver dependable, high-quality service to our customers for all electrical and solar projects. We sare committed to being responsive and trustworthy, always offering honest advice and innovative solutions.

mario castillo team

Our Core Values

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Customer-Centric Service

We deeply care about our customers and strive to understand and meet their needs. Our goal is 100% customer satisfaction, and we pledge to exceed expectations in every project, whether electrical or solar.

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We are dedicated to delivering consistent, accurate, and reliable electrical and solar services, ensuring our solutions are always up to par.

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Quality Service

By combining our extensive professional experience and commitment, we save our clients time and money, providing top-notch service in both traditional electrical work and modern solar installations.



We are friendly, knowledgeable, and transparent, offering honest advice and building trust through integrity in all our dealings.

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We prioritize swift and positive responses to customer requests, feedback, questions, and issues, utilizing state-of-the-art technology to enhance communication and ensure exceptional customer service.

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The safety of our clients and technicians is paramount. Our team adheres to strict safety protocols, wearing appropriate protective equipment and practicing responsible measures on every job site, be it electrical or solar.

Mario Castillo van

Why Long Beach & Surrounding Areas' Trusts Mario Castillo Electric

Long Beach & the surrounding areas like Carson, Cerritos and more - have come to rely on Mario Castillo Electric for all of its home and business electrical and solar needs. Mario Castillo Electric is a licensed, bonded, and insured local electrician in Long Beach whose primary goal is to provide reliable and quality service. We are also accredited by the Better Business Bureau (BBB) with an A+ rating. We are also an MBE, certified by the Southern California Minority Supplier Development Council (SCMSDC). We offer expertise in troubleshooting, installation, upgrades and maintenance of residential and commercial wiring systems as well as full-service solar solutions including panels and batteries.

In addition to top-of-the-line services we are known for our excellent customer care and fast response times. On top of this we offer competitive rates; making us the electrical and solar service provider of choice among locals in Long Beach. With years of experience and commitment to complete customer satisfaction, Long Beach and the surrounding areas trusts Mario Castillo Electric with their electrical and solar needs.

Castillo Club

Your home deserves the royal treatment.
Join the Castillo Club today!

Why Should You Choose Mario Castillo Electric?

  • Locally Owned - When you call us, Long Beach Locals answer the phones, not robots or machines.
  • Trained Electricians - Our staff is licensed and insured to handle hundreds of electrical issues, big and small.
  • Upfront Guaranteed Pricing - You’ll know exactly what you’ll be paying before the work begins.
  • Personalized Scheduling - We offer quick response times working around your timetable. 
  • Stocked Trucks - Our trucks are already stocked with thousands of parts to handle any electrical job for your home or business.
  • We are a Tesla Certified Electrician for installing wall connector chargers.
  • We offer a wave of renewable solar energy solutions including solar energy consulting, assessment, customized panel and battery setups, and seamless installation.
Mario Castillo's team

Quality Services at Reasonable Prices

The Mario Castillo Electric team is licensed and insured to deliver premium residential, commercial, industrial and solar energy services. We're friendly, knowledgeable and always give honest advice. We pride ourselves on our exceptional customer service. Whether you need a small wiring fix or a complete panel upgrade or a complete solar energy system installation, Mario Castillo Electric can get the job done right. Our Mission is to provide reliable and high-quality service at competitive prices.


Warranty on Services

Mario Castillo Electric strives to save you time and money by combining professional experience and exceptional service. Our goal is 100% Customer Satisfaction, which is why we don't leave the job until you're satisfied. And, we offer a 1-year warranty on our electrical services - for your peace of mind. Warranty on parts is limited to the manufacturer's warranty.

Expert Technicians

Expert Technicians

Local & Family-Owned Company

Local & Family-Owned Company

Free Financing Options

Free Financing Options

One-Year Warranty on Services

One-Year Warranty on Services

100% Customer Satisfaction Guaranteed

100% Customer Satisfaction Guaranteed

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.

What Payment Methods Does Mario Castillo Electric Accept?

We accept a variety of payment options including e-checks/ACH payment, Venmo, Zelle, credit cards and checks.

Are There Any Financing Options?

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. Click here to learn more.

Can You Tell Me Exactly How Much This Electrical Job Will Cost Me?

Yes, we will let you know exactly what it will cost to get the job done before we begin the job and we will stick to our pricing.

Why Should I Get an Electrical Inspection In My Home?

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.

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