Mario Castillo Electric - Long Beach’s Trusted Electrician


To provide exceptional electrical services 

Our passionate team provides efficient and reliable solutions to any issue. We prioritize prompt and reliable service for your convenience. With professionalism, transparency, and integrity, we ensure exceptional customer service. Trust us for all your electrical needs - maintenance, repairs, and installations.


To provide dependable and outstanding quality service to its customers for all sorts of electrical projects. We strive to be responsive and trustworthy by always giving honest advice.

 We understand the importance of a dependable electrical system and are committed to meeting all your needs. Our team of skilled professionals goes the extra mile to ensure you receive the best service, whether it’s for a major project or a quick repair. Trust us to be responsive and trustworthy.

mario castillo team

Our Core Values

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Customer-Centric Service

We care about our customers, and we strive to be empathetic to customer desires and demands. Our goal is 100% Customer Satisfaction. We pledge to meet and exceed customer expectations on every electrical project we undertake.

We value client feedback and strive to understand their needs, going above and beyond to deliver exceptional electrical projects.

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We are committed to providing electrical services in a consistent, accurate, and reliable way.

We understand the importance of reliable electrical services.

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Quality Service

We strive to save our clients time and money by combining our professional experience and dedication to delivering outstanding electrical services.

We recognize the significance of reliable, efficient, and high-quality electrical services, which is why we deliver exceptional results. You can trust us to help you meet your electrical needs and achieve your goals.



We strive to be friendly, knowledgeable, and always give an honest advice.

Trust is the foundation of all successful partnerships, and we are committed to earning and keeping yours. 

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We strive to reply to our customer requests, feedback, questions, and issues swiftly and positively. To achieve this, we will use state-of-the-art technology to support exceptional communication with our customers. 

We acknowledge that time is valuable and strive to ensure our customers receive the best possible service promptly.

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Our client’s and technician’s safety are our top priority. Our electricians will always wear the required protective equipment that suits the task and implement responsible safety measures while working at the job site. 

When you choose to work with us, you can trust that our electricians will adhere to and implement responsible safety measures on the job site.

Mario Castillo van

Why Long Beach Trusts Mario Castillo Electric

Long Beach has come to rely on Mario Castillo Electric for all of its home and business electrical 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.

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 service provider of choice among locals in Long Beach. With years of experience and commitment to complete customer satisfaction, Long Beach trusts Mario Castillo Electric with their electrical 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.
Mario Castillo's team

Quality Services at Reasonable Prices

The Mario Castillo Electric team is licensed and insured to deliver premium residential, commercial and industrial 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, 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 6-month warranty on our electrical service - 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 industry, and we pride ourselves on providing exceptional service to our clients. We understand that navigating the world of electric 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.

Check out our Blog

Introducing the Castillo Club

Jan 25, 2024 | Press Release

Introducing Mario Castillo Electric’s Castillo Club  A New Era of Home Safety in Long Beach & Surrounding Areas! We have...

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Different Types of Electrical Switches for Your Business

Dec 28, 2023 | Electrical Rewire

Running a business can be challenging, but fortunately, there are many options available when it comes to electrical switches that...

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Single-Phase VS. Three-Phase Systems: What to Know

Nov 20, 2023 | Panel Upgrade

As a business owner, it is crucial to have a clear understanding of your power system to ensure that your...

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