The electrician

The electrician

The electricianThe electricianThe electrician

that brings unparalleled electrical services to your project!

About Us

Residential, commercial and industrial electrical services

Reliable Electrician

We are licensed and insured. We specialize in residential, commercial and industrial electrical services and are dedicated to providing customer service that is second to none. Whether you need a small wiring fix or  a panel upgrade, we can get the job done right. 


Flexible Services

We provide you with a full consultation to explain your available options so that you can choose the scope of work that’s right for your home or business  and your budget. 


Customer Satisfaction Guaranteed

Electrician in Long Beach that strives to save you both time and money by combining our deep experience, the highest quality parts and equipment, and our dedication to delivering exceptional service. We will not leave the job until you are satisfied.

We offer 6-month warranty on our electric services. Warranty on parts is limited to the  manufacturer's warranty. Our goal is to provide these services while  shining the light in all we do. Let us show you what we're about and you won't be disappointed. Contact Mario Castillo Electric Inc is an electrical contractor company that provides outstanding services. 

Electrical services

electrical services provided

Residential Electrical:

  • Single & Multi-Family Home Wiring
  •  Service and Panel Board Upgrades 
  • High-Tech Troubleshooting & Expert Repairs
  • Meter box upgrade, load calculation, electrical design
  • Circuit breakers and fuses replacement
  • Receptacles and electrical outlet / switches changes and upgrades
  • Installation of chandeliers, outdoor, & indoor lights
  • Code Corrections
  • Track & Accent Lighting
  • Ceiling fans, bathroom exhaust fans installation
  • Dedicated 120 & 220 Volt Circuits
  • Phone & Data/Communication Lines
  •  Air-Conditioning Wiring & Hook-Ups 
  • Recessed Can Lighting
  • Security & Landscape Lighting
  • Smoke Detectors
  • Ground Fault Interrupt Circuits
  • Appliance Circuits
  •  Home Automation, Intercom, Doorbell Systems, & Wiring
  • Hot Water Heater & Thankless Electrical Wiring Hookups 
  • Spa or Jacuzzi Tub Hookups 
  • And Much More…

 Industrial Electrical:

  • Troubleshooting & Repairs
  • New Meters Panels & Upgrades
  • Main & Sub Panel Maintenance
  • 480 Volt Meter Service G.F.I. Certification
  • Breaker & Fuse Repairs
  • 220 & 480 Volt Three Phase Wiring & Equipment Hook-ups
  • Indoor / Outdoor Lamps & Ballast Repairs
  • Exit & Emergency Power Outage lighting
  • Parking Lot & Security Lighting
  • Time Clocks & Photo Cells
  • New Panels & Transformers
  • Motor Control Circuits
  • Code Violations & Repairs
  • Plant Relocation & Expansions

 Commercial Electrical:

  • Troubleshooting & Repairs
  • Breaker & Fuse Repairs
  • 277 Volt Commercial Lighting Repairs & Installations
  • Indoor / Outdoor Lamps & Ballast Repairs
  • Exit & Emergency Power Outage lighting
  • Restaurant Equipment Hook-ups
  • Time Clocks & Photo Cells
  • 220 & 240 Volt Dedicated circuits
  • Copiers, Faxes and Computer circuits
  • New Panels & Transformers
  • Code Violations & Repairs
  • Motor Control Circuits
  • Title 24
  • Business Relocations & Expansions
  • Business, Retail, Restaurant & Office Tenant Build-Outs 

Contact Us

We strive to be in constant communication with our customers until the job is done. To get a free quote, or if you have questions or special requests, just drop us a line. We look forward to serving you!

Mario Castillo Electric Inc.

Address: 444 West Ocean Boulevard Suite 800, Long Beach, California 90802, United States

License # 1043791 Tel: (562) 273-4660 Email:


Open today

09:00 am – 05:00 pm

Monday - Saturday: 8am - 5pm

Sunday: Closed


Service Areas

Southwest Los Angeles : 

 Carson / Compton / Downey / Gardena/ Harbor City / Hermosa Beach / Lakewood / Lomita / Long Beach / Norwalk / Palos Verdes Peninsula Cities / Redondo Beach / San Pedro / Signal Hill /  Torrance / Wilmington.

Get a Free Quote