Top-rated electrical switches, outlets & fixtures installers or repairers.

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Find Electrical switches, outlets & fixtures installers or repairers in Castro Valley

Avatar for Atomic Telecomm & Electrical Inc.

Atomic Telecomm & Electrical Inc.

4.94(
8
)
Approved Pro

Atomic Telecomm & Electrical Inc.

4.94(
8
)
Approved Pro
Customers say: Quick response
36 years of experience
Free onsite estimate

We can take on a wide range of residential projects to include computer network or wiring, telephone, security system installs and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Job was tough due to small working space. They persisted and got the work done! Appreciated the extra help with cleanup and arranging the dryer for maximum efficiency."

Sheree L on November 2024

We can take on a wide range of residential projects to include computer network or wiring, telephone, security system installs and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Job was tough due to small working space. They persisted and got the work done! Appreciated the extra help with cleanup and arranging the dryer for maximum efficiency."

Sheree L on November 2024


Avatar for Sercerval Electric LLC

Sercerval Electric LLC

5.00(
4
)
Approved Pro

Sercerval Electric LLC

5.00(
4
)
Approved Pro
Customers say: Quick response
Free onsite estimate
Emergency services offered

Sercerval Electric LLC gives you the top-quality electrical services that you deserve. For more information about our services and pricing please feel free to call us. We serve in Turlock, CA, Denair CA; Livingston CA; Delhi CA; Waterford CA; Hughson CA; and the surrounding areas. Industrial Electrician, Electrical Automation, Outdoor Light Installation, Whole House Rewiring, General Electric Service Professional Electrician, Reliable Electrician, Affordable Electrician, Quality Electrician, Trusted Electrician For more information visit our website: https://electricianturlock-ca.com/

"Servecel was great. I would recommend and use again. "

Glen C on January 2026

Sercerval Electric LLC gives you the top-quality electrical services that you deserve. For more information about our services and pricing please feel free to call us. We serve in Turlock, CA, Denair CA; Livingston CA; Delhi CA; Waterford CA; Hughson CA; and the surrounding areas. Industrial Electrician, Electrical Automation, Outdoor Light Installation, Whole House Rewiring, General Electric Service Professional Electrician, Reliable Electrician, Affordable Electrician, Quality Electrician, Trusted Electrician For more information visit our website: https://electricianturlock-ca.com/

"Servecel was great. I would recommend and use again. "

Glen C on January 2026


Avatar for Dalcon Electric

Dalcon Electric

4.81(
357
)
Approved Pro

Dalcon Electric

4.81(
357
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
240 local quotes requested

We are an Electrical Contracting Company providing top quality electrical services to South Bay, East Bay, and the Peninsula! David Lee, the owner of Dalcon Electric, started doing electrical work in the San Jose area over 30 years ago. Then, in 1993, he started Dalcon Electric in San Jose. With over 30 years of experience in both residential and commercial work, we take pride in our expertise and professionalism. We always give you a fair price and can often recommend ways to save you money on your electrical job. We are family owned and operated company! We are also licensed, bonded, and insured! Give us a call today! You’ll be in good hands! Ask about our Angie's List coupon and senior discounts. Award winning. Certified Copalum Installers. SPAN Certified Installers.

"Services went great. They arrived early very professional completed. The job completely cleaned up after they were done and were very professional during the entire project. I couldn’t recommend the gentleman any higher."

Chris (dad) B on July 2025

We are an Electrical Contracting Company providing top quality electrical services to South Bay, East Bay, and the Peninsula! David Lee, the owner of Dalcon Electric, started doing electrical work in the San Jose area over 30 years ago. Then, in 1993, he started Dalcon Electric in San Jose. With over 30 years of experience in both residential and commercial work, we take pride in our expertise and professionalism. We always give you a fair price and can often recommend ways to save you money on your electrical job. We are family owned and operated company! We are also licensed, bonded, and insured! Give us a call today! You’ll be in good hands! Ask about our Angie's List coupon and senior discounts. Award winning. Certified Copalum Installers. SPAN Certified Installers.

"Services went great. They arrived early very professional completed. The job completely cleaned up after they were done and were very professional during the entire project. I couldn’t recommend the gentleman any higher."

Chris (dad) B on July 2025


Avatar for Line Load Electric

Line Load Electric

5.00(
15
)
Approved Pro

Line Load Electric

5.00(
15
)
Approved Pro
1 years of experience
Free onsite estimate

We are committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients. We guarantee your satisfaction!

"He did perfect professionally complete the job on time. I am very impressed and pleased from his performance."

Rakesh D on December 2025

We are committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients. We guarantee your satisfaction!

"He did perfect professionally complete the job on time. I am very impressed and pleased from his performance."

Rakesh D on December 2025


Avatar for Electrical Pro

Electrical Pro

5.00(
11
)
Approved Pro

Electrical Pro

5.00(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4 years of experience

Electrical Pro provides Electrical Services for Hospitals and Health Care Facilities, Government and Department of Defense (DOD) Facilities, Residential Homes, Commercial Office Buildings, Industrial Manufacturing Facilities, Industrial Processing Facilities, Package Delivery Facilities, Package Sortation Facilities, Conveyors, Schools, Colleges, Universities, Libraries, Restaurants, and Storage Unit Facilities in the East Bay Area, CA. Call or click to schedule an estimate today! https://www.electricalpro.com

"It is my pleasure to recommend Anthony. He is knowledgeable, conscientious, highly skilled and professional. Before I could get back to him, he followed up with me by phone and was able to schedule and complete the work within the same day of contacting me. He came to the job with all necessary tools & replacement parts and completed the work within an hour. I will certainly call Anthony for any future electrical projects and plan to recommend him to my friends."

Cheryl R on February 2024

Electrical Pro provides Electrical Services for Hospitals and Health Care Facilities, Government and Department of Defense (DOD) Facilities, Residential Homes, Commercial Office Buildings, Industrial Manufacturing Facilities, Industrial Processing Facilities, Package Delivery Facilities, Package Sortation Facilities, Conveyors, Schools, Colleges, Universities, Libraries, Restaurants, and Storage Unit Facilities in the East Bay Area, CA. Call or click to schedule an estimate today! https://www.electricalpro.com

"It is my pleasure to recommend Anthony. He is knowledgeable, conscientious, highly skilled and professional. Before I could get back to him, he followed up with me by phone and was able to schedule and complete the work within the same day of contacting me. He came to the job with all necessary tools & replacement parts and completed the work within an hour. I will certainly call Anthony for any future electrical projects and plan to recommend him to my friends."

Cheryl R on February 2024


Avatar for Perfect Star Heating and Air Conditioning

Perfect Star Heating and Air Conditioning

4.91(
261
)
Approved Pro

Perfect Star Heating and Air Conditioning

4.91(
261
)
Approved Pro
Super Service Award
Customers say: Quick response
972 local quotes requested
10 years of experience

With over 30 years of experience, Perfect Star Heating, Cooling, & Electrical is a locally owned and operated family business serving Alameda & Contra Costa County. We service all makes and models, offering top-quality comfort and energy efficiency solutions. Specializing in Furnace/Heating, Air Conditioning, and Ductless Mini-Split installation, we also provide repair and maintenance for Central HVAC systems, Ductwork, Indoor Air Quality, Electrical Repair & Installation, and Solar Installation. Free estimates are available for HVAC system replacement, new installations, and solar solutions. As a Lennox Premier Dealer, Daikin Comfort Pro, and WellAir Elite dealer, we are Diamond Certified, hold an A+ BBB Rating, and have been voted “The Best Heating & Air Company” and “The Most Community-Minded Company” by The Press in Brentwood, CA for two years. We are also SFGATE’s Best of the Bay Area Heating & A/C Service provider.

"Fast and efficient. Did not try to sell more work needed "

Barbara H on January 2026

With over 30 years of experience, Perfect Star Heating, Cooling, & Electrical is a locally owned and operated family business serving Alameda & Contra Costa County. We service all makes and models, offering top-quality comfort and energy efficiency solutions. Specializing in Furnace/Heating, Air Conditioning, and Ductless Mini-Split installation, we also provide repair and maintenance for Central HVAC systems, Ductwork, Indoor Air Quality, Electrical Repair & Installation, and Solar Installation. Free estimates are available for HVAC system replacement, new installations, and solar solutions. As a Lennox Premier Dealer, Daikin Comfort Pro, and WellAir Elite dealer, we are Diamond Certified, hold an A+ BBB Rating, and have been voted “The Best Heating & Air Company” and “The Most Community-Minded Company” by The Press in Brentwood, CA for two years. We are also SFGATE’s Best of the Bay Area Heating & A/C Service provider.

"Fast and efficient. Did not try to sell more work needed "

Barbara H on January 2026


Avatar for Golden Bay Electric

Golden Bay Electric

4.91(
27
)
Approved Pro

Golden Bay Electric

4.91(
27
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
5 years of experience

Golden Bay Electric is dedicated to providing our customers with the best quality work and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.

"Job was quoted so quickly and was onsite within 90 minutes. I have rarely received such quick service for a small job. Electrician was courteous, clean and professional. No price gouging with this company, they will now be my go to all my electrical needs going forward. Thanks Golden Bay Electric!"

Steve C on March 2025

Golden Bay Electric is dedicated to providing our customers with the best quality work and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.

"Job was quoted so quickly and was onsite within 90 minutes. I have rarely received such quick service for a small job. Electrician was courteous, clean and professional. No price gouging with this company, they will now be my go to all my electrical needs going forward. Thanks Golden Bay Electric!"

Steve C on March 2025


Avatar for Boyes Electric Inc

Boyes Electric Inc

5.00(
4
)
Approved Pro

Boyes Electric Inc

5.00(
4
)
Approved Pro
Customers say: Quick response
40 local quotes requested
8 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"My experience with Boyes Electric was truly professional; it was a smooth process, even though the project I gave them was quite challenging. The staff were very efficient, and even the difficult task was completed with ease. I am very happy to have found such a reliable company, thanks to the entire team."

Anthony on October 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"My experience with Boyes Electric was truly professional; it was a smooth process, even though the project I gave them was quite challenging. The staff were very efficient, and even the difficult task was completed with ease. I am very happy to have found such a reliable company, thanks to the entire team."

Anthony on October 2025


Avatar for Emelco Electric

Emelco Electric

4.64(
348
)
Approved Pro

Emelco Electric

4.64(
348
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
13 years of experience

EMELCO electric is an electrical contractor which provides residential and commercial electrical services. Company located in San Jose city and provides installation, remodeling and lighting for all south Bay Area . We Install/replace fixtures , fans, switches and outlets, wiring, conduits, low voltage circuits, computer networks, TV and cables. Our company provide consultation and ideas for our clients on their design/build projects.

"I had the team from Emelco electric install a gfci outlet in my bathroom. They were prompt, friendly and did great work. I’m definitely having them back for some other projects! "

Joanie R on January 2026

EMELCO electric is an electrical contractor which provides residential and commercial electrical services. Company located in San Jose city and provides installation, remodeling and lighting for all south Bay Area . We Install/replace fixtures , fans, switches and outlets, wiring, conduits, low voltage circuits, computer networks, TV and cables. Our company provide consultation and ideas for our clients on their design/build projects.

"I had the team from Emelco electric install a gfci outlet in my bathroom. They were prompt, friendly and did great work. I’m definitely having them back for some other projects! "

Joanie R on January 2026


Avatar for BONNER ELECTRIC

BONNER ELECTRIC

5.00(
9
)
Approved Pro

BONNER ELECTRIC

5.00(
9
)
Approved Pro
Super Service Award
11 years of experience
Free onsite estimate

Here at Bonner Electric ,we pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"He charged less and due to being located so close!"

Andrea F on December 2025

Here at Bonner Electric ,we pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"He charged less and due to being located so close!"

Andrea F on December 2025

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FAQs for electrical switches, outlets & fixtures install or repair projects in Castro Valley, CA

To select and hire an electrician for your light switch installation, start by evaluating candidates as you would for any skilled position. Ask detailed questions, request a written quote, and verify their licensing credentials. This careful screening prevents unexpected fees and ensures every aspect of the installation, including any drywall repairs, complies with code.

A light switch can malfunction due to compromised wiring or overheating conditions. Faulty connections and excess heat diminish the switch’s performance. If you hear crackling, popping, or hissing sounds when toggling the switch, this indicates active electrical faults that pose a safety hazard and demand immediate professional inspection. Prompt attention prevents further damage and ensures reliable operation.

Installing a light switch takes 30 minutes or less, on average. The installation time depends on the switch type, with dimmer switches requiring additional time compared to standard on-off switches. While the hardware replacement might be completed in 15 minutes, it's essential to adhere to safety protocols, like turning off the circuit breaker and verifying there's no power, for a safe and code-compliant installation.

The Castro Valley, CA homeowners’ guide to electrical switches, outlets & fixtures installs or repairs

From average costs to expert advice, get all the answers you need to get your job done.