Top-rated electrical wiring or panel upgrade pros.

Get matched with top electrical wiring or panel upgrade pros in Hercules, CA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Electrical wiring or panel upgrade pros in Hercules

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
35 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


ED'S ELECTRIC

5.00(
1
)
Approved Pro

ED'S ELECTRIC

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
25 years of experience

ED'S ELECTRIC is currently serving Sacramento and the surrounding areas. For a job well done with your residential services, please give us a call today. All estimates are free for perspective customers.

"Eduardo was very professional and helpful! Will definitely call him again when I have another project in mind."

Debbie M on January 2023

ED'S ELECTRIC is currently serving Sacramento and the surrounding areas. For a job well done with your residential services, please give us a call today. All estimates are free for perspective customers.

"Eduardo was very professional and helpful! Will definitely call him again when I have another project in mind."

Debbie M on January 2023


JLL Electric Company

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

JLL Electric Company

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
4 years of experience
Free onsite estimate

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!

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!


Avatar for BA Electric, Inc.

BA Electric, Inc.

4.86(
105
)
Approved Pro

BA Electric, Inc.

4.86(
105
)
Approved Pro
Customers say: Quick response
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
3 years of experience

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"James, the owner came out for me on a Saturday after my power was restored, but only to half of my house. Within minutes he found it was the GFI in my bathroom that would not reset causing the rest of the house not to come on. Could not be happier with the service."

kay f on March 2024

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"James, the owner came out for me on a Saturday after my power was restored, but only to half of my house. Within minutes he found it was the GFI in my bathroom that would not reset causing the rest of the house not to come on. Could not be happier with the service."

kay f on March 2024


Avatar for Devil Mountain Electric Inc.

Devil Mountain Electric Inc.

5.00(
2
)
Approved Pro

Devil Mountain Electric Inc.

5.00(
2
)
Approved Pro
Free onsite estimate

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

"They do Great work! Billy has done numerous jobs for me and has always done a phenomenal job. I highly recommend this company and will be using their services again in the future."

Harry E on November 2025

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

"They do Great work! Billy has done numerous jobs for me and has always done a phenomenal job. I highly recommend this company and will be using their services again in the future."

Harry E on November 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
19 local quotes requested

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 Cortes Electric

Cortes Electric

5.00(
9
)
Approved Pro

Cortes Electric

5.00(
9
)
Approved Pro
Free onsite estimate
Emergency services offered

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, with 15+ years experience Cortes Electric is here to assist!

"I needed some wall sconces a fan and a chandelier hung and after calling a few electricians I was discouraged. No shows or exorbitant costs! Not only was he responsive but punctual and courteous. He actually showed up on time to get everything done and was amazing! I’m glad I went with them! "

Denise L on November 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, with 15+ years experience Cortes Electric is here to assist!

"I needed some wall sconces a fan and a chandelier hung and after calling a few electricians I was discouraged. No shows or exorbitant costs! Not only was he responsive but punctual and courteous. He actually showed up on time to get everything done and was amazing! I’m glad I went with them! "

Denise L on November 2025


Avatar for Perfect Star Heating and Air Conditioning

Perfect Star Heating and Air Conditioning

4.91(
252
)
Approved Pro

Perfect Star Heating and Air Conditioning

4.91(
252
)
Approved Pro
Super Service Award
Customers say: Quick response
890 local quotes requested
9 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.

"Requested an estimate of a furnace replacement and he answered very quicky to my request. "

Claudio C on November 2025

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.

"Requested an estimate of a furnace replacement and he answered very quicky to my request. "

Claudio C on November 2025


Avatar for Glo-Electric

Glo-Electric

4.43(
7
)
Approved Pro

Glo-Electric

4.43(
7
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
242 local quotes requested

Family and veteran owned and operated company, professional trained, drug tested, background checked, electricians providing residential and commercial service, repair and new installations servicing the greater bay area with the best service in the industry.

"They did quality work on a tight timeline"

Jocelyn T on May 2024

Family and veteran owned and operated company, professional trained, drug tested, background checked, electricians providing residential and commercial service, repair and new installations servicing the greater bay area with the best service in the industry.

"They did quality work on a tight timeline"

Jocelyn T on May 2024


Avatar for Voltex Power Solutions

Voltex Power Solutions

4.86(
7
)
Approved Pro

Voltex Power Solutions

4.86(
7
)
Approved Pro
1 years of experience
Free onsite estimate

We pride ourselves on our professionalism, as well as our ability to complete every job to the homeowner's total satisfaction. We never leave a job unfinished, or a homeowner not 100% satisfied with our level of service - Call today!

"experienced, knowledgeable knew their stuff, effecient price fair"

Mark S on November 2025

We pride ourselves on our professionalism, as well as our ability to complete every job to the homeowner's total satisfaction. We never leave a job unfinished, or a homeowner not 100% satisfied with our level of service - Call today!

"experienced, knowledgeable knew their stuff, effecient price fair"

Mark S on November 2025

...
Showing 1-10 of 1019
FAQs for electrical wiring or panel upgrade projects in Hercules, CA

Electrical wiring can last between 50 and 70 years if properly installed and maintained. However, factors like moisture damage and overloading outlets can shorten this lifespan. To extend your wiring's life, unplug electronics when not in use, avoid overloading outlets, and schedule regular electrical inspections every five to ten years.

If your house was built in the 1960s and hasn't been rewired, it likely needs it. Older homes may have outdated wiring like knob-and-tube, which poses fire risks due to flammable insulation. Rewiring ensures safety and may also require updating your circuit panel, outlets, switches, and fixtures. Contact a local electrician to help with your rewiring needs.

Yes, rewiring your house is worth it, especially if your wiring is outdated. It improves safety by reducing fire risks and can increase your property's value. However, you may not need a full rewire. A home inspector can tell you if a partial rewire will bring your home up to code.

Yes, you can sometimes rewire a house without removing walls. Electricians might access wiring through attics, basements, or crawl spaces, or make small holes to run new wires. However, this isn't always possible, and in some cases, removing sections of walls is necessary to ensure the wiring is installed safely and meets code.

A house should typically be rewired every 25 years to maintain safety. Over time, wiring deteriorates, increasing fire risks. Regular electrical inspections every five to ten years help assess the need for rewiring. Staying proactive with maintenance ensures a safe, efficient electrical system and prevents potential hazards before they become serious issues.

The Hercules, CA homeowners’ guide to electrical wiring or panel upgrades

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