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Find Electrical wiring or panel upgrade pros in Castro Valley

Baris Electric LLC

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Approved Pro

Baris Electric LLC

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

Baris Electric LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customer's interests, and make their concerns the basis of our business.

Baris Electric LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customer's interests, and make their concerns the basis of our business.


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


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 Perfect Star Heating and Air Conditioning

Perfect Star Heating and Air Conditioning

4.91(
253
)
Approved Pro

Perfect Star Heating and Air Conditioning

4.91(
253
)
Approved Pro
Customers say: Quick response
885 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.

"I have used this company to service my ac/heater unit for 10 years. They are all very professional, thorough and friendly! I highly recommend them!!"

Carol H 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.

"I have used this company to service my ac/heater unit for 10 years. They are all very professional, thorough and friendly! I highly recommend them!!"

Carol H on November 2025


Avatar for Budget Electric

Budget Electric

4.01(
132
)
Approved Pro

Budget Electric

4.01(
132
)
Approved Pro
Customers say: Quality work
331 local quotes requested
38 years of experience

Receive high-quality services from a family owned and operated company since 1987, Budget Electric works with residential and commercial customers across the Bay Area to help them with all of their electrical needs. Save time, money, and energy while upgrading your property's electrical systems. Keep your electrical systems working like they should with electrical services from Budget Electric. From panel upgrades to troubleshooting and repair, we do what it takes to improve the way your home uses power.

"Michael showed up on time and even called me as he was on his way to my home which I appreciated. He not only fixed my issue buy also explained to me how things work electrically. I would hire them again for any electrical issues and hope I get Michael again. Your company is lucky to have him."

Randy G on September 2024

Receive high-quality services from a family owned and operated company since 1987, Budget Electric works with residential and commercial customers across the Bay Area to help them with all of their electrical needs. Save time, money, and energy while upgrading your property's electrical systems. Keep your electrical systems working like they should with electrical services from Budget Electric. From panel upgrades to troubleshooting and repair, we do what it takes to improve the way your home uses power.

"Michael showed up on time and even called me as he was on his way to my home which I appreciated. He not only fixed my issue buy also explained to me how things work electrically. I would hire them again for any electrical issues and hope I get Michael again. Your company is lucky to have him."

Randy G on September 2024


Avatar for MC Electric

MC Electric

4.49(
238
)
Approved Pro

MC Electric

4.49(
238
)
Approved Pro
Customers say: Quality work
36 years of experience

My team and I at MC Electric have served customers from the Bay Area to San Jose and the surrounding areas with highly-qualified fully-insured electricians. Our electricians are known for being responsive, accessible, flexible, and extremely knowledgeable. MC Electric has the skills and expertise necessary to do all electrical work, large or small, on all types of residential, commercial and industrial buildings. All of my work is warranted and 100% satisfaction guaranteed! Don't get shocked twice, get the right contractor. Call Monte at MC Electric.

"Super fast response, very professional, and knowledgeable. Got the work done in less than 12 hours after submitting the request including installation of a new part! Bravo!"

Venkat R on March 2025

My team and I at MC Electric have served customers from the Bay Area to San Jose and the surrounding areas with highly-qualified fully-insured electricians. Our electricians are known for being responsive, accessible, flexible, and extremely knowledgeable. MC Electric has the skills and expertise necessary to do all electrical work, large or small, on all types of residential, commercial and industrial buildings. All of my work is warranted and 100% satisfaction guaranteed! Don't get shocked twice, get the right contractor. Call Monte at MC Electric.

"Super fast response, very professional, and knowledgeable. Got the work done in less than 12 hours after submitting the request including installation of a new part! Bravo!"

Venkat R on March 2025


Avatar for IC Electric

IC Electric

5.00(
15
)
Approved Pro

IC Electric

5.00(
15
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
42 local quotes requested

We have the experience and dedication to get the job done right! Specializing in electrical services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"I was happy with the results, it was a job well done. Ivan was knowledgeable and kept me aware of how the work was going and the reasoning behind the decisions he was making. I would definitely hire him again. Scheduling was the only tricky part."

Lois C on May 2025

We have the experience and dedication to get the job done right! Specializing in electrical services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"I was happy with the results, it was a job well done. Ivan was knowledgeable and kept me aware of how the work was going and the reasoning behind the decisions he was making. I would definitely hire him again. Scheduling was the only tricky part."

Lois C on May 2025


Avatar for T E K Electrical Contractor

T E K Electrical Contractor

5.00(
4
)
Approved Pro

T E K Electrical Contractor

5.00(
4
)
Approved Pro
4 years of experience
Free onsite estimate

We work extremely hard for the owner and always have the owner's best interest at heart. Our long term vision is for us to become a go to general contractor with capabilities to do multiple types of projects.

"He did great job. Would hire again if need project. "

Nancy Miles J on November 2025

We work extremely hard for the owner and always have the owner's best interest at heart. Our long term vision is for us to become a go to general contractor with capabilities to do multiple types of projects.

"He did great job. Would hire again if need project. "

Nancy Miles J on November 2025


Avatar for Five-O-Electric

Five-O-Electric

4.50(
2
)
Approved Pro

Five-O-Electric

4.50(
2
)
Approved Pro
42 years of experience

Here at Five-O-Electric, we have over 40 years of experience and we take great pride in our 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 completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Give Five-O-Electric a call today, we look forward to working with you!

"Very happy w service n customer service. "

Sonia G on November 2025

Here at Five-O-Electric, we have over 40 years of experience and we take great pride in our 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 completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Give Five-O-Electric a call today, we look forward to working with you!

"Very happy w service n customer service. "

Sonia G on November 2025


Avatar for Tension Electric LLC

Tension Electric LLC

4.60(
5
)
Approved Pro

Tension Electric LLC

4.60(
5
)
Approved Pro
3 years of experience
Free onsite estimate

Tension Electric LLC has built an excellent reputation for customer satisfaction by providing quick estimates, great attention to detail, and competitive pricing. We service both residential and commercial properties. We give you the peace of mind you need to give your home the attention it deserves. Call us today and let's get started! DISCOUNTS APPLY!!!!! SENIORS DISCOUNTS 20%

"Overpriced fix. "

Janet B on August 2025

Tension Electric LLC has built an excellent reputation for customer satisfaction by providing quick estimates, great attention to detail, and competitive pricing. We service both residential and commercial properties. We give you the peace of mind you need to give your home the attention it deserves. Call us today and let's get started! DISCOUNTS APPLY!!!!! SENIORS DISCOUNTS 20%

"Overpriced fix. "

Janet B on August 2025

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FAQs for electrical wiring or panel upgrade projects in Castro Valley, 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 Castro Valley, 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.