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Find Electrical wiring or panel upgrade pros in Covina

Avatar for M J Prime Electric Incorporated

M J Prime Electric Incorporated

5.00(
4
)
Approved Pro

M J Prime Electric Incorporated

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

We take great pride in 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 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.

"Excellent workmanship and always on time."

Rosemary L on June 2022

We take great pride in 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 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.

"Excellent workmanship and always on time."

Rosemary L on June 2022


Rock Bottom Construction, INC.

4.93(
44
)
Approved Pro

Rock Bottom Construction, INC.

4.93(
44
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
55 local quotes requested

is committed to excellence 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 customers' interests, and make their concerns the basis of our business

"We recently had our electrical panel replaced and couldn’t be happier with the experience. From the very first call, Mike was incredibly informative and responsive. He took the time to walk us through the entire process—from permitting and scheduling to what to expect on installation day. Every question we had (and we had a lot!) was answered clearly and patiently. On the day of the job, Mike’s team arrived right on time. They were professional, efficient, and courteous throughout. They took great care to keep the work area clean and were respectful of our home. The replacement was completed on schedule, and the quality of the work was top-notch. Everything was labeled clearly, and Mike even followed up afterward to make sure everything was running smoothly. We really appreciated the transparency with pricing—no surprises, just honest and fair. It’s clear that Mike and his crew take pride in their work and genuinely care about their customers. "

Michele V on November 2025

is committed to excellence 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 customers' interests, and make their concerns the basis of our business

"We recently had our electrical panel replaced and couldn’t be happier with the experience. From the very first call, Mike was incredibly informative and responsive. He took the time to walk us through the entire process—from permitting and scheduling to what to expect on installation day. Every question we had (and we had a lot!) was answered clearly and patiently. On the day of the job, Mike’s team arrived right on time. They were professional, efficient, and courteous throughout. They took great care to keep the work area clean and were respectful of our home. The replacement was completed on schedule, and the quality of the work was top-notch. Everything was labeled clearly, and Mike even followed up afterward to make sure everything was running smoothly. We really appreciated the transparency with pricing—no surprises, just honest and fair. It’s clear that Mike and his crew take pride in their work and genuinely care about their customers. "

Michele V on November 2025


Avatar for Granny Electric

Granny Electric

4.55(
10
)
Approved Pro

Granny Electric

4.55(
10
)
Approved Pro
Customers say: True professional
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
14 years of experience

Granny Electric 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 customers interests, and make their concerns the basis of our business.

"Keeping this guys card!"

Wendy K on May 2024

Granny Electric 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 customers interests, and make their concerns the basis of our business.

"Keeping this guys card!"

Wendy K on May 2024


Avatar for All Electrical Services

All Electrical Services

4.87(
30
)
Approved Pro

All Electrical Services

4.87(
30
)
Approved Pro
Customers say: Quality work
33 years of experience
Free onsite estimate

We pride ourselves on 25 years of experience in the electrical industry. All Electrical Services is a full-service electrical contracting company offering everything you need to switch your electrical system’s usability into a better direction. Guaranteed quick response rate and emergency services also available. Welcome to text or call directly at (818) 321-9142. Please mention Angie's List!

"Emin was friendly, efficient, and professional. He fixed my ceiling lamp and provided great advice and service."

Josh A on December 2025

We pride ourselves on 25 years of experience in the electrical industry. All Electrical Services is a full-service electrical contracting company offering everything you need to switch your electrical system’s usability into a better direction. Guaranteed quick response rate and emergency services also available. Welcome to text or call directly at (818) 321-9142. Please mention Angie's List!

"Emin was friendly, efficient, and professional. He fixed my ceiling lamp and provided great advice and service."

Josh A on December 2025


S&W Electric Company

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

S&W Electric Company

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

We work extremely hard for the owner and our company strives to take care of all our client's unique needs and always have the owner's best interest at heart. We are very detailed and meticulous in our work.  Our long-term vision is for us to become your go to Contractor with capabilities to do multiple types of projects.  Call us today you'll be relieved you did. Thank you

We work extremely hard for the owner and our company strives to take care of all our client's unique needs and always have the owner's best interest at heart. We are very detailed and meticulous in our work.  Our long-term vision is for us to become your go to Contractor with capabilities to do multiple types of projects.  Call us today you'll be relieved you did. Thank you


Assured Quality Electric, LLC

4.96(
23
)
Approved Pro

Assured Quality Electric, LLC

4.96(
23
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
4 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. Our name is not a gimmick, but what we stand by! Call us to discuss your project (626) 696-9695. We look forward to earning your business!

"The job was done right, clean, on time"

Valery K 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. Our name is not a gimmick, but what we stand by! Call us to discuss your project (626) 696-9695. We look forward to earning your business!

"The job was done right, clean, on time"

Valery K on October 2025


Adaptive Power Company, Inc.

5.00(
1
)
Approved Pro

Adaptive Power Company, Inc.

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

Adaptive Power Company Inc 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 customers' interests, and make their concerns the basis of our business.

"They came in, did the job done quickly and what I asked for, supoer friendly, personable, and fantastic work to with."

Nick X on April 2022

Adaptive Power Company Inc 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 customers' interests, and make their concerns the basis of our business.

"They came in, did the job done quickly and what I asked for, supoer friendly, personable, and fantastic work to with."

Nick X on April 2022


Avatar for Ground Up Electric, LLC

Ground Up Electric, LLC

5.00(
2
)
Approved Pro

Ground Up Electric, LLC

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

We take great pride in 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 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.

"Luis, is truly a professional and will manner gentleman. Thank you Luis for making my project smooth and easy and great job sir...I recommend this company...."

William P on December 2023

We take great pride in 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 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.

"Luis, is truly a professional and will manner gentleman. Thank you Luis for making my project smooth and easy and great job sir...I recommend this company...."

William P on December 2023


Martin's Electrical & Lighting Company

4.86(
95
)
Approved Pro

Martin's Electrical & Lighting Company

4.86(
95
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
30 years of experience

"The Bitterness of Poor Quality lingers long after the Sweetness of the Lowest Bid" I'm Martin, with Martin's Electrical & Lighting Company, personally has over 20 Years in the Electrical Trade. We have the expertise to get any job completed correctly and safely. With electrical, safety is extremely important and we shall never install anything in an unsafe manner. Customer satisfaction is extremely important. I am a family man, honest and trustworthy, looking for clients and customers with the same high integrity, with over 20 Years Experience in all forms of Electrical. Reasonable rates along with professional and quality work. No short-cuts taken. Call us today @ 909-595-1439 and you will not be disappointed. Please check out our Website Martins-Electrical.com

"Martin was response to my messages and was attentive to my concerns. Began wort immediately the next day after assessing project needs. I’ll highly recommend Martin to family and friends."

Gustavo M on November 2022

"The Bitterness of Poor Quality lingers long after the Sweetness of the Lowest Bid" I'm Martin, with Martin's Electrical & Lighting Company, personally has over 20 Years in the Electrical Trade. We have the expertise to get any job completed correctly and safely. With electrical, safety is extremely important and we shall never install anything in an unsafe manner. Customer satisfaction is extremely important. I am a family man, honest and trustworthy, looking for clients and customers with the same high integrity, with over 20 Years Experience in all forms of Electrical. Reasonable rates along with professional and quality work. No short-cuts taken. Call us today @ 909-595-1439 and you will not be disappointed. Please check out our Website Martins-Electrical.com

"Martin was response to my messages and was attentive to my concerns. Began wort immediately the next day after assessing project needs. I’ll highly recommend Martin to family and friends."

Gustavo M on November 2022


Avatar for Green Spark Electric

Green Spark Electric

5.00(
1
)
Approved Pro

Green Spark Electric

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

GREEN SPARK ELECTRIC 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 customers' interests, and make their concerns the basis of our business.

"The quickest and most effective experience! Thank you so much for installing our super charger in the most professional manner. It was such an easy process, and I truly could not recommend Ari and the team more! Thank you."

Devika T on August 2022

GREEN SPARK ELECTRIC 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 customers' interests, and make their concerns the basis of our business.

"The quickest and most effective experience! Thank you so much for installing our super charger in the most professional manner. It was such an easy process, and I truly could not recommend Ari and the team more! Thank you."

Devika T on August 2022

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FAQs for electrical wiring or panel upgrade projects in Covina, CA

While homeowners with substantial electrical knowledge might technically attempt a subpanel installation, most local building departments require permits and inspections for this type of work. Professional electricians understand local code requirements, can obtain necessary permits, and ensure the installation meets safety standards. Given the significant safety risks associated with incorrect electrical work, most homeowners benefit from hiring a licensed professional.

A standard subpanel installation takes an average of four to eight hours. This timeframe may extend if you're installing multiple subpanels or adding specialized circuits like those for spa equipment. Factors such as difficult access points, complex wiring paths, or permit processing times can also affect the overall project duration.

Adding a subpanel doesn't directly reduce electricity consumption or lower your utility bills. A subpanel simply redistributes power from your main panel to additional circuits. However, organizing your electrical system more efficiently may help prevent overloaded circuits and the associated problems. For actual cost savings, consider energy-efficient appliances and lighting instead.

The appropriate subpanel size depends on your specific electrical requirements. Consider the number and type of devices you'll be powering, potential future needs, and the capacity of your main electrical panel. An electrician can perform a load calculation to determine the most suitable amperage rating for your situation, ensuring you have adequate power without overpaying for unnecessary capacity.

A main electrical panel connects directly to your utility's power supply and contains your home's primary service disconnect. It distributes electricity throughout your entire house. A subpanel, by contrast, receives power from the main panel and redistributes it to a specific area of your home. Think of the main panel as the primary distribution point and the subpanel as a secondary branch that extends your electrical system's reach.

While electrical upgrades aren't as immediately visible as kitchen or bathroom renovations, they can contribute to your home's functionality and safety. Prospective buyers often appreciate updated electrical systems that can accommodate modern power demands. A properly installed subpanel that provides additional capacity for workshops, home offices, or future expansions could be an attractive feature for certain buyers, though the direct impact on home value varies by market.

The Covina, 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.