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Find Electrical wiring or panel upgrade pros in Corona

Avatar for Quacom Electric LLC

Quacom Electric LLC

4.95(
11
)
Approved Pro

Quacom Electric LLC

4.95(
11
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
3 years of experience

Quacom Electric LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with.

"Ben was always on time and extremely efficient. He handled all permits with the city and made sure his work was signed off by the city. My Homeowners Insurance was pleased with the result and agreed to continue my Homeowner Insurance coverage. What a relief. Many thanks for such excellently work. "

Linda S on September 2025

Quacom Electric LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with.

"Ben was always on time and extremely efficient. He handled all permits with the city and made sure his work was signed off by the city. My Homeowners Insurance was pleased with the result and agreed to continue my Homeowner Insurance coverage. What a relief. Many thanks for such excellently work. "

Linda S on September 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


Avatar for K H Gillette Electrical & Lighting

K H Gillette Electrical & Lighting

5.00(
5
)
Approved Pro

K H Gillette Electrical & Lighting

5.00(
5
)
Approved Pro
Customers say: Quick response
28 years of experience
Free onsite estimate

we take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers 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.

"Kevin responded quickly to my call, came on time, was friendly, neat, explained the job, provided pricing upfront and completed project. I will definitely use KH Gillette Electrical again and would highly recommend."

Gail D on March 2025

we take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers 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.

"Kevin responded quickly to my call, came on time, was friendly, neat, explained the job, provided pricing upfront and completed project. I will definitely use KH Gillette Electrical again and would highly recommend."

Gail D on March 2025


Carlos Villegas

4.85(
62
)
Approved Pro

Carlos Villegas

4.85(
62
)
Approved Pro
Super Service Award
Customers say: True professional
19 local quotes requested
50 years of experience

We offer over 28 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as generator installs, wiring and panel upgrades, and a variety of other jobs. We take pride in our quality of work and our commitment to outstanding results. We're committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Carlos I felt became a friend, the project took a while due to approvals but Carlos always kept me updated. I would refer him to friends or family. "

Angelina H on January 2026

We offer over 28 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as generator installs, wiring and panel upgrades, and a variety of other jobs. We take pride in our quality of work and our commitment to outstanding results. We're committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Carlos I felt became a friend, the project took a while due to approvals but Carlos always kept me updated. I would refer him to friends or family. "

Angelina H on January 2026


Ing Electric

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Ing Electric

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

We are a locally owned and operated company with 12 years of industry experience. We value honesty, integrity, and stand behind our work. We pride ourselves on the quality of our work, as well as our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction!

We are a locally owned and operated company with 12 years of industry experience. We value honesty, integrity, and stand behind our work. We pride ourselves on the quality of our work, as well as our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction!


Avatar for Trinity Electric

Trinity Electric

5.00(
2
)
Approved Pro

Trinity Electric

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

TRINITY ELECTRIC 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

"Highly recommend, honest, great quality, very good at what he does, and great with people."

Steve X on April 2020

TRINITY ELECTRIC 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

"Highly recommend, honest, great quality, very good at what he does, and great with people."

Steve X on April 2020


A A Electric

4.75(
8
)
Approved Pro

A A Electric

4.75(
8
)
Approved Pro
Customers say: Quality work
8 years of experience
Free onsite estimate

A A 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.

"Oscar is a fine man. That's all I can say. If had met him out in public and had occasion to speak with him, we probably would be friends."

RICHARD D on August 2020

A A 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.

"Oscar is a fine man. That's all I can say. If had met him out in public and had occasion to speak with him, we probably would be friends."

RICHARD D on August 2020


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 Rock Bottom Construction Inc

Rock Bottom Construction Inc

4.90(
20
)
Approved Pro

Rock Bottom Construction Inc

4.90(
20
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
24 years of experience

Rock Bottom Construction, INC. 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 are a one stop shop for your needs; we are not only a licensed electrical contractor but also carry a license for general contracting work. We offer in house drywall repair, stucco repair and painting when the job calls for it. *SENIOR & VETERAN DISCOUNTS*

"Mike Wozab was a complete professional! He was on time, very informative, and gave us great ideas to better the job. We have already recommended him. He is always welcome in our home."

laura h on August 2025

Rock Bottom Construction, INC. 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 are a one stop shop for your needs; we are not only a licensed electrical contractor but also carry a license for general contracting work. We offer in house drywall repair, stucco repair and painting when the job calls for it. *SENIOR & VETERAN DISCOUNTS*

"Mike Wozab was a complete professional! He was on time, very informative, and gave us great ideas to better the job. We have already recommended him. He is always welcome in our home."

laura h on August 2025


Avatar for JRG ELECTRIC INC

JRG ELECTRIC INC

4.80(
203
)
Approved Pro

JRG ELECTRIC INC

4.80(
203
)
Approved Pro
Super Service Award
Customers say: Quick response
12 local quotes requested
27 years of experience

When customer service and quality matter to you, JRG Electric Company is your first choice. Our knowledge and experience speak for themselves, with 25 years of experience in electrical services. When it comes to the mechanics of your home, especially the electrical aspects, you need a contractor with experience. Mistakes can be devastating! You can trust that we will put the safety of your family and your home first. Our goal is to make you into one of our many lifetime customers through our dedication to give you the best value and the best service, while still getting the job done right, every time.

"Excellent work "

Hung N on September 2025

When customer service and quality matter to you, JRG Electric Company is your first choice. Our knowledge and experience speak for themselves, with 25 years of experience in electrical services. When it comes to the mechanics of your home, especially the electrical aspects, you need a contractor with experience. Mistakes can be devastating! You can trust that we will put the safety of your family and your home first. Our goal is to make you into one of our many lifetime customers through our dedication to give you the best value and the best service, while still getting the job done right, every time.

"Excellent work "

Hung N on September 2025

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FAQs for electrical wiring or panel upgrade projects in Corona, 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 Corona, 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.