Top-rated electrical wiring or panel upgrade pros.

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

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


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
26 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


Avatar for Delta Bay Electric

Delta Bay Electric

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Delta Bay Electric

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

Delta Bay 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.

Delta Bay 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.


Avatar for Port City Electric

Port City Electric

5.00(
9
)
Approved Pro

Port City Electric

5.00(
9
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We are a small business that takes great pride in providing our experience, expertise, quality, and customer service 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. Please contact us directly to schedule any appointments. We look forward to serving you! Port City Electric

"Reliable quick efficient and fast"

Herman C on June 2022

We are a small business that takes great pride in providing our experience, expertise, quality, and customer service 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. Please contact us directly to schedule any appointments. We look forward to serving you! Port City Electric

"Reliable quick efficient and fast"

Herman C on June 2022


Avatar for Cooper Electric

Cooper Electric

5.00(
29
)
Approved Pro

Cooper Electric

5.00(
29
)
Approved Pro
Customers say: Quick response
27 local quotes requested
20 years of experience

27 years in new and remodel residential Electrical. We have a small crew that does half residential and half Commercial tenant improvements. Half of our employees are also licensed contractors and others are card carrying graduates from local electrical schools. We really enjoy doing Small commercial TIs, Panel replacements, Electric cars, Hot tubs, Recessed lighting and ceiling fan installs.

"Fast and clear. Helped root cause issue driving fuse to short out. "

Mason W on January 2026

27 years in new and remodel residential Electrical. We have a small crew that does half residential and half Commercial tenant improvements. Half of our employees are also licensed contractors and others are card carrying graduates from local electrical schools. We really enjoy doing Small commercial TIs, Panel replacements, Electric cars, Hot tubs, Recessed lighting and ceiling fan installs.

"Fast and clear. Helped root cause issue driving fuse to short out. "

Mason W on January 2026


Avatar for The Electric Company

The Electric Company

5.00(
1
)
Approved Pro

The Electric Company

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

T E C Services DBA The Electric Company 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. Call us today!

"they explain everything they were great"

Neng H on May 2023

T E C Services DBA The Electric Company 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. Call us today!

"they explain everything they were great"

Neng H on May 2023


Avatar for Five-O-Electric

Five-O-Electric

4.50(
2
)
Approved Pro

Five-O-Electric

4.50(
2
)
Approved Pro
43 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


Smoov Energy & Electric, Inc.

5.00(
8
)
Approved Pro

Smoov Energy & Electric, Inc.

5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4 years of experience

Smoov Energy & Electric Inc is a leader providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. 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.

"Arrived same day. Very courteous"

Adam A on March 2023

Smoov Energy & Electric Inc is a leader providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. 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.

"Arrived same day. Very courteous"

Adam A on March 2023


Avatar for Huft Home Services

Huft Home Services

4.88(
433
)
Approved Pro

Huft Home Services

4.88(
433
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
120 local quotes requested

At Huft Home Services, we want to be the HVAC, electrical, plumbing and insulation company you trust. We take pride in serving the members of our community and strive to exceed expectations with everything we do. Having a reliable heating and cooling system in your home ensures you can stay safe and comfortable. We are the Heroes for the job! Our services are available for any make or model of heating and cooling systems no matter the age. Our NATE-certified technicians work under the Huft Creed and will always do the right thing. Our company has been operating with integrity since 2004, and we’re proud to be both BBB-accredited and NCI-certified. With our expert electrician specialists, rapid response times, and truly heroic customer service, you can feel great when calling on our team. Just as with all of our top-rated and award-winning home services, our electrical department ensures that you get the golden treatment every time we are in your home. From a simple matter like a flickering light to a whole-home rewiring project, we work quickly, safely, and effectively to deliver results that we know you’ll be 100% satisfied with every time. Whatever type of plumbing problem you have, we can address it. Our team can service any plumbing system or equipment regardless of the brand, make, or model. We vow to meet your needs with competence and courtesy to deliver long-lasting solutions. Moreover, our representatives display some important core values on every single visit. These include honesty, respect, integrity, and transparency. We are your home services HEROES!!

"Professional. Friendly and they did an excellent job. Highly recommend them."

Donn P on December 2025

At Huft Home Services, we want to be the HVAC, electrical, plumbing and insulation company you trust. We take pride in serving the members of our community and strive to exceed expectations with everything we do. Having a reliable heating and cooling system in your home ensures you can stay safe and comfortable. We are the Heroes for the job! Our services are available for any make or model of heating and cooling systems no matter the age. Our NATE-certified technicians work under the Huft Creed and will always do the right thing. Our company has been operating with integrity since 2004, and we’re proud to be both BBB-accredited and NCI-certified. With our expert electrician specialists, rapid response times, and truly heroic customer service, you can feel great when calling on our team. Just as with all of our top-rated and award-winning home services, our electrical department ensures that you get the golden treatment every time we are in your home. From a simple matter like a flickering light to a whole-home rewiring project, we work quickly, safely, and effectively to deliver results that we know you’ll be 100% satisfied with every time. Whatever type of plumbing problem you have, we can address it. Our team can service any plumbing system or equipment regardless of the brand, make, or model. We vow to meet your needs with competence and courtesy to deliver long-lasting solutions. Moreover, our representatives display some important core values on every single visit. These include honesty, respect, integrity, and transparency. We are your home services HEROES!!

"Professional. Friendly and they did an excellent job. Highly recommend them."

Donn P on December 2025


Avatar for LAINEZ ELECTRIC

LAINEZ ELECTRIC

5.00(
4
)
Approved Pro

LAINEZ ELECTRIC

5.00(
4
)
Approved Pro
Super Service Award
16 years of experience
Free onsite estimate

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. M-F: 5a-8p S-S: 8-5

"Alex was professional, knowledgeable, and a true team player. I really appreciated that he was local and took the time to come to my house to see exactly what was needed. He walked me through the permit and inspection process, which went smoothly thanks to his clear communication and expertise. He answered all my questions, explained everything in simple terms, and made sure I felt comfortable with each step. I also found his pricing to be very reasonable—affordable without cutting corners. The inspection went well, and it was clear the work was done right the first time. He showed up on time, kept the work area clean, and was respectful throughout the project. It’s hard to find someone so reliable and down-to-earth. I’m really glad I chose to work with Alex and would definitely call him again for future projects. Highly recommended to anyone looking for a solid, trustworthy electrician in the area!"

Monica W on July 2025

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. M-F: 5a-8p S-S: 8-5

"Alex was professional, knowledgeable, and a true team player. I really appreciated that he was local and took the time to come to my house to see exactly what was needed. He walked me through the permit and inspection process, which went smoothly thanks to his clear communication and expertise. He answered all my questions, explained everything in simple terms, and made sure I felt comfortable with each step. I also found his pricing to be very reasonable—affordable without cutting corners. The inspection went well, and it was clear the work was done right the first time. He showed up on time, kept the work area clean, and was respectful throughout the project. It’s hard to find someone so reliable and down-to-earth. I’m really glad I chose to work with Alex and would definitely call him again for future projects. Highly recommended to anyone looking for a solid, trustworthy electrician in the area!"

Monica W on July 2025

...
Showing 1-10 of 422
FAQs for electrical wiring or panel upgrade projects in Thornton, 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 Thornton, 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.