Top-rated electrical wiring or panel upgrade pros.

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

Avatar for Castle Electrical Services, LLC

Castle Electrical Services, LLC

5.00(
3
)
Approved Pro

Castle Electrical Services, LLC

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

It can be a daunting task looking for not only the right contractor for your job but also the right contractor for you. We completely understand what you're going through. We know every customer has different desires, different needs and different schedules. We're not only here to turn your ideas into reality but to make it a memorable experience every step of the way. Call us right now, no matter where you are in the planning process.

"Professional and friendly!"

Daniel B on April 2023

It can be a daunting task looking for not only the right contractor for your job but also the right contractor for you. We completely understand what you're going through. We know every customer has different desires, different needs and different schedules. We're not only here to turn your ideas into reality but to make it a memorable experience every step of the way. Call us right now, no matter where you are in the planning process.

"Professional and friendly!"

Daniel B on April 2023


Avatar for Whiteside Electric

Whiteside Electric

5.00(
1
)
Approved Pro

Whiteside 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

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!

"Very easy to work with, great communication! Professional! I am very satisfied with their work!"

Marino x on May 2022

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!

"Very easy to work with, great communication! Professional! I am very satisfied with their work!"

Marino x on May 2022


RSB Construction Group Inc.

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

RSB Construction Group Inc.

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
5 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 All In Electric

All In Electric

5.00(
9
)
Approved Pro

All In Electric

5.00(
9
)
Approved Pro
Super Service Award
Customers say: Quick response
3 years of experience

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, 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.

"Jessie was here on time, performed at an outstanding level of ability and was very professional and time efficient. All in all this was a very excellent experience. Highly recommended."

terry a on September 2025

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, 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.

"Jessie was here on time, performed at an outstanding level of ability and was very professional and time efficient. All in all this was a very excellent experience. Highly recommended."

terry a on September 2025


"My electrician forever! They are reliable and did the service faster and better than I expected. They exceeded my expectations!"

Kate . on September 2018

Welcome to 415 Electric Incorporated! We always provide high quality work that produces an exceptional product. We pride ourselves on the relationships we build with all of our clients, and we cannot wait to hear from you. Call today!

"My electrician forever! They are reliable and did the service faster and better than I expected. They exceeded my expectations!"

Kate . on September 2018


Avatar for Mervue Electric, Inc.

Mervue Electric, Inc.

4.33(
1
)
Approved Pro

Mervue Electric, Inc.

4.33(
1
)
Approved Pro
Customers say: Quality work
27 years of experience
Free onsite estimate

Mervue Electric, Inc., focuses on quality electrical home improvements over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business, and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you. We are a full service electrical company interested in meeting your needs. Call Mervue Electric, Inc., today.

"null"

Jed Z on June 2016

Mervue Electric, Inc., focuses on quality electrical home improvements over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business, and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you. We are a full service electrical company interested in meeting your needs. Call Mervue Electric, Inc., today.

"null"

Jed Z on June 2016


Avatar for Dalcon Electric

Dalcon Electric

4.81(
357
)
Approved Pro

Dalcon Electric

4.81(
357
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
234 local quotes requested

We are an Electrical Contracting Company providing top quality electrical services to South Bay, East Bay, and the Peninsula! David Lee, the owner of Dalcon Electric, started doing electrical work in the San Jose area over 30 years ago. Then, in 1993, he started Dalcon Electric in San Jose. With over 30 years of experience in both residential and commercial work, we take pride in our expertise and professionalism. We always give you a fair price and can often recommend ways to save you money on your electrical job. We are family owned and operated company! We are also licensed, bonded, and insured! Give us a call today! You’ll be in good hands! Ask about our Angie's List coupon and senior discounts. Award winning. Certified Copalum Installers. SPAN Certified Installers.

"Services went great. They arrived early very professional completed. The job completely cleaned up after they were done and were very professional during the entire project. I couldn’t recommend the gentleman any higher."

Chris (dad) B on July 2025

We are an Electrical Contracting Company providing top quality electrical services to South Bay, East Bay, and the Peninsula! David Lee, the owner of Dalcon Electric, started doing electrical work in the San Jose area over 30 years ago. Then, in 1993, he started Dalcon Electric in San Jose. With over 30 years of experience in both residential and commercial work, we take pride in our expertise and professionalism. We always give you a fair price and can often recommend ways to save you money on your electrical job. We are family owned and operated company! We are also licensed, bonded, and insured! Give us a call today! You’ll be in good hands! Ask about our Angie's List coupon and senior discounts. Award winning. Certified Copalum Installers. SPAN Certified Installers.

"Services went great. They arrived early very professional completed. The job completely cleaned up after they were done and were very professional during the entire project. I couldn’t recommend the gentleman any higher."

Chris (dad) B on July 2025


Traube Construction Company

5.00(
2
)
Approved Pro

Traube Construction Company

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

Traube Construction Co 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.

"The technicians at Traube Construction Company are highly skilled and knowledgeable about HVAC repair. I was impressed by their attention to detail and how they ensured everything was set up perfectly. I would definitely recommend them to anyone needing HVAC services."

Tanya S on July 2024

Traube Construction Co 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.

"The technicians at Traube Construction Company are highly skilled and knowledgeable about HVAC repair. I was impressed by their attention to detail and how they ensured everything was set up perfectly. I would definitely recommend them to anyone needing HVAC services."

Tanya S on July 2024


Avatar for IT Construction

IT Construction

4.64(
14
)
Approved Pro

IT Construction

4.64(
14
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
21 years of experience

IT Construction is a trusted Bay Area remodeling company with over 15 years of experience, specializing in full home renovations, additions, ADUs, kitchens, bathrooms, and licensed electrical services. We focus on quality craftsmanship, clear communication, and lasting results.

"George Tsikhiseli and his team completed a total remodel of the main bath and a partial remodel of the kitchen with new countertops, sink and fixtures. All work was completed on time with expert quality. His pricing was very competitive, including the add-on work I had him complete. George recommended an upgraded bathtub he found on sale and I am very pleased I went with his suggestions. I now know George and his company to be honest and reliable and I will call them for my next project."

Kurt C on September 2020

IT Construction is a trusted Bay Area remodeling company with over 15 years of experience, specializing in full home renovations, additions, ADUs, kitchens, bathrooms, and licensed electrical services. We focus on quality craftsmanship, clear communication, and lasting results.

"George Tsikhiseli and his team completed a total remodel of the main bath and a partial remodel of the kitchen with new countertops, sink and fixtures. All work was completed on time with expert quality. His pricing was very competitive, including the add-on work I had him complete. George recommended an upgraded bathtub he found on sale and I am very pleased I went with his suggestions. I now know George and his company to be honest and reliable and I will call them for my next project."

Kurt C on September 2020


Avatar for LIGHTLINE ELECTRIC INC

LIGHTLINE ELECTRIC INC

5.00(
1
)
Approved Pro

LIGHTLINE ELECTRIC INC

5.00(
1
)
Approved Pro
14 years of experience
Free onsite estimate

We are your trusted family-owned electrical company that has been proudly serving our community for 13-years. We offer expert solutions for all residential needs from installations to repairs including remodels and new builds. We provide quality craftsmanship, fair and transparent pricing, and exceptional customer service. Trust our family to keep your home or business operating safely. Call our business today for a free estimate!

"Joe from lightline electric was great took good care of me and my family. Loved that he took time to make sure I know my choices and helped me understand PG&E and how to work with them. "

Jason P on August 2025

We are your trusted family-owned electrical company that has been proudly serving our community for 13-years. We offer expert solutions for all residential needs from installations to repairs including remodels and new builds. We provide quality craftsmanship, fair and transparent pricing, and exceptional customer service. Trust our family to keep your home or business operating safely. Call our business today for a free estimate!

"Joe from lightline electric was great took good care of me and my family. Loved that he took time to make sure I know my choices and helped me understand PG&E and how to work with them. "

Jason P on August 2025

...
Showing 1-10 of 1028
FAQs for electrical wiring or panel upgrade projects in San Mateo, 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 San Mateo, 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.