Top-rated electrical wiring or panel upgrade pros.

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

Avatar for CA Electrical Group 24/7
CA Electrical Group 24/7
4.7(
61
)

Serving Danville, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Emergency services offered

"Excellent service. I needed to upgrade my electric panel, Ben did an excellent job very professional. Installing switches, circuit breaker panels, relays, and other electrical control and distribution equipment was the right call. I look at several electricians with reasonable prices and CA Electrical Group was definitely the right call. I will highly recommend CA Electrical Group to all my friends. What was important to me was his daily commitment to start and finish the job the dates we agreed on."
apartment rewire
main service panel upgrade multi meters
tesla
new 3 phase commercial electrical panel
solar ready main panel

+123

Response time5 hrs
4 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Emrom Electric, Inc.
Emrom Electric, Inc.
4.7(
80
)

Serving Danville, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"We were very lucky to find Emrom Electric and Emmanuel Mbisse. Our 100+ year old house in Berkeley needed complete rewiring after a short circuit and inspection. Emrom was able to start this huge job within a week or two, saving us a lot of money in tenants' dislocation expenses. Emmanuel was a pleasure to work with, providing explanations and giving us options along the way. He got the job done faster than we had hoped in a good, professional manner for a fair price. We would recommend Emrom to anyone and will definitely be contacting them for any future electrical work."
 High Voltage systems
 Control system
 High Voltage controls
 Control system
 Electrical main panel upgrade

+9

Response time20 mins
Response rate100%
Recommended by100%of homeowners
Avatar for Line Load Electric
Line Load Electric
5.0(
21
)

Serving Danville, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Had a loose wire somewhere in the house that was causing flickering lights. Billy found it and fixed the problem. Left the house nice and clean."
Line load electric
Line load electric
Line load electric
Full Kitchen Remodel
Full Kitchen Remodel

+7

Response time5 hrs
Response rate88%
3 neighbors recently requested a quote
Avatar for Hamilton Electric
Hamilton Electric
4.9(
63
)

Serving Danville, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Had to have additional circuits added to my panel, some wiring, plugs and GFCI outlet. Hamilton Electric did a professional job quickly and efficiently. Brian explained everything along the way and made sure I was satisfied. He is honest and fair, old school, the way service used to be. Price was great, too."
Charge controller
Charge controller
Charge controller
Charge controller
Charge controller

+41

Response time4 hrs
Response rate98%
6 neighbors recently requested a quote
Avatar for Golden Bay Electric
Golden Bay Electric
4.9(
29
)

Serving Danville, CA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Edgar is very detailed, respectful, professional with very good customer service! He showed up on time and completed the electric panel change sooner than expected! I have already referred him to my cross the street neighbor, Diane. Hopefully she will reach out soon for an estimate to change out her electrical panel too. Thank you ð ð"
Response time2 days
Recommended by92%of homeowners
Avatar for JC Electric
JC Electric
5.0(
7
)

Serving Danville, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Warranties offered

"I appreciate the high level of professionalism of JC Electric from the beginning to end. The level of detail he provided me allowed me to feel comfortable and confident with this project. The work was great! JC Electric was fast, efficient and the city inspector was impressed by the quality of work. Jaime from JC Electric rewired 3 of my bedrooms and upgraded my panel to 200 amps."
Federal Pacific Panel
Federal Pacific Panel
Discoloration
Demoed out
100a 20/40 Space Sub Panel Replacement

+1

Response time1 day
18 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for IC Electric
IC Electric
4.8(
18
)

Serving Danville, CA and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Customers say: True professional

"I am extremely happy to hire IC Electric to complete the work for replacing main breaker (100 amp) and installing new dedicated circuit for refrigerator. Work is completed timely and professionally. Ivan is very helpful in explianing all the details of work, that help me to get confidience with his capacity and expertise for doing the job. Hignly recommend to hiring him for any electrical job, large or small."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

Response time1 day
1 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for OSJ Electric
OSJ Electric
5.0(
8
)

Serving Danville, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Warranties offered

"I hired OSJ Electric to handle the electrical wiring for my swim spa, and I couldn’t be more impressed with their work. From start to finish, the team was professional, knowledgeable, and incredibly efficient, especially Ossamu. First and foremost, the pricing was very fair. They provided a detailed estimate upfront and stuck to it, with no surprise charges or hidden fees. It was refreshing to work with a company that is transparent about costs and delivers great value for the work performed. The expertise displayed was top-notch. The electricians were clearly experienced and knew exactly what they were doing. They handled the swim spa installation with ease, ensuring that everything was wired safely and up to code. It was clear they took pride in their work and were committed to delivering a high-quality job. What really stood out, though, was their follow-up. After the job was completed, they checked in to make sure everything was functioning correctly and answered any additional questions I had. This level of customer care is rare to find, and it made me feel confident in my decision to choose OSJ Electric. Overall, I highly recommend OSJ Electric for any electrical needs. Their fair pricing, expert knowledge, and thorough follow-up truly set them apart from other contractors I’ve worked with."
200A
200A Recessed.
200A
Inside
200A

+9

1 neighbors recently requested a quote
Recommended by87%of homeowners
...
Showing 1-10 of 293
FAQs for electrical wiring or panel upgrade projects in Danville, CA

A whole-house surge protector blocks voltage spikes from lightning, grid issues, or even large appliances before they can fry your wiring or electronics. By diverting excess current at the main panel, it shields everything from your HVAC to your phone chargers and can extend the life of pricey appliances. Homeowners in storm-prone regions or with older panels see the biggest payoff, but any home that relies on sensitive electronics benefits.

Most whole-house surge protectors work for two to three years. Low-level spikes—too small to notice—hit your panel every day and slowly wear down the internal components. Once the unit’s capacity is depleted, it can’t prevent a larger surge, so plan to replace it on schedule (or sooner if a major lightning strike occurs) to keep your electronics and HVAC equipment safe.

A surge protector begins guarding your circuits the moment an electrician snaps it into place. Whether the spike originates from a nearby lightning strike or your fridge kicking on, the protector shunts the extra current to ground before it can reach outlets or hard-wired systems, such as your AC. That instant response is why a small upfront cost can save thousands in appliance repairs.

The unit mounts on or next to your main electrical panel. Type 1 models sit on the supply side, catching outside spikes before they hit the breaker. Type 2 devices snap inside the panel and tame surges that start within the house. Either way, placement at the panel lets the protector guard every circuit at once.

Plan to swap the device every three to five years—or sooner if you upgrade your panel, add high-demand appliances, or notice flickering lights and tripped breakers. Relying on a maze of power strips is another red flag that your current setup isn’t keeping up. Replacing the surge protector at these milestones keeps your electrical system on safe footing.

The Danville, 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.