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Top-Rated Electrical wiring or panel upgrade pros in Sunol - Updated Nov 2026

Avatar for Dalcon Electric
Dalcon Electric
4.5(
431
)
Electrical Wiring or Panel Upgrade

Serving Sunol, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1993

Emergency services offered

Warranties offered

"I loved working with Dalcon. From the estimate and working with Zachary to the excellent wiring by Reggie and Christian, they are very professional. I had an ancient main panel replace with a newer larger main panel. In addition they added 6 new circuits. The main panel wiring was so well done that the inspector said he had not seen work that good in years. Dalcon is expensive but I believe that it was well worth it."
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+9

Response time9 hrs
Response rate98%
3 neighbors recently requested a quote
Avatar for Dalcon, Inc.
Dalcon, Inc.
4.7(
85
)
Electrical Wiring or Panel Upgrade

Serving Sunol, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Emergency services offered

Small jobs welcome

"Carlos F. was very professional and courteous. He was able to fix my electrical issue promptly & kudos to Dalcon, Inc for providing same day service. Great work & customer service. Would definitely recommend!"
SPAN Smart Panel
SPAN Smart Panel
Los Gatos Multi Meter
Response time7 hrs
Response rate88%
14 neighbors recently requested a quote
Avatar for Single Line Electric
Single Line Electric
5.0(
49
)
Electrical Wiring or Panel Upgrade

Serving Sunol, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"Nery and his crew did an excellent job installing both a new electric panel upgrade and a 240V EV charger. They were open to discussing and negotiating a reasonable price and working with the city to have the new panel inspected. I would highly recommend Single Line Electric Company to others and would use their services again if needed."
Main Panel Upgrade
Main Panel Upgrade
Main Panel Upgrade
Response time1 day
Response rate87%
36 neighbors recently requested a quote
Avatar for IC Electric
IC Electric
4.8(
22
)
Electrical Wiring or Panel Upgrade

Serving Sunol, CA and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Customers say: True professional

"Ivan and Edgar were amazing! I originally brought them on board for an EV charging outlet to be installed in my detached garage. After a quick assessment, we learned I would need to have a new electrical panel installed and a new line run under the home to the garage. The work was done quickly and flawlessly. Their price was also very competitive to many of the quotes I was provided from other teams. On top of that, Ivan and Edgar were extremely professional and friendly. I plan to also hire them for a recessed lighting project in my living room, which I learned is their specialty. Thank you IC Electric for an amazing instal!"
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+3

Response time11 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for Rack City Electric, Inc.
Rack City Electric, Inc.
5.0(
14
)
Electrical Wiring or Panel Upgrade

Serving Sunol, CA and surrounding areas

Approved

In business since 2021

Credit card accepted

Offers commercial services

"Rack City Electric was responsive, quick and competitively priced. He listened to what I wanted and suggested some of his ideas. I did not feel he tried to upsell or add to the project. He was on time, on budget and did great work and clean up. Will definitely use this company again. The work was done as specified. He asked for our input when it was needed."
New Meter Combo Service
Nw Main Electrical Service
Main Panel Upgrade
Burnt mater socket
Replacement Service

+1

Response time5 hrs
Response rate93%
1 neighbors recently requested a quote
Avatar for Budget Electric
Budget Electric
3.4(
199
)
Electrical Wiring or Panel Upgrade

Serving Sunol, CA and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"We submitted a service request through our AHS home warranty and were assigned to Budget Electric. It was after work hours. It affected our fridge and stove, so AHS put it as expedite/emergency. The next morning we were contacted by BE, and they found us a canceled appointment time for the following morning. In the meantime, I searched BE for reviews and saw quite a few negative reviews, leaving me nervous for our appointment. Based on the service we received, I don't know how they have bad reviews. The women answering my phone calls were very understanding and patient with may many phone calls. Michelle and another woman handled all my questions and concerns. There were a couple of times I wasn't able to reach them, but I'm assuming they were handling other calls or were at a unch break. Although it was an hour outside of our service window, we had an electrician show up soon after. With the storms, I think they're busy and sometimes run a little behind. Michael was the best and completely blew away all concerns as soon as he arrived. He was courteous and positive the entire time. He asked permission for coming inside, opening doors, going into rooms, etc. He patiently explained everything he did. He wasn't annoyed by curiosity or my questions. He was thorough and had diagnosed our problem in less than 5 minutes. Although it ended up being an issue for PG&E to fix, Michael double-checked the circuit breaker and boxes. He replaced a faulty fuse box to ensure no additional issues. After our service was complete, I shared our initial concerns based on previous reviews. Michael was still positive and genuinely courteous. He had positive things to say about Miguel and Abraham as well. He explained they have a high volume of service calls. He didn't make excuses. Without dismissing the other reviews, he said that with the volume of calls they do, there are probably some negative reviews. Although I don't typically leave reviews, I felt it was only fair to give an honest review after reading the negative reviews. Thanks to BE and Michael for service above and beyond!"
Response time12 hrs
Response rate100%
Recommended by69%of homeowners
Avatar for Mister Sparky
Mister Sparky
5.0(
7
)
Electrical Wiring or Panel Upgrade

Serving Sunol, CA and surrounding areas

Approved

Warranties offered

Credit card accepted

Offers commercial services

"I had an outstanding experience with Mister Sparky. They installed a new electrical outlet in my master bedroom, and the entire job was completed in less than an hour. From the moment they arrived, the technician was punctual, courteous, and highly professional. The quality of the workmanship exceeded my expectations. Everything was installed neatly, tested thoroughly, and the work area was left spotless. It’s refreshing to work with a company that values both craftsmanship and customer service. If you’re looking for a reliable, knowledgeable, and efficient electrician, I highly recommend Mister Sparky. They made the entire process quick, stress-free, and delivered exceptional results. I wouldn’t hesitate to use them again for any future electrical work."
Installed Charger
Foyer Chandelier
Foyer Chandelier
Pendant Lights
Tesla Charger

+43

174 neighbors recently requested a quote
Avatar for M-A-D Electric
M-A-D Electric
5.0(
4
)
Electrical Wiring or Panel Upgrade

Serving Sunol, CA and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

"Carlos explained detailed plans and very patient to help us triage and solve the issues with light flickering. We are very happy with his service. Price was a reasonable with transparent communication"
4 neighbors recently requested a quote
Avatar for Atomic Telecomm & Electrical Inc.
Atomic Telecomm & Electrical Inc.
4.5(
9
)
Electrical Wiring or Panel Upgrade

Serving Sunol, CA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

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. \n

Network Switch and Router
Driveway Camera
Backyard Camera's
Front Yard Camera
NW corner of house

+9

Response time1 day
Response rate85%
Recommended by87%of homeowners
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FAQs for electrical wiring or panel upgrade projects in Sunol, CA

Yes, a licensed electrician is essential for this project. Running an electrical service from the road to your house involves connecting to utility power lines, complying with national and local electrical codes, and safely handling high-voltage systems. 

Licensed professionals understand proper wire sizing, grounding requirements, and voltage drop calculations needed for safe installation. Most jurisdictions require permits and inspections that only certified professionals can obtain. The safety risks and potential for property damage make this project inappropriate for DIY attempts.

Overhead installations are less expensive than underground options. For a 1000-foot run, overhead service costs between $8,000 and $15,000, while underground service ranges from $10,000 to $25,000. 

Overhead lines require less labor and fewer materials since they don't need trenching or conduit. However, underground lines offer better protection from weather events and aesthetic benefits. Your decision should balance your budget constraints with long-term reliability and visual preferences.

You might need to upgrade your electrical panel depending on your power requirements. If your existing panel cannot handle the additional load from the extended service, upgrading to a 200-amp service (costing $750 to $2,000) may be necessary. 

A licensed electrician can evaluate your current system and determine if an upgrade is required. Factors include what you'll be powering at the end of the line, existing electrical demand, and whether voltage drop over the distance will affect performance.

Running electric service from the road to a house requires electrical permits from your local building department, costing between $500 and $2,000 depending on your location. You may also need excavation permits for trenching work if installing an underground service. Your utility company will have its own application process for connecting to its grid. A licensed electrical contractor can handle all the necessary permit applications as part of their service, ensuring your installation meets all local code requirements.

The Sunol, 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.