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Find Electrical wiring or panel upgrade pros in Signal Hill

Carlos Cortez
4.8(
59
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2003

Free estimates

Customers say: Quick response

"My project went perfectly! I could not ask for more! He was prompt at our meetings. Some other guys wanted twice the price! New panel project was completed in just 2 days. City permit was signed off completely. The crew were so polite to my tenants also. They left the area spotless. I will hire Carlos Cortez again!"
Panel upgrade
panel upgrade
panel upgrade
panel upgrade
panel upgrade

+3

Response time6 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for ElectricREY INC
ElectricREY INC
5.0(
10
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Very professional service start to finish. The EV charger installation was completed efficiently and everything works perfectly . Highly recommended their excellent service."
Gallery
$200 amp panel upgrade
$200 amp panel upgrade
Ev charger installation
Ev charger installation

+1

17 neighbors recently requested a quote
Avatar for Excellence Electric, Inc.
Excellence Electric, Inc.
4.8(
297
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"From the beginning, the experience with Raymond was fantastic. He asked me for pictures of the current electrical panel, and with some additional information, he was able to provide an all-inclusive quote. He handled the permits and coordinated between the city and the power company. He was always very responsive and proactive. His team communicated clearly and was focused on getting every detail done right. I would hire Raymond in a heartbeat for any/all electrical work."
7 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Joe Electric
Joe Electric
4.5(
96
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Joe's Electric returned my care within minutes of me contacting them. I had a technician in my home in 1.5 hrs. Who quickly identified and fixed the problem within 35-45 minutes. They saved me from losing a whole day of work and it was worth the cost vs loss I would have incurred."
Response time2 days
77 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Mattiace Electric
Mattiace Electric
5.0(
69
)

Serving Signal Hill, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"amazing! so much electrical knowledge and was able to do everything i needed in a quick timely manor! ive used him several times and will continue to do so."
Electrical Project
Emporia Home monitoring electrical system
50 amp outdoor  EV charger
400 pound chandelier install
Electrical Project

+38

Response time7 hrs
2 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Wilson Electric
Wilson Electric
4.5(
199
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"Wilson Electric was great to work with, they promptly responded for my request for a quote and provided me an estimated price for the job as described. The day they arrived to do the work, they finished in about 2 hours and made sure we were happy with the job. I would use them again in the future."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for Casaroja Electric Inc
Casaroja Electric Inc
5.0(
19
)

Serving Signal Hill, CA and surrounding areas

Approved

Emergency services offered

Warranties offered

Offers commercial services

"I got a few estimates to get more power out to my studio. Everyone quoted me about 4K to upgrade my panel and get dedicated line out to my studion. These guys were to only ones that looked for a better/more economical solution. I sent a pic of my panel and he remembered that I upgraded my kitchen a while back but noticed that my electric stove had it's own dedicated line. He asked me, did you convert to gas when you remodeled? I said yes and he said, great, we take the line that was dedicated to the stove and we use that. It saved me $1500 and it worked perfectly. I would absolutely hire again!"
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade

+1

5 neighbors recently requested a quote
Avatar for Wolf Pack Electric Inc
Wolf Pack Electric Inc
5.0(
7
)

Serving Signal Hill, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"My dad actually found Ryan working on our neighbor’s electrical panel and poached him! I needed a panel upgrade, and Ryan completed the work efficiently and very well. He was very responsive and thorough with his work. He took the time to explain everything and was a pleasure to work with. He made the entire process so easy. Definitely helps to have a licensed electrician who can work directly with SCE and pull permits from the city. 10/10 recommend. THANK YOU, RYAN!"
200 amp panel upgrade
200 amp panel upgrade
Response time3 hrs
1 neighbors recently requested a quote
Avatar for HARMONY ELECTRIC PLUMBING & AIR INC
HARMONY ELECTRIC PLUMBING & AIR INC
4.9(
26
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Extremely efficient people. Showed up when they said they would. Diagnosed my electrical issue and solved it within 10-15 minutes. Adrian M. Was incredibly easy to work with!"
561 neighbors recently requested a quote
Recommended by52%of homeowners
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Showing 1-10 of 491
FAQs for electrical wiring or panel upgrade projects in Signal Hill, 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 Signal Hill, 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.