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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(
9
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Electric Ray did an exceptional job installing my EV charger and upgrading the electrical work in my panel. Extremely honest, professional, punctual, and clean throughout the entire process. The installation looks great and everything works perfectly. I highly recommend Electric Ray for any electrical or EV charger installation needs."
Gallery
$200 amp panel upgrade
$200 amp panel upgrade
Ev charger installation
Ev charger installation

+1

28 neighbors recently requested a quote
JK Flores Enterprise LLC.
5.0(
43
)

Serving Signal Hill, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Perfect and smooth journey, Jorge came pre instillation to check the electrical panel and where the the charger was going to be installed and after the review he text me the cost of parts and installation, after I received the charger he came on time and the job was completed. I was updated by text messages throughout the process. In the future if I need any electrical work I definitely use JK Flores Enterprise."
Existing ceiling fan
UPS system ready for a power outage
e.v. charger
New ceiling fan in living room
New UPS system

+28

Response time4 hrs
Response rate95%
11 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

"Excellence Electric is just that: excellent on every level. They did a panel upgrade and install of a level 2 electric car charger. The company is family owned (father and son). They did a tremendous job at a very good price. Their attention to detail and workmanship was remarkable. They had to run conduit up the back of my house. They matched the paint at Home Depot that perfectly blended with our house color. Such personable, honest people. Ray jr. told me as he was walking from the job: any problems, or concerns, we’ll take care of it no questions asked. I could not more highly recommend!"
9 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

"I have used Mattiace Electric several times and they were great! Arrived on time, rates were fair & they found and fixed my electrical problems. I highly recommend Mattiace Electric."
Electrical Project
Emporia Home monitoring electrical system
50 amp outdoor  EV charger
400 pound chandelier install
Electrical Project

+38

Response time8 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
Recommended by89%of homeowners
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 CONVERSION ELECTRIC
CONVERSION ELECTRIC
5.0(
12
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Conversion electrical was spot on. I had a residential that turned into commercial, and without hesitation, they were able to make the transformation. Take care of all the commercial electrical and had no problems with inspections or Inspector you can not go wrong with conversion Electrical."
Response time1 day
5 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Alset Electric
Alset Electric
4.8(
68
)

Serving Signal Hill, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Eddie did a great job from start to finish installing my new upgraded electrical panel and the price was right. I was very pleased with the service. I highly recommend for all your electrical needs."
Transformer
Beautiful chandelier set up power with switch and put chandelier together piece by piece
Lighting for kitchen counters with a switch..  you can turn on and off..  really cool looking.. something different..
Trenching
Trenching

+62

Response time1 day
8 neighbors recently requested a quote
Recommended by74%of homeowners
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Showing 1-10 of 492
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.