Top-rated electrical wiring or panel upgrade pros.

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

Avatar for Target Electric & Solar
Target Electric & Solar
4.9(
264
)

Serving San Marcos, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"I live "off the grid" so 100% of my electricity is from solar panels and battery storage. Recently my 21 year old system was starting to fail forcing me to continually run my generator. After researching and spending a large amount of time reading reviews online I contacted TARGET ELECTRIC & SOLAR for a quote. The next day they sent out an ELECTRICIAN to assess my needs and requirements. The following day I had a formal written quote. I had a few minor changes so they revised the quote. I told them I had an upcoming surgery scheduled so the timing was critical. I had just gone to Costco and loaded my freezer with over $300 in frozen food and that was going to melt down. The owner of Target Electric offered to let me put my food in his church/community centers freezers. I used my own church's freezers. Who does that? Target Electric laid out a three tier payment schedule and we got the project started. The components were shipped directly to my home and within a day or two the cre"
Service and Repairs 10% Off
18kw Hybrid Inverter and 31kwh Battery Tower with close loop communications to smart phone
Roughed in for meter release local jurisdiction
Service and Repairs 10% Off
Corresponding electrical work tie in with utility

+500

Response time12 hrs
10 neighbors recently requested a quote
Recommended by94%of homeowners
Charles Viereck Electric
5.0(
191
)

Serving San Marcos, CA and surrounding areas

Approved

In business since 1994

Free estimates

Warranties offered

"Long story short, Charles was swift to respond to my initial inquiry (unlike ALL the other electricians I called, and there were many!); He installed a 240V outlet in my garage two days later!! (I was being told by others that even as little as a meet’n greet would be at least a week out); He was quick, efficient, extremely knowledgeable, and highly experienced in his field!!; His price was 15%, Yes! 15% of the other quote I got!! I suspect the other quote was so insanely high because 1. that other electrician was featured on the Tesla site, and 2. it’s easy to scam someone who doesn’t know much about electricity – he was telling me I need all new panels installed etc. etc.). It certainly goes to show how valuable an honest electrician is!! Even after he completed the work, Charles showed sincere interest in my need for the outlet by doing further research and helping me charge my Tesla in the most efficient way! I have other projects in mind and I will not even remotely consider hiring anyone else!"
3 neighbors recently requested a quote
Recommended by98%of homeowners
Walter Electric
4.7(
60
)

Serving San Marcos, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Warranties offered

"Keith Walter and his crew, Alan and Andy did an upgrade of electrical panel and installed a new sub panel, labeled the breakers by tracing the house lighting and outlets. They were efficient, knowledgeable and courteous. They explained the job to an 84 year old woman to help me understand what is happening to panels in a 50 year old house in Scripps Ranch."
 Energy Efficient Lighting Design
Creative Accent Lighting
LED Soffit Lighting
Creative Solutions
Mood Lighting

+2

Response time7 hrs
37 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Anderson Electric
Anderson Electric
4.9(
92
)

Serving San Marcos, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Great find on HomeAdvisor.com. Scheduled appointment on a Wednesday and work completed on Thursday. These guys are experienced and beat my expectations. Jason called me within minutes of my request and set up an appointment for Jim to complete my electrical requirements. Friendly, fast, reliable and reasonable, Jim came up with an excellent way to install my Wifi video camera above my front door and installed power to the camera. Thanks for a job well done!"
 Barn entrance switches and GFI receptacle.
 conduit, j-box, feeding interior and exterior bar
 Special modification for customer's desired effec
Conduit and lights, couldn't fit 3rd light into ph
 Conduit routed from barn to tack room

+5

Response time7 hrs
Recommended by98%of homeowners
Avatar for B & C Electric Corp
B & C Electric Corp
5.0(
19
)

Serving San Marcos, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"B and C Electrical were awesome! Super professional and really friendly. They showed up right on time, made sure everything was cost-effective, and actually fixed the problems we’d been having with our electrical panel for years. They did a much better job than others who came out before, and now everything works the way it’s supposed to. Couldn’t be happier with their work — I highly recommend them!"
60 amp Siemens
Bushing
Grounding
Light sequence
Emporia charger

+17

Response time4 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for Walter Electric
Walter Electric
5.0(
12
)

Serving San Marcos, CA and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"Where other companies just assumed a generic installation, Walter Electric spent a lot of time planning a customized arrangement that worked best for our particular layout. They gave more options and suggestions, and it made all the difference in the end. I would definitely recommend them to anyone thinking about lighting installation!"
Electrical Project
Electrical Project
Electrical Project
Additional Photos
Additional Photos

+5

Response time8 hrs
7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Electrical Insight, Inc.
Electrical Insight, Inc.
4.8(
38
)

Serving San Marcos, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"They had electricians available the same day and someone got to the house within 3-4 hours of my call. It was the replacement of a circuit breaker. I felt the price was reasonable (actual price was $75 less than the prepaid HomeAdvisor/Angi rate that supposedly included a 20% discount). I have no regrets and will definitely be contacting them in the future if I need an electrician."
Electrical Projects
Electrical Projects
Electrical Projects
Electrical Projects
Electrical Projects

+45

Response time1 day
Response rate92%
1 neighbors recently requested a quote
Avatar for Green Electric Solutions
Green Electric Solutions
4.5(
1,202
)

Serving San Marcos, CA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Our electrician was Juan. Very knowledgeable and professional. Helped do a rewire in our garage and corrected other problems with outlets in other areas of the house. Upgraded our panel. Friendly, wore a mask."
Solar Tiles
Solar for the Pool
Solar Tiles
Outlet
Electrical Outlets

+2

Response time3 hrs
290 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Casaroja Electric Inc
Casaroja Electric Inc
5.0(
17
)

Serving San Marcos, 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

4 neighbors recently requested a quote
...
Showing 1-10 of 222
FAQs for electrical wiring or panel upgrade projects in San Marcos, 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 Marcos, 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.