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Top-Rated Electrical for home addition or remodel installers in San Marcos - Updated Nov 2026

Avatar for DC Electric
DC Electric
4.9(
81
)
Electrical for Home Addition or Remodel - Install

Serving San Marcos, TX and surrounding areas

Approved

In business since 2023

Emergency services offered

Warranties offered

"Dani is one of the best contractors I have utilized. He is knowledgeable in the vast area of electrical, lighting and other electronic products. He installed several digital video and lighting equipment throughout our home. In addition, upgrading light fixtures and outdated electrical wall plugs. What I appreciated the most is he took to the time to educate me on the solutions and repairs he provided. If your looking for a professional and electrician I recommend DC Electrical Services! Would definitely used again in the future!"
Our Team is always ready to help customers
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+30

Response time8 hrs
Response rate100%
Recommended by98%of homeowners
Clear Springs AC and Electric
5.0(
14
)
Electrical for Home Addition or Remodel - Install

Serving San Marcos, TX and surrounding areas

Approved

In business since 1990

Free estimates

Credit card accepted

"He has awesome customer service and seems to care about the people first, who just happen to be customers. Came to my house at 9:30 pm on a Saturday night to fix my AC. Me house was too hot for my babies to safely sleep in. I thought I was going to have to get a hotel. But he came to the rescue."
Response time10 mins
Response rate100%
Recommended by100%of homeowners
Avatar for GoGEN
GoGEN
4.8(
48
)
Electrical for Home Addition or Remodel - Install

Serving San Marcos, TX and surrounding areas

Approved

Super Service Award Winner

In business since 1994

Free estimates

Warranties offered

"GoGen was a great company to work with. They were very thorough and made sure my electrical system was up to code and safe, which was a big concern for me. I will be calling them back in the future to install light fixtures and ceiling fans."
69 neighbors recently requested a quote
Recommended by45%of homeowners
E&D Electrical Contractor LLC
4.8(
18
)
Electrical for Home Addition or Remodel - Install

Serving San Marcos, TX and surrounding areas

Approved

In business since 2021

Free estimates

Offers commercial services

"I was in need of a good electrical company due to some interesting things going on with my home electrical and our guest apartment. E&D Electric came to give me a free estimate and in doing so they took the time to understand thoroughly the issue at hand and practically identified the issue in my main home right away. While the guest apartment was more difficult, the rough idea Mr. Gonzalo had on the issues there, was not far off. When I called to approve the quote which was fair compared to other outrageous quotes I got from other companies, they responded immediately and got me in the schedule very fast even with the holidays. While they arrive a little later than expected, once they began the work, they repaired it quickly and with high quality and safety as priority. There was a minor oversight in the panel at my main home, but it was corrected right away and for that I’m more than pleased as well. Needless to say this company has my highest recommendation."
Response time8 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Hurley's Electrical Services, Inc.
Hurley's Electrical Services, Inc.
4.6(
52
)
Electrical for Home Addition or Remodel - Install

Serving San Marcos, TX and surrounding areas

Approved

In business since 2010

Free estimates

Customers say: Quick response

"Customer service was great and Jason was very responsive to my situation. He not only installed the GFIC outlet but went as far as to troubleshoot the cause that made the new one to trip. Very easy to contact and extremely service minded. I plan to use him for any future electrical projects."
Response time1 day
Response rate100%
Recommended by100%of homeowners
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FAQs for electrical for home addition or remodel installation projects in San Marcos, TX

Because installing coax outlets involves working around existing electrical wiring and confirming proper grounding, many homeowners prefer to hire a licensed electrician. A professional completes the work safely, secures the line behind the wall, and ensures the installation meets local code, which reduces the risk of damage or future repairs.

You still need a coaxial outlet for most cable-based internet services. The modem draws its signal from a cable line that terminates at a dedicated wall jack. Once the modem is online, your Wi-Fi router can broadcast the signal throughout the home, so the outlet’s location doesn’t affect wireless performance. If an existing jack is damaged or in an inconvenient spot, an electrician can move it or install a new one to maintain a strong, reliable connection.

Coaxial cable loses signal strength the farther it runs. A 50-foot length introduces noticeable loss, and a 100-foot stretch can drop the signal by roughly 30%. A weaker signal can result in a fuzzy picture or slower internet speeds. To maintain high performance, limit cable length whenever possible, select the correct cable grade, and route it efficiently. If your layout demands an exceptionally long run, an electrician can install an inline amplifier to boost the signal and maintain picture or data quality.

The San Marcos, TX homeowners’ guide to electrical for home addition or remodel installations

From average costs to expert advice, get all the answers you need to get your job done.