Welcome to 4A Electrical Services
Wired for Excellence. Powered by Trust.
Reliable Electrical Services in San Antonio
For Homes, Businesses & Construction Projects
Our licensed electricians provide safe, high-quality electrical services
for homes, businesses, and construction projects throughout San Antonio.
Serving San Antonio homeowners and business since 2018.
⭐ 5-Star Rated | Licensed & Insured | Serving San Antonio Since 2018
Residential • Commercial • Electrical Contractor
How Can We Help You Today?
Homeowners and businesses across San Antonio trust 4A Electrical Services for reliable, professional electrical work.
Residential
commercial
construction
EV Chargers
why choose 4a Electrical
When it comes to your home or business, you need electricians you can trust. Our licensed and insured team delivers safe, high-quality electrical work backed by experience and dependable service. From small repairs to large installations, we focus on safety, reliability, and customer satisfaction on every project.
recent customer reviews
Homeowners and businesses across San Antonio trust 4A Electrical Services for reliable, professional electrical work. See what our customers have to say about their experience with our team.
⭐ 5-Star Rated | Licensed & Insured | Serving San Antonio Since 2018
BUSINESSES WE’VE WORKED WITH
We’re proud to provide electrical services for homes, businesses, and construction partners across the San Antonio area.
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Your Trusted Electricians in San Antonio
4A Electrical Services provides professional residential, commercial, and construction electrical services throughout San Antonio and surrounding communities.
Our licensed electricians handle everything from electrical repairs and panel upgrades to lighting installation and EV charger installation. Whether you’re a homeowner needing troubleshooting or a contractor planning a new build, our team delivers safe, high-quality electrical work you can rely on.
As a locally owned electrical contractor serving San Antonio since 2018, we understand the electrical needs of homes and businesses across the area. Our goal is simple: provide dependable service, honest recommendations, and professional workmanship on every project.
Family-Owned & Operated
With over 20 years of experience, licensed electrician and founder Henry Alonzo built 4A Electrical Services on quality workmanship, safety, and reliable service for the San Antonio community.
⭐ 5-Star Rated Electrical Contractor Serving San Antonio Since 2018
Licensed Texas Electrical Contractor • TECL 33618
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Financing Available
Residential • Commercial • Electrical Contractor
Payment Options Available
Financing through Wisetack lets you pay over time for electrical upgrades with a fast application and no impact to your credit score.
Rates from 0% APR*
No hidden fees
Checking eligibility won’t affect your credit score
Visit our Financing page from the menu for full details
Electrical Services Across the San Antonio Area
We proudly provide residential, commercial, construction, and EV charger installation services throughout:
San Antonio • Stone Oak • Alamo Ranch • Helotes • Boerne • Leon Valley • Castle Hills • Shavano Park • Universal City • Schertz • Bulverde • Spring Branch • Fair Oaks Ranch:
Proudly serving San Antonio homeowners and businesses since 2018.