About Sparkline Electrical
Established in 1992, Sparkline Electrical is a locally-owned well-respected electrician contractor focused on residential service work in San Antonio, TX and the surrounding suburbs. Specialties include panel upgrades, EV chargers, whole-home surge protection, generator installation, knob-and-tube and aluminum wiring repair, and smart-home / low-voltage wiring. The shop is known for explaining the work in plain English before quoting it, never running cash-only off-the-books jobs, and pulling proper permits on everything past a like-for-like outlet swap. Active state license and full liability insurance on every truck.
Sparkline Electrical serves homeowners across San Antonio, TX and surrounding ZIP codes including 78201, 78205, 78209, 78218, 78232. Pricing is up-front and quoted in writing before any work begins, with no obligation if the estimate isn't right for your project.
Services offered
- Service panel upgrades (200A)
- Recessed lighting
- EV charger install (Level 2)
- Smart-home wiring
- Outdoor & landscape lighting
- Knob-and-tube & aluminum rewire
- Whole-home surge protection
Service area
Sparkline Electrical covers San Antonio and the surrounding metro, typically responding to addresses within 25–35 miles of 78218. Same-day appointments are commonly available for non-emergency requests booked before noon, and 24/7 emergency dispatch is offered for active leaks, electrical hazards, no-heat/no-cool calls, and lockouts when applicable.
Licensing & insurance
FixNearMe verifies that Sparkline Electrical holds an active TX contractor license (#TX-868081) and carries general liability insurance covering work at residential properties. We re-verify licensing annually and remove any pro whose status lapses or whose review pattern deteriorates.
How to request a quote
Use the free quote form on this page to send your job details directly to Sparkline Electrical and up to two other nearby electricians in San Antonio. You'll receive up-front written quotes — usually within an hour during business hours — so you can compare apples to apples before booking.