San Antonio Electrician — 78278
Looking for electrical work in the 78278 area of San Antonio, Texas? Licensed electricians covering this ZIP handle repair, replacement and installation work to the code edition Bexar County has adopted — and the quote should be in writing before anyone starts.
Ask for a flat price per task rather than an hourly estimate. Flat-rate pricing is the residential standard, and it puts the risk of a slow job on the contractor rather than on your invoice.
Free referral service · no charge for the call · written quote before any work starts
- Licensed electricians only — ask for the licence number and confirm it before work begins.
- Local crews who know your area’s permit office, inspection timelines and housing stock.
- Repairs tested under load before sign-off, not just switched on and left.
- 24/7 availability for genuine emergencies — burning smells, sparks, water damage and total power loss.
- Written quotes before work starts, with a flat price per task rather than an open hourly meter.
Electrical work local to 78278
San Antonio is served by licensed electricians working across 83 ZIP codes and 2 counties. The city page for San Antonio lists every covered ZIP, and each service page explains what the job involves and what drives the price.
What people in San Antonio call about
- You want to schedule charging overnight on a time-of-use rate
- Double-tapped breakers or circuits with no earth ground
- A wall control or remote to pair with an existing fan
- Adding an ADU, garage conversion, addition or finished basement
- A garage workshop drawing more than a general circuit can supply
- Breakers that feel hot, trip without load or will not reset cleanly
- A burning or fishy smell near an outlet, switch or panel
If any of those are happening now, treat the circuit as suspect: switch it off at the panel and have it tested rather than resetting a breaker repeatedly.
Smoke & CO Detector Installation in San Antonio — what it costs
Interconnected smoke and carbon monoxide alarms, hardwired with battery backup, positioned where code requires them and tested after installation.
| Work | Typical range | Notes |
|---|---|---|
| Battery-powered alarm, installed per device | $100 – $200 | Simplest upgrade |
| Hardwired interconnected alarm (per device) | $150 – $350 | Includes wiring to the loop |
| Combination smoke and CO alarm | $175 – $400 | Recommended near fuel appliances |
| Whole-home interconnected system (5-8 alarms) | $500 – $1,500 | Depends on access and wiring |
| Replace expired 10-year sealed alarms | $110 – $250 | Per device, includes disposal |
Duration: typically 1-3 hours. Full Smoke & CO Alarms guide for Texas.
Services available in 78278
Hot Tub & Spa Wiring
$400 – $2,000Whole-House Rewiring
$8,000 – $30,000Electrical Repair & Troubleshooting
$145 – $650Recessed & LED Lighting Installation
$150 – $900Outlet, Switch & Receptacle Installation
$120 – $500Dedicated Circuit Installation
$200 – $900Smoke & CO Detector Installation
$100 – $800Whole-House Surge Protection
$300 – $900Ceiling Fan Installation
$150 – $600What moves the price in San Antonio
Things that lower it
- An existing circuit that can carry the new load
- Open access — attic, basement or crawlspace runs
- Bundling several small jobs into one visit
- Spare breaker positions already in the panel
Things that raise it
- Fishing new cable through finished plaster or drywall
- A panel that is full, undersized or a recalled brand
- Permitted work with inspection and utility coordination
- Damaged service entrance, meter base or mast
Local notes for 78278
- Located in Bexar — the authority that issues electrical permits for this address.
- Time zone: Central — emergency and after-hours availability follows local time.
- 83 ZIP codes inside this service area.
- Service radius is local: the crew dispatched is working in this area, not travelling from out of state.
Map of the San Antonio service area
Amber marker: San Antonio, TX 78278. Blue markers: nearby covered cities. The shaded ring shows a typical 15-mile local service radius — actual dispatch areas vary by contractor.
Nearby ZIP codes
Adjacent ZIP codes with licensed coverage. If your address sits on a boundary, either ZIP works.
Electrician FAQ for 78278
Do you have electricians covering the 78278 ZIP code?
Yes — 78278 (San Antonio, Texas, Bexar County) is inside the coverage network, and requests from this ZIP are routed to licensed electrical contractors working the San Antonio area. Give the dispatcher the ZIP and the street so they can confirm the visit window.
Do you handle both homes and small businesses?
Most local electrical contractors take residential work and light commercial work such as retail, restaurant and office premises, including three-phase distribution, lighting retrofits and dedicated equipment circuits. Larger commercial projects are quoted from a site survey.
Which county handles electrical permits for 78278?
This ZIP sits in Bexar County, Texas. Permit and inspection requirements for panel changes, service upgrades and new circuits are set locally, so confirm with the contractor whether a permit is required for your specific job and who is filing it.
Is 24/7 emergency service available for 78278?
Emergency requests are taken around the clock. Central time applies locally, and after-hours availability depends on the contractor on duty — genuine emergencies such as burning smells, smoke, sparks or water contacting live wiring are prioritised over routine work.
How do I know the electrician is licensed?
Ask for the licence number before work begins and confirm it with the licensing authority for your state or municipality. Electrical licensing is handled at state level in most of the country and at city or county level in a few large metro areas, so the correct place to verify depends on where you live. A licensed contractor will give you the number, and usually the insurance certificate too, without being asked twice.
What does an electrician charge in San Antonio, TX?
Expect the same structure as the national market: roughly $50-$150 per hour for licensed residential work plus a trip fee of about $75-$200, with most common jobs priced flat-rate per task. Local labour rates in Texas move the national ranges by roughly 10-25% either way, and panel capacity work starts around $1,300 and rises from there.
What warranty should I expect?
Workmanship warranties are set by the contractor, and one to two years on labour is common on larger jobs, with manufacturers covering the equipment separately. Ask for the warranty terms in writing on the invoice, not verbally.
Other ZIP codes in San Antonio, TX
83 covered ZIP codes in San Antonio. Jump straight to the one closest to your address.
- 78201
- 78202
- 78203
- 78204
- 78205
- 78206
- 78207
- 78208
- 78209
- 78210
- 78211
- 78212
- 78213
- 78214
- 78215
- 78216
- 78217
- 78218
- 78219
- 78220
- 78221
- 78222
- 78223
- 78224
- 78225
- 78226
- 78227
- 78228
- 78229
- 78230
- 78231
- 78232
- 78233
- 78235
- 78237
- 78238
- 78239
- 78240
- 78241
- 78242
- 78243
- 78244
- 78245
- 78246
- 78247
- 78248
- 78249
- 78250
- 78251
- 78252
- 78253
- 78254
- 78255
- 78256
- 78257
- 78258
- 78259
- 78260
- 78261
- 78263
- 78264
- 78265
- 78266
- 78268
- 78269
- 78270
- 78278
- 78279
- 78280
- 78283
- 78284
- 78285
- 78288
- 78289
- 78291
- 78292
- 78293
- 78294
- 78295
- 78296
- 78297
- 78298
- 78299
Need an electrician in San Antonio 78278?
Free phone triage: describe what is happening and find out whether it needs a visit today or can be scheduled. No obligation, no charge for the call.
Call (619) 877-0478Call (619) 877-0478 any time. Ask for the licence number, the trip fee and a flat price for the job.
Nationwide Electrician is a free referral service connecting San Antonio homeowners with licensed electrical contractors. We do not perform electrical work and we do not set the prices contractors charge. Coverage data for 18,671 US ZIP codes, last verified September 23, 2026.