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Fastech Critical Services, Inc.Electrician in Ontario, CA

Fastech Critical Services, Inc. is an electrician at 3200 E Guasti Rd Suite 100, Ontario, CA 91761. Open Monday to Friday.

Ontario, CA0 paid placements in any rankingHow we rank

Call (800) 390-5185Website ↗

Key facts

Key facts about Fastech Critical Services, Inc.
Address3200 E Guasti Rd Suite 100, Ontario, CA 91761Get directions
Phone(800) 390-5185
Websitefastechcriticalservice.com
HoursMonday to Friday: 8 AM – 5 PM

Trades

Each trade shows the evidence we matched it on.

  • Electricalmain tradeGoogle main category

Service area

Serves Ontario and 11 towns within 25 miles: Rancho Cucamonga, Upland, Jurupa Valley, Montclair, Glen Avon, Eastvale, Chino, Claremont, Fontana, Pedley and Sunnyslope.

Based in Ontario, CAView on map

Opening hours

Opening hours for Fastech Critical Services, Inc.
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical electrical work prices

Typical electrical work prices
JobLowTypicalHigh
Electrical panel upgradePer panel, installed; typical range of customer-reported jobs. US national range$518$1,347$2,193

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

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Questions about Fastech Critical Services, Inc.

What are Fastech Critical Services, Inc.’s hours?

Fastech Critical Services, Inc. is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Fastech Critical Services, Inc. serve?

Serves Ontario and 11 towns within 25 miles: Rancho Cucamonga, Upland, Jurupa Valley, Montclair, Glen Avon, Eastvale, Chino, Claremont, Fontana, Pedley and Sunnyslope. The list is based on the business's location and the usual service radius for electrical work. Confirm your address is covered when you call.

How do I contact Fastech Critical Services, Inc.?

Call Fastech Critical Services, Inc. on (800) 390-5185. The business is at 3200 E Guasti Rd Suite 100, Ontario, CA 91761. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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