3 Alarm Fire & Safety – Ontario, CA 
Walk-In Location

3 ALARM FIRE & SAFETY
Fire Extinguisher Sales 
• Service 
• Certification 
• Training 

840-900-3237

3 ALARM FIRE & SAFETY 
Fire Extinguisher Safety & Service Inland Empire and Southern California

Providing Professional, Compliant, and Ethical Fire Extinguisher and Safety-related Services since 2005.
We are your fire extinguisher sales, service, installation, and training resource.

Fire Extinguisher Service & Safety Experts in Ontario, CA 



Your Local Fire Protection Partner Located at

4355 E. Lowell St. Unit A, Ontario, CA 91761 



Walk-in Showroom Open



You can now come to our location, and purchase new fire extinguishers for your business. Speak with our experts to determine your needs!

You can also drop off extinguishers for service and/or certification.

Also, feel free to call & schudule a time to come in!

The storefront of 3 Alarm Fire & Safety Ontario, CA location, featuring a company logo and contact information on the glass door.

Same-Day Service Available

A technician wearing gloves weighs a red fire extinguisher on a digital scale in a workshop setting.

  • OSFM Licensed 
  • Cal/OSHA Compliant

A close-up of a person's hand using a black marker to write on a strip of orange Fire Extinguisher certification tags.

Serving Ontario, Rancho Cucamonga, Fontana, Chino & the entire Inland Empire

Call Now: 840-900-3237

Visit Our Ontario Showroom
We perform both low pressure hydrotesting and high pressure testing on fire extiguisher cylinders, liquid 
A person in a tan polo shirt holds and demonstrates a red fire extinguisher in front of an audience.

✓ Over 14 Years Experience 

✓ OSFM License E#2318 

✓ NFPA Standards 

✓ Cal/OSHA & OSHA Compliant 

✓ DOT Hydrotester 

✓ Local to the Inland Empire


Your Fire Safety Headquarters in Ontario, California


Located right here in Ontario, CA, our convenient walk-in showroom and full-service center at 4355 E. Lowell St. Unit A, Ontario, CA 91761 makes it easy for local businesses to get fast, reliable fire protection services.

No traveling to Los Angeles or out-of-area techs — just your trusted local team serving Ontario businesses every day.


Storefront / Walk-In Location
4355 E. Lowell St. Unit A
Ontario, CA 91761

Phone: (840)-900-3237


Administration Office
7560 Kempster Ct.
Fontana, CA 92336

Phone: (909) 841-8860


Email: Scott3afs@gmail.com


Hours
Monday – Friday: 7:00 AM – 5:00 PM
Saturday: By Appointment


  • Services We Provide in Ontario, CA
  • Fire Extinguisher Sales & Installation
  • Annual Fire Extinguisher Inspection & Certification
  • Fire Extinguisher Recharge & Hydrostatic Testing
  • Fire Safety Training & Employee Education (OSHA/Cal/OSHA compliant)
  • Emergency Lighting & Exit Signs
  • Kitchen Hood Suppression Systems
  • High-Pile Storage & Warehouse Compliance
  • Fire Alarm & Egress Lighting Service
  • All services performed by our local Ontario/Inland Empire team and fully documented for your records.


Why Ontario Businesses Choose 3 Alarm Fire & Safety

  • Local Ontario showroom — walk in anytime
  • Fast response times throughout San Bernardino County
  • Competitive pricing with no hidden fees
  • Digital inspection reports
  • 90-day satisfaction guarantee
  • Fully licensed and insured (OSFM E#2318)