Looking for a reliable pest control company in Ontario, CA? Whether you're dealing with ants in the kitchen, a termite infestation, bed bugs, rodents in the attic, or seasonal mosquitoes, choosing the right exterminator makes all the difference. We've researched and compiled the top 6 pest control companies serving Ontario to help you find the best fit.
From integrated pest management practices to response times, customer reviews, and service range, here are the 6 best pest control companies in Ontario, CA.
Ontario Pest Control ⭐ Editor's Pick
Ontario Pest Control is Ontario's premier pest control provider, delivering professional residential and commercial extermination backed by experienced Pest Control Operators and over a decade of hands-on experience. As a locally owned and operated company, they understand the specific pest pressures that Ontario property owners face year-round.
What sets Ontario Pest Control apart is their integrated pest management approach, transparent pricing, and commitment to complete customer satisfaction. Every technician is background-checked, professionally trained, and experienced with the latest EPA-registered products and exclusion techniques. They offer upfront pricing with no hidden fees and fast same-day or next-day appointments.
Why Ontario Pest Control Is Our #1 Pick:
- Fast Response & Same-Day Service — Available 6 days a week with same-day or next-day appointments across the Ontario area
- Experienced Operators — Every technician brings years of hands-on field experience and ongoing IPM training
- Upfront, Transparent Pricing — Free inspections and written quotes before any work begins, no surprise charges
- Full-Service Pest Control — Ants, roaches, spiders, termites, bed bugs, rodents, mosquitoes, wasps, and more — all in one company
- Pet- & Family-Safe Treatments — Targeted application of EPA-registered products with proper re-entry intervals
- Recurring Protection Plans — Flexible monthly and quarterly options to keep pests away year-round
Dewey Pest Control
Dewey Pest Control is a well-established company offering comprehensive pest management solutions for residential and commercial clients. They address a wide range of pests including ants, spiders, rodents, and termites, focusing on effective and long-term control.
Notable Strength: Extensive experience and a wide service area across Southern California.
Years in Business: 90+
Truly Nolen Pest Control
Truly Nolen provides full-service pest control, specializing in a proactive approach to pest management. They offer signature services like their 'Four Seasons' program, which adapts treatments to seasonal pest behaviors for year-round protection.
Notable Strength: Innovative and environmentally conscious pest control methods.
Years in Business: 80+
Orkin
Orkin is a nationally recognized pest control leader, offering customized treatment plans for homes and businesses. They handle common pests like cockroaches, ants, and mosquitoes, and also provide specialized services for termites and bed bugs.
Notable Strength: Strong national brand with a focus on scientific pest management.
Years in Business: 120+
Admiral Pest Control
Admiral Pest Control is a family-owned and operated business serving the Inland Empire. They offer general pest control services, specializing in residential and commercial treatments for a variety of insects and rodents, with a focus on customer satisfaction.
Notable Strength: Local, family-owned business with a strong community focus.
Years in Business: 75+
Western Exterminator Company
Western Exterminator Company provides professional pest control services for homes and businesses across California. They are known for their effective treatments against common pests, as well as specialized services for more challenging infestations like termites and bed bugs.
Notable Strength: Long-standing reputation and expertise in California-specific pest issues.
Years in Business: 90+
How We Chose the Best Pest Control Companies in Ontario
Our ranking considered several key factors:
- Local Experience & Reputation: An established local track record, years of hands-on pest control work, and strong word-of-mouth across the community.
- Customer Reviews: Online reviews across Google, Yelp, and the BBB for consistent quality and satisfaction.
- Response Time: Priority for companies offering fast scheduling, especially for urgent infestations.
- Pricing Transparency: Companies providing free inspections and written estimates ranked higher.
- Range of Services: Full-service companies that handle general pests, termites, bed bugs, rodents, and wildlife scored best.
- Integrated Pest Management: Preference for companies using IPM principles — inspection, identification, monitoring, exclusion, and targeted treatment rather than blanket spraying.
- Local Presence: Companies with deep roots in the Ontario community.
Need Pest Control in Ontario Right Now?
Call Ontario's top-rated pest control team for fast, professional service.
Call Ontario Pest Control: (909) 273-6048