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Precision Pest Control

San Bernardino County, California

Ontario Pest Control Services

Precision Pest Control works across Ontario, California, in older streets near Euclid Avenue, newer homes in Ontario Ranch, and the commercial buildings that surround the airport and Ontario Mills. Plans suit a hot, dry corner of the Inland Empire and focus on subterranean termites, black widows, bed bugs, mosquitoes and gophers, and inspections before a property sale.

Free estimate

Get a Free Pest Control Estimate for Your Ontario Property

Tell us what you are seeing and where. We will recommend a plan for your home or business, with service plans from $57.

  1. 1Request your free estimateOnline or by phone, for a home, rental or business.
  2. 2We inspect and explainYou see where pests get in and what the plan covers.
  3. 3Service plans from $57Eco-friendly products, built around your property.

What we treat

Exterminator Services We Offer in Ontario

Termites, Black Widows and Bed Bugs in Ontario Homes and Warehouses

Western subterranean termites

Subterranean Termite Control in Ontario

UC Statewide IPM describes subterranean termites as soil-connected insects that need moisture and build earth-hardened mud tubes to reach the framing above. Working tubes climb foundations, while drop tubes hang from wood back toward the soil. The common Reticulitermes group swarms on clear afternoons after a soaking rain, which in Ontario means winter storms. Warm, damp spots under buildings suit foraging, so leaking sprinklers and irrigation near a slab are worth fixing.

Black widow spiders

Spider Control in Ontario

UC IPM names the black widow as California's main harmful spider. Females are shiny black with a red or orange hourglass, and they hang in tough, irregular webs in dark, dry, undisturbed places such as wood piles and garages. Bites usually happen when someone moves boxes or cleans a cluttered corner. UC advises storing boxes off the floor and taped shut, wearing gloves in storage areas, and sweeping webs and egg sacs away with a broom.

Bed bugs

Bed Bug Treatment in Ontario

UC IPM puts hotels, shelters, dorms and furnished rentals among the high-risk places for bed bugs, which spread through luggage, clothing and used furniture. That matters in a city built around an airport and a convention center. The bugs hide within about 6 feet of where people sleep, leaving rust-colored spots on bedding. UC says store-bought foggers do not work, while heat of 140 degrees held for 2 hours by a licensed provider kills most bugs and eggs.

Culex mosquitoes

Mosquito Control in Ontario

Culex mosquitoes are the main carriers of West Nile virus in California, UC IPM says, and they breed in ponds, birdbaths, tires and plant saucers and bite at dawn and dusk. The West Valley Mosquito and Vector Control District, with an office in Ontario, asks residents to dump standing water weekly, scrub saucers, check screens monthly and clear gutters after rain. It has reported West Nile positive mosquitoes in nearby Chino.

Local advice

Pocket gophers in Ontario

Gophers thrive on watered ground, since UC IPM notes irrigated sites can produce up to three litters a year against one without irrigation. The same source says fresh crescent-shaped mounds, with the plugged hole off to one side, mark an active gopher. They pull plants down from below, chew plastic drip lines and can divert water. Trapping is the most effective method, set in pairs in the main tunnel, while buried hardware cloth about 2 feet deep protects beds and trees.

Spotted something?

Need Subterranean Termite Control in Ontario?

  • Subterranean Termite Control
  • Spider Control
  • Bed Bug Treatment
  • Mosquito Control
Pest control treatment in Ontario, CA

Seasonal Pest Control in Ontario

  1. Winter rain, January to March

    Most of Ontario's rain arrives in these months. Wet ground draws subterranean termites to moisture near foundations, and UC IPM says their swarmers appear on clear afternoons after a soaking storm. Check mud tubes along the slab, and clear gutters so water does not pool and breed mosquitoes.

  2. Hot summer, July and August

    Average highs of about 94 degrees keep irrigated yards green and mosquitoes breeding in saucers and birdbaths. Bed bugs travel in luggage, so check mattress seams after trips. Dump standing water weekly, scrub the saucers, and look over window screens each month.

  3. Windy autumn and winter days

    Santa Ana winds blow often from autumn into winter, and the dry, gusty days are a fine moment for yard cleanup. Move wood piles and stacked boxes away from fences and walls, since black widows web in dark, undisturbed spots, and sweep out the garage.

Not sure what you are dealing with in Ontario?

Describe it on the phone and we will tell you what it likely is and how we would treat it. Estimates are free.

(512) 561-7451

8 questions answered

Ontario Pest Control FAQ

Looking for pest control near you in Ontario? Call (512) 561-7451 or request a free estimate.

How do I spot termites in an Ontario house?

Check the foundation for thin mud tubes that run from the soil up a wall. UC IPM describes them as hardened tubes of soil, saliva and wood bits. Winged swarmers on a clear afternoon after heavy rain are another sign. Either one is a good reason to request an inspection before damage spreads.

Are black widows common around Ontario garages?

They like exactly that kind of place. UC IPM says black widows web in dark, dry, undisturbed spots such as wood piles and garages, and bites happen mostly when people disturb one. Wear gloves when moving stored items, keep boxes off the floor, and call a doctor promptly after a bite.

Can bed bugs be treated in an Ontario hotel or rental?

Yes, bed bug treatment is part of what we offer. UC IPM says confirmed infestations are best handled by an experienced professional and that foggers do not work. We inspect sleeping areas first, since most bugs live within a few feet of the bed, and plan the treatment around the room or unit.

Which mosquito district covers Ontario?

The West Valley Mosquito and Vector Control District has its office in Ontario and publishes prevention tips for the area. Its advice is to dump standing water weekly, scrub plant saucers, check window screens monthly and clear gutters after rain. Service requests can be made through the district.

What will an Ontario pest plan cost me?

Ontario plans run from $57. Looking over the job is free. What you finally pay hinges on the structure, its grounds and what is living there, and a warehouse is nothing like a fresh Ontario Ranch house. Mention what you have noticed as you book, or dial (512) 561-7451.

Do you service warehouses and hotels near the Ontario airport?

Yes. Commercial work includes warehouses, hotels, offices and retail space, and each begins with a free estimate. We look at dock doors, stockrooms, drains, guest rooms and trash areas for rodents, roaches, spiders and bed bugs. Send the property details online to start.

How does a termite inspection help when I sell in Ontario?

It gives everyone the same facts. We examine the foundation, wood trim near soil, attic framing and areas affected by moisture, then provide the findings in writing for the buyer, seller and agent. We perform these for buyers and sellers regularly, and the estimate costs nothing.

Do gophers damage Ontario lawns and drip lines?

They do. UC IPM says gophers pull plants into their tunnels, chew plastic irrigation lines and leave mounds that ruin a lawn. Trapping is the most effective answer, and buried hardware cloth protects individual beds. Seal off beds and trees early, before the tunnels spread.

Ontario, California

Why Ontario Is a Hotspot for Pests

Ontario sits about 1,004 feet above sea level in the western Inland Empire, with summer highs near 94 degrees and only about 11 inches of rain. Freight yards, airport hotels and old farmland all bring pests that differ from those at the coast.

Ontario lies in San Bernardino County about 35 miles east of downtown Los Angeles, and the 2020 census counted 175,265 residents across roughly 50 square miles. George and William Chaffey founded the settlement in 1882 as the Model Colony, a planned mix of farming and town life, and Euclid Avenue with its grassy median still runs through it. Citrus, vineyards and olives came first, and dairies remain in the southern part of the city.

Today Ontario International Airport is the largest employer, and distribution centers move freight from the Los Angeles and Long Beach ports to the rest of the country. Summers are hot, with July and August highs near 94 degrees, and most of the 11.64 inches of annual rain arrives from January through March. Warm buildings, irrigated yards, travelers and cargo set the pest list here.

Homes in Ontario, CA

Local field notes

What our technicians check first on a Ontario property

Unique to Ontario

What Makes Ontario Different for Pest Control

Slabs, sprinklers and storage piles: where Ontario pests hide

Local conditions decide where pests live and how they get in. These are the Ontario details that shape every plan we write here.

  1. Moisture draws termites, so water is the first thing to sort out around an Ontario house. UC IPM links subterranean termites to warm, damp conditions under buildings, which makes broken sprinkler heads, leaning downspouts and planters against the stucco worth fixing before any treatment. Check the foundation for mud tubes climbing from the dirt.

  2. Next, tackle clutter. Black widows settle in woodpiles, garages and the backs of cabinets, so tape boxes shut, lift them off the floor and wear gloves when you reach in. Out on irrigated lawns, fresh mounds mean gophers. Our crews handle the termite and spider work and point out where gopher mounds and moisture trouble are showing.

Areas We Serve Around Ontario

  • Model Colony
  • Ontario Ranch
  • Chino
  • Upland
  • Montclair
  • Rancho Cucamonga

Ontario pests will not wait for the rain

Plans start at $57 in Ontario; use the online form for your free estimate, pick your date, or ring (512) 561-7451.