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Top-Rated Pest control specialists in Princeton - Updated Nov 2026

Avatar for Terminix® Pest Control
Terminix® Pest Control
3.9(
1,074
)
Pest Control - Bugs and InsectsPest Control - RodentsPest Control - Termite+6 more

Serving Princeton, IL and surrounding areas

Approved

In business since 1927

Free estimates

Warranties offered

"Very knowledgeable guy who seem to know what he’s doing. Don’t know results of spraying. Have had much rain since. Will have to see if it worked. Terminex will spray again the beginning of next month."
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+2

58 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for TruGreen
TruGreen
3.7(
10
)
Mosquito Control

Serving Princeton, IL and surrounding areas

Approved

In business since 1974

Free estimates

Credit card accepted

"TruGreen provided transparent pricing and quality workmanship when treating my property for bed bugs. Their technicians were professional and thorough, ensuring every area was treated to eliminate the infestation. I appreciated their attention to detail and how they followed up to ensure the problem was resolved. I'll definitely be using their services again if needed."
Recommended by100%of homeowners
Avatar for Anderson Pest Solutions
Anderson Pest Solutions
4.0(
49
)
Mosquito ControlPest Control - Bed BugsPest Control - Birds and Bats+4 more

Serving Princeton, IL and surrounding areas

In business since 1913

Free estimates

Credit card accepted

"I used them for mosquito control Weather has a major impact on scheduling, so it was hard to set firm dates for service. Always showed up once they were scheduled. Treatments provided significant, but not total relief from mosquito problem. Price was good compared to other services. Techs were always pleasant and professional."
Recommended by89%of homeowners
Pest Control FAQs, answered by experts

Although it's easy to eliminate one or two harmless spiders yourself, professional spider exterminators have the tools, licenses, and expertise to reduce or remove major infestations effectively. They can also safely get rid of venomous black widow or brown recluse spiders and offer advice about preventative treatments to help defend against more infestations.

If you’ve ruled out small cockroaches, some other bugs you might mistake for bed bugs are carpet beetles, bat bugs, and booklice. However, they’re usually found in different parts of the home. Carpet beetles are found in fabrics and carpets, bat bugs live in attics, and booklice dwell around books and damp areas.

DIY treatments exist, but professional extermination is recommended for thorough elimination and prevention.

Based on infestation severity, semi-annual or annual checks are recommended.

Squirrels tend to forage, traveling along roof and fence lines. To trap a squirrel, placing a baited trap on the roof near the point of entry is the best option. If you can see them going in and out or recognize the damage they might be causing to the exterior of your home, you can also try placing traps near those locations.

The Princeton, IL homeowners’ guide to pest control services

From average costs to expert advice, get all the answers you need to get your job done.