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Top-Rated Pest control specialists in Alton - 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 Alton, MO 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 Bat Pro's
Bat Pro's
4.8(
9
)
Pest Control - Birds and Bats

Serving Alton, MO and surrounding areas

Approved

In business since 2020

Free estimates

At Bat Pro's we pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

65 neighbors recently requested a quote
Pest Control FAQs, answered by experts

Across most of the United States, the fall season sees rats at their prime activity levels. As temperatures drop, rats become more active, spurred by the weather shift to seek shelter as winter approaches. During this time, their curiosity and energy peak, driving them to explore what your home and its surroundings might offer.

An owl's worst enemy in the wild is often other raptors and environmental factors. Among the avian threats, larger owls or other birds of prey can pose a danger, engaging in territorial disputes or competing for food resources. Terrestrial predators like foxes, raccoons, and larger mammals may target owl nests or young fledglings. Environmental factors like severe weather conditions, habitat loss, and food availability changes can also significantly impact owl populations.

Rats are attracted to homes that provide food, water, and shelter. Common attractants include uncovered garbage, pet food left out overnight, crumbs and food spills, and easily accessible pantries. They’re also lured in by leaky pipes, standing water, and cluttered areas like basements or garages. Outdoor factors such as overgrown vegetation or woodpiles near the foundation can create additional nesting opportunities.

Adult fleas can live from a few days to about two weeks without a host. If pets are not available, fleas may feed on rodents or people. While adult fleas need a blood source to survive, flea pupae can lie dormant for up to a year in optimal conditions. Therefore, cleaning and treating the infested area is essential to prevent pupae from surviving and hatching later.

Squirrels follow a diurnal routine like humans, remaining quiet at night because they sleep. Homeowners concerned about squirrels in their homes are more likely to hear these critters in the early morning when they awaken, eager to start their day and search for sustenance. As the sun sets, squirrels wrap up their daily endeavors and return to their cozy nests for the night's rest.

The Alton, MO homeowners’ guide to pest control services

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