O'Fallon Pest ControlPest control company in O'Fallon, MO

O'Fallon Pest Control is ranked #42 of 111 pest control companies in O'Fallon by CR Score, with 56 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

O'Fallon Pest Control is open 7 days a week. Its listed hours are Monday to Sunday, 7 AM – 7 PM. On Saturdays it is open 7 AM to 7 PM, and on Sundays 7 AM to 7 PM. Hours come from the business listing; holiday hours may differ.

Serves O'Fallon and 11 towns within 25 miles: Dardenne Prairie, Weldon Spring, Saint Peters, Lake Saint Louis, Wentzville, Chesterfield, Saint Charles, Wildwood, Ellisville, Ballwin and Maryland Heights. The list is based on the business's location and the usual service radius for pest control. Confirm your address is covered when you call.

O'Fallon Pest Control has a rating of 4.2 from 10 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call O'Fallon Pest Control on (636) 213-3667. The business is at 2501 State Hwy K, O'Fallon, MO 63368. Ask for a written estimate before any work starts.