Zero PestPest control company in O'Fallon, MO

Zero Pest is ranked #24 of 111 pest control companies in O'Fallon by CR Score, with 58 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.

Zero Pest is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 6 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves O'Fallon and 12 towns within 25 miles: Ballwin, Manchester, Valley Park, Ellisville, Town and Country, Murphy, Eureka, Des Peres, Wildwood, Chesterfield, Kirkwood and Sunset Hills. 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.

Zero Pest has a rating of 5.0 from 143 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 Zero Pest on (314) 912-2929. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.