Castle Extermination CompanyPest control company in Haverhill, MA

Castle Extermination Company is ranked #18 of 114 pest control companies in Haverhill by CR Score, with 59 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.

Castle Extermination Company is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 5 PM; Saturday, 8 AM – 12 PM. On Saturdays it is open 8 AM to 12 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Haverhill and 11 towns within 25 miles: North Andover, Andover, Lawrence, Methuen, Groveland, Middleton, North Reading, Tewksbury, Dracut, Merrimac and Wilmington. 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.

Castle Extermination Company has a rating of 5.0 from 72 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 Castle Extermination Company on (800) 975-6503. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.