Knox's ConstructionRoofer in Canonsburg, PA

Knox's Construction is ranked #3 of 499 roofers in Canonsburg by CR Score, with 65 out of 100 as of October 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.

Knox's Construction is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

Serves Canonsburg and 11 towns within 40 miles: Bryn Mawr, Upper Saint Clair, Bridgeville, Bethel Park, Washington, Mount Lebanon, South Park Township, Castle Shannon, Carnegie, Baldwin and Dormont. The list is based on the business's location and the usual service radius for roofing. Confirm your address is covered when you call.

Knox's Construction has a rating of 4.9 from 250 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 Knox's Construction on (724) 941-8219. The business is at 2400 Ansys Dr, Canonsburg, PA 15317. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.