Helitech Waterproofing & Foundation RepairFoundation repair company in Affton, MO

Helitech Waterproofing & Foundation Repair is ranked #5 of 79 foundation repair companies in Affton by CR Score, with 58 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.

Helitech Waterproofing & Foundation Repair is open Monday to Saturday. Its listed hours are Monday to Friday, 7:30 AM – 5:30 PM; Saturday, 8 AM – 4 PM. On Saturdays it is open 8 AM to 4 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Affton and 12 towns within 40 miles: Dardenne Prairie, Weldon Spring, O'Fallon, Saint Peters, Lake Saint Louis, Chesterfield, Wentzville, Wildwood, Saint Charles, Ellisville, Ballwin and Maryland Heights. The list is based on the business's location and the usual service radius for foundation repair. Confirm your address is covered when you call.

Helitech Waterproofing & Foundation Repair has a rating of 4.6 from 168 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 Helitech Waterproofing & Foundation Repair on (314) 965-4565. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.