8 waterproofing contractors in Phoenix, AZ. 3 of them carry a Google rating, from 4.6 to 5.0 stars across 83 reviews — 3 sit at 4.5 or better. 8 list a phone number and 4 a website. Best-rated first; contact them yourself, we don’t resell your details.
Waterproofing treats the water that causes foundation movement rather than the movement itself. Drainage, sump systems and exterior membranes are a different specification from piering and slab work, and plenty of homeowners need both quoted separately.