Basement Waterproofing in 94019 (Half Moon Bay, CA)
Licensed basement waterproofing professionals serving zip code 94019 in Half Moon Bay, San Mateo County. Interior and exterior waterproofing systems. Prices from $2,000–$15,000. Call (916) 476-7689 for a free quote.
Basement Waterproofing Pricing in 94019
$2,000–$15,000
Interior systems from $2,000; exterior excavation $8,000–$15,000 • Updated July 2026
Why Choose NorCal Repairs for Basement Waterproofing in 94019?
Professional basement waterproofing with interior and exterior drainage systems, sump pump installation, foundation sealing, and moisture barrier installation to permanently stop water intrusion.
- Local to Half Moon Bay — Our technicians live and work in San Mateo County
- Same-day service — Fast scheduling with next-day availability
- Upfront pricing — No surprises, free estimates for 94019 residents
- Licensed & insured — CSLB-licensed contractors you can trust