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BBB A+ Rated Structural and Waterproofing in Los Angeles, CA

Foundation Repair, Waterproofing, and Concrete Solutions Trusted Across Southern California

Permanent Solutions Backed by 30+ Years in California

Homes in LA and across Southern California face issues tied to soil movement, moisture, and shifting foundations. Explore solutions designed for your home’s structure—whether it’s built on a crawl space, or concrete slab.

Foundation

LA homes are often built on clay-rich soil and experience seismic activity, which can lead to foundation cracks and settlement. Our proven repair systems restore stability and protect your home.

Crawl Space

Humidity and ground moisture in Southern California often lead to mold, wood rot, and sagging floors. Our crawl space solutions seal and support your home from the ground up.

Concrete

Sun exposure and shifting soil cause cracking and sinking in sidewalks, patios, and driveways. We lift and level concrete for a safe, polished finish.

1850 S. Parco Ave.,

Ontario, CA 91761

Structural and Waterproofing Solutions You Can Trust

Los Angeles homeowners face real challenges: shifting clay soils, foundation cracks, crawl space moisture, and uneven concrete are all common across Southern California. Backed by our Riverside Branch, Groundworks delivers permanent solutions that protect your home for the long term.

Serving LA and Communities Across California

Our locally based team at the Riverside Branch brings more than 30 years of experience helping homeowners across the state protect their homes from California’s toughest conditions. From Los Angeles to surrounding communities, we understand the impact of expansive clay soil, dry weather, and seismic shifts on your foundation and concrete. With personalized inspections, transparent pricing, expert installation, and long-term warranties, Groundworks is your trusted partner for lasting home repairs across Southern California.

Explore Local Solutions in These Nearby Cities

Trusted Repairs for 30+ Years. A+ BBB Rated.

Groundworks has earned the trust of homeowners across California by delivering real results with expert workmanship and long-term support. These ratings reflect thousands of successful projects and decades of standing behind our work.

Groundworks, LLC BBB Business Review

All times are listed in PT

Mon
4:00am – 8:00pm
Tue
4:00am – 8:00pm
Wed
4:00am – 8:00pm
Thu
4:00am – 8:00pm
Fri
4:00am – 8:00pm
Sat
5:00am – 8:00pm
Sun
7:00am – 8:00pm
Schedule Free Inspection