Drainage & Waterproofing Before the Rain

Forecasters expect a very strong El Niño this winter. Omega Structural engineers and builds drainage that keeps water away from your foundation, walls and hillside, across Los Angeles.

Call (323) 373-5964

In-house engineers. Design, permits and construction by one team. Ask if you qualify for a free inspection.

waterproofing trench

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30 years
in Los Angeles

4.3 ★ on Google
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CSLB #998075
Licensed Contractor

In-House Engineers
Design, permits, build

Is water already getting in?

Most drainage problems start small and get expensive after a few heavy storms. Call us if you notice any of these:

  • Water pooling next to your foundation after it rains

  • A damp, musty or wet crawl space

  • Stains, efflorescence (white residue) or seepage on basement or garage walls

  • Cracks or spalling in concrete slabs, walls or steps

Request an inspection

  • A retaining wall that weeps, leans or bulges

  • Mud or runoff coming down the slope toward your house

  • Downspouts that empty right next to the house

An early inspection costs far less than repairs after the rainy season.

Request an Inspection
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Inspection

We visit, find where the water is coming from, and look at the whole drainage picture around it.

Our Process

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Engineered Plan

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Our in-house engineers design the drainage and waterproofing to meet Los Angeles building codes.

Permits

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We prepare and submit the permit package and handle the city process for you.

Construction

Our crews build it, and we see it through final inspection.