Licensed #1005325 7453 Woodley Ave, Van Nuys, CA 91406 Serving Los Angeles & Orange County Top Rated on Google
Licensed #1005325 · 40+ Years · 8-Year Warranty

Trusted Waterproofing Contractor in Lomita

Lomita now runs its own building department, and a lot of online advice still says otherwise.

Local Waterproofing Experts

Permits Moved In-House, and It Catches People Out

Lomita is now providing all of its own Building and Safety services, covering plan check, permitting and inspections, and the records from the Los Angeles County Building and Safety Division have been transferred to the city. If you had a project in progress under the County, the city takes it over. If you are working from advice written a couple of years ago, that is the change that matters.

The city has a semi arid climate, which sounds like good news for a deck until you think about what it actually does. Long dry stretches work a coating loose at its edges and around every post, then the rain arrives in concentrated bursts and finds all of it.

Of the 8,593 housing units here, 96.3 percent are occupied and 55.4 percent of those are rented. So the work runs both ways: a homeowner's rear deck one week, a shared stair and landing on a small apartment building the next.

Concentrated rain behaves differently from steady rain. A drain that would keep up with drizzle backs up, water rises above the flange, and the surface starts working as a shallow pond rather than a slope. Anything the dry season opened up gets pressurized instead of dampened, and that is when a slow leak becomes an obvious one.

So the repair is about capacity and terminations, not just the coating. Drain set at the true low point, overflow where the deck can trap water, metal with a drip at every edge, pan flashing under the door, and a properly built junction where the deck meets the wall.

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Our Services in Lomita

Waterproofing Services We Provide in Lomita

Deck Waterproofing in Lomita

Durable waterproof coatings that protect walking decks, roof decks, and balconies from water intrusion.

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Balcony Waterproofing in Lomita

Code-compliant balcony systems that stop leaks, dry rot, and structural damage before they start.

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Stair Waterproofing in Lomita

Slip-resistant, weatherproof coatings for exterior stairs and landings that last for years. We also design and fabricate custom iron based precast staircases for minimal maintenance.

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Magnesite Decking in Lomita

Expert magnesite repair and replacement to restore worn, cracked, and failing deck substrates.

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Commercial Waterproofing in Lomita

Waterproofing for apartments, HOAs, and commercial properties, built to pass inspection and last.

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Permit Experts in Lomita

We work with Building & Safety departments in every city we serve, handling permits and inspections from submittal to final sign-off.

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Permits & Inspections

Pulling a Permit in Lomita

Plan check, permits and inspections all run through the City of Lomita now rather than the County, and the County records for the city have already been transferred over. Projects that were in progress with LA County Building and Safety were taken over by the City. We file with the city and carry the job through inspection.

Common Issues We Fix

Waterproofing Problems We Solve in Lomita

Why Choose Us

Why Lomita Trusts Capital Deck & Stair

40+ Years

Decades protecting LA & OC properties.

8-Year Warranty

Guaranteed, long-lasting workmanship.

Local & Licensed

Licensed #1005325, serving Lomita.

Free Estimates

Fast, no-obligation local quotes.

Nearby Service Areas

We Also Serve These Areas

FAQ

Waterproofing in Lomita: Your Questions

Do I file with Lomita or with LA County?

With the City. Lomita now provides all Building and Safety services itself, including plan check, permitting and inspections, and the County records were transferred to the City. Anything that was in progress with the County was taken over by the City.

We barely get rain. Why did the deck fail?

Long dry spells are what break it. Sun and daily thermal movement work the coating loose at the edges, posts and wall line over months. Then a semi arid winter delivers the year's rain in a handful of storms and every one of those openings gets loaded at once.

Can you work on an occupied apartment building?

Yes. On a small building the stair is often the only route to a door, so we phase the work, keep an access route open at all times, and barricade only the section actually torn out.

How long does waterproofing last?

A professionally installed waterproofing system typically lasts many years. Capital Deck & Stair backs most projects with an 8-year warranty on workmanship, and proper maintenance can extend the life well beyond that.

How much does waterproofing cost in Lomita?

Cost depends on the surface size, condition, and the coating system required. We provide a clear, itemized quote after a free on-site inspection, with no obligation and no pressure.

How long does the job take?

Most residential decks, balconies, and stairs take about a week from start to finish, depending on prep, repairs, and weather. We give you a firm timeline before work begins.

Do you work with HOAs and commercial properties?

Yes. We handle residential, HOA, and commercial waterproofing across Los Angeles and Orange County, and we are licensed (#1005325) and insured for projects of every size.

Free Waterproofing Quote in Lomita

Protect your property before the next storm, talk to a local expert today.

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