21st Century Waterproofing

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Our Services

We provide professional waterproofing and protective coating solutions designed to prevent water intrusion, extend the life of your property, and protect your investment. With over 30 years of experience, we deliver reliable, long-lasting results for residential and commercial projects.

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What We Do

Full-Service Waterproofing for Any Property

If you have been searching for waterproofing near me, you found the right team. We handle every type of water intrusion problem across Riverside, San Bernardino, and the surrounding communities. No matter where the water is coming from or what type of property you own, we have the tools and the experience to solve it.

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Basement Waterproofing

Water in your basement is never just a basement problem. It is a sign that something is wrong with how water moves around your foundation, and if it is left alone, the damage spreads. We start by identifying exactly where the water is entering and what is driving it there. We then seal cracks, apply waterproofing membranes, and put drainage solutions in place to keep water from building up against your foundation. Our basement waterproofing services in Riverside and San Bernardino County are built to stop the problem at the source, not just mask the symptoms.
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Deck Waterproofing

A deck that is not properly waterproofed will not last. Water works its way into the surface, expands and contracts with temperature changes, and begins breaking down the material underneath. Over time, you end up with soft spots, rot, structural damage, and a deck that is no longer safe. We apply professional-grade waterproofing membranes that seal the surface completely and hold up against UV exposure, foot traffic, and moisture year-round. Your deck will look good and hold up for years without constant repair.
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Balcony Waterproofing

Balconies are exposed to the elements every single day and are one of the most common places water damage begins on residential and commercial buildings. A small crack or a failing seal can let water work its way into the structure beneath the balcony surface, causing damage that is far more expensive than the original waterproofing would have been. We inspect, prepare, and waterproof balconies on all types of buildings so that your structure stays protected no matter what the weather brings.
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Concrete Crack Injection & Repair

Concrete cracks are one of the most direct paths for water to enter a building. Even a hairline crack in a foundation wall or floor slab can let in enough water to cause serious damage over time. We use proven injection methods to fill cracks from the inside out, bonding to the concrete and creating a seal that stops water from getting through. This is one of the most effective and long-lasting solutions for foundation leaks, and it is far less disruptive than excavating or replacing sections of concrete.
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Silicone Roof Coatings

A silicone roof coating is one of the smartest investments a commercial property owner can make. It adds a seamless, fully waterproof layer directly over your existing roof surface without the cost and disruption of a full tear-off and replacement. It reflects heat, which lowers cooling costs, and it seals existing cracks and seams that would otherwise let water in. Silicone coatings are especially well-suited for flat and low-slope roofs, which are common on commercial buildings throughout Riverside and San Bernardino Counties.
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Elastomeric Stucco Coatings

Stucco is a common exterior finish in Southern California, and it looks great when it is in good shape. Over time, though, stucco develops cracks from heat, settling, and weather exposure. Those cracks let moisture in behind the surface, which can lead to mold, rot, and damage to the building's framing. An elastomeric stucco coating stretches with the surface to bridge existing cracks and prevent new ones from forming. It creates a tough, waterproof barrier that protects the building while also refreshing the exterior appearance.
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Expansion Joint Caulking & Sealing

Expansion joints are built into concrete structures to allow for natural movement, but they are also one of the most common places water finds its way in. Old or failed caulk shrinks, cracks, and pulls away from the joint, leaving a gap that water goes straight through. We remove the old material, clean and prepare the joint, and install high-performance sealants that flex with the structure and keep water out for the long term. This service is critical for parking structures, commercial buildings, and any property with large concrete surfaces.
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Where We Work

Waterproofing Services Near You Across the Inland Empire

We are the waterproofing company near you throughout Riverside and San Bernardino Counties. Our team travels across the entire region to deliver the same level of quality and care on every job, whether it is a single-family home in a quiet neighborhood or a large commercial property in a busy city center.

If you have been searching for waterproofing near me, there is a very good chance we serve your area. We have completed jobs in the Coachella Valley, the High Desert, and communities across the Inland Empire. Our team understands how the local climate, soil conditions, and building types vary across this large and diverse region. The moisture challenges in Palm Springs are different from those in Twentynine Palms. The soil conditions in Beaumont differ from those in Redlands. That local knowledge matters when it comes to diagnosing problems correctly and recommending the right solution.

We provide waterproofing in Riverside and serve the following communities:

Riverside County: Riverside, Indio, Coachella, La Quinta, Palm Desert, Palm Springs, Desert Hot Springs, Beaumont

San Bernardino County: San Bernardino, Redlands, Joshua Tree, Yucca Valley, Twentynine Palms

Not sure if we cover your area? Call us and we will give you a straight answer and get you on the schedule if we do.

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What Our Customers Say

Trusted by Homeowners and Businesses Across the Inland Empire

Water Is Getting In. Let's Stop It Today.

Every day that water sits where it should not be, the damage grows and the repair gets more expensive. You do not have to figure this out on your own. Our team is ready to come out to your property anywhere across Riverside or San Bernardino County, assess the situation honestly, and give you a clear plan to fix it for good. The inspection is free, the estimate is transparent, and the work is built to last.

Do not wait for the problem to get bigger. Call us today and let’s get started.

Schedule Your Free Inspection Today
or call us directly at:

(760) 558-9258