Licensed & Insured Waterproofing Contractor Serving Los Angeles & Orange County  ·  818-697-6334
BalconyWorks
Licensed 1045438 · 8-Year Warranty on Most Jobs

Trusted Waterproofing Contractor in Walnut

Master-planned homes on the southern slopes of the San Jose Hills, 83 percent of them owner occupied.

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Free on-site estimates · Licensed & insured · Most jobs backed by an 8-year warranty

Hillside Homes People Intend to Keep

Eighty three percent of occupied housing in Walnut is owner occupied, and most of it stands on the southern slopes of the San Jose Hills. The housing is master planned single family, with homes ranging from about 1,800 up to 11,200 square feet. Large houses on sloping ground usually means substantial decks and terraces, and stairs that carry real distance between levels.

On slope, the drainage decision outranks the coating decision. Water shed off an edge onto a hillside is a problem deferred rather than solved, so we look at where it goes after it leaves the deck. Owners who plan to stay in a house for decades tend to appreciate that distinction.

Several small creeks, Snow Creek and Lemon Creek among them, run mostly south toward the valley of San Jose Creek, which runs west to the San Gabriel River. Ground already carrying water off the hills is not the place to add more at a foundation.

There are 9,169 housing units in the city at roughly 1,020 per square mile, with 8,861 occupied. Low density, big lots, decks often far from the street. Material handling and debris removal get planned into the estimate rather than surprising anybody.

On a large deck the span itself becomes the issue. Long runs deflect, joints work, and a rigid coating carried across a moving junction splits. We detail those junctions to take movement, replace framing that has softened, and fabricate replacement iron and precast stair sections in our shop.

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Waterproofing project near Walnut, California

Waterproofing Services We Provide in Walnut

Deck Waterproofing in Walnut

Deck Waterproofing in Walnut

Long-lasting waterproof coating systems that keep walking decks, roof decks, and balconies protected from water intrusion.

Deck Waterproofing details
Balcony Waterproofing in Walnut

Balcony Waterproofing in Walnut

Code-compliant balcony waterproofing that prevents leaks, dry rot, and structural damage before they take hold.

Balcony Waterproofing details
Stair Waterproofing in Walnut

Stair Waterproofing in Walnut

Slip-resistant, weatherproof coatings for exterior stairs and landings built to last for years, plus custom iron based precast staircases we design and fabricate in-house for minimal upkeep.

Stair Waterproofing details
Magnesite Decking in Walnut

Magnesite Decking in Walnut

Skilled magnesite repair and replacement that brings worn, cracked, and failing deck substrates back to a solid, stable surface.

Magnesite Decking details
Commercial Waterproofing in Walnut

Commercial Waterproofing in Walnut

Waterproofing solutions for apartment buildings, HOAs, and commercial properties, designed to pass inspection and hold up over time.

Commercial Waterproofing details
Permit Experts in Walnut

Permit Experts in Walnut

Our team works directly with Building & Safety departments across every city we serve, managing permits and inspections from initial submittal through final sign-off.

Permit Experts details

Pulling a Permit in Walnut

The Walnut Building and Safety Division administers and enforces the California Building Code and related laws and ordinances, meeting state mandates that structures meet or exceed minimum life safety standards through plan review and approval, permit issuance and field inspections. We handle the submittal and carry the job through those inspections.

Waterproofing Problems We Solve in Walnut

  • Elevated decks and terraces on sloping master planned lots
  • Long stair runs connecting levels on hillside properties
  • Runoff discharged onto a slope instead of to a proper outlet
  • Deflection at long spans splitting coating at wall junctions
  • Rot at ledgers, post bases and beam ends on large decks
  • Access and material handling on decks set back from the street

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What You Get With Balcony Works

A Team With 40+ Years in Waterproofing

Balcony Works is built by the same team behind Capital Deck & Stair Waterproofing, decades of hands-on work across thousands of LA and OC properties.

8-Year Warranty

Most projects are backed by an 8-year warranty on workmanship.

Licensed & Insured

Fully licensed (1045438) and insured for residential and commercial work in Walnut.

Free On-Site Estimates

A local crew looks at the actual deck, and the quote comes back itemized.

Waterproofing in Walnut: Your Questions

My deck is large and cracks at the wall every few years. Why?

Because it moves and the wall does not. Long spans deflect under load, and a rigid coating carried straight across that junction splits. Detailing the joint to accept movement is what stops it coming back.

Where should runoff from a hillside deck go?

To a defined outlet, not over the edge. Walnut sits on the southern slopes of the San Jose Hills with creeks already carrying water south, and adding roof and deck runoff to a slope near a foundation is how the expensive problems start.

Do you work on large custom homes here?

Regularly. Walnut's housing is master planned single family, from about 1,800 to 11,200 square feet, and 83 percent of occupied units are owner occupied. Big decks, long stair runs and custom ironwork are the normal scope.

Free Waterproofing Estimate in Walnut

Protect the deck before the next storm. Tell us what you are seeing and we will come look, no obligation.

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