About Us

Capital Deck & Stair Waterproofing provides prompt and professional waterproofing applications for decks, stairs, patios, balconies, and more. We have over 30 years of industry experience serving homes & businesses all across Los Angeles and Orange County. If you own a home, office, restaurant, or hotel, we can waterproof your outdoor deck so its safe for daily use. One of the leading waterproofing companies in Los Angeles, CA, we can protect the deck around your pool or where caf patrons sit outside. All the products we use are of the highest quality. Licensed, bonded, and insured, we back all of our work with a full warranty* and guarantee*, and we exercise cleanliness at all our job sites.