Top Rated Waterproofing Contractors Serving Los Angeles County, CA
Last Updated May 15, 2026
801 Review Ratings and 2 Waterproofing Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Capital Deck & Stair Waterproofing
Capital Deck & Stair Waterproofing offers a variety of waterproofing services to residential and commercial clients throughout Los Angeles County. The company has the training and equipment to handle everything from basement waterproofing and basement sealing to balcony waterproofing and foundation crack sealing, and its employees focus on delivering first-rate workmanship on every project.
Services
Waterproofing including basement waterproofing, foundation waterproofing, deck waterproofing, waterproof caulking, basement drainage, roof decks, pool decks, walking decks, leisure decks, iron-based precast stairs, crack repair, leak detection and repair, membrane waterproofing installation, waterproof coatings, caulking services, curtain wall glazing, decks, patios, balconies, stairs, walkways and verandas.
Coverage Areas
The Los Angeles Area, including Los Angeles County—key cities including Lakewood, Los Angeles, Hawaiian Gardens, Lomita, Acton, Lake Hughes, Lancaster, Altadena, Arcadia, Duarte, La Canada Flintridge, South Pasadena, Paramount, San Pedro, Wilmington, Carson, Signal Hill, Malibu, Redondo Beach, Rancho Palos Verdes, Palos Verdes Peninsula, Pacific Palisades and Maywood.
- 16000 Ventura Blvd Ste 1103
- Encino, CA 91436
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Ocean Seven Builders
Services
Roofing, Waterproofing, Insulation Installation
Coverage Areas
Van Nuys Area, Agua Dulce Area
- 15155 Stagg St Unit 2 Van Nuys, CA 91405
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