Balcony and Deck Waterproofing and Repair
• 30+ Years Of Experience
• Licensed-Bonded-Fully Insured
• Get Up To An 8-Year Warranty
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Locally Owned & Operated
Serving Los Angeles Since 2015
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Fast, Reliable Responses
Balcony & Deck Waterproofing and Repair in Los Angeles
Protect your residential or commercial property with Capital Deck & Stair Waterproofing—Los Angeles’ trusted experts in balcony and deck waterproofing and repair. With over 30 years of experience, our family-owned team delivers reliable, long-lasting results backed by expert craftsmanship and top-rated customer service.
We specialize in deck waterproofing, deck repair, balcony waterproofing, and balcony repair, along with concrete sealing, drywall repairs, and magnesite stair installation. Every project—large or small—is backed by a warranty of up to 8 years* and tailored to your unique property and budget.
Proudly serving Los Angeles and Orange County—including Glendale, Pasadena, and Burbank—we’re trusted by thousands of homeowners, businesses, HOAs, and property managers. Don’t wait for water damage to strike—prevent it now and save on costly repairs later.
Call 818-697-6334 today for a free estimate or to schedule your balcony or deck repair service.
Why Choose Capital Deck & Stair Waterproofing?
Top-Quality Waterproofing Solutions
Our advanced waterproofing methods offers excellent protection against water damage, ensuring your outdoor surfaces last longer and stay in great condition.
Versatile Applications
Whether it’s for balconies, decks, patios, or pool decks, our waterproofing solutions are perfect for all types of outdoor areas, providing reliable protection everywhere.
Enhanced Safety and UV Protection
Our slip-resistant coatings and UV-resistant Fiberglass Desert Crete provide a safer outdoor environment while protecting surfaces from the sun’s harsh effects, ensuring your spaces stay vibrant, strong, and secure for years to come.
Your Local Waterproofing Pros Are Just a Click Away!
Why Property Owners Trust Capital Deck & Stair
Capital Deck & Stair provides expert balcony and deck waterproofing and repair for both homes and commercial properties. Whether you're maintaining a multi-unit building, upgrading a storefront, or protecting your home, our team delivers long-lasting, high-quality solutions tailored to your needs. Clients across Los Angeles and Orange County rely on us for:
- Comprehensive waterproofing services – decks, balconies, walkways, garage floors, and more
- Professional-grade sealants – including Loctite for durable, multi-surface waterproofing
- UV and leak-prevention coatings – designed to protect against sun exposure and water damage
- Licensed, insured, and experienced – trusted in both residential and commercial settings
- Fast turnaround and dependable scheduling – ideal for homeowners and property managers alike
- Top-rated service – thousands of 5-star reviews from satisfied clients
- Free, local estimates – customized for your property, project size, and budget
From small homes to large commercial spaces, we’re the go-to experts in deck repair, balcony repair, and professional waterproofing across Southern California.
Delivering Reliable Waterproofing Solutions That Last – Since 2015
We Cover 50 Miles Around L.A.
Google Reviews! What Our Customers Have to Say
Originally was going to choose a different company, but my friend recommended Capital Deck & Stair Waterproofing. I trusted my friends opinion more just because he went ahead and used the company before hand. I was able to see their work before I even approached them. I called in to book and appointment and have someone come into give me a quote and right away I was pleased with the services I was receiving. That was a big part of me choosing Capital Deck over the other ones. They were within my budget and less than the other company I wanted to originally go with. They came in on time, fixed my balcony leak and now…they have a happy customer!
Arielle Tepel
Capital deck was great. Overall I would give them 5 stars. Philip was great in assisting me. They have such fast responses and are great at answering all questions you have throughout the day. They helped fix my balcony leak. Finished it in about a week…I was amazed by how professional and quick they were. No wonder they have such amazing reviews on yelp. Would recommend this company and will refer to anyone who needs their services!
Melissa Navarrete
I was thankful enough to be referred to Capital Deck and Stair Waterproofing by a great and loving family friend. I recently was looking into a company who could come in during a certain time (when I was off of work) and Capital Deck did just that. They accommodated my needs, while remaining great and professional. I had the pleasure of speaking with Philip over the phone (owner of Capital Deck). He is a great representation of the company. Thank you Philip!
Mordy Sas
Trusted by Thousands of Homeowners and Businesses
Frequently Asked Questions
Waterproofing is the process of making surfaces or structures resistant to water, preventing damage or water ingress. It’s essential for protecting areas exposed to moisture, such as decks, basements, or rooftops.
Waterproofing involves applying materials to protect surfaces from water damage. It prevents seepage, dampness, mold, and structural deterioration, ensuring a safe, healthy living environment and extending the lifespan of your home's key areas.
Common waterproofing materials include cementitious coatings for basements, liquid membranes for roofs, bituminous coatings for foundations, polyurethane membranes for balconies, and acrylic coatings for bathrooms, offering effective protection tailored to specific house areas.
The process includes surface preparation, applying waterproof materials like membranes or admixtures, using additives such as crystallized concrete, installing drainage systems, and backfilling, ensuring comprehensive protection against water damage in key areas.
The ideal time for waterproofing is during construction for full protection, or before the rainy season in existing homes. Regular inspections can help determine the need for reapplication to maintain durability and water resistance.
Signs your home needs waterproofing include damp patches, peeling paint, musty odors, cracks, efflorescence, and discoloration on walls or floors, indicating moisture infiltration that can lead to long-term damage if not addressed promptly..
Waterproofing methods include cementitious coatings for tanks, liquid membranes for roofs, bituminous membranes for foundations, polyurethane membranes for exposed surfaces, and torch-on membranes for terraces, providing tailored solutions for various areas of the house.
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