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5 Best Deck and Stair Waterproofing Companies Websites Reviewed 2025


When you live in a climate that sees a lot of sunshine, you want to be able to enjoy it without worrying about the state of your deck or the safety of your stairs. Unfortunately, the beautiful sunshine, frequent wind, and rain can lead to damage and problems over time.

Fortunately, however, discerning consumers like you have a lot of options to choose from when you’re ready to do something about it. There are several companies in the area that advertise their services to help repair, replace, and waterproof your deck and stairs so you can enjoy them to their fullest potential.

Trying to find the best fit for your needs is tricky with all of these options available to you. Luckily, this guide will help make your decision easy by walking you through the top five deck and stair waterproofing companies at this moment in time.


1. Capital Deck & Stair Waterproofing - The Best for White-Glove Customer Service

Capital Deck & Stair Waterproofing provides services in the Los Angeles and Orange County areas, and is considered an expert company in the field of deck and stair waterproofing services as well as coating services. They provide excellence in every aspect of their work from start to finish.

When you choose to work with Capital Deck & Stair Waterproofing, you are choosing a one-stop shop that can take care of all of your waterproofing needs. From fiberglass to iron-based precast stairs, their customers can walk a little easier knowing that their stairs will be in good repair and protected from the elements. They are experts in waterproofing balconies, walking decks, patios, pool decks, and leisure decks. In addition, they are experienced in concrete resurfacing and commercial property needs.

Capital Deck & Stair not only waterproofs your outdoor areas, but they also ensure that they aren’t just putting the good over the bad. They’ll repair any old, rotted boards or misaligned sections and completely replace decking if the job calls for it. They stand by their services with an eight year guarantee (call for details).

Pros

  • Exceptional value for money
  • UV resistance
  • Quick and efficient service
  • Free estimates
  • Over 30 years of experience
  • 8-year guarantee

Cons

  • Contract may need to be renegotiated if damage is found after parts removal
  • Sought-after company, so they can be busy

2. California Decking & Waterproofing - Ideal for Below Grade Waterproofing

California Decking & Waterproofing provides a comprehensive list of services; however, they shine with their below grade waterproofing options. These services are ideal and appropriate for projects where an earthen dam or subterranean drainage is required, such as with parking garages, elevator shafts, and below-ground levels.

They were founded in 1985 and provide service to Southern California and the surrounding areas. They use two commercial fiberglass-based products for their services. Desert Crete is used for balconies, patios, roof decks, and exterior walkways. Desert Flex is the companion, add-on product that is used to restore and repair balconies, patios, roof decks, and exterior walkways.

They offer free estimates and generally complete projects within three to five working days, depending on the size and scope of the project. They also offer an eight-year conditional guarantee.

Pros

  • Long-lasting durability
  • Comprehensive services
  • Offers customizable finishes
  • Slip-resistant finishes

Cons

  • Higher prices
  • Minimal online customer complaints

3. Deckote Waterproofing - A Great Local Option for Railing Services

Many projects rely on multiple contractors to complete the job in its entirety. With Deckote Waterproofing, customers can take advantage of services beyond waterproofing, such as railing installation. They provide railings and installation for balconies, pools, and stairs.

Beyond that, however, they are a reputable company in the Hollywood area for waterproofing services. Deckote Waterproofing provides services for entry decks, pool decks, and stairs. They also offer complete deck remodels, as well as repairs for decking, patios, balconies, and stairs.

Pros

  • Conveniently located
  • Offers weekend hours
  • Over 25 years of experience
  • Licensed, bonded, and insured

Cons

  • Small company
  • Limited website information

4. LA Deck and Balcony - Best for Loyalty Discounts

LA Deck and Balcony provides services in Los Angeles County, Orange County, and San Diego County. They have been in business for more than 20 years. They offer something the other companies on this list do not - a loyalty discount specifically for returning customers. Their team offers free site visits by their experts along with a free estimate. The company is fully bonded and insured while guaranteeing complete price transparency.

LA Deck and Balcony is a unique company in regard to its services. They also offer licensed inspection for balconies or other Exterior Elevated Elements, in addition to balcony and deck repair, and, of course, deck and balcony waterproofing services. In addition, all required plans and permits are prepared and pulled as part of the process.

Pros

  • Known for punctuality
  • Offers deck construction
  • Provides a project manager
  • Provides free estimates

Cons

  • Reported higher costs than other companies
  • Some customer reviews expressed frustration with quality of service

5. All Weather Waterproofing & Coating - Good For Consistent Service

All Weather Waterproofing & Coating has been in the business since 1996 and often operates by word of mouth referrals. Customers consistently express satisfaction with the work, professionalism, and lasting results of the company. They work throughout Beverly Hills, Los Angeles, Malibu, and Santa Monica, California.

All Weather Waterproof & Coating offers a wide range of waterproofing services. They include waterproofing for concrete decks, plywood decks, retaining walls, tile decks, under pavers, and under stones. They also offer an interesting blog to help customers learn about the industry and stay informed.

Pros

  • Detailed and inclusive quotes
  • Consistent 4-star rating on Yelp
  • Clean work environment
  • Customers report timeliness

Cons

  • No weekend office hours
  • Minimal reviews online


Final Thoughts

Finding the right deck and stair waterproofing company to meet your unique needs and expectations is important. You don’t want to invest your hard-earned money in something that doesn’t work; that’s why you should compare the companies on this list and choose the one that suits your specific project and goals so you can enjoy the outdoors once again.