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Capital Deck & Stair Waterproofing

4.5 (165 reviews)
Closed • 9:00 am - 6:00 pm

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Services - Capital Deck & Stair Waterproofing

Moisture control installation

Moisture control repair

Deck construction

Capital Deck & Stair Waterproofing Photos

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After: we chose the slate gray to match an upcoming paint job.
Jes G.

I can't recommend Capital Deck & Stairs highly enough! After delaying a necessary leaking roof balcony repair, we suddenly found ourselves in a time crunch due to a pending insurance cancellation. We needed a company that could provide quality waterproofing quickly and efficiently, since we only had one chance to get it right. After interviewing numerous roofing and waterproofing companies and receiving many bids, I'm convinced that Capital Deck & Stairs are the best roofing contractors in Los Angeles. Capital was incredibly professional and responsive from the very first call, where they explained their services and guarantee. Abraham came out the next morning for an inspection, provided a detailed estimate that night, and had our project scheduled to start the next business day. Their pricing was competitive with other bids but the level of professionalism and customer service is what set them apart. Abraham understood our urgency and went above and beyond to ensure our job was completed on time without a hitch. Their team began work the day the wildfires began and worked through strong winds and bad air quality to keep us on schedule. When they uncovered our rotted subfloor, they addressed it immediately with only a single day added to the overall schedule. I am a stickler on detail and was extremely impressed with their work. They replaced all the old, worn-out flashing and even matched the weird texture of our stucco railing walls. The final result exceeded our highest expectations. Our roof deck is now very durable and beautifully waterproofed for years to come. After the job was complete, Abraham provided thorough documentation for the vampires at the insurance company, helping us avoid the nightmare of policy cancellation. From start to finish, Capital Deck & Stairs delivered high quality work and outstanding service. If you need waterproofing or roofing services in L.A., this is the team to call. I'm so glad I found them and would absolutely use them again in the future. Posting photos of the finished result followed by photos of the before state to show the amazing transformation.

Railing and deck that was repaired.
cat s.

Our deck was about to fall off and our building HOA hired this company to fix it. They did an AWESOME job! The crew was courteous, polite and competent and they got the job done quickly! We are SO HAPPY with our new deck!

Jin M.

Capital Deck lacks professionalism, quality and experience. Our HOA hired this company to make the required mandated balcony repairs and they caused thousands of dollars in damage to our new pool as well as multiple owners balconies. They were asked over 10 times to clean up after themselves and left the work areas a disaster for weeks at a time therefore caused staining to our recently renovated decking. They are a negligent, sloppy company. They failed to reattach a railing correctly on a balcony as well as other details that have now cost our associates thousands in clean up and repairs.

Lia V.

The worst company ever! The previous HOA in my apartment building hired this company to do several balcony repairs. They damaged the balconies and backyard, left all debris in our newly remodeled pool area causing thousands of dollars in damage. The whole pool area and backyard are covered in stains, debris and damage! The pool is covered with the debris they left behind, stained, and unsafe for anyone to use. My kids used to enjoy/use our pool daily! We were unable to use it since the end of the summer due to all the debris in our backyard! We tried to contact them to clean after themselves but never heard anything back. The quality is horrible. The balconies are done incorrectly, leaving our homeowners with another $$$$ damage. This company is unprofessional with horrible customer service!

Laurie C.

If you need any repairs other than waterproofing completed as part of your project they may not be the best company to use. We had extensive water damage to an exterior staircase which required a lot of the wood to be replaced. They did tell us at the beginning that we may want someone else to finish the smooth stucco but they left gaping holes in our walls and no one ever came out to inspect the project or to see if we were satisfied. We had several other contractors come out afterward and they all said the work was not done properly and would be difficult to correct. They were the most expensive estimate we received and it ended up costing us additional $4000 to complete the project.

From

From Ghetto to Fabulous... My honyack says she would like patio furniture this time instead of a clothesline! AND might actually go out there after 18 years. Took a while to get started but that has to be because they are swamped. Communication could have been better establishing a start date from point of commitment. Was not the lowest price, but the bid was fair and I feel a decent value for the money. The wait was for good reason as the results are 2nd to none. The repair crew and the finish crew were both very clean, professional and came on scheduled dates. They did not need supervision and knew what they were doing. In the end, we could not have asked for more and would not hesitate to recommend Abe & Capitol Deck to our friends. (see before & after pics) All in All a 5***** Company.

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Philip B.

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Ask the Community - Capital Deck & Stair Waterproofing

Review Highlights - Capital Deck & Stair Waterproofing

“If I had any questions, Philip was easy to contact and always called back when I left a message with his company.”

Mentioned in 35 reviews

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Capital Deck & Stair Waterproofing - waterproofing - Updated October 2026

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