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    TNIS Construction Service

    5.0 (1 review)

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    Services - TNIS Construction Service

    Moisture control installation

    Moisture control repair

    Waterproofing installation

    1 More Service

    Waterproofing repair

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    Recommended Reviews - TNIS Construction Service

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    1 year ago

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    Professional Drainage Experts - Garden Grove, CA- The team at Professional Drainage Experts

    Professional Drainage Experts

    (128 reviews)

    Professional Drainage Experts were awesome to work with! Foster was on time for our initial…read moreproperty assessment and showed us two options that worked within our budget. He walked around the property and broke down the different drainage solutions while answering our questions. He made it easy for us to understand each option. We did get quotes from other vendors but ultimately chose Professional Drainage Experts based on the customer service and willingness to work to find a solution for our property that was in budget. We were able to get a full system added to the property in 3.5 days. Julio and his team were great! They were promptly on time each morning. Cleaned up after themselves. Even hosed down the driveway, stucco, and walkways afterwards. After everything was installed, Julio walked us around the property and explained all of the elements of our new system. For what feels like a draining home project as a first time home buyer, Foster and Julio made the process feel less daunting and stressful. Highly recommend. 10/10

    From the estimate process all the way through to the last touches, I am happy to say I now have a…read moredrainage company that I know and can trust! Their estimator, Foster, was alongside me throughout the job process with any questions or concerns that I had. Before the job even began, he ran through several scenarios with me and was very patient. He understood my objectives both as they related to aesthetics and my pocketbook. In the end, we came up with a plan that was viable and as aesthetically pleasing as could be managed given the situation. Once the job began, the primary person of contact shifted to Julio, one of their project managers. He was on property every day supervising and working alongside his crew. The crew was very polite, hard-working and friendly. They were very well supported by Julio. This may seem like a given, but often it is not so it did stand out to me. Once all of the work was done, Julio gave me a final walk-through, showing me how the various components function and made certain that I did not have any lingering questions. I think there were two follow up visits after the work was completed in order to accomplish this. There was no point along the way where I felt like they were taking shortcuts, using materials that were inferior quality, or anything of that nature. Their concrete cuts were incredible, and I have seen some really bad cuts in my past. And they did a beautiful job with brick work, including redesigning some curved areas of brick that needed to be removed during the job. Veronica in the office was very helpful as well. All in all, having my work done by Professional Drainage Experts was a very positive experience and I give a hearty recommendation to them!

    Drainage and Concrete Solutions - End product front of house with 5' wide walkway along side house with drains along the center. New gutters and downspots matching the house.

    Drainage and Concrete Solutions

    (14 reviews)

    Edgar and his crew members just left our property. The project was to do concrete repair and…read morepreventative measures to avoid our neighbors' tree roots from further encroaching into our property (we live on a zero lot line and the source of concrete and foundation damage was due to their tree roots). They finished the project within a day. We plan to use them again for a future project. As one ages, it becomes more important to find the right person for the job and to establish a relationship with that person in case you need him/her for a future project. This holds true for any type of service technician...be it a plumber, electrician, hvac tech, appliance repair tech, etc. You want to have a go-to person. Edgar is our go-to for drainage and concrete issues/projects. We had another quote from a different company that was relatively cheaper. We opted for Edgar because we felt comfortable with his knowledge and skills from our consultation with him, that he will provide the proper solution(s) to our needs. The prior company proposal seemed less comprehensive in meeting our needs. With the other company, it seemed we were given salesmen tactics and it felt that customer service was lacking. Not with Edgar. He responds back via our texts or phone calls..maybe not right away but that is understandable. ..he's busy and likely on job sites..but when he responds back, it's always communicative. If you see people who service you as extended family members who are here to help your needs and appreciate the fact that you can confidently pass a project over to someone else instead of handling it on your own..and this review resonates with you..then just go with Edgar and crew..you're welcome...lol

    I needed to install a walkway from the sidewalk to my porch, I searched on Yelp and this begins my…read morejourney with this company. Edgar came out, took measurements, spoke with me about my expectations and quoted me a price. I liked the fact that this company is new to yelp and maybe to the industry, but the dedication to work and perfection to detail was not new. Work was completed in half a day, I was totally satisfied with the work. Give these guys your business, they do quality work!

    G&O Waterproofing - This is the old flashing that they had to rip out.

    G&O Waterproofing

    (4 reviews)

    Jefferson Park

    Spoke to Alex on the phone and explained the circumstances our HOA is facing with the State…read moremandated balcony inspections, and he was so informative, kind, patient, and knowledgable about the waterproofing of balconies, options for replacing balcony enclosures (his company can also do the railings for balconies), as we would like to replace the wood we have to metal. Although he hasn't actually done any work yet, he spent a significant amount of time on the phone with me, explaining things, and that counts for so much....thank you! I would highly recommend atleast talking to G & O Waterproofing before you make a final decision as to who you are going to use. My first impression is they are a A+ / 5 star company and honest. Thank you Alex for your time today.

    Look no further! As a homeowner I was overwhelmed with the process of finding a professional and…read moretrustworthy waterproofer as I was struggling with a leaky 600 sq ft deck that was literally a sieve into the bedrooms below. Living by the beach made us susceptible to overbidding subcontractors trying to take advantage of the unassuming and desperate homeowner. Omar came over and gave me a FAIR bid not knowing what he would find underneath my 40 year old deck. He found layer upon layer of cement and materials that needed to be demolished. The deck was on my 3rd floor and the crew had to enter my home to get to the location. They were respectful, professional, timely and communicative. They advised me on what to do both before and after their job and is still available via text or phone. If you have ANY leaks and are in need of a waterproofer - CALL OMAR at G & O. You will no longer stay up in the middle of night worrying about where your leaks are coming from because your house will be sealed! This was my first interaction with a waterproofing expert that could own that title. Leaking deck? CALL OMAR.

    Capital Deck & Stair Waterproofing

    Capital Deck & Stair Waterproofing

    (164 reviews)

    Van Nuys

    Quick response. Needed complete balcony decking, waterproofing and floor finishing. Very good…read morepresentation on the work process. I reached out to several companies, none were as professional as Capital. Reasonable price fantastic work, good communication. Robb showed a sample of the layers, measured and took the photos of the project and came up with an estimate quickly.

    I can't recommend Capital Deck & Stairs highly enough! After delaying a necessary leaking roof…read morebalcony 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.

    TNIS Construction Service - roofing - Updated May 2026

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