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    Sinn Building Solutions

    5.0 (2 reviews)
    Open 8:00 am - 5:00 pm

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    River Valley Building & Remodeling - tried stacking 4x4 using a bracket meant to be used for holding post on a concrete slab. bottom 4x4 is balancing on paver.

    River Valley Building & Remodeling

    (2 reviews)

    Home owner beware! Don't hire them for anything! I signed a contract over a year ago and they are…read morestill not done and at this point it doesn't look like they are coming back. During that time they hardly ever show up to work. Very, very poor carpentry work! Slider door was wrong, plumbing leaks into the garage, electrical problems, turned the wrong valve for the well pump and burnt the motor up and I could go on and on!

    Darrin Oltman tried to build me a new deck with old dry cracked wood that did not come directly…read morefrom the home store for my job. He had no receipts to prove what he bought for my project to show in court. Nothing about what his team did was right. Their cuts were sloppy and loose. They had no clue how to reinforce an existing deck structure and level a floor frame. For roof post, they cut off the handrails below floor level and then loosely attached 4x4 post end to end on top of 16" pieces of the remaining deck rails. Those were also just sitting on the ground and were no way connected to anything else. To save money, they did not want to use any hardware on the mainframes of the deck or the roof. They did a poor job planning and ended up jamming things together and Jerry rigging the whole job. It was over estimated. One example: He charged me $950 for roof materials and the finished roof priced out at $350 when. The roof was attached to the facia board and was not going to pass a building code officer if there were one. I was not at all impressed with how they could not construct a safe and long-lasting structure. In court, the judge agreed, IT HAD TO BE TORN DOWN. The replacement that I have now is beautiful, made of fresh new hand selected lumber, tight fitting cuts and a design that will last for years. It will also withstand the new 2024 90 mph wind rating for new construction here in Illinois. His roof could have easily been lifted and flipped up on my house since there was nothing holding the wobbly support post down. Darrin is a cheater and a liar. He also broke rules in the Illinois Home Construction and remodeling act. He would not speak in court and his wife spoke for him though she was not part of the job and did not witness its construction. She questioned the presence of sawdust on a construction site. He may be okay at screwing up pre-made cabinets in a remodel project, but do not hire him to build anything from scratch or anything structural. Keep a close eye on these guys if they are working for you. Question everything that does not look right.

    Sinn Building Solutions - contractors - Updated May 2026

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