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Grenga Construction Inc goes by Grenga & Sons Site and Concrete on its HomeAdvisor profile. A recent Google customer praised the work on their concrete sidewalk and called it a smooth process. A 2019 HomeAdvisor reviewer said Rob repaired their steps and walkway due to foundation issues, and repaired a larger area than originally discussed. A 2019 HomeAdvisor reviewer said the job was completed before the expected completion date and the cost was within budget. A 2018 HomeAdvisor reviewer said they were able to handle and adjust concrete during extreme low temperatures. A 2017 HomeAdvisor reviewer said they explained the process and cleaned up after they finished, and that the new patio would get a lot more use. A 2018 HomeAdvisor reviewer wrote: "Avoid this contractor at all cost. Don't believe anything he tells you."
The guys at Grenga construction did a great job on our concrete sidewalk. Smooth process all together. Would recommend them!
Robert is very professional! His customer service is absolutely top notch and my backyard now looks beautiful!
Rob was very good to work with and he went above and beyond when it came to the work. He repaired my steps and walkway due to foundation issues. He even repaired a larger area than we originally discussed. I would highly recommend him.
Rob and his employees were extremely pleasant to work with. The job was completed prior to the expected completion date, cost was within my budget and the final results have been complimented on constantly. Great company and premium results. I highly recommend.
Avoid this contractor at all cost. Don't believe anything he tells you.
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1 change recorded — last scanned Oct 4, 2026.
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