Get matched with top foundation repair specialists in Mastic Beach, NY

"There was a crack in the basement wall from top to bottom that was leaking water onto floor after a heavy rain. James suggested several options but suggested the inexpensive crack filler and sealer first. I had other companies give me estimates and he was by far the cheapest for the same exact work. They arrived on time, cleaned up and are very nice and helpful. Very knowledgeable about waterproofing."

"Im am so happy with the work that was done on my house. Tyler came and gave a very fair estimate on lifting my concrete side entrance stairs to my basement. He explained every step of the process and did exactly what we wanted with no issues. Everything was done to perfection. No damage was done and you cant even tell the stairs ever needed a repair in the first place. I would highly recommend this company and would hire again for any future jobs."

"Excellent communication- resurfaced my patio and added a new walkway - professional and cleaned up after"

"Alex was amazing!! We had a crack in our foundation that another company attempted to repair numerous times. We were fortunate enough to hear about ProSeal and I am happy to report not only did Alex repair the crack to near perfection but the work was done timely, neatly and his customer service skills are top notch. I would HIGHLY recommend ProSeal for all of your foundation needs."

"The job was completed professionally and quickly for a fair price. I would definitely recommend and use Eduin again"

"Excellent: Assessment of problem. Proposal to fix the problem. Cost. Applying the solution (work quality, materials, time). Value. Affability."

"knowledgeable, friendly, polite, conscientious, clean and a big problem was fixed in a day! I highly recommend them and thank them for their service..."

"Good. They knew what they were doing and did not the advantage of the situation"

"Great job and very reasonable price"

At LL Concrete, we bring years of experience and a commitment to exceptional craftsmanship on every project. Specializing in concrete driveways, floors, foundations, stamped concrete, brick, stone, and interlocking paver installations, we take pride in delivering durable, high-quality results that enhance the beauty and value of your property. Our reputation is built on reliability, attention to detail, and outstanding customer service, with customer satisfaction at the heart of everything we do. We don't just focus on completing a project. We focus on building long-term relationships with our clients, earning their trust through quality work, honest communication, and dependable service for years to come.