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4th generation general contractor

"Nothing but good things to say about their work and their workers. Job was done on time and on schedule despite some unexpected “issues” with our neighbors, which they handled with the utmost professionalism. They were very responsive to concerns raised during the job and managed to address some small additional tasks that were uncovered and not part of the initial proposal at no additional cost. Needless to say, I am very pleased."

"LI Waterproofing had done extensive work in my basement for the previous owner, so I opted to give them a try myself to resolve new problems that had not been previously addressed. John and his men were responsive and professional.  The work was done as expected and in a reasonable amount of time.  The price was right for the scope of the work requested.  Hand digging was required to expose the foundation outside.  I opted to remove the plants in my garden bed myself before the work was done.  I'm glad I did so. The men worked around the one larger hydrangea I did not move, and it was pretty roughed up during the process.  (I cut back the broken branches that were covered with tar, and I think it will be OK.)  We have had one good rain since the work was done, and the repaired areas in the basement show no signs of dampness.  So I am hopeful.  My sole criticism of the work is that clean-up could have been done better.  Gravel used to fill the window well was spilled into the adjacent garden bed on top of plants.  I spent about 2 hours sorting that out and sweeping the porch and basement where dirt and cement were left.
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"Nick and team were extremely helpful, informative, responsive and did exactly what they said they were going to do (and even better when they said they were going to do it). Nick was very reachable via email and was more than willing to help. I hope to never need a foundation expert again, but if I do I know that I would definitely have them do the work."

Alliance A1 Enterprises, a family owned and operated basement waterproofing business for over 3 decades!! Alliance A1 Enterprises provides waterproofing services in Middlesex County, Union county, and surrounding communities in the tri-state area.\n\nWaterproofing is achieved with the interior and exterior application of sealing products, combined with the installation of French drains, sump pumps with battery backups and exterior drainage. These solutions will give you peace of mind whether you're home or traveling!\n\nAlliance A1 Enterprises also provides basement and foundation repair, crawl space solutions, exterior drainage and masonry services. \n\nWith free estimates and a lifetime warranty on our basement waterproofing services, you can rest easy knowing that your project will be handled with the utmost care. Please call us today for more information.\n\nIn the case of an emergency, there’s no need to panic! We offer same-day service to ensure that your home is safe and secure.

"My brother suggested this highly competent and experienced organization to me. So they erected a brand-new roof for me and replaced my driveway with fresh concrete. Everything worked out beautifully. Totally satisfied"

"Excellent. Marcos is extremely detailed and thorough. He discovered water leakage through existing foundation and urged me to have him fix the problem. After digging he showed me all the broken mortar that caused the water leaks. He corrected the problem, added drainage and water proofed the walls.

He then installed the brand new patio with Cambridge pavers. He installed the patio and added an ornate border which looked amazing. We never asked him to do this!

Marcos and his crew are hard working and professional. after the job was complete, they cleaned up, reseeded the lawn and removed the demolition material.

I highly recommend them. I will ask them to return someday to fix my walkway!
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Family owned and operated general contractors\nspecializing in all home renovations inside and out as well as interior & exterior painting. Bonded & insured. Free quotes

"We bought a house in an area with a high water table and discovered flooding and moldy basement walls only days after moving in. Having to rip out a finished basement to waterproof and then refinish was a pain, but worked exactly as advertised. After mold remediation, installing a french drain, battery backed sump pumps, discharge pipes, and structural reinforcements, we finally had a comfortable, dry, and fully usable basement. No musty smell, dry concrete slab and foundation walls. I would hire A-1 again for waterproofing any time."