Diamond Masonry & Basement Waterproofing is a reputable company with over 17 years of experience in waterproofing basements from leaks and floods. Their team of knowledgeable professionals is punctual, friendly, and clean, providing free estimates and thorough diagnoses to ensure customer satisfaction. They are licensed and insured in Nassau and Suffolk County, including the town of Freeport. With excellent communication and fair pricing, Diamond Masonry & Basement Waterproofing has built a reputation for delivering top-notch service. Their skilled craftsmen can fix a range of issues, from foundation wall leaks to backyard patio repairs, and their work is backed by customer satisfaction guarantees.
These are the type of people you hope to find when you need any type of work done to anything you own/need.
Hardworking, genuine and not trying to run you over. Not the sleezy sales pitch you see when youre going through a stressful time.
What alot of the other shops that do this work dont get is thats why they lose out on the work youre originally calling about and the REPEAT work that comes after.
Give Vinny and Chis a call. A chat doesnt cost anything.
Jul 2026
5.0★★★★★
We had Diamond Masonry & Waterproofing come to our newly purchased home to repair a rotted sill plate and rim joist we unexpectedly found while doing some other repairs to the house. Vinny came out to do an estimate very quickly and gave us a great price! His team was available to squeeze us in next day to do the repair and we couldn't be happier!
Jul 2026
5.0★★★★★
We have been getting water from heavy rains in our enclosed porch. We finally knew that something had to be done. We started making some phone calls to waterproofing companies. One company said they couldn't do the job for 2 weeks and their prices were high. On Monday we called Diamond Masonry & Waterproofing. Vinny the owner came over that afternoon to give us an estimate. It was very reasonable. Now two days later the job was done by Vinny's son Chris and his helper Miguel. We did not think that we would get the job done so quickly. They installed underground PVC piping to divert the rain water away from our house. They had to rip up some of the zoysia grass… read full review
