4.5 
45 *The Angi rating for Basement Waterproofing companies in Patchogue, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
*The HomeAdvisor rating for Basement Waterproofing companies in Patchogue, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
Last update on May 14, 2026
Serving Patchogue, NY and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"George did the waterproofing in my basement, it was a good job"
+12
Serving Patchogue, NY and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
"This was the second time I hired zavza seal. This time I needed help with attic insulation for my parents house. Starting with setting up the free appointment, ending with the crew and quality of the work - they deliver a great experience and I highly recommend them for anything waterproofing, insulation, concrete and foundation fixes. If you are looking for a contractor and donâ t know who is trustworthy and professional, go with Zavzaseal, you ll be in a very good hands."
Serving Patchogue, NY and surrounding areas
Approved
In business since 2006
Free estimates
Warranties offered
"We wanted to finish our basement but was hesitant bc of our flooding problems. Home healthy homes solved that for us. They came in waterproofed and removed all mold. We have had heavy rainstorms since and no more floods! Glen and the team are so professional and could not be more helpful. They are reasonable and worth every dime! Highly highly recommend!! They go above and beyond."
Serving Patchogue, NY and surrounding areas
Approved
In business since 1990
Free estimates
Emergency services offered
"James, his brother Mike and their crew were all you would be looking for in a company. Very polite and respectful. They did all the work as per contract in the time specified. Their workmanship and attention to detail was exceptional. We had other estimates for the same scope of work which came in much higher. We would definitely recommend them for anyone considering basement waterproofing."
+22
Serving Patchogue, NY and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
"I called the owner and he responded quickly and was able to provide a fair quote. The crew showed up on time and did great work."
Serving Patchogue, NY and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Moises and his crew repaired water rotted wood in difficult locations and completely finished the garage to every detail from insulation to molding, as shown in pictures here. They thought of every detail that shows their pride over their work. Not only is their work top notch, but they are also easy to work with and very communicative through the whole process. I have already hired them for a second job."
+172
Serving Patchogue, NY and surrounding areas
Approved
In business since 1991
Free estimates
Emergency services offered
"Had a backup a few days before and wanted to determine if it was a simple clog or cesspool related. They sent out a tech (Jimmy) the same day. He located both cesspools and walked me through my options. He was honest and patient, answering all my questions along the way."
Serving Patchogue, NY and surrounding areas
Approved
In business since 1981
Free estimates
Warranties offered
"Very well. Workers very punctual. Did a great job repairing the brickwork around my pool."
+180
Serving Patchogue, NY and surrounding areas
Approved
In business since 1994
Free estimates
Customers say: True professional
"Lorenzo was responsive, prompt and fair. He and his team installed a drywall for us to help with water in our basement 6 months ago. So far, everything is working well."
+72
Serving Patchogue, NY and surrounding areas
Approved
In business since 2017
Free estimates
Offers commercial services
"Highly recommend, professional quality work. Made the project enjoyable and easy!"
From average costs to expert advice, get all the answers you need to get your job done.
Need to fix basement water problems or safeguard your home from damage in the future? Use this basement waterproofing cost guide to budget appropriately.
An unfinished basement has a lot of potential for a family room or guest suite. So how much does it cost to finish a basement? Read on for all cost factors.
Dealing with a damp basement? Follow these steps for DIY basement waterproofing to keep water and moisture out and boost your home’s energy efficiency.
Struggling with a damp basement? Learn about basement waterproofing and how these tips can help keep your basement safe from the elements.
Can’t seem to get rid of the moisture and mold in your basement? Learn why basements tend to hold moisture and how to get rid of moisture in the basement.
Unearth the root causes of water seepage in your basement floor. Explore effective solutions to keep your basement dry and your home protected.
