Get matched with top basement waterproofing pros in East Norwich, NY
There are 21 highly-rated local basement waterproofing pros.
TRUSTED BY HOMEOWNERS
4.3 
33 Verified Reviews for Basement Waterproofing pros in East Norwich, NY
*The Angi rating for Basement Waterproofing companies in East Norwich, 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 East Norwich, 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 June 05, 2025
Basement waterproofing pros in East Norwich
Diamond Masonry & Waterproofing was founded on a passion for the trade. We have been in the masonry and basement waterproofing trade since 1988 and formed diamond masonry & waterproofing in 2000.our knowledge and expertise of the industry has led us to small jobs and large scale commercial projects. No job is the same so we enjoy the challenges of all projects.
Diamond Masonry & Waterproofing was founded on a passion for the trade. We have been in the masonry and basement waterproofing trade since 1988 and formed diamond masonry & waterproofing in 2000.our knowledge and expertise of the industry has led us to small jobs and large scale commercial projects. No job is the same so we enjoy the challenges of all projects.
Were dedicated to providing our clients with the very best in concrete installation for driveways, sidewalks, patios, steps, and a variety of other projects. We also specialize in all Stone Work including fireplace installations, pavers, & stucco siding. With over 25 years of industry experience, we take and enormous amount of pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"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."
Andrea b on March 2024
Were dedicated to providing our clients with the very best in concrete installation for driveways, sidewalks, patios, steps, and a variety of other projects. We also specialize in all Stone Work including fireplace installations, pavers, & stucco siding. With over 25 years of industry experience, we take and enormous amount of pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"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."
Andrea b on March 2024
All Liberty Construction, Inc. is proud to be serving the area with expert services, with your satisfaction as our ultimate goal. With years of experience in our area of expertise, you can rest assured that your project will receive the high quality craftsmanship that only experience can bring. Call on us today, you will be glad you did!
"Nick’s staff is family operated and very capable. They did a great job, communicated well before the job and cleaned up to perfection afterward. A"
Bill J on May 2025
All Liberty Construction, Inc. is proud to be serving the area with expert services, with your satisfaction as our ultimate goal. With years of experience in our area of expertise, you can rest assured that your project will receive the high quality craftsmanship that only experience can bring. Call on us today, you will be glad you did!
"Nick’s staff is family operated and very capable. They did a great job, communicated well before the job and cleaned up to perfection afterward. A"
Bill J on May 2025
DeVito's Home Improvement & Design is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.
"Justin and his crew did a great job! Devito's is very professional, as Justin is very knowledgeable and has mamy years experience in the business. They completed the job on time, at the price originally quoted. This particular job took several days. Each day they cleaned up nicely, answered any questions and made sure the job was done right. The year prior, Devitos installed all new windows for us and did an excellent job. I would highly recommend Devitos for any home improvement job."
Robert Y on October 2024
DeVito's Home Improvement & Design is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.
"Justin and his crew did a great job! Devito's is very professional, as Justin is very knowledgeable and has mamy years experience in the business. They completed the job on time, at the price originally quoted. This particular job took several days. Each day they cleaned up nicely, answered any questions and made sure the job was done right. The year prior, Devitos installed all new windows for us and did an excellent job. I would highly recommend Devitos for any home improvement job."
Robert Y on October 2024
New Horizon Homes, Inc. is locally owned and operated. We pride ourselves on providing quality work and great customer service. Our customer's complete satisfaction is our top priority! Please call today for your free estimates.
"I dealt with the owner Paul from start to finish. We had purchased all of the materials for the renovation of our bathroom as well as our master bedroom, halls and entire first floor ceiling. Paul and his crew made our entire plan come alive and completed the project in the time span they had promised. We are thrilled with how well every thing went. We had them do an additional project on the exterior of our house after completion of the interior work and this was handled as well. the few minor problems that occurred were rectified with no delay, and to our complete satisfaction."
tom s on December 2017
New Horizon Homes, Inc. is locally owned and operated. We pride ourselves on providing quality work and great customer service. Our customer's complete satisfaction is our top priority! Please call today for your free estimates.
"I dealt with the owner Paul from start to finish. We had purchased all of the materials for the renovation of our bathroom as well as our master bedroom, halls and entire first floor ceiling. Paul and his crew made our entire plan come alive and completed the project in the time span they had promised. We are thrilled with how well every thing went. We had them do an additional project on the exterior of our house after completion of the interior work and this was handled as well. the few minor problems that occurred were rectified with no delay, and to our complete satisfaction."
tom s on December 2017
Specializing in masonry including: concrete, cement, driveways, patios, stairs, egress windows, entrance to basements, chimneys, stucco, etc.
Specializing in masonry including: concrete, cement, driveways, patios, stairs, egress windows, entrance to basements, chimneys, stucco, etc.
We specialize in general home improvements from paint to other ends like accent walls and built-in’s. for almost a decade K&J Home Improvement has been the go to for home owners.
We specialize in general home improvements from paint to other ends like accent walls and built-in’s. for almost a decade K&J Home Improvement has been the go to for home owners.
Because we have the experience, expertise, and equipment to meet and surpass customer expectations. Our motto is just solutions
Because we have the experience, expertise, and equipment to meet and surpass customer expectations. Our motto is just solutions
We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!
"Eddie and his crew solved my flooding issues with the installation of new pumps and delivered innovation solutions for a complicated problem, in the best efficient ways. His work was clean efficient, immaculate honest and on time. his company was accountable and delivered exactly what I requested and needed. Fortunately for me he will be returning soon to continue to address a few other projects on my list. I'm confident anyone that hires this company will be extremely pleased. A number of my personal friends have hired his team and were pleased with no regrets. Terry"
Theresa L on June 2024
We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!
"Eddie and his crew solved my flooding issues with the installation of new pumps and delivered innovation solutions for a complicated problem, in the best efficient ways. His work was clean efficient, immaculate honest and on time. his company was accountable and delivered exactly what I requested and needed. Fortunately for me he will be returning soon to continue to address a few other projects on my list. I'm confident anyone that hires this company will be extremely pleased. A number of my personal friends have hired his team and were pleased with no regrets. Terry"
Theresa L on June 2024
We provide masonry services to Nassau, Suffolk and Queens. We will install pavers, brick or just concrete for your driveways, patios, porch, anywhere you need us to. Please call us for a free estimate.
"Jas was very helpful and creative. She helped me design my backyard, Sam and the team did a very good and clean job. Thank you!"
Kayla D on April 2025
We provide masonry services to Nassau, Suffolk and Queens. We will install pavers, brick or just concrete for your driveways, patios, porch, anywhere you need us to. Please call us for a free estimate.
"Jas was very helpful and creative. She helped me design my backyard, Sam and the team did a very good and clean job. Thank you!"
Kayla D on April 2025
Basement waterproofing services FAQs
Due to the nature of basements, some level of waterproofing is necessary to prevent water from seeping in and causing damage. Some definitive signs that your basement needs waterproofing measures or needs existing waterproofing measures need to be updated include:
Water in your basement, including damp walls or puddles on the floor
Mold spots in your basement
Musty smells or odors
Warped doors or walls
Cracks in walls
Insect issues, such as cockroaches and termites
You can DIY basement waterproofing in some ways to help save on the overall costs. If your basement isn’t experiencing a lot of water but is noticeably humid, you can try running a dehumidifier that will pull the excess water out of the air. If you notice water leaking due to outdoor drainage issues, you can add downspout extensions to keep rainwater away from your home.
However, if the problem is more severe and requires a more extensive solution, it’s best to call a basement waterproofing professional to assess the treatment you need and install waterproofing safeguards properly. Since keeping water out of your basement is important, ensuring this job is done correctly the first time is best.
Damp proofing and waterproofing are both methods to help keep your basement dry. Damp proofing keeps soil moisture from entering your basement, which is helpful since your basement is underground. Waterproofing, however, keeps both soil moisture and liquid water out of the basement, which is essential, especially if you live in a wet environment. Because it’s more protective, waterproofing typically costs more than damp proofing.
Several factors dictate if you should waterproof the interior or exterior of your basement. Waterproofing the exterior of your home is a great option if you use your basement for storage, as it provides the most protection from water and water damage. If you prefer work done outside of your home versus inside, exterior waterproofing is best for you. However, interior waterproofing is often less expensive since the area is easier to reach and requires less labor.
The cost of basement waterproofing is $4,950 for the average homeowner. However, you could end up paying between $600 and $14,000, depending on factors like basement size, waterproofing method, and the region you live in.
If you live in an area with heavy rainfall, you might be paying more for waterproofing than if you lived somewhere drier since waterproofing contractors would be in high demand. Likewise, a 500-foot basement costs between $2,500 and $5,000 to waterproof, but that price rises significantly for a larger basement.
- Oyster Bay
- Syosset
- Mill Neck
- Jericho
- Woodbury
- Bayville
- Locust Valley
- Cold Spring Harbor
- Glen Cove
- Brookville
- Old Westbury
- Hicksville
- Old Bethpage
- Plainview
- Sea Cliff
- Glen Head
- Glenwood Landing
- Westbury
- Greenvale
- Roslyn Heights
- Lloyd Harbor
- Huntington Bay
- Huntington
- East Hills
- Melville
- Carle Place
- Bethpage
- Albertson
- Roslyn
- Flower Hill
Get our Angi-powered app
