
Get matched with top basement waterproofing pros in Nelsonville, NY
There are 7 highly-rated local basement waterproofing pros.
Need a pro for your basement waterproofing project in Nelsonville, NY?
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Verified Reviews for Basement Waterproofing pros in Nelsonville, NY
*The Angi rating for Basement Waterproofing companies in Nelsonville, 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 Nelsonville, 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 November 24, 2025
Find Basement waterproofing pros in Nelsonville

American Dry Basement Systems, LLC
American Dry Basement Systems, LLC
We serve our customers with pride and work hard to ensure complete satisfaction with every job. Having waterproofed close to 25,000 basements since 1997, you can be sure you'll get the experience, quality, and waterproofing performance you need. Why choose us? We want to help protect your most significant investment from any foundation damage or water control problems. We uniquely use ICC code compliant practices, dust suppression, our proprietary foundation repair technology, and leave your home without any post-repair mess. Whether your basement floods during rainstorms or it just has that musty, "basement odor," we have the solution! We are locally owned and operated. Give us a call today!
"Excellent service. Life time guarantee"
Michelle J on October 2025
We serve our customers with pride and work hard to ensure complete satisfaction with every job. Having waterproofed close to 25,000 basements since 1997, you can be sure you'll get the experience, quality, and waterproofing performance you need. Why choose us? We want to help protect your most significant investment from any foundation damage or water control problems. We uniquely use ICC code compliant practices, dust suppression, our proprietary foundation repair technology, and leave your home without any post-repair mess. Whether your basement floods during rainstorms or it just has that musty, "basement odor," we have the solution! We are locally owned and operated. Give us a call today!
"Excellent service. Life time guarantee"
Michelle J on October 2025

Sunnyside Masonry
Sunnyside Masonry
Expert masonry & landscaping contractors specializing in brick, stone, and concrete. Serving NYC with integrity, quality craftsmanship, and a commitment to exceeding expectations.
"Sunnyside works as a team to guarantee the fulfillment of goals and objectives"
Ximena S on December 2022
Expert masonry & landscaping contractors specializing in brick, stone, and concrete. Serving NYC with integrity, quality craftsmanship, and a commitment to exceeding expectations.
"Sunnyside works as a team to guarantee the fulfillment of goals and objectives"
Ximena S on December 2022

Hudson Valley Landscaping & Drainage
Hudson Valley Landscaping & Drainage
Hudson Valley Landscaping and Drainage 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. Being involved and working in the industry for 25 years and counting, has allowed us to give accurate knowledge of our trade combined with the ability is what makes us true professionals. Above all, we are watchful of our customer's interests and make their concerns the basis of our business. Please give us a call today!
"I recently had the pleasure of working with Hudson Valley Landscaping & Drainage to address a persistent flooding issue in my homeâ s crawl space, and Iâ m very glad I did. Marc, the owner, demonstrated an impressive level of attention to detail, thoroughly assessed the problem, and considered both short-term solutions and long-term prevention. The work progressed swiftly. Marc and his team were punctual, arriving exactly when they said they would. Their efficiency allowed us to get back to normalcy sooner than expected. After resolving the drainage problem, I was very pleased with how beautifully they restored the affected yard space. The landscaping work was perfect. I really appreciated the dialogue about options that resulted in the thoughtful placement of plants. Itâ s like our yard got a makeover! Throughout the project, the crew maintained its professionalism. Itâ s refreshing to work with a team that takes pride in their craft and treats your home respectfully. We have already discussed what future projects are possible. And, after the recent rain storms we just had, that crawl space is as dry as a bone. If youâ re seeking a reliable, skilled team for landscaping and drainage work, look no further. Hudson Valley Landscaping & Drainage delivers exceptional results. I wholeheartedly recommend them!"
Allen W on June 2024
Hudson Valley Landscaping and Drainage 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. Being involved and working in the industry for 25 years and counting, has allowed us to give accurate knowledge of our trade combined with the ability is what makes us true professionals. Above all, we are watchful of our customer's interests and make their concerns the basis of our business. Please give us a call today!
"I recently had the pleasure of working with Hudson Valley Landscaping & Drainage to address a persistent flooding issue in my homeâ s crawl space, and Iâ m very glad I did. Marc, the owner, demonstrated an impressive level of attention to detail, thoroughly assessed the problem, and considered both short-term solutions and long-term prevention. The work progressed swiftly. Marc and his team were punctual, arriving exactly when they said they would. Their efficiency allowed us to get back to normalcy sooner than expected. After resolving the drainage problem, I was very pleased with how beautifully they restored the affected yard space. The landscaping work was perfect. I really appreciated the dialogue about options that resulted in the thoughtful placement of plants. Itâ s like our yard got a makeover! Throughout the project, the crew maintained its professionalism. Itâ s refreshing to work with a team that takes pride in their craft and treats your home respectfully. We have already discussed what future projects are possible. And, after the recent rain storms we just had, that crawl space is as dry as a bone. If youâ re seeking a reliable, skilled team for landscaping and drainage work, look no further. Hudson Valley Landscaping & Drainage delivers exceptional results. I wholeheartedly recommend them!"
Allen W on June 2024

Westside Building and Restoration, Inc.
Westside Building and Restoration, Inc.
Westside Building and Restoration, Inc.! Home of the Gutter Hood. We offer quality service and products at a reasonable price. Westside Building and Restoration, Inc. specializes in kitchen and bathroom remodels, gutter and gutter cover installation, installation of siding, doors, exterior painting, brick work, carpentry and all home renovations. Let us help you with your exterior or interior remodeling needs. Be sure to ask about our commercial services!
"I am very impressed with the work Mike has done with the front porch. Great compliments from people that have seen the great work done. Shout out to Paula very good communication and coordination. All could not be done with ownership. Would recommend and use company again. Sorry also has excellent service on power wash "
Joann C on September 2025
Westside Building and Restoration, Inc.! Home of the Gutter Hood. We offer quality service and products at a reasonable price. Westside Building and Restoration, Inc. specializes in kitchen and bathroom remodels, gutter and gutter cover installation, installation of siding, doors, exterior painting, brick work, carpentry and all home renovations. Let us help you with your exterior or interior remodeling needs. Be sure to ask about our commercial services!
"I am very impressed with the work Mike has done with the front porch. Great compliments from people that have seen the great work done. Shout out to Paula very good communication and coordination. All could not be done with ownership. Would recommend and use company again. Sorry also has excellent service on power wash "
Joann C on September 2025

Basement Systems Of New York
Basement Systems Of New York
We are a locally owned and operated company with over 30 employees. Many of our products have warranties. We offer service visits. We will accept credit cards and financing is also offered.
"They were excellent on all counts-knowledgeable, Available to answer questions, efficient, on time, neat workers , and they did a very good job."
Regina R on September 2024
We are a locally owned and operated company with over 30 employees. Many of our products have warranties. We offer service visits. We will accept credit cards and financing is also offered.
"They were excellent on all counts-knowledgeable, Available to answer questions, efficient, on time, neat workers , and they did a very good job."
Regina R on September 2024

Expediant Environmental Solutions, LLC
Expediant Environmental Solutions, LLC
Expediant Environmental is committed to excellence and continues to be an outstanding business with over 25 years of experience. Our company prides itself on an outstanding record of quality service. We specialize in your whole home as a system approach. So when it comes to mold removal, insulation, or waterproofing we never forget to make sure it does not have a negative effect on another function of your home. Wet Crawl Space? Expediant offers CleanSpace encapsulation system to control moisture and dampness in the crawl space. We are an authorized Contractor Nation installer. Radon problem? That's no problem for us. Got bed bugs or rodents? We can make them disappear! Expediant offers a wide variety of services to meet all your pest control needs from preventative maintenance to treatment of active problems. See our website! www.Expedianthomesolutions.com
"Highly recommend, great work! "
Bill P on October 2025
Expediant Environmental is committed to excellence and continues to be an outstanding business with over 25 years of experience. Our company prides itself on an outstanding record of quality service. We specialize in your whole home as a system approach. So when it comes to mold removal, insulation, or waterproofing we never forget to make sure it does not have a negative effect on another function of your home. Wet Crawl Space? Expediant offers CleanSpace encapsulation system to control moisture and dampness in the crawl space. We are an authorized Contractor Nation installer. Radon problem? That's no problem for us. Got bed bugs or rodents? We can make them disappear! Expediant offers a wide variety of services to meet all your pest control needs from preventative maintenance to treatment of active problems. See our website! www.Expedianthomesolutions.com
"Highly recommend, great work! "
Bill P on October 2025

ProSeal Waterproofing
ProSeal Waterproofing
I take pride in my quality craftsmanship. We are owner operated, and believe in building long-term relationships with our clients by delivering honesty along with exceptional work. We pride our company on reliability, great communication, integrity, and customer service. We are experts in our trade and will do our best to keep you as educated as we can on your particular project. Give us a call today! We look forward to working with you!
"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."
Angela M on October 2025
I take pride in my quality craftsmanship. We are owner operated, and believe in building long-term relationships with our clients by delivering honesty along with exceptional work. We pride our company on reliability, great communication, integrity, and customer service. We are experts in our trade and will do our best to keep you as educated as we can on your particular project. Give us a call today! We look forward to working with you!
"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."
Angela M on October 2025

E&A HOME SOLUTIONS LLC
E&A HOME SOLUTIONS LLC
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Needed my attic insulated with winter approaching, and after taking a lot of quotes decided to go with E&A. They were professional, polite, and knowledgeable. I called a few times ahead of hiring them and they took the time to work through the scope of the project. I never felt pressured to do anything a specific way like a lot of other companies do with their salespeople. Instead they helped me understand my options. After hiring them, they showed up when they said they would and worked very hard until the job was done. I have a large attic and the two of them worked tirelessly. They also added a catwalk to get to my air handler and cleaned out old insulation. They did a great job and we could immediately feel the difference in the house. Overall, it was a great experience. Definitely hire them."
Andrew L on November 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Needed my attic insulated with winter approaching, and after taking a lot of quotes decided to go with E&A. They were professional, polite, and knowledgeable. I called a few times ahead of hiring them and they took the time to work through the scope of the project. I never felt pressured to do anything a specific way like a lot of other companies do with their salespeople. Instead they helped me understand my options. After hiring them, they showed up when they said they would and worked very hard until the job was done. I have a large attic and the two of them worked tirelessly. They also added a catwalk to get to my air handler and cleaned out old insulation. They did a great job and we could immediately feel the difference in the house. Overall, it was a great experience. Definitely hire them."
Andrew L on November 2025

Carbone Construction
Carbone Construction
We pride our company on reliability, great communication, integrity, pricing and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade with over 15 years of experience. We are licensed in both Westchester and Putnam county’s. Our customers come first so we pay strong attention to each project needs. Service with a smile. Give us a call! We look forward to earning your business!
"Great Work"
Tim G on March 2025
We pride our company on reliability, great communication, integrity, pricing and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade with over 15 years of experience. We are licensed in both Westchester and Putnam county’s. Our customers come first so we pay strong attention to each project needs. Service with a smile. Give us a call! We look forward to earning your business!
"Great Work"
Tim G on March 2025

Dirty Deeds Basement Waterproofing
Dirty Deeds Basement Waterproofing
Dirty Deeds Inc. is a family owned and operated company. We pride ourselves on our integrity and ability to provide professional and individualized waterproofing services. We offer you the best possible solution to your particular needs, offering a wide range of internal or external solutions. Our business owner Dean has 40 years experience specializing exclusively in basement waterproofing, his work has been recognized and featured in “This Old House Magazine,” showcased on our website: dirtydeedswaterproofing.com Give us a call to schedule your free inspection to identify, mitigate, and resolve your water issues.
"My sewage ejector pump in basement would not stop running and I was looking to replace it. I texted Dean two pictures of the pump, he was able to give me a quote over text and the price was quite reasonable. He received a new pump on 5/22/2023 and came over to my house. After opening up the old pump and checking, he told me that the only thing that is really broken is the check valve, the switch got stuck but is still functioning, and the pump itself works fine. I ended up asking him to only replace the check valve and the switch and this saved me about $1000 from the original plan. I appreciate Dean's honesty, professionalism, and a job well done."
Haifeng Q on June 2023
Dirty Deeds Inc. is a family owned and operated company. We pride ourselves on our integrity and ability to provide professional and individualized waterproofing services. We offer you the best possible solution to your particular needs, offering a wide range of internal or external solutions. Our business owner Dean has 40 years experience specializing exclusively in basement waterproofing, his work has been recognized and featured in “This Old House Magazine,” showcased on our website: dirtydeedswaterproofing.com Give us a call to schedule your free inspection to identify, mitigate, and resolve your water issues.
"My sewage ejector pump in basement would not stop running and I was looking to replace it. I texted Dean two pictures of the pump, he was able to give me a quote over text and the price was quite reasonable. He received a new pump on 5/22/2023 and came over to my house. After opening up the old pump and checking, he told me that the only thing that is really broken is the check valve, the switch got stuck but is still functioning, and the pump itself works fine. I ended up asking him to only replace the check valve and the switch and this saved me about $1000 from the original plan. I appreciate Dean's honesty, professionalism, and a job well done."
Haifeng Q on June 2023
The Nelsonville, NY homeowners’ guide to basement waterproofing services
From average costs to expert advice, get all the answers you need to get your job done.

A variety of factors can affect your total crawl space encapsulation cost. Here’s a breakdown of the cost of this project, whether you hire a pro or DIY.

Sump pump battery backup costs depend on the type and the design of the system purchased. Follow this guide to learn how to budget for your backup battery.

Sump pump replacement costs depend on the type of unit you have and the cost of labor, which varies by region. Read on to find out more about what to expect.

A sump pump is a must-have if your basement (or crawlspace) tends to flood—it will drain excess water and save your property from damage. Learn more about the different types of sump pumps and how they work to prevent flooding.

Keeping your crawl space vents open or closed largely depends on the season, moisture, and existing ventilation. Learn why weather is a major factor.

There are a few different things that make a crawl space smell like sewage. This guide will help you find the issue and learn how to fix it.
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