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TRUSTED BY EAST HARWICH, MA HOMEOWNERS
4.3 Average homeowner rating
26 Verified basement waterproofing services reviews
Verified Reviews for Basement Waterproofing pros in East Harwich, MA
*The Angi rating for Basement Waterproofing companies in East Harwich, MA 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 Harwich, MA 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 December 15, 2025
Find Basement waterproofing pros in East Harwich
Inner Boston Masonry & Construction, Corp.
Inner Boston Masonry & Construction, Corp.
Super Service Award
Customers say: Quick response
2 years of experience
Free onsite estimate
Inner Boston Masonry is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have 15 years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"They did a fantastic job."
mark W on September 2025
Inner Boston Masonry is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have 15 years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"They did a fantastic job."
mark W on September 2025
Custom Coatings
Custom Coatings
Customers say: Quality work
21 years of experience
Free onsite estimate
We are a locally owned and operated company proudly serving the Hyannis, MA community since 2004. As an owner-operated business, we value honesty, integrity, and craftsmanship, treating every project as if it were our own. Our services include concrete flatwork, waterproofing, floor coatings, and custom finishes all tailored to meet your specific needs. With detail-oriented work and competitive pricing, we specialize in delivering durable, high-quality solutions that enhance both function and appearance. We take pride in building lasting relationships with our customers and guarantee your satisfaction on every job.
"They were professional from start to finish. They exceeded my expectations. My basement floor was in rough shape with glue stains from carpet and rust stains from a leaking boiler. They paid special attention to grinding all those imperfections away. The final result was one I'm so proud to show off for years to come. Thank you for making the basement Grey metallic epoxy a wonderful experience. I would recommend them to anyone who wants to upgrade their space and put the "wow" factor back in their home. Well done!"
Kristen M on December 2025
We are a locally owned and operated company proudly serving the Hyannis, MA community since 2004. As an owner-operated business, we value honesty, integrity, and craftsmanship, treating every project as if it were our own. Our services include concrete flatwork, waterproofing, floor coatings, and custom finishes all tailored to meet your specific needs. With detail-oriented work and competitive pricing, we specialize in delivering durable, high-quality solutions that enhance both function and appearance. We take pride in building lasting relationships with our customers and guarantee your satisfaction on every job.
"They were professional from start to finish. They exceeded my expectations. My basement floor was in rough shape with glue stains from carpet and rust stains from a leaking boiler. They paid special attention to grinding all those imperfections away. The final result was one I'm so proud to show off for years to come. Thank you for making the basement Grey metallic epoxy a wonderful experience. I would recommend them to anyone who wants to upgrade their space and put the "wow" factor back in their home. Well done!"
Kristen M on December 2025
DryZone Basement Systems
DryZone Basement Systems
Customers say: True professional
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
18 years of experience
DryZone Basement Systems is your local expert for ALL THINGS BASEMENTY! We specialize in basement waterproofing, foundation and crawl space repair, as well as sump pump installation. Whether your sump pump doesn't turn back on or you have a chronic wet basement, we have the solution! We are a multi-year Super Service Award winner, dating back to 2010 and offer free estimates for everyone. We serve homeowners across Massachusetts and Rhode Island.
"From start to finish DryZone made everything easy. Thank you"
Hutch H on April 2025
DryZone Basement Systems is your local expert for ALL THINGS BASEMENTY! We specialize in basement waterproofing, foundation and crawl space repair, as well as sump pump installation. Whether your sump pump doesn't turn back on or you have a chronic wet basement, we have the solution! We are a multi-year Super Service Award winner, dating back to 2010 and offer free estimates for everyone. We serve homeowners across Massachusetts and Rhode Island.
"From start to finish DryZone made everything easy. Thank you"
Hutch H on April 2025
Key Waterproofing Construction
Key Waterproofing Construction
Super Service Award
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
11 years of experience
Serving all of Eastern Mass and So. New Hampshire including North Shore, South Shore, and Cape Cod We pride our company on reliability, great communication, integrity, and quality work. We are experts in Basement Waterproofing and work hard to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"Outstanding presentation, outstanding work. Completed and cleaned up everything and a very fair price. Workers never stopped except for water. Unbelievable pace and quality! Thank you Key Construction. Bob from Dartmouth "
Robert M on September 2025
Serving all of Eastern Mass and So. New Hampshire including North Shore, South Shore, and Cape Cod We pride our company on reliability, great communication, integrity, and quality work. We are experts in Basement Waterproofing and work hard to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"Outstanding presentation, outstanding work. Completed and cleaned up everything and a very fair price. Workers never stopped except for water. Unbelievable pace and quality! Thank you Key Construction. Bob from Dartmouth "
Robert M on September 2025
Pioneer Basement
Pioneer Basement
Customers say: Super punctual
41 years of experience
Free onsite estimate
Additional service area - Cohasset, Fitchburg, Worcester, portions of Chelsea-Saugus, Chelmsford Counties. South Shore & Cape Cod and All of Rhode Island. Family owned and operated since 1984. Additional email - [email protected]. Additional phone - (800) 439-0788. Additional DBA - Pioneer Basement Waterproofing Inc.
"Went well. pumps replaced"
Esther H on August 2022
Additional service area - Cohasset, Fitchburg, Worcester, portions of Chelsea-Saugus, Chelmsford Counties. South Shore & Cape Cod and All of Rhode Island. Family owned and operated since 1984. Additional email - [email protected]. Additional phone - (800) 439-0788. Additional DBA - Pioneer Basement Waterproofing Inc.
"Went well. pumps replaced"
Esther H on August 2022
Start 2 Finish Waterproofing Construction
Start 2 Finish Waterproofing Construction
Super Service Award
Customers say: Quick response
15 years of experience
Free onsite estimate
We are new to Angies and just started our review process but we are not new to basement waterproofing. With over 15 years in the industry our work speaks for itself. With the best pricing in the industry our business model allows us to offer the best equipment and service. We don't spend your money on TV or radio advertising we give it back to you with low prices and top notch service. Whether it’s Interior Basement Waterproofing, crack repair, or creating the ultimate entertainment space, we’ve got you covered with great craftsmanship and reliable service. Located in Foxboro, MA, and serving eastern MA, we’re your trusted local experts in making basements dry and functional. Don’t wait for the next rainstorm—call us today for your FREE assessment and take the first step toward your dream dry basement. Transform your basement with Start 2 Finish Interior Basement Waterproofing & Construction! From complete interior basement waterproofing to basement refinishing if desired.
"very professional on time informed me of the process"
pamela m on January 2025
We are new to Angies and just started our review process but we are not new to basement waterproofing. With over 15 years in the industry our work speaks for itself. With the best pricing in the industry our business model allows us to offer the best equipment and service. We don't spend your money on TV or radio advertising we give it back to you with low prices and top notch service. Whether it’s Interior Basement Waterproofing, crack repair, or creating the ultimate entertainment space, we’ve got you covered with great craftsmanship and reliable service. Located in Foxboro, MA, and serving eastern MA, we’re your trusted local experts in making basements dry and functional. Don’t wait for the next rainstorm—call us today for your FREE assessment and take the first step toward your dream dry basement. Transform your basement with Start 2 Finish Interior Basement Waterproofing & Construction! From complete interior basement waterproofing to basement refinishing if desired.
"very professional on time informed me of the process"
pamela m on January 2025
Groundworks
Groundworks
Customers say: True professional
15 years of experience
Free onsite estimate
Groundworks provides dependable foundation repair, basement waterproofing, concrete lifting, and crawl space solutions for Massachusetts homes. Our commitment enhances the value and safety of homes within our community.
"Knowledgeable, professional and thorough - best annual service call since we installed water mitigation system 13 yrs ago!"
Paul S on December 2025
Groundworks provides dependable foundation repair, basement waterproofing, concrete lifting, and crawl space solutions for Massachusetts homes. Our commitment enhances the value and safety of homes within our community.
"Knowledgeable, professional and thorough - best annual service call since we installed water mitigation system 13 yrs ago!"
Paul S on December 2025
DryZone Basement Systems, Inc.
DryZone Basement Systems, Inc.
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
18 years of experience
DryZone Basement Systems, Inc., is your local expert for ALL THINGS BASEMENTY! We specialize in basement waterproofing, foundation and crawl space repair, as well as sump pump installation. We offer free estimates for property owners across Massachusetts and Rhode Island. The company is a trusted and valued member of the Basement Systems network and upholds the high standards of the company. DryZone Basement Systems, Inc., thoroughly trains their staff and experts for crawl space and basement waterproofing at the Basement Systems, Inc., corporate headquarters in Connecticut and always offers a 100% customer satisfaction guarantee.
"The system was installed so that the pipes were pitched away from the sump, the pipe from the sump outside leaked back into the basement, and the exterior drain wasnt dug to grade so water backed up towards the house. When contacted about the issue, dryzone sent out a tech who confirmed every issue. The company then refused to fix anything without a second opinion. A month after I filed a chargeback, the GM called to "apologize", and made it sound like he wouldnt contest the chargeback, but offered no remedy to the situation. He then contested the chargeback and lied on the chargeback rebuttal. Eventually they settled for a partial refund. Terrible company, dont recommend."
Andrew R on January 2024
DryZone Basement Systems, Inc., is your local expert for ALL THINGS BASEMENTY! We specialize in basement waterproofing, foundation and crawl space repair, as well as sump pump installation. We offer free estimates for property owners across Massachusetts and Rhode Island. The company is a trusted and valued member of the Basement Systems network and upholds the high standards of the company. DryZone Basement Systems, Inc., thoroughly trains their staff and experts for crawl space and basement waterproofing at the Basement Systems, Inc., corporate headquarters in Connecticut and always offers a 100% customer satisfaction guarantee.
"The system was installed so that the pipes were pitched away from the sump, the pipe from the sump outside leaked back into the basement, and the exterior drain wasnt dug to grade so water backed up towards the house. When contacted about the issue, dryzone sent out a tech who confirmed every issue. The company then refused to fix anything without a second opinion. A month after I filed a chargeback, the GM called to "apologize", and made it sound like he wouldnt contest the chargeback, but offered no remedy to the situation. He then contested the chargeback and lied on the chargeback rebuttal. Eventually they settled for a partial refund. Terrible company, dont recommend."
Andrew R on January 2024
Mold Doctors
Mold Doctors
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
We have the solutions for all your restoration needs - We are located on Cape Cod. We service all of the Cape and South Shore! We value the safety of your home, that is why we use only EPA approved products that are safe for you and the environment. We also use all-natural plant-based materials (Organic Enzymes) to remove mold safely from your home. We strive to offer the highest quality services at an affordable price. We have established ourselves as a premier company for mold in our area. We offer on all our remediation (when applicable) a 3rd party post inspection done by an independent environmentalist to assure that the job is done to industry standards! We value the safety of your home and business, and we work with you through the entire project to maintain a high level of professional care and responsibility.
"Excellent in every way. Huge job, 3floors, needed extensive work. This company is without equals in their field. Great job!"
Janice F on February 2024
We have the solutions for all your restoration needs - We are located on Cape Cod. We service all of the Cape and South Shore! We value the safety of your home, that is why we use only EPA approved products that are safe for you and the environment. We also use all-natural plant-based materials (Organic Enzymes) to remove mold safely from your home. We strive to offer the highest quality services at an affordable price. We have established ourselves as a premier company for mold in our area. We offer on all our remediation (when applicable) a 3rd party post inspection done by an independent environmentalist to assure that the job is done to industry standards! We value the safety of your home and business, and we work with you through the entire project to maintain a high level of professional care and responsibility.
"Excellent in every way. Huge job, 3floors, needed extensive work. This company is without equals in their field. Great job!"
Janice F on February 2024
Anthony Quinn Construction
Anthony Quinn Construction
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
We are a family locally owned and operated full service building, roofing and remodeling company. We offer a 10% discount on labor for Angie's List members. Construction Supervisors lic # 068599. Home Improvement Contractors reg#125537.
"We highly recommend Anthony Quinn Construction. Tony did an outstanding job repairing the damage to our home. He showed up when he said he would, got the job done quickly, is reasonably priced, and is very nice. We were very impressed with his work and are having Tony back for additional work."
Ellen K on May 2022
We are a family locally owned and operated full service building, roofing and remodeling company. We offer a 10% discount on labor for Angie's List members. Construction Supervisors lic # 068599. Home Improvement Contractors reg#125537.
"We highly recommend Anthony Quinn Construction. Tony did an outstanding job repairing the damage to our home. He showed up when he said he would, got the job done quickly, is reasonably priced, and is very nice. We were very impressed with his work and are having Tony back for additional work."
Ellen K on May 2022
FAQs for basement waterproofing projects in East Harwich, MA
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.
The East Harwich, MA homeowners’ guide to basement waterproofing services
From average costs to expert advice, get all the answers you need to get your job done.
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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.
If your home's crawlspace has water issues, here are the crawlspace encapsulation questions you should be asking a contractor about the project.
Wondering how you can make a flood-proof house? We’ve got 10 essential tips to prepare and protect you in case of flooding following severe weather.
You may be concerned if you find your sump pump running constantly after heavy rainfall. Read up on possible reasons why your sump pump won’t shut off.
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