Top-rated basement waterproofing pros.

Get matched with top basement waterproofing pros in Harwich, MA

Enter your zip and get matched with up to 5 pros

Need a pro for your basement waterproofing project in Harwich, MA?

Select your specific project to find the pro for you.

TRUSTED BY HARWICH, MA HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon18
    Verified basement waterproofing services reviews

Find Basement waterproofing pros in Harwich

Avatar for Inner Boston Masonry & Construction, Corp.

Inner Boston Masonry & Construction, Corp.

5.00(
38
)
Approved Pro

Inner Boston Masonry & Construction, Corp.

5.00(
38
)
Approved Pro
Super Service Award
Customers say: Quick response
3 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


Avatar for Key Waterproofing Construction

Key Waterproofing Construction

4.73(
195
)
Approved Pro

Key Waterproofing Construction

4.73(
195
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
12 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 sump systems and work hard to earn and keep your business. We look forward to earning your business!

"Professionals. . Hardworking crew. Clean area and was able to explain the process."

E J J on January 2026

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 sump systems and work hard to earn and keep your business. We look forward to earning your business!

"Professionals. . Hardworking crew. Clean area and was able to explain the process."

E J J on January 2026


Avatar for Pioneer Basement

Pioneer Basement

4.69(
188
)
Approved Pro

Pioneer Basement

4.69(
188
)
Approved Pro
Customers say: Super punctual
42 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


Avatar for Start 2 Finish Waterproofing Construction

Start 2 Finish Waterproofing Construction

5.00(
6
)
Approved Pro

Start 2 Finish Waterproofing Construction

5.00(
6
)
Approved Pro
Super Service Award
Customers say: Quick response
16 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


Avatar for DryZone Basement Systems, Inc.

DryZone Basement Systems, Inc.

4.54(
13
)
Approved Pro

DryZone Basement Systems, Inc.

4.54(
13
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
19 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


Avatar for Mold Doctors

Mold Doctors

4.90(
68
)

Mold Doctors

4.90(
68
)
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


Avatar for Anthony Quinn Construction

Anthony Quinn Construction

4.96(
94
)

Anthony Quinn Construction

4.96(
94
)
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


Bulkhead Doors Inc

4.85(
53
)

Bulkhead Doors Inc

4.85(
53
)
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

Family owned, with 7 employees. Experts in Basement Bulkheads. 30 years experience in foundations & Steel bulkhead doors. Traditional "Bilco factory approved" installer for replacements. Custom steel sizes "Built to Fit" your needs.Old wood doors can be built into strong, secure steel for longivity and safety. Specializing in replacement of old, rusted, steel casing stair units & tops. These were commonly installed in the 1960s&70s.No excavation machines,cranes or heavy trucks needed that damage your yard and landscaping. Replaced all in one day! Finish Paint options also available. Custom applications to keep weather out of your Basement. Give us a call today! 508-947-0777

"I sent their office a request for a quote and heard back within a couple hours, they came out, measured took photos and explained options. Received the quote same day. Great correspondence, very professional. The installers came out and did a great job! Cleaned up their mess and made sure we where 💯 satisfied. I would recommend them over any of the other companies out there. It's a breath of fresh air to do a project and not have any issues."

Greg B on January 2026

Family owned, with 7 employees. Experts in Basement Bulkheads. 30 years experience in foundations & Steel bulkhead doors. Traditional "Bilco factory approved" installer for replacements. Custom steel sizes "Built to Fit" your needs.Old wood doors can be built into strong, secure steel for longivity and safety. Specializing in replacement of old, rusted, steel casing stair units & tops. These were commonly installed in the 1960s&70s.No excavation machines,cranes or heavy trucks needed that damage your yard and landscaping. Replaced all in one day! Finish Paint options also available. Custom applications to keep weather out of your Basement. Give us a call today! 508-947-0777

"I sent their office a request for a quote and heard back within a couple hours, they came out, measured took photos and explained options. Received the quote same day. Great correspondence, very professional. The installers came out and did a great job! Cleaned up their mess and made sure we where 💯 satisfied. I would recommend them over any of the other companies out there. It's a breath of fresh air to do a project and not have any issues."

Greg B on January 2026


Avatar for Real Dry Waterproofing - Holyoke

Real Dry Waterproofing - Holyoke

4.92(
52
)

Real Dry Waterproofing - Holyoke

4.92(
52
)
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

Family owned business since 1982. All long term employees, no salesman and an owner are on every job. We do not sub-contract unless it is a area of expertise outside of our field of business. We do offer financing and payment plans.

"Steve and his crew did an outstanding job!"

Kenneth L on July 2021

Family owned business since 1982. All long term employees, no salesman and an owner are on every job. We do not sub-contract unless it is a area of expertise outside of our field of business. We do offer financing and payment plans.

"Steve and his crew did an outstanding job!"

Kenneth L on July 2021


Avatar for The BullBag

The BullBag

5.00(
14
)

The BullBag

5.00(
14
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

The only reusable dumpster for home and job site cleanup. After purchasing the BullBag from a local retailer, you would bring it home or to your job-site, set it up, fill it and call us! Our goal is come out within 2-3 business days to empty it at your location. You then get your bag immediately back! These bags are guaranteed for life. You Fill It! We Dump It! You Keep It!

The only reusable dumpster for home and job site cleanup. After purchasing the BullBag from a local retailer, you would bring it home or to your job-site, set it up, fill it and call us! Our goal is come out within 2-3 business days to empty it at your location. You then get your bag immediately back! These bags are guaranteed for life. You Fill It! We Dump It! You Keep It!

Showing 1-10 of 45
Basement Waterproofing questions, answered by experts

While it’s possible to seal a foundation yourself, it’s not recommended, as it’s a tricky and labor-intensive job. Foundation sealing is best left to the pros to save yourself time, remove the risk of doing it wrong, and keeping yourself safe. Call a foundation repair professional near you to see what the job will cost.

Ideal humidity conditions generally range from 30% to 50%, with 45% considered optimal humidity for most homes. If your humidity levels drop below that range, you can turn your dehumidifier off. Additionally, suppose the temperature where the dehumidifier is installed falls below 60 degrees Fahrenheit. In that case, it's best to turn it off and unplug it since cooler temperatures can cause the unit's coils to freeze.

Ductwork sweats for the same reason you might find beading on your windows or why cold drinks drip in the heat—temperature difference. When you see your ductwork and you notice sweating, that's a sure sign that your system is not operating anywhere close to peak efficiency. The best way to keep ductwork from sweating is to wrap it in inadequate insulation.

It can be safe to live in a house with minor foundation problems as long as the issues are checked and monitored by a professional. Minor cracks are rarely a cause for structural concerns, but signs of leaks, sinking, or bulging walls should be strongly scrutinized by a foundation specialist. Similarly, it's always smart to hire a professional when you're concerned about buying a house with foundation repairs.

The primary reason homes have crawl spaces is so the foundation can reach down below the frost line to avoid dangerous soil movement and structural damage when the ground freezes. They’re more popular in colder climates where the ground freezes down to a few feet, and slabs are most popular in warmer areas where there is no frost line. Crawl spaces also provide a space for utility lines to run where they’re at less of a risk of freezing.

The 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.

What do you need done? We’ll find top pros.
  • 🌱 "Mow a small front yard"
  • 🛠 "Fix a leaking pipe under the sink"
  • 🏠 "Repair shingles on an asphalt roof"