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Avatar for American Dry Basement Systems, LLC

American Dry Basement Systems, LLC

4.90(
102
)
Approved Pro

American Dry Basement Systems, LLC

4.90(
102
)
Approved Pro
Customers say: Quick response
28 years of experience
Free onsite estimate

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!

"The job was professionally done. The area was well protected and clean up was exceptional. It was completed in the estimated time and I am very happy with the results"

Vincent M on December 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!

"The job was professionally done. The area was well protected and clean up was exceptional. It was completed in the estimated time and I am very happy with the results"

Vincent M on December 2025


"Chris was efficient and friendly. Got the job done quickly. "

M S on November 2025

Budget Dry Waterproofing is a waterproofing company founded on the belief that quality home improvement work does not need to break the bank. We are dedicated to providing excellent service.

"Chris was efficient and friendly. Got the job done quickly. "

M S on November 2025


Avatar for Eastern Waterproofing Co., Inc.

Eastern Waterproofing Co., Inc.

4.83(
31
)
Approved Pro

Eastern Waterproofing Co., Inc.

4.83(
31
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
49 years of experience

In an attempt to get back to all the people who have recently contacted us, we're providing email addresses of [email protected] and [email protected]. PLEASE USE EMAIL WHENEVER POSSIBLE! We have gotten inundated with phone calls and apologize that we may have not gotten back to you in a timely fashion, as normal. We pride ourselves on quick response times but the recent rains have caused an unprecedented backlog in calls to our office. We are doing our best to work through it. In the meantime, please, try emailing DESCRIBING YOUR ISSUE, your AVAILABILITY DURING A TYPICAL WEEK and YOUR NAME AND ADDRESS AND PHONE # AND SEND RELEVANT PICTURES, IF POSSIBLE! We will do our best to respond ASAP as we work through our call backlog. *If a requested appointment time is not confirmed through our office it is NOT scheduled with our team! Thank you for your patience and understanding!

"Everyone was really good to work with at the beginning of the waterproofing to the very end. No complains about the completed Job. I have yet to see the system work because we just have not had Heavy rain over a Long period of time."

Stephen M on July 2024

In an attempt to get back to all the people who have recently contacted us, we're providing email addresses of [email protected] and [email protected]. PLEASE USE EMAIL WHENEVER POSSIBLE! We have gotten inundated with phone calls and apologize that we may have not gotten back to you in a timely fashion, as normal. We pride ourselves on quick response times but the recent rains have caused an unprecedented backlog in calls to our office. We are doing our best to work through it. In the meantime, please, try emailing DESCRIBING YOUR ISSUE, your AVAILABILITY DURING A TYPICAL WEEK and YOUR NAME AND ADDRESS AND PHONE # AND SEND RELEVANT PICTURES, IF POSSIBLE! We will do our best to respond ASAP as we work through our call backlog. *If a requested appointment time is not confirmed through our office it is NOT scheduled with our team! Thank you for your patience and understanding!

"Everyone was really good to work with at the beginning of the waterproofing to the very end. No complains about the completed Job. I have yet to see the system work because we just have not had Heavy rain over a Long period of time."

Stephen M on July 2024


Avatar for ProSeal Waterproofing

ProSeal Waterproofing

5.00(
8
)
Approved Pro

ProSeal Waterproofing

5.00(
8
)
Approved Pro
1 years of experience
Free onsite estimate

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


Avatar for All Build Masonry And Roofing LLC

All Build Masonry And Roofing LLC

5.00(
3
)
Approved Pro

All Build Masonry And Roofing LLC

5.00(
3
)
Approved Pro
2 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"My front stairs was in bad condition, all build soon fixed it and brought it back to life would recommend "

daniel c on October 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"My front stairs was in bad condition, all build soon fixed it and brought it back to life would recommend "

daniel c on October 2025


Avatar for Connecticut Basement Systems, Inc.

Connecticut Basement Systems, Inc.

4.80(
35
)
Approved Pro

Connecticut Basement Systems, Inc.

4.80(
35
)
Approved Pro
Customers say: Quick response
38 years of experience
Free onsite estimate

Work completed by Connecticut Basement Systems, Inc., is warranted for lifetime of your home. Satisfaction is guaranteed and we assure prompt reply to all inquiries. Free estimates and financing are available. We've wowed over 30,000 customers since 1987. We have an A plus Better Business Bureau rating. Check us out for unbiased reviews and customer testimonials.

"Overall, working with the company was a good experience."

Marcy W on October 2024

Work completed by Connecticut Basement Systems, Inc., is warranted for lifetime of your home. Satisfaction is guaranteed and we assure prompt reply to all inquiries. Free estimates and financing are available. We've wowed over 30,000 customers since 1987. We have an A plus Better Business Bureau rating. Check us out for unbiased reviews and customer testimonials.

"Overall, working with the company was a good experience."

Marcy W on October 2024


Avatar for Groundworks

Groundworks

5.00(
3
)
Approved Pro

Groundworks

5.00(
3
)
Approved Pro
Super Service Award
Free onsite estimate
Warranties offered

Groundworks provides dependable foundation repair, basement waterproofing, concrete lifting, and crawl space solutions for Connecticut homes. Our commitment enhances the value and safety of homes within our community.

"Chuck, Alex and Naki did a great job. Lots of attention to detail. Walked me me the whole process so I would feel comfortable"

Sandy G on June 2025

Groundworks provides dependable foundation repair, basement waterproofing, concrete lifting, and crawl space solutions for Connecticut homes. Our commitment enhances the value and safety of homes within our community.

"Chuck, Alex and Naki did a great job. Lots of attention to detail. Walked me me the whole process so I would feel comfortable"

Sandy G on June 2025


Avatar for Groundworks

Groundworks

5.00(
1
)
Approved Pro

Groundworks

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

Groundworks is North America’s leading foundation repair and water management solutions company. Groundworks has been serving homeowners across the U.S. and Canada for decades, providing quality home repair solutions. Groundworks is a BBB-accredited business and a multi-time recipient of the Angi Super Service Award. Our 50-plus years of combined expertise brings Connecticut homeowners innovative solutions and industry-leading warranties to protect their biggest investment, their homes. HIC.0699918

"Professional and efficient tech."

Mark R on April 2025

Groundworks is North America’s leading foundation repair and water management solutions company. Groundworks has been serving homeowners across the U.S. and Canada for decades, providing quality home repair solutions. Groundworks is a BBB-accredited business and a multi-time recipient of the Angi Super Service Award. Our 50-plus years of combined expertise brings Connecticut homeowners innovative solutions and industry-leading warranties to protect their biggest investment, their homes. HIC.0699918

"Professional and efficient tech."

Mark R on April 2025


Avatar for Budget Dry Waterproofing, Inc.

Budget Dry Waterproofing, Inc.

4.79(
174
)

Budget Dry Waterproofing, Inc.

4.79(
174
)
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

Budget Dry Waterproofing is family owned and operated, We also an Angie's List Super Service Award winner and have been since 2011. We offer free inspections and estimates to home owners and business owners. We also offer both 0% interest and monthly payment plans, accept all credit cards, personal and business checks. Check out our services offered and call or click to schedule a free estimate today! 203-421-8560

"Friendly, professional, knowledgeable. Explained the problem and how the pumps work. Would recommend the company to anyone. Had the system installed 6 years ago. Has been a great investment."

Jim M on July 2023

Budget Dry Waterproofing is family owned and operated, We also an Angie's List Super Service Award winner and have been since 2011. We offer free inspections and estimates to home owners and business owners. We also offer both 0% interest and monthly payment plans, accept all credit cards, personal and business checks. Check out our services offered and call or click to schedule a free estimate today! 203-421-8560

"Friendly, professional, knowledgeable. Explained the problem and how the pumps work. Would recommend the company to anyone. Had the system installed 6 years ago. Has been a great investment."

Jim M on July 2023


Avatar for Better Built Basements LLC

Better Built Basements LLC

4.68(
212
)

Better Built Basements LLC

4.68(
212
)
Customers say: Super punctual
17 years of experience

Additional e-mail - [email protected]. Award winning. The Mission of Better Built Basements, LLC is to have Connecticut homeowners select us as their remodeling contractor by providing innovative and affordable basement solutions. We strive to build trust and confidence with our customers with precise quotes, honest and consistent communication, professional appearance and demeanor, and accurate time lines for every project.

"Unfortunately I give BBB a 1 star rating. The project began October of 2021 with demolition, upon completion of each phase I sent an email to Better Built Basement management thanking them for their work effort and identifying items that either required further explanation and/or resolution. As the project went on, I became increasingly frustrated with their lack of communication, lack of accountability, lack of caring, and lack of skill. The straw that broke my back was when Jim (an owner) called me a f’ing c’sucker. Randy, (an owner) sent me the following email: No one has time to read your 3-page condensing e-mails. You have done nothing but complaint. It's obnoxious and draining to everyone you come in contact with. There isn't one person who cant wait to have you out of our lives. I terminated Better Built Basements on June 7th, 2022, here are some of the details of my experience: - The demo crew was excellent in and out in a day and did a great job cleaning up - The electricians were very consultative in their approach to the project, providing input on lighting and outlet placements. - Framing was mediocre. Despite using laser equipment, one wall was wavy and the ceiling grid has a large gap. Pictures attached. - New steel stud framing and pre-hung doors should be dead on straight as an arrow instead, two of the doors has an aesthetically noticeable skew. - The replacement to an existing door resulted in using the wrong hinge set for the existing mortices, inclusive of color – all the other hardware is brass they used chrome. Picture attached. - 3 of the four doors were either chipped or cracked. BBB was notified before the ‘final’ paint job, but they failed to address the issue. - I returned home the day they applied joint compound to find glops of joint compound on the floor, which I tracked around my house, and glops on wood work on a floor where no work was occurring. Pictures attached - Following the flooring installation, they left garbage in my basement for 2.5 weeks, then did not take it when they came back – in frustration I disposed of it myself. - Many of joints on the ¼ round trim molding were caulked excessively to cover up sloppy miters. - Cracked switchhplate was not replaced. Picture attached. - Sub-contractors have sub-contractors, who seem to be able to sub contract – direct employees of BBB other than the demo and electrical were rare. BBB demands using a lock box, Many people have the combination, providing little sense of security over access to the home. Overall, BBB does a bad job communicating, managing expectations and fails to deliver on their stated objectives at best they are contractors not craftsman."

Lou Z on September 2022

Additional e-mail - [email protected]. Award winning. The Mission of Better Built Basements, LLC is to have Connecticut homeowners select us as their remodeling contractor by providing innovative and affordable basement solutions. We strive to build trust and confidence with our customers with precise quotes, honest and consistent communication, professional appearance and demeanor, and accurate time lines for every project.

"Unfortunately I give BBB a 1 star rating. The project began October of 2021 with demolition, upon completion of each phase I sent an email to Better Built Basement management thanking them for their work effort and identifying items that either required further explanation and/or resolution. As the project went on, I became increasingly frustrated with their lack of communication, lack of accountability, lack of caring, and lack of skill. The straw that broke my back was when Jim (an owner) called me a f’ing c’sucker. Randy, (an owner) sent me the following email: No one has time to read your 3-page condensing e-mails. You have done nothing but complaint. It's obnoxious and draining to everyone you come in contact with. There isn't one person who cant wait to have you out of our lives. I terminated Better Built Basements on June 7th, 2022, here are some of the details of my experience: - The demo crew was excellent in and out in a day and did a great job cleaning up - The electricians were very consultative in their approach to the project, providing input on lighting and outlet placements. - Framing was mediocre. Despite using laser equipment, one wall was wavy and the ceiling grid has a large gap. Pictures attached. - New steel stud framing and pre-hung doors should be dead on straight as an arrow instead, two of the doors has an aesthetically noticeable skew. - The replacement to an existing door resulted in using the wrong hinge set for the existing mortices, inclusive of color – all the other hardware is brass they used chrome. Picture attached. - 3 of the four doors were either chipped or cracked. BBB was notified before the ‘final’ paint job, but they failed to address the issue. - I returned home the day they applied joint compound to find glops of joint compound on the floor, which I tracked around my house, and glops on wood work on a floor where no work was occurring. Pictures attached - Following the flooring installation, they left garbage in my basement for 2.5 weeks, then did not take it when they came back – in frustration I disposed of it myself. - Many of joints on the ¼ round trim molding were caulked excessively to cover up sloppy miters. - Cracked switchhplate was not replaced. Picture attached. - Sub-contractors have sub-contractors, who seem to be able to sub contract – direct employees of BBB other than the demo and electrical were rare. BBB demands using a lock box, Many people have the combination, providing little sense of security over access to the home. Overall, BBB does a bad job communicating, managing expectations and fails to deliver on their stated objectives at best they are contractors not craftsman."

Lou Z on September 2022

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FAQs for basement waterproofing projects in Oakdale, CT

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 Oakdale, CT homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.