Top-rated basement waterproofing pros.

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Avatar for Groundworks-New Haven

Groundworks-New Haven

101 Powdered Metal Drive
5.00(
1
)
Approved Pro

Groundworks-New Haven

101 Powdered Metal Drive
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
26 local quotes requested

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.

158 Route 81
4.67(
184
)
Approved Pro

Budget Dry Waterproofing, Inc.

158 Route 81
4.67(
184
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
189 local quotes requested

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.

"Cayden and Rick installed a new bulkhead. They were prompt, courteous and hard working "

Tom E on July 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.

"Cayden and Rick installed a new bulkhead. They were prompt, courteous and hard working "

Tom E on July 2025


Avatar for Connecticut Basement Systems, Inc.

Connecticut Basement Systems, Inc.

33 Progress Avenue
4.80(
35
)
Approved Pro

Connecticut Basement Systems, Inc.

33 Progress Avenue
4.80(
35
)
Approved Pro
Customers say: Quick response
130 local quotes requested
38 years of experience

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


North East Development LLC

9 Compass Way
3.77(
13
)

North East Development LLC

9 Compass Way
3.77(
13
)
Customers say: Terrific value
36 years of experience

**We do not remove oil tanks*** 25 Years Experience with Gunite Built in Pools, Excavation, Drainage, Foundations, demo, grading, sewer, and water installation. Licensed and insured. Quality work with great prices. Call Joe today for a free assessment and proposal of the work you need done!

"After 2 1/2 years of not being able to secure a contractor willing to excavate or property we found Joe who told us, "No problem when do you want to start?" After receiving Joes quote we asked if he could build us a wall also. Joe stuck with us even after we were satisfied with the excavation. He encouraged to order gravel late on a Friday to finish up the site."

Victor B on September 2025

**We do not remove oil tanks*** 25 Years Experience with Gunite Built in Pools, Excavation, Drainage, Foundations, demo, grading, sewer, and water installation. Licensed and insured. Quality work with great prices. Call Joe today for a free assessment and proposal of the work you need done!

"After 2 1/2 years of not being able to secure a contractor willing to excavate or property we found Joe who told us, "No problem when do you want to start?" After receiving Joes quote we asked if he could build us a wall also. Joe stuck with us even after we were satisfied with the excavation. He encouraged to order gravel late on a Friday to finish up the site."

Victor B on September 2025




Advanta Construction

Unknown
No reviews yet

Advanta Construction

Unknown
No reviews yet
11 years of experience

Advanta Construction is an expanding company servicing the greater New York area. We are experienced in both commercial and residential projects. Our organization consists of our coordinated, client oriented office team and our crew of skilled craftsmen well practiced in many trades; including carpentry, plumbing, waterproofing, painting, and much more. Such a vast team allows us to provide for all of your construction needs.

Advanta Construction is an expanding company servicing the greater New York area. We are experienced in both commercial and residential projects. Our organization consists of our coordinated, client oriented office team and our crew of skilled craftsmen well practiced in many trades; including carpentry, plumbing, waterproofing, painting, and much more. Such a vast team allows us to provide for all of your construction needs.


Above & Beyond Contractors

180 Cook Hill Rd.
No reviews yet

Above & Beyond Contractors

180 Cook Hill Rd.
No reviews yet
12 years of experience

Family owned and operated, we perform all levels of building and remodeling. We offer start-to-finish solutions for every project. We also offer full design services. We specialize in interior or exterior home renovations, including bathroom and kitchen remodeling, home additions, garages and more! We guarantee high-quality construction for each and every project. Check out samples of our recent work, and you'll agree that we're the best choice for your home renovation project.

Family owned and operated, we perform all levels of building and remodeling. We offer start-to-finish solutions for every project. We also offer full design services. We specialize in interior or exterior home renovations, including bathroom and kitchen remodeling, home additions, garages and more! We guarantee high-quality construction for each and every project. Check out samples of our recent work, and you'll agree that we're the best choice for your home renovation project.


CT Home Specialist

Ste 809
4.88(
8
)

CT Home Specialist

Ste 809
4.88(
8
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We specialize in Roofing Siding and Solar ,we offer GAF Roofing as seen on this old house , We also install Owens Corning , IKO - Tamko - Landmark designer shingles . Also install roofing , Wood cedar and slate . Rubber roofing firestone and stone coated rolled roofing to match roof . We install vinylsiding monogram certianteed mainstreet and cedar impressions WE Change rotted wood such as overhags rakes t 11 cedar shakes We offer chimney repointing or rebuilding and trek and pressure treated decks sunrooms and porches Complete restorations and remodeling Fully insured ct licensed family business since 1990 in ct Residental Condos Apartment and Commercial buildings ctroof.org ctmetalroof.org www.jmj1.com * 860-394-9816 text for faster service windows carpentry siding bathrooms kitchens additions ctbaths ctnewroof ctmetalroof

"Jeff and his crew were fantastic. They did my roof and other work in a timely fashion. It was two days and I had an awesome roof. I would gladly hire them again since they offer a wide variety of services at excellent prices. Myron L"

Myron L on September 2023

We specialize in Roofing Siding and Solar ,we offer GAF Roofing as seen on this old house , We also install Owens Corning , IKO - Tamko - Landmark designer shingles . Also install roofing , Wood cedar and slate . Rubber roofing firestone and stone coated rolled roofing to match roof . We install vinylsiding monogram certianteed mainstreet and cedar impressions WE Change rotted wood such as overhags rakes t 11 cedar shakes We offer chimney repointing or rebuilding and trek and pressure treated decks sunrooms and porches Complete restorations and remodeling Fully insured ct licensed family business since 1990 in ct Residental Condos Apartment and Commercial buildings ctroof.org ctmetalroof.org www.jmj1.com * 860-394-9816 text for faster service windows carpentry siding bathrooms kitchens additions ctbaths ctnewroof ctmetalroof

"Jeff and his crew were fantastic. They did my roof and other work in a timely fashion. It was two days and I had an awesome roof. I would gladly hire them again since they offer a wide variety of services at excellent prices. Myron L"

Myron L on September 2023


Earthworm Septic and Excavation

Unknown
No reviews yet

Earthworm Septic and Excavation

Unknown
No reviews yet
Free onsite estimate

Sewer and drain services including inspection installation and repair of all pipes. All major credit cards accepted. 24/7 emergency services. We are licensed and insured "For Real" others claim it but we have both plumbing and sub-surface sewer licenses.

Sewer and drain services including inspection installation and repair of all pipes. All major credit cards accepted. 24/7 emergency services. We are licensed and insured "For Real" others claim it but we have both plumbing and sub-surface sewer licenses.

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Basement Waterproofing questions, answered by experts

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.

A sewage smell in your crawl space is usually from a damaged or clogged pipe leaking sewer gasses or actual sewage underneath your home, but there are some other common causes. Moisture, from poor or damaged encapsulation or a malfunctioning sump pump, can harbor mold and bacteria, causing a musty smell. Pests can also get stuck in your crawl space and die, which causes a sewage-like odor.

Venting the crawl space can be a good alternative to encapsulation if you live in a dry climate and the moisture problem isn’t severe. You could also try a dehumidifier or install a vapor barrier on the floor, leaving the walls exposed. A new drainage system may eliminate the moisture problem if it is not caused by humidity.

A crawl space encapsulation isn’t always necessary, but it’s a wise choice, especially if you live in an area that sees a lot of precipitation. Sealing a crawl space not only reduces damage caused by moisture, mold, and pests, but it also increases your home’s value. It can also save you money by reducing energy bills and avoiding costly repairs for structural or foundation damage.

Waterproofing or encapsulating protects against moisture, preventing mold growth and structural damage. These services also enhance energy efficiency and improve air quality by keeping humidity levels in check.

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The Pomfret, CT homeowners’ guide to basement waterproofing services

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