Top-rated basement leak repair pros.

Get matched with top basement leak repair pros in New Canaan, CT

There are 17 highly-rated local basement leak repair pros.

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  • Verified reviews icon93
    Verified basement leak repair services reviews

Find Basement leak repair pros in New Canaan

N.Z Home Improvement

4.99(
75
)
Approved Pro

N.Z Home Improvement

4.99(
75
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
7 years of experience

We are a full service remodeling company. We specialize in kitchen and bath, tile, carpentry, painting exterior and interior, general and basement remodels. Call us we are here to address all your remodeling needs.

"All our projects were completed competently and on time. Communication was excellent. Work was efficiently done and areas left clean. Workers are nice people."

Judy S on October 2024

We are a full service remodeling company. We specialize in kitchen and bath, tile, carpentry, painting exterior and interior, general and basement remodels. Call us we are here to address all your remodeling needs.

"All our projects were completed competently and on time. Communication was excellent. Work was efficiently done and areas left clean. Workers are nice people."

Judy S on October 2024


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
29 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 WEATHER-TITE WATERPROOFING INC.

WEATHER-TITE WATERPROOFING INC.

4.93(
92
)
Approved Pro

WEATHER-TITE WATERPROOFING INC.

4.93(
92
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
54 local quotes requested

Weather-tite Waterproofing is a family owned, full service basement waterproofing company that has been serving our customers since 1992.All work is performed by our trained,professional staff,never by sub-contractors.All inspections are done by owner after which you shall receive a free, written estimate.

"Excellent service. Courteous, prompt, clean, friendly and great attention to detail."

Shari M on July 2025

Weather-tite Waterproofing is a family owned, full service basement waterproofing company that has been serving our customers since 1992.All work is performed by our trained,professional staff,never by sub-contractors.All inspections are done by owner after which you shall receive a free, written estimate.

"Excellent service. Courteous, prompt, clean, friendly and great attention to detail."

Shari M on July 2025


Avatar for Dirty Deeds Basement Waterproofing

Dirty Deeds Basement Waterproofing

5.00(
4
)
Approved Pro

Dirty Deeds Basement Waterproofing

5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
18 local quotes requested

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


Avatar for Ron's Masonry

Ron's Masonry

4.96(
26
)
Approved Pro

Ron's Masonry

4.96(
26
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
34 local quotes requested

At Ron's Masonry, we pride our company on reliability, great communication, integrity 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 and will always keep you educated on your particular task or project. We look forward to earning your business.

"Job has been completed. They arrived as scheduled, performed the work requested and cleaned up excess materials and remaining debris from the job site. As a result of the great job done on the original project, we requested that Ron's Masonry undertake a second project. They again arrived on time and completed the second project in the timeframe specified and within budget."

Thomas C on September 2025

At Ron's Masonry, we pride our company on reliability, great communication, integrity 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 and will always keep you educated on your particular task or project. We look forward to earning your business.

"Job has been completed. They arrived as scheduled, performed the work requested and cleaned up excess materials and remaining debris from the job site. As a result of the great job done on the original project, we requested that Ron's Masonry undertake a second project. They again arrived on time and completed the second project in the timeframe specified and within budget."

Thomas C on September 2025


Avatar for JR General Contractor, LLC

JR General Contractor, LLC

4.83(
15
)
Approved Pro

JR General Contractor, LLC

4.83(
15
)
Approved Pro
Customers say: Quick response
15 years of experience
Free onsite estimate

JR General Contractor LLC, is committed to excellence 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. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Yes they did an excellent job"

Louise R on May 2025

JR General Contractor LLC, is committed to excellence 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. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Yes they did an excellent job"

Louise R on May 2025


Avatar for Connecticut Basement Systems, Inc.

Connecticut Basement Systems, Inc.

4.67(
141
)
Approved Pro

Connecticut Basement Systems, Inc.

4.67(
141
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
74 local quotes requested

Connecticut Basement Systems is your trusted expert for basement waterproofing, crawl space repair, basement finishing, and foundation repair. Using patented, warrantied products, we provide permanent solutions for your home. Have a wet, flooded basement or crawl space? Tilted or bowing foundation walls? A basement you want to finish? We have a solution. We proudly serve homeowners and businesses all throughout Connecticut & Westchester County, NY. Call us today for a free inspection and no-obligation, estimate. Financing available. Additional phones - (203) 881-5090. Award winning.

"Chuck Stofko was very informative. Was patient in answering all my questions. Spent along time with me reviewing the process and the steps needed to waterproof my basment. I highly recommend him."

Justin F on August 2023

Connecticut Basement Systems is your trusted expert for basement waterproofing, crawl space repair, basement finishing, and foundation repair. Using patented, warrantied products, we provide permanent solutions for your home. Have a wet, flooded basement or crawl space? Tilted or bowing foundation walls? A basement you want to finish? We have a solution. We proudly serve homeowners and businesses all throughout Connecticut & Westchester County, NY. Call us today for a free inspection and no-obligation, estimate. Financing available. Additional phones - (203) 881-5090. Award winning.

"Chuck Stofko was very informative. Was patient in answering all my questions. Spent along time with me reviewing the process and the steps needed to waterproof my basment. I highly recommend him."

Justin F on August 2023


Avatar for Better Home Improvements, LLC

Better Home Improvements, LLC

4.92(
104
)
Approved Pro

Better Home Improvements, LLC

4.92(
104
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
13 local quotes requested

Better Home Improvements LLC - A+ RATED BY THE BETTER BUSINESS BUREAU. Award winning BEST CONTRACTOR: 2020 - 2021 - 2022 - 2023 Home Advisor Network! We are your premier choice for professional home repairs and maintenance projects. We have provided high quality work and friendly customer service for over 15 years. We take pride in our work, and can handle requests from roofing, siding, gutters, flagstone, masonry to fencing, decking, pergolas, basement/attic finishing, painting, tree care and much more. We work hard to provide the best service possible with integrity and accountability and constantly strive to exceed our customer’s expectations. We would love to help you with your next project! Give us a call today! Rob O'Keeffe & Sons Cell - 203.723.3003

"Working with the owner was easy and the team came in quickly and did nice work."

Jeff C on October 2024

Better Home Improvements LLC - A+ RATED BY THE BETTER BUSINESS BUREAU. Award winning BEST CONTRACTOR: 2020 - 2021 - 2022 - 2023 Home Advisor Network! We are your premier choice for professional home repairs and maintenance projects. We have provided high quality work and friendly customer service for over 15 years. We take pride in our work, and can handle requests from roofing, siding, gutters, flagstone, masonry to fencing, decking, pergolas, basement/attic finishing, painting, tree care and much more. We work hard to provide the best service possible with integrity and accountability and constantly strive to exceed our customer’s expectations. We would love to help you with your next project! Give us a call today! Rob O'Keeffe & Sons Cell - 203.723.3003

"Working with the owner was easy and the team came in quickly and did nice work."

Jeff C on October 2024


"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 Omega Development LLC

Omega Development LLC

4.67(
12
)
Approved Pro

Omega Development LLC

4.67(
12
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
193 local quotes requested

At Omega Development LLC, we bring your home improvement dreams to life with precision, quality, and craftsmanship you can trust. Our licensed and insured team specializes in home renovations, custom construction, kitchen and bathroom remodeling, additions, and exterior upgrades. With years of experience in the residential construction industry, we pride ourselves on delivering exceptional results, honest communication, and dependable service—from the first consultation to project completion. Whether you’re looking to modernize your space, increase your property value, or build your dream home, Omega Development LLC is your trusted partner for reliable, high-quality construction solutions. ✅ Our Services Include: Full Home Renovations & Remodels Kitchen & Bathroom Remodeling Home Additions & Basement Finishing Roofing, Siding & Exterior Improvements Custom Home Builds & Design-Build Services & more...

"I recently had an asphalt driveway put in. The crew was very professional. The driveway is smooth and very happy with the quality of the new driveway. They even went above and beyond and put in a small drainage area for water runoff. It has definitely improved the appearance of my home."

Elaine A on February 2025

At Omega Development LLC, we bring your home improvement dreams to life with precision, quality, and craftsmanship you can trust. Our licensed and insured team specializes in home renovations, custom construction, kitchen and bathroom remodeling, additions, and exterior upgrades. With years of experience in the residential construction industry, we pride ourselves on delivering exceptional results, honest communication, and dependable service—from the first consultation to project completion. Whether you’re looking to modernize your space, increase your property value, or build your dream home, Omega Development LLC is your trusted partner for reliable, high-quality construction solutions. ✅ Our Services Include: Full Home Renovations & Remodels Kitchen & Bathroom Remodeling Home Additions & Basement Finishing Roofing, Siding & Exterior Improvements Custom Home Builds & Design-Build Services & more...

"I recently had an asphalt driveway put in. The crew was very professional. The driveway is smooth and very happy with the quality of the new driveway. They even went above and beyond and put in a small drainage area for water runoff. It has definitely improved the appearance of my home."

Elaine A on February 2025

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Basement Leak Repair questions, answered by experts

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 most challenging part of finishing a basement is addressing moisture control. Basement waterproofing is an essential task that requires a professional’s skills and knowledge. If you don’t properly waterproof your finished basement, it’ll be vulnerable to dampness, water damage, and mold growth. Ensuring proper insulation and ventilation to combat these issues while meeting building codes adds complexity to your remodeling project.

Water that pools on concrete indicates a low spot somewhere on your driveway. You can level the slab with a concrete patching compound to help redirect water. You can also install drainage over existing concrete by digging out enough space for a channel drain or French drain or by adding a culvert below the slab.

When considering finishing your basement, take into account a few pros and cons:

Pros

  • Can increase the value of your home

  • Separate space from the rest of the house 

  • Customize and personalize the basement to suit your needs and style

  • Increase the amount of living space in your home

Cons

  • May not regain enough value to cover the cost of finishing

  • Lack of natural light if it’s below ground level

  • Moisture or flooding can cause costly damage

  • Installing plumbing and electrical can be messy and costly

The four most common types of stormwater drainage systems are ditches, catch basins, french drains, and slot drains. Ditches are open trenches designed to reroute stormwater off your property. Catch basins are connected to your local sewage system. French drains are great for keeping water out of your foundation, and slot drains are low-capacity drain systems that work best with light storms.

The New Canaan, CT homeowners’ guide to basement leak repair services

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