Get matched with top basement waterproofing pros in Portland, CT
There are 4 highly-rated local basement waterproofing pros.
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TRUSTED BY PORTLAND, CT HOMEOWNERS
4.7 Average homeowner rating
76 Verified basement waterproofing services reviews
Verified Reviews for Basement Waterproofing pros in Portland, CT
*The Angi rating for Basement Waterproofing companies in Portland, CT 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 Portland, CT 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 November 01, 2025
Find Basement waterproofing pros in Portland
Connecticut Basement Systems, Inc.
33 Progress Avenue
Connecticut Basement Systems, Inc.
33 Progress Avenue
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
38 years of experience
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
Groundworks-New Haven
101 Powdered Metal Drive
Groundworks-New Haven
101 Powdered Metal Drive
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
30 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
Eastern Waterproofing Co., Inc.
PO Box 504
Eastern Waterproofing Co., Inc.
PO Box 504
Super Service Award
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
42 local quotes requested
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
Budget Dry Waterproofing, Inc.
158 Route 81
Budget Dry Waterproofing, Inc.
158 Route 81
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
138 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 was very professional and polite. This visit was for yearly Maintence of my sump pump. "
Bernadette H on October 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 was very professional and polite. This visit was for yearly Maintence of my sump pump. "
Bernadette H on October 2025
Connecticut Basement Systems, Inc.
33 Progress Avenue
Connecticut Basement Systems, Inc.
33 Progress Avenue
Customers say: Quick response
144 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
Michael's Paving and Masonry Inc
611 Farmington Avenue
Michael's Paving and Masonry Inc
611 Farmington Avenue
112 local quotes requested
Family owned business with over 15 years of experience - Concrete - Pouring & Repair, Driveways - Asphalt, Masonry.
Family owned business with over 15 years of experience - Concrete - Pouring & Repair, Driveways - Asphalt, Masonry.
Rudolph Renovation
62 Wheaton Road
Rudolph Renovation
62 Wheaton Road
4 years of experience
Rudolph Renovation is a family owned commercial and residential general construction company established in 2021. We specializing in home remodeling, General Carpentry, Drywall and Taping, Kitchen and Bath Remodeling, Tiling, Windows and Door installations. We are fully Insured and Licensed. Please reach out to us for a free estimate."
Rudolph Renovation is a family owned commercial and residential general construction company established in 2021. We specializing in home remodeling, General Carpentry, Drywall and Taping, Kitchen and Bath Remodeling, Tiling, Windows and Door installations. We are fully Insured and Licensed. Please reach out to us for a free estimate."
"Everything was perfect from start to the finish thank you again John."
Harvey P on October 2025
"Everything was perfect from start to the finish thank you again John."
Harvey P on October 2025
Black Diamond Industries LLC
253 Catherine Dr., Rockyhill CONNECTICUT 06067
Black Diamond Industries LLC
253 Catherine Dr., Rockyhill CONNECTICUT 06067
Free onsite estimate
Hi we are a company that specializes in drainage and waterproofing, if u have water coming down your backyard or in to your basement well you came to the right place, we offer many services and all different types of drainage
Hi we are a company that specializes in drainage and waterproofing, if u have water coming down your backyard or in to your basement well you came to the right place, we offer many services and all different types of drainage
Basement Waterproofing questions, answered by experts
The Portland, CT homeowners’ guide to basement waterproofing services
From average costs to expert advice, get all the answers you need to get your job done.
Crawl space repair costs can seem intimidating, but putting them off can lead to bigger issues. Learn about repair costs in this guide to set your budget.
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.
Sump pump battery backup costs depend on the type and the design of the system purchased. Follow this guide to learn how to budget for your backup battery.
Even when you've properly installed your sump pump, flooded basements are not uncommon. Here's why you could still get into hot water.
Knowing how to unclog a sump pump saves you from flooding headaches and wallet woes. Hone your DIY plumbing skills and follow this step-by-step guide.
Before investing in a pricey vapor barrier, does crawl space encapsulation add value to your home? The answer is a little more complicated than you expect.
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