4.8 
76 *The Angi rating for Basement Waterproofing companies in Derby, 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 Derby, 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 August 02, 2026
Serving Derby, CT and surrounding areas
Approved
In business since 1997
Free estimates
Credit card accepted
"I had my basement waterproofed almost 3 years ago by them and I had no issues since then with the basement flooding regardless of how much it rains. I highly recommend using American Dry Basement!"
+7
Serving Derby, CT and surrounding areas
Approved
In business since 1987
Free estimates
Warranties offered
"Excellent, very professional crew, installed a new sump pump quickly . Very personable, clear explanation of all work"
+13
Serving Derby, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2005
Free estimates
Emergency services offered
"Came to finish digging out trench to install footing drains around basement area of house. The guys finished the job in 1 day. So far no leaks into basement."
Serving Derby, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2006
Free estimates
Emergency services offered
"Very friendly guys. They were understanding and worked with me and my partner for budgeting and getting our basement waterproof."
+37
Serving Derby, CT and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Absolute great company I highly recommend them for all your home improvement needs"
+1812
Serving Derby, CT and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 2025
Free estimates
Warranties offered
Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing
+16
Serving Derby, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2000
Free estimates
Emergency services offered
"Nixon was amazing. I never have good experiences with handymen but he was able to fix my front door, weatherproof my doors, and fix my dehumidifier basement issue that have been huge issues before now. He’s reliable and does a great job. Highly recommend!"
Serving Derby, CT and surrounding areas
Approved
In business since 1990
Free estimates
Small jobs welcome
"Vincent did an absolutely beautiful job on my cement and asphalt driveway. Their craftsmanship was top-notch. They finished the job quickly, and left the work area clean when they were not there. They stayed in touch throughout the process, and they take tremendous pride in their work. I have worked with hundreds of contractors over the years and these folks are among the very best and most reliable. Cannot say enough good things, also the prices were competitive, and they delivered a better quality of work than I would expect for a similar price."
+61
Serving Derby, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
"Nick helped me with a ground based solar project. He dug an electrical trench and laid the conduit. The town inspected and signed off on his work. Great communication, fair price, and precise execution of the work."
Serving Derby, CT and surrounding areas
Approved
In business since 2016
Free estimates
Credit card accepted
"Northeast Construction Solutions did an excellent job tuckpointing my chimney. They also installed a new concrete crown, and the finished work looks great. The crew was professional, efficient. I highly recommend them for anyone needing chimney repairs!"
From average costs to expert advice, get all the answers you need to get your job done.
Need to fix basement water problems or safeguard your home from damage in the future? Use this basement waterproofing cost guide to budget appropriately.
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