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Typical your area range for this kind of work, from regional averages — not a quote from All Dry Basement Systems. Use it to sanity-check bids, then get the real number in writing.
Not sure which you need? Start with an inspection — many reputable companies assess free, and independent assessments run up to $500.
The wall run getting the drain — a full 30×40 ft basement is about 140 ft.
Estimated range
$7,600 – $15,000
Typical waterproofing project around $11,300
All Dry Basement Systems is a basement waterproofing company whose stated service area runs from New Haven, Bridgeport and Stamford to Danbury, Westchester County and Putnam County. Its website lists interior and exterior French drains, sump pump installation, crawlspace encapsulation, foundation crack repair and dry well installation, and the company says it has been in business 15 years. A recent customer said Felipe and his crew installed two new windows with window wells and a battery backup for their sump pump, and sealed vertical cracks and weep holes. A recent customer said a complete sump install with outdoor downspout extensions took 3-4 days. A recent customer said Felipe and his crew installed a new drainage system in the basement and that Felipe answered all of their questions. A 2024 customer whose earlier waterproofing job had been botched by another contractor said Felipe identified a monolithic slab foundation that none of the other companies noticed. That 2024 customer said the crew wrapped their belongings in plastic, used dust removal systems while jackhammering, and did everything in 3 days. A 2024 customer said Felipe offered a full basement drain system or a smaller problem-area system, and they chose the full system. In that 2024 account, Alex, the crew lead, and his crew hung plastic sheeting in the hallway to keep dust out of the rest of the house and finished earlier than expected. A 2024 customer said the work was scheduled within two weeks, and that Alex and his men installed drainage and a sump pump inside and more drainage outside, finishing in one day. A 2023 customer said other quotes came in close to double the cost. Connecticut lists its home improvement contractor registration, HIC.0637752, as active, held by All Dry Basement Systems LLC.
I first used All Dry Basement in 2017 and have consistently and exclusively referred them to my friends and real estate clients. Felipe is super responsive, knowledgeable, and honest. They continue to earn well-deserved praise.
Felipe and his team were highly professional. They completed the job more quickly than originally anticipated and left our basement cleaner than it was when they arrived. I will definitely recommend them.
Felipe and his crew did a great job installing a new drainage system in my basement. Very professional and courteous, and Felipe patiently answered all my questions. Highly recommended.
Couldn’t give a higher recommendation for Felipe and his team. So communicative and very precise on the explanation for what/why we needed what we ended up having done. Took them 3-4 days total to do a complete sump install among outdoor downspout extensions. Nothing was missed and their cleanliness is top notch!
Great experience from start to finish! The waterproofing work was done professionally, and they took care of everything without me having to worry. The crew was reliable, thorough, and left everything clean when the job was finished. Their pricing was very reasonable, especially for the quality of work they provided. I highly recommend them to anyone looking for honest, dependable waterproofing services!
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1 change recorded — last scanned Oct 13, 2026.
Garage and basement flooding stopped4.1