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Typical your area range for this kind of work, from regional averages — not a quote from Budget Dry Basement Waterproofing. 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
A basement that sometimes held half an inch of water, two years of research and quotes, then interior drainage with a sump pump: in a December 2024 Google review, the customer wrote that a huge storm with inches of rain put Budget Dry's install to the test, and the basement stayed completely dry. Budget Dry Basement Waterproofing in Killingworth holds 4.8★ from 512 Google ratings, and its website names Danbury and Killingworth as its service area. Recent reviews turn to the annual maintenance visits, and to Cayden, the technician on them. A September 2026 customer whose pump was 14 yrs old said Cayden told them it would eventually need replacing and sent an estimate on request; an August 2026 review says he serviced the sump pump and replaced the check valve. In July 2025, he fixed a leak in an 8-year old dehumidifier past its warranty, and a June 2025 customer said he extended a sump pump drainage line on a brutally hot day. A June 2025 reviewer wrote that the company quoted what was required, installed a pump with battery back-up in one day, and the quote matched the billing. There are complaints. A July 2026 customer who praised Cayden said the company did not tell them about a change in the warranty on an older system until the day of service, when they needed to buy a new one. An April 2026 Google reviewer said the company kept calling and leaving voicemails for years after being told no. In a March 2024 review, a customer said the 15’ of discharge pipe supplied created a retention pond in the back yard and the company refused to fix it. Angi and HomeAdvisor each show 4.7★ from 196 ratings, and its BBB grade is A+. The website offers free estimates. Its Connecticut home improvement contractor registration, HIC.0616126, is active.
“A recent addition to Killingworth, Budget Dry Basement Waterproofing, opened on Route 81 in the Killingworth commercial district, joining several new businesses readying to open in Town.”
Budget Dry has been maintaining my sump pumps and making sure the drain line remains unclogged. Cayden recently came out to perform the annual check-up. He did a great job. Communicated everything clearly. I would highly recommend Budget Dry.
Great service! After a miscommunication, the owner of the company came and was happy to service our dehumidifier. Highly recommend Thank you
Cayden was fabulous. Very informative on the issue we had and best way to fix it.
Personable & efficient.Good communicator & arrived on time!
Cayden did a great job maintaining our pump system
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1 change recorded — last scanned Oct 16, 2026.
One-day garage foundation rework4.3