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A finished basement that stayed dry through a few storms: that is what a 2024 Google customer reported after M & K Waterproofing and Caulking LLC did the work. That customer said the crew arrived early and did lots of show and tell, and the walls were left open through spring 2024 to see how the work held before they were closed up. A 2024 customer said M&K fixed foundation cracks and waterproofed their basement, and moved its schedule around when the work was needed soon. A 2024 customer said a simple bulkhead replacement led to the discovery of fractures in the bulkhead stairs and walls and degradation of the cove joint around half of the foundation; that customer said each issue was explained and the quotes were not deviated from. A 2024 customer having new front steps installed said M&K repaired a foundation crack that turned out to be more than first thought, without charging extra, and showed up the day after a day of rain to start the pad. A 2024 customer said Mike and Kelly run the business, and that Mike resurfaced and reinforced the concrete of a bulkhead stairway where water was seeping in. A 2024 customer wrote that their father used the company for a garage floor, called the result unfortunate, and said he could not get them to fix it.
My simple bulkhead replacement (which was done efficiently and well) turned into the discovery of fractures of the bulkhead stairs/walls and degradation of the cove joint around half of my foundation. Each issue that came up was explained thoroughly and clearly. I was given options on how to proceed as well explicit and accurate quotes that were not deviated from. Communication was always clear, prompt and friendly. Work was done in a timely manner and I always felt that my satisfaction with the work was a top priority. I’m thrilled with the work that has been done. I know they would be here ASAP if I had any concerns. I cannot say enough positive things about this company. A+ all the way around.
We are having some new front steps installed. After having the old steps demoed we found a nice big crack in the foundation. We also needed to have a pad put down for the new steps. M&K came out to my house and took some measurements and inspected the crack. Once I got them the measurements for the steps they were able to send me an estimate. The price was very fair and I booked a date for the work to start. They arrived on time and after a brief discussion they got right to work on repairing the foundation. After they did a closer inspection of the crack, they found that it was more than originally thought. They went above and beyond to make sure the repair was done properly. On top of that I wasn’t charged any extra. The following day they were supposed to come and start the pad. Well Mother Nature had other plans and rained all day. They kept me informed about pouring concrete in the rain so I agreed to have them come when it’s not raining. They promptly showed up the day after the rain to start in the pad. This team is very knowledgeable on the repair and pad work. They perform high quality work and are very professional.
Mike and Kelly run a top-notch business! Mike does excellent work. He is very meticulous and clearly explains what he is doing and why. Kelly communicates about the steps in process efficiently. I never felt like I didn't know what would be happening and when. They always showed up as planned. Mike and Kelly are trustworthy, honest, and personable professionals. Working with them is a pleasure! My bulkhead looks great! THERE''S MORE!: Mike just finished part two of my bulkhead repair. Water was seeping in through the stairs. He resurfaced and reinforced the concrete and now the stairs look perfect! He even gave me lovely pads for the steps. I won't have to worry about flooding anymore! Once again, excellent work and service. Thanks to Mike and Kelly! I highly recommend them!
M&K were excellent to work with! They were professional, knowledgeable, organized, and easy to connect with. They fixed foundation cracks and waterproofed my basement - taking a stressful situation and making it easy. They worked quickly and effectively! When I needed the work done soon, they moved their schedule around to accommodate that need. Overall, so grateful for their help with my home! Couldn’t recommend any higher.
Awesome work! They are amazing with communication and the work is great. Mike went above and beyond and he's so nice. I would most definitely refer them to my friends and family. Highly recommended!!!
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2 changes recorded — last scanned Oct 30, 2026.
Typical New Hampshire range for this kind of work, from regional averages — not a quote from M & K Waterproofing and Caulking LLC. 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
$6,700 – $13,200
Typical waterproofing project around $9,950
