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Portsmouth Concrete Foundation Contractors

Browse these concrete foundation contractors with great ratings from Thumbtack customers in Portsmouth.

Sam I Am
from 79 reviews
  • 2 years in business
  • 114 hires on Thumbtack
Johanna H.
Verified review

This contractor was very thorough and knowledgeable, and kept me informed throughout the project. My foundation is now sealed, and my basement is free of leaks! I would hire Sam again if I have another project.

Kearley Masonry
from 77 reviews
  • 8 years in business
  • 93 hires on Thumbtack
John P.
Verified review

We are a 72 unit residential condo complex and had 5 trash dumpsters that were sitting in different locations around the complex sitting on crushed stone and surrounded by 6' stockade fence. We wanted to clean up the area so we contracted Kearley Masonry to pour concrete pads to place the dumpsters on. Stephen Kearley came in removed and disposed of the old fencing that enclosed the dumpsters, excavated, made the forms 10'x10', poured 5" of concrete over crushed stone with wire mesh cleaned the area and bridged the space between the existing driveways to the pad with cold patch to avoid a tripping hazard. I would highly recommend Kearley Masonry and use them again should there be a need for concrete or a mason on the property.

  • 28 years in business
  • 36 hires on Thumbtack
Colleen A.
Verified review

Paschal was very quick to respond to my inquiry. He stopped by the next day to take a look at my foundation project. He followed up by recommending a block instead of poured foundation. This saved me some money. He hasn't started yet, but I feel confident in choosing him.

Top Pro
Hoyt Masonry LLC.
from 24 reviews
  • 12 years in business
  • 32 hires on Thumbtack
  • Top Pro on Thumbtack
Beth T.
Verified review

We contacted Sean for what we thought would be an easy/quick fix on replacing some old brick front porch steps. Once he began working on removing them, it was clear that the steps had not been constructed well originally (no concrete/block foundation, but just gravel and dirt under the porch landing). Sean gave us options, and we decided to go with a combination of granite and brick. Sean created a beautiful pattern that's reminiscent of Frank Lloyd Wright, and now I think our front porch landing is the favorite part of our house. Beautiful work, and excellent communication (weather didn't cooperate so well!), and the result? Stunning. We'd definitely contact him in the future.

Mill City Restoration
from 24 reviews
  • 25 years in business
  • 39 hires on Thumbtack
Jennifer M.
Verified review

We hired Ray to renovate our unfinished basement into two bedrooms. We chose Ray because he offered to get us some needed ceiling height (of which other contractors wouldn’t even offer). Ray is meticulous in his approach to doing things right: From digging down our basement floor to get the height we wanted, to applying extra hydraulic cement and coats of foundation sealer to ensure our basement won’t leak, to leveling our staircase so we don’t feel like we’re falling when coming down the stairs. The renovation posed a lot of challenges which included budget/materials, broken dumpsters, and a deadline of finishing in time for a new baby. We made it through and are grateful. Our 2 daughters LOVE their new rooms and we couldn't be happier!

Gilbert P. Cartier
from 23 reviews
  • 38 years in business
  • 27 hires on Thumbtack
Darwin J.
Verified review

Gil repaired some concrete steps, walkway, and retainer wall. He was prompt in his correspondence and meticulous in his work. We'll certainly consider him for further projects.

G&B Construction
from 22 reviews
  • 47 years in business
  • 35 hires on Thumbtack
Kyle B.
Verified review

I hired G&B for a concrete slab project in my old garage. I received quotes from multiple contractors, but went with Bruno (company owner) because he not only had a very reasonable quote but also seemed very knowledgeable in the subject matter. Bruno's guys worked diligently to complete the project and took the time to clean up after themselves at the end of each day. I would highly recommend Bruno and his team for this type of work.

JL construction llc.
from 17 reviews
  • 9 years in business
  • 24 hires on Thumbtack
Qichao D.
Verified review

Jonildo and team rebuilt my front steps. He recommended to use granite. They also re-pointed part of my brick foundation. He is responsive to my requests. He finished the job on time with good quality. I like the finished work. I would hire them again.

Andover Stone
from 14 reviews
  • 12 years in business
  • 16 hires on Thumbtack
Thomas D.
Verified review

Sal did a great job for me. I had some cement footings that were in my way and Sal removed them. I would recommend him for your next job. Very professional, does the job in a timely matter. Thanks Sal Great Job!!

Top Pro
from 12 reviews
  • 10 hires on Thumbtack
  • Top Pro on Thumbtack
Verified review

The crew was on time, very hardworking, polite and thorough. They completed the job in a workmanlike manner and completely cleaned up the site when done. I would certainly recommend them and would use them again for my concrete work. Well done JJRR !!!

  • 36 years in business
  • 14 hires on Thumbtack
Claire B.
Verified review

repaired and painted 2 concrete walls and a set of concrete stairs.Powerwashed and painted 2 decks. Mike did an outstanding job!!! Personable and very fair price. We plan to hire him for all our future repairs.We recommend him without reservation. Claire & Bob

  • 4 years in business
  • 7 hires on Thumbtack
Mike K.
Verified review

Gary did significant masonry to my brick front steps and it looks like he did a great job. He removed and replaced cracked bricks and stone, raised up the landing so that the problem will be less likely to reoccur, and sealed off the area that was letting water in. When we first touched base he said it would be about five weeks before he could get to the job and his estimated timeline was exactly on point. He even offered to put up new pillars on my front steps that I had purchased at no additional charge, which was not something we had discussed, but it made sense to do it at the time since he had to remove the old ones anyhow to do the work. Bottom line: I would recommend him to anyone in need of solid masonry work.

Derek Leider Masonry
from 8 reviews
  • 7 years in business
  • 18 hires on Thumbtack
Ken M.
Verified review

I've hired Derek for a number of different masonry jobs (re-pointing chimneys, patios, and most recently a concrete floor in my basement. He does excellent work at a fair price. He has completed the jobs in a timely fashion and was a pleasure to deal with. I would highly recommend his work.

Eaton-Wood Designscapes
from 5 reviews
  • 5 hires on Thumbtack
James B.
Verified review

Ed was very responsive to text messaging which is my preferred method of communication. He was able to give a pretty spot on estimate off of pictures I sent him. Even came out to do the work on July 4th! Try to find another contractor that would do that. Did a great job with the work and have already hired him for a second job.

  • 9 years in business
Robin B.
Verified review

Concrete Repair Specialists was my third quote for an interior French drain installation in a house I just bought - by far the best price. No pressure in making the decision - no "specials" if I committed right away (both other high pressure quotes were given by salesmen). I liked the personal busy model - James gave me a quote, explained the project well and did the work himself exactly as promised. A very messy job was cleaned up like it never happened and any investment into finishing my basement is now protected. A couple of months later I needed foundation work on a vacation home that I was selling and James came through again. The before and after pictures are amazing and the new owners have piece of mind that the work was done correctly. They had another quote that was similar in price, but James had the knowledge of why their work plan was not the best option. The horizontal cracks were jeopardizing the integrity of the home - pins were placed alongside two walls and many significant cracks were all filled. The final coating made it look brand new. I recommend CRS to anyone who tells me they need foundation work done.

Drumcrew Masonry
from 2 reviews
    Elizabeth G.
    Verified review

    Chris did some repair work on our basement. He repointed a lot of stone work in the foundation and concrete layers, and very neatly sealed around the bottom of the foundation where it meets the drive. We were very happy with the work. Chris was honest and open about what could be achieved and therefore everyone's expectations were on the same page. The work was completed in a timely manner, and the basement and property left very clean and tidy. I would certainly hire him again for similar work.

    T&M Concrete Inc.
    from 1 review
    • 20 years in business
    • 1 hire on Thumbtack
    Tony P.
    Verified review

    My experience with Troy was great, but my fault, I needed a mason, Troy is Cement only.


    For your concrete jobs, big or small, "call Mike Paul"! We do residential and light commercial jobs.


    We are concrete and masonry contractors who have been doing business since 1991 covering all of NH. We do residential and commercial work. specializing in decorative concrete and masonry repairs.


    We do concrete foundations, concrete floors, concrete slabs, concrete frost walls, concrete driveways, concrete patios and decks, concrete pier foundations, concrete retaining walls, and concrete seawalls. We do both residential concrete and commercial concrete. We are fully insured, work comp. and liability. We serve Southern Maine, York county, ME., and Cumberland county, ME.


    We do poured foundations and floors, anything from a small addition to your home to a large new house or a commercial building. We can also do decorative concrete floors. There are many colors and patterns to choose from. And we can also help you with your excavation needs, including water and sewer lines. If you want your job done professionally and correctly, give us a call for an estimate. We have over 50 years in the business, still owned and operated by the same family.

    Hire skilled professionals for absolutely everything.