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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon65
    Verified foundation repairs reviews

Top-Rated Foundation repair specialists in Mendon - Updated Nov 2026

Avatar for New England Foundation Crack Repair, LLC
New England Foundation Crack Repair, LLC
5.0(
95
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationPoured Concrete Wall - Repair

Serving Mendon, MA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"NE Foundation Crack Repair did a full repoint of our late-1800s basement (which looked like it hadn't been done ever!). Staff were super responsive during estimate and project processes. Cost was reasonable. What I appreciated most was how communicative and respectful the guys who completed the job were. Overall, we are so happy to have used this company."
Response time4 hrs
2 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Avalon Masonry and Construction
Avalon Masonry and Construction
4.8(
53
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - Repair

Serving Mendon, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Warranties offered

"I required some repairs to the masonry of a granite and cinderblock foundation. James is pleasant, clearly explains the work that he intends to do, and shows the results when finished. He fit my work into his schedule and his crew completed all the repairs within a few days. He and his crew removed all the debris when finished. He also adjusted his schedule to address some additional repairs that were previously unnoticed. I highly recommend James and his company."
Response time4 hrs
Response rate100%
109 neighbors recently requested a quote
Avatar for Republic Masonry
Republic Masonry
5.0(
23
)
Concrete Foundation - RepairPoured Concrete Wall - Repair

Serving Mendon, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"Henry repaired both corners on both sets of stairs on my property he made it match the original design and also fixed the bottom of the steps. He fixed my landing making it more comfortable to get in and out of my home and also painted the entire steps after pressure washing everything. He went above and beyond and kept me updated along the way. He was kind and professional."
10x14 Concrete Patio
10x14 Pour Day
The Next Day
10x14 Concrete Patio
Clients Review

+2

Response time7 hrs
Recommended by65%of homeowners
Avatar for Pioneer Basement
Pioneer Basement
4.5(
265
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairConcrete Foundation - Raise+1 more

Serving Mendon, MA and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"Wow! Unbelievable! If we ever have a water problem again, Pioneer will be the only waterproofing company that we call. We were getting some water in our basement which has a stack-stone foundation and radiant floor heating. We interviewed three companies and were particularly concerned about a solution that would stop the water without compromising the radiant tubes that were in the floor. Initially, Pioneer recommended a baseboard system that would run along the outside of the wall. Upon inspection, Mike Oliveira discussed a traditional drain to sump pump solution. We reiterated our concern about puncturing a tube in the floor and Mike assured us that he and his team would hand chisel potential problem areas to avoid the tubing. Moreover, this solution would save us roughly $2K and give us a lifetime guarantee vs. a 25 year guarantee on the baseboard system. The team showed up on time, cleared a 50' span of concrete by Noon, uncovered two sections of radiant tubing without puncturing the line, installed the moisture barrier, sump pump and new concrete by 4 p.m. They had to drill through a hefty header board to connect the pump line to an existing drainage line that carries water away from home and that was completed by 5:30 p.m. Mike came back in a week and we tested the fix using free-flow from our sprinkler system -- it worked perfectly. Subsequently we've had some consistent spring rain and absolutely no water in the basement. The team (including sales, service, billing, installation) was professional, courteous and available when we had questions. They saved us money, fixed our problem and provided a lifetime guarantee. We're both ecstatic and amazed!"
Additional Photos
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Additional Photos

+5

Response time2 days
4 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Ram Jack New England
Ram Jack New England
3.9(
14
)
Concrete Foundation - RaiseConcrete Foundation - RepairPoured Concrete Wall - Repair

Serving Mendon, MA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"First impressions...courteous salesman, but given wrong time frame for work completion.... Customer Service....I called and was given a completion date that was about a month different than the salesman's date....BUT... I was called back by Customer Service (Tiffany) and given a new date that was only a day later than she called.... soooooooooo.... realizing that the weather and the holidays played a role in missing the initial date, I can now say that I'm very happy with the workmanship and professionalism of the whole RamJack New England experience. As it's only been 1 day since the work was done, I'm hopeful that the foundation crack problem has been solved. Time will tell."
Seawall and bulkhead
Pool deck stabilization
Garage slab stabilization
Front porch slab recovery
Boat ramp repair

+11

Response time2 days
Response rate90%
96 neighbors recently requested a quote
Moisture Barrier Systems
4.0(
33
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Mendon, MA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"Rick was reasonably priced and did a great job in repairing the crack and leak in my basement foundation wall. He showed on time, was personable, and completed the job in 2 hours, as promised. Would highly recommend him to anyone in need of this kind of foundation repair."
Efflorescence
Finished Crack Repair
Repaired Crack
Wall Crack Before Repair
Wall Crack

+8

Response time5 days
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Stone Works Construction
Stone Works Construction
4.7(
71
)
Poured Concrete Wall - RepairConcrete Foundation - Repair

Serving Mendon, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Warranties offered

"Cleber and team did an excellent job on repair of front brick steps (Nov 2019). He stands behind 100% customer satisfaction for his work and immediately returned for some minor rework. I highly recommend this company."
Walk
Stone wall
Patio
Patio
Drive way

+7

Response time4 hrs
Response rate89%
11 neighbors recently requested a quote
Avatar for Mastercraft Waterproofing, LLC
Mastercraft Waterproofing, LLC
4.8(
49
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationPoured Concrete Wall - Repair

Serving Mendon, MA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"If I could give this company 10 stars I would. Rob was courteous, prompt, efficient, and knowledgeable. He took the time to explain every detail every step of the way. His company 's pricing is very competitive and they give a phenomenal warranty on their work. I highly recommend this company.â­ â­ â­ â­ â­"
Cover Joint
Floor Complete
Sump Basin and Drain
Drain installed
Pipe

+2

Response time1 day
Response rate97%
12 neighbors recently requested a quote
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Foundation Repair FAQs, answered by experts

You can strengthen a weak foundation using a few different foundation repair methods, including underpinning, slab jacking, foam jacking, installing carbon fiber support strips, or using a sealant or epoxy crack injection. It’s worth noting that the best way to strengthen your foundation permanently is to fix the underlying issue first and then use a permanent solution to reinforce it. If you’re unsure who to call for foundation repairs, a foundation repair contractor or structural engineer can help find the best solution for your home.

Around 25% of homes have foundation problems - it’s a very common issue. Foundation problems can range from very minor to severe and urgent. Call a foundation inspector to determine the severity of any potential issues you identify with your foundation.

Regularly inspecting your foundation—at least the visible sections—for signs of foundation issues like moisture and pest infestation is a good way to identify slab leaks early, as is keeping an eye and ear out for water damage to indoor building materials, above-average water bills, sounds of running water when no fixtures or appliances are on, and indoor humidity that causes the temperatures to feel more extreme. If you do find any issues, contact a plumber right away to check it out for you.

Concrete pools are very durable but can crack if not properly maintained. The most significant risk is winter weather and low temperatures when water can seep into crevices and freeze. To avoid damage, use the proper winterization chemicals, and don’t completely drain your pool. Concrete pool repairs cost around $75 per linear foot for small cracks.

Whether or not repairing your foundation is worth it before selling depends on the extent of the damage, the cost of the foundation repair, and your timeline for relocating. If the damage is major or structural in nature, chances are you’ll sell at a higher price if you take care of the problem beforehand. You should consider the cost of the repair first, though, as laying out thousands might not be possible with your budget. Additionally, if you’re in a rush to relocate, you might want to repair before selling so as not to limit your buyer pool.

The Mendon, MA homeowners’ guide to foundation repairs

From average costs to expert advice, get all the answers you need to get your job done.