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Best basement waterproofing pros near Boston, MA

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  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon26
    Verified basement waterproofing services reviews

Top-Rated Basement waterproofing pros in Boston - Updated Nov 2026

Avatar for Key Waterproofing Construction
Key Waterproofing Construction
4.6(
233
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - RepairBasement Drainage Channels - Install

Serving Boston, MA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2014

Free estimates

Warranties offered

"Stephen and Wendel's crew at Key Waterproofing Construction did an excellent job in waterproofing my basement with cement. They were extremely professional, and superfast. Completed the job in five hours, had a crew of six, to completed a foundation of 200 sq ft. The price was right and job was impeccable, crew left the site nice and clean."
Response time12 hrs
96 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Drycrete Waterproofing
Drycrete Waterproofing
5.0(
19
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Boston, MA and surrounding areas

Approved

In business since 1979

Free estimates

Warranties offered

"We had 4 basement waterproofing companies come into our home to do an assessment of our basement. We are updating our home and finishing our basement. Although we only had occasional and minor water leaks we wanted to protect our investment. Our time with Mike, Jason, and the rest of the team was professional and informative from the first moment. They were responsive with our estimate, fair with their pricing, and willing to answer our questions along the way. The crew arrived on time and ready to get the project started. We had a couple of large items that we needed help moving and they assisted so that we could keep the basement clean. The work that was performed was done so with care. The basement was kept as clean as possible, and our input was taken into consideration along the way. Hands down thankful for the experience and piece of mind that we now have."
Drain systems / Sump pump
On the job
Crew
3/4HP Pump
Sump pump

+9

Response time6 hrs
Response rate96%
Recommended by70%of homeowners
Avatar for New England Foundation Crack Repair, LLC
New England Foundation Crack Repair, LLC
5.0(
95
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Boston, MA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Paul the technician was great. He was professional and informative. I have some foundation issues in my basement and he was able to waterproof everything that was a problem for a decent price. Highly recommended"
Response time4 hrs
2 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for LEAL RESTORATION SERVICES INC
LEAL RESTORATION SERVICES INC
5.0(
9
)
Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Boston, MA and surrounding areas

Approved

In business since 2002

Emergency services offered

Warranties offered

"We hired Leal Restoration to clean up water damage on three floors of our house. They came early on a Saturday morning, worked all weekend and finished the job on Monday. This included drying out the area, removing debris, and replacing a ceiling. The work was done efficiently and carefully. Leal turned a disaster area into a clean and back to normal living space in 3 days. Amazing!"
Mold Removal 100% Done
Mold Removal  Services
Black Mold Services
Black Mold Services
Black Mold Inspection Services

+52

Response time4 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for LBJ Masonry
LBJ Masonry
5.0(
41
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Boston, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1997

Free estimates

Warranties offered

"I was really happy with the guys they made it very easy and done an excellent job. We had multiple leaks in our basement and they repaired the foundation and waterproofed it for us. Thanks again would highly recommend !!"
chimney repointed.
basement foundation leak repair.
exterior foundation repair
retaing wall build
chimney rebuild

+2

Response time4 hrs
Response rate97%
43 neighbors recently requested a quote
Avatar for Beacon Drain Service, LLC
Beacon Drain Service, LLC
5.0(
17
)
Basement Drainage Channels - Install

Serving Boston, MA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"They did a great job. They were able to use a small pump to pump the waste water out before replacing the broken pump. The other company wanted us to pay for a pump truck costing $600 before giving the estimate."
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Response time1 day
Recommended by93%of homeowners
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Basement Waterproofing FAQs, answered by experts

Before starting basement waterproofing in Boston, carefully review local permit requirements for exterior work and arrange a structural assessment, especially for historic homes. Contact utility providers to confirm safe digging, and always check underground lines before excavation. Request multiple quotes from Boston-based waterproofing specialists familiar with local soil and weather. If you share foundation walls, notify neighbors early. Scheduling work for spring or fall can help avoid weather-related setbacks.

Helpful?

In Boston, hidden costs during basement waterproofing often stem from uncovering foundation damage, unexpected moisture control needs, or the presence of hazardous materials like asbestos. Relocating gas or electrical lines and addressing foundation drainage issues can lead to additional expenses. You may also encounter fees for soil hauling, engineering reports, or required inspections, especially if drainage complications or emergency repairs arise during excavation.

Helpful?

Boston homeowners should consider the city’s high water table, clay-heavy soils, and frequent flooding risks from nor’easters or rapid snowmelt. If your property is in a historic district, review any preservation guidelines that may affect exterior work. Dense neighborhoods may require advance notice to neighbors, and combined sewer systems can impact drainage design. Reviewing local flood maps and insurance requirements is also essential for effective planning.

Helpful?

For Boston’s climate, prioritize freeze-thaw resistant waterproofing membranes, dimpled drainage boards, and polyurethane-based sealants for exterior protection. Indoors, install sump pumps with battery backup, high-capacity dehumidifiers, and vapor barriers for moisture control. For older stone foundations, flexible hydraulic cement works well. Always select materials rated for New England’s temperature swings and humidity to ensure long-lasting foundation drainage and protection.

Helpful?

Combining basement waterproofing with upgrades like foundation repair, insulation, or drainage improvements in Boston can streamline your project and reduce disruptions. Coordinating these tasks often means shared excavation and simplified permitting, saving time overall. It’s also wise to prepare for future basement finishing or enhance landscaping and exterior grading at the same time, maximizing your investment and improving long-term moisture protection.

Helpful?

The Boston, MA homeowners’ guide to basement waterproofing services

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