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Avatar for Pioneer Basement
Pioneer Basement
4.5(
264
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Williamstown, MA and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"They advice, and had all our questions answered on sensible and affordable options. Very knowledgeable, prompt, polite, efficient, and thorough team! We are happy with their waterproofing services in our basement (fast sump pump and a grate trench with a discharge line that goes 15 feet to the outside bubbler) as well as crawl space shield installed under our addition. It works well, and Pioneer checked a month later and a year after for inspection and cleaning. A+ work and workers."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

Response time2 days
7 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Advanced Basement Waterproofing LLC
Advanced Basement Waterproofing LLC
5.0(
5
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - Install

Serving Williamstown, MA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs.\nIt is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project.\nIn order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer \nin a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Knell walls
Knee Walls
After
Before
Concrete Work

+1

314 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
5.0(
5
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Williamstown, MA and surrounding areas

Approved (Corporate)

In business since 2019

Free estimates

Warranties offered

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Foundation
Foundation
Foundation
Foundation
Foundation

+14

369 neighbors recently requested a quote
Avatar for TMS Dryer Vent Cleaning
TMS Dryer Vent Cleaning
5.0(
20
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Williamstown, MA and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"We recently had a radon system installed. Thomas was easy to work with, reliable and seemed deeply knowledgeable about radon and radon systems. The process went as described and the basement radon reading decreased in the first few days and has stayed reduced. We had the system installed over a month ago, but I wanted to be sure to give a review."
Before cleaning readings
post cleaning of the exhaust tube
Exterior Cover
Damaged exterior cover
After cleaning reading

+40

Recommended by80%of homeowners
Avatar for The BullBag
The BullBag
5.0(
15
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Williamstown, MA and surrounding areas

In business since 2001

Credit card accepted

"IT was great! I have never had a problem working with this company. The people (from the customer service reps to the billing to the drivers) have all been honest and realistic with expectations, answered all of my questions and never charged me more than what is advertised on their website. Patricia and Victoria have gone out of their way to return my many phone calls on the weekends too. You just don't get customer service these days anymore like the bullbag provides.They came when they said they would, did what they said they would do and did it professionally and pleasantlly. It is a pleasure working with such an honest and reputable company. Especially since the dumpster industry has not been know for this! These guys are definitely setting the bar high for all their competition."
The BullBag truck in MA
The BullBag truck in NY
Toys for Tots
Recommended by100%of homeowners
Ranieri Construction Inc
4.6(
84
)
Basement Drainage Channels - Install

Serving Williamstown, MA and surrounding areas

In business since 1973

Free estimates

Emergency services offered

"Can I give A++ ratings? I contacted this company based on good ratings on Angie’s List and a visit to homeowners who had worked with the Ranieris. I was thrilled that they cared about the price and a superior result. They showed up, had thought out the plan well and did the work daily. They coordinated with subs. And they did all of this with good nature regardless of the heat and humidity or pop up issues. They stand by results with utmost integrity. My pool looks fabulous and we are very happy. I would hire them again always."
Recommended by97%of homeowners
Avatar for Waterman Paving
Waterman Paving
4.3(
28
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Williamstown, MA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Very thankful to have had Patrick & his team help out with some (much needed) landscaping to improve drainage in our yard. A Professional, efficient, stress-free experience. I look forward to having them return for any future projects, and would be confident in recommending them to anyone seeking assistance with a similar job(s)."
pavement
pavement
pavement
pavement
pavement

+7

Response time11 hrs
Recommended by91%of homeowners
Showing 1-10 of 36
Basement Waterproofing questions, answered by experts

Physically, the most challenging part of finishing a basement is installing egress windows or doors when the space is below ground level. Mentally, the hardest part may be envisioning the project and planning around load-bearing and mechanical obstacles.

A plastic vapor barrier should completely cover your basement to prevent water from penetrating through the walls. This typically goes before installing insulation to prevent moisture from building up and becoming trapped on the inside of your insulation, where it can collect and lead to mold damage. Installing insulation after the vapor barrier allows for any moisture to exit the walls for better ventilation.

Several factors can impact the cost of waterproofing your basement. Some of the most common cost factors include:

  • Location

  • Square footage

  • Cause of the water leak

  • Type of foundation

  • Accessibility

  • Waterproofing method

  • Materials

  • Contractor experience and availability

  • Engineering reports, if needed

  • Structural and other repairs

  • Permits

Since basements are prone to water and moisture issues and the resulting problems can be expensive to repair and potentially damaging to your home, basement waterproofing is almost always worthwhile. Even for homes that haven’t experienced water infiltration, waterproofing the basement is insurance against facing expensive repair bills in the future. All basements will leak at some point, so fixing drainage issues and taking steps to prevent moisture and water infiltration is wise.

The best type of basement ventilation system depends on your budget, the moisture in your basement’s air, and the types of windows you have down there. You should consider all of these factors when choosing a ventilation system. However, the most effective method for basement ventilation is an energy recovery ventilator (ERV) or a whole-house ventilation system, which preheats or precools incoming air from the outside while also managing water vapor.

The Williamstown, MA homeowners’ guide to basement waterproofing services

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