Basement Waterproofing Waltham MA

Basement Waterproofing

Wet or Moldy Basement?

We Can Permanently Eliminate Your Water Issues

30 Years Experience  |  Free Inspections  | Locally Owned

30 Years Experience 

Licensed & Insured

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Basement Search Landing Form

For a Dry, Healthy Basement Call (617) 586-3777 for a FREE Inspection Today!

For a Dry, Healthy Basement

Call (617) 586-3777 for a

FREE Inspection Today!

Basement Waterproofing Specialists

Say goodbye to water damage! Keystone Masonry & Chimney is your trusted, local partner in basement waterproofing for over 30 years. Protecting your home and your family from water damage is our top priority. Our expert waterproofing team is ready to help your create a dry, safe and healthy environment for your family.

Why Choose Basement Waterproofing?

Water intrusion in your home's basement can lead to costly damage, structural issues and mold growth that can affect the quality of air in your home and decrease livability. Our basement waterproofing solutions not only safeguards your investment, but ensures your home remains a safe haven for year to come for you and your family.



Signs You Need Basement Waterproofing

  • Musty Odors or signs of mold
  • Efflorescence on walls (a white, chalky residue)
  • Persistent dampness or water puddles in basement
  • Cracks in foundation walls or floors
  • Peeling paint or water stains

Save $1,000 Off

Basement Waterproofing Project

*Terms and conditions apply. Must present coupon at time of inspection; cannot be combined with any additional offers.

(617) 586-3577

(617) 586-3577

Interior Basement Waterproofing

Sump Pump Installation:

Reliable systems to collect and pump water away from your foundation.


Interior Drainage Systems:

Efficient french drains to redirect water and prevent pooling.


Vapor Barrier Installation:

Vapor barriers help protect your basement walls from moisture seepage and mold.

Basement Waterproofing Waltham MA
Foundation Repair Waltham

Exterior Basement Waterproofing

Foundation Waterproofing:

Our process includes the application of durable waterproof coatings and membranes to block water penetration.


Excavation and Drainage Solutions:

We will address exterior water flow and foundation drainage issues.


Sealants and Crack Repairs:

Our team will identify foundation cracks and seal them to prevent water from entering your basement.

Waltham Basement Waterproofing

Basement Waterproofing Services:

  • Basement Waterproofing
  • Basement Flooding
  • Basement Crack Repairs
  • Basement Damp Proofing
  • Basement Repointing
  • Basement Stucco
  • Garage Damp Proofing
  • Crawl Space Repair
  • Sump Pump
  • French Drains
  • Egress Windows


Basement Waterproofing Services:

  • Basement Waterproofing
  • Basement Flooding
  • Basement Crack Repairs
  • Basement Damp Proofing
  • Basement Repointing
  • Basement Stucco
  • Garage Damp Proofing
  • Egress Windows
  • Crawl Space Repair
  • Sump Pump
  • French Drains


Learn More About

Keystone Masonry and Chimney

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