About Us

Guardian Basement Waterproofing is a leader in the waterproofing industry with more than 32 years of experience serving the Maryland, Washington DC, and Pennsylvania areas. Guardian’s skilled and knowledgeable technicians install state of the art basement waterproofing systems that completely and permanently stop foundation water leaks. Guardian specializes in basement waterproofing, basement finishing, crawl space waterproofing repair and foundation repair in Baltimore, Anne Arundel, Carrol, Harford and Howard County. Let our company handle your basement waterproofing needs.

Yes, You Can Have A Dry Basement!

If you are experiencing a wet basement, our carefully selected experts can advise you in in the following areas:
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Why Choose Us?

  • We are Fully licensed, bonded and insured.
  • Member of the Better Business Bureau since 1995.
  • A+ rating with the Better Business Bureau.
  • Low Price Guarantee.
  • Lifetime Guarantee on our work.
  • Low Rate Financing Available
  • Our Technicians are certified by the Aerosol Monitoring & Analysis, Inc., and American Council for Accredited Certification

Our Services

  • Commercial and Residential Basement Waterproofing throughout Baltimore and surrounding areas
  • Mold remediation.
  • Battery back-up installation.
  • Stairwell drains.
  • French drains.
  • Repair crack walls.
  • Flat concrete floors.
  • Installation of drain tile systems.
  • Sump Pump Installation.
  • Foundation excavation and crack repairs.
  • Repair and reinforcement of foundation walls.