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ALTA are dedicated to serving our customer's needs and our goal is 100% customer satisfaction.

Alta Waterproofing Strives to Impress and Satisfy


ALTA Waterproofing is a commercial waterproofing contractor specializing in the installation of building envelope membrane systems, parking garage and sport stadiums waterproofing systems.  Our scope of services include new construction, renovations, repairs and maintenance.  Essentially, Alta does everything water related except for roofing. Our service area covers the Mid-Atlantic region of Maryland, Washington, DC, Delaware, Virginia, and West Virginia.

ALTA's Experience Modification Rating (EMR) is 0.79. This excellent rating is due to our commitment to safety. All employees are continually and thoroughly trained in OSHA regulations and participate in the company's Drug Testing Program .

ALTA installs only materials of high quality and has a history of superior performance and quality. Alta is a certified installer of many manufacturer's products.

For over 6 years, Alta has been an accredited contractor with the ABAA (Air Barrier Association of America).

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