BBB Accredited Business Profile

A.J. Waterproofing

A.J. Waterproofing

(610) 277-4443

A.J. Waterproofing

42 years in business
3774 Kratz Rd
Collegeville, PA 19426-1034
Fax Numbers
  • (610) 527-9444
Additional Phone Numbers
  • (610) 409-0825
  • (610) 409-0888
  • (215) 646-8883
Additional Email Addresses
BBB File Opened: 11/01/1985
Business Started: 01/01/1976
Type of Entity
Sole Proprietorship
Business Management
  • Mr. Anthony J. DiElsi, Owner
Business Category
  • Waterproofing Contractors
Service Area
We service the following area(s): BERKS County, PA, BUCKS County, PA, CHESTER County, PA, DELAWARE County, PA, PHILADELPHIA County, PA
Licensing, Bonding or Registration
This business is in an industry that may require professional licensing, bonding or registration. BBB encourages you to check with the appropriate agency to be certain any requirements are currently being met.
BBB accredited business



We have been in business for 40 years and we provide basement waterproofing, walls parging, sump pump installation, french drains, downspout corrections, outside grading and more to the entire Mainline and surrounding areas. 

BBB Reason for Ratings

BBB rating is based on 13 factors: Get the details about the factors considered.

Licensing information is provided in the BBB Business Profiles to inform the public about industries that may require professional licensing, bonding, or registration. Better Business Bureau encourages you to check with the appropriate agency to be certain any requirements are currently being met.
BBB promotes truth in advertising by contacting advertisers whose claims conflict with the BBB Code of Advertising. These claims come to our attention from our internal review of advertising, consumer complaints and competitor challenges. BBB asks advertisers to substantiate their claims, change ads to make offers more clear to consumers, and remove misleading or deceptive statements.
BBB reports on known significant government actions involving the business's marketplace conduct.
BBB reports on a company that is out of business for one year from the date the company closes its doors or ceases to do business.
BBB reports on unauthorized use of the Better Business Bureau's name and/or logo for as long as the business continues to use it in any advertising, or for one year after the business ceases any repeated unauthorized uses.
BBB reports on a business’s bankruptcy as long as the business remains in bankruptcy.
BBB reports when mail sent to the business was returned by the Postal Service.

A.J. Waterproofing

A.J. Waterproofing


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