For over 25 years, Northern Waterproofing and Restoration has achieved an excellent reputation in the specialized masonry restoration business. In that time, we have achieved our success based on our strong commitment to quality service, dependability, performance, and the realization that the customer is the most important asset in our business. Northern Waterproofing & Restoration serves the greater Philadelphia, New Jersey, Delaware, Maryland and Northern Virginia areas. Contact us today Northern's quality workmanship can be seen in industrial facilities, commercial properties and condominium complexes throughout the East coast. Evidence of customer satisfaction can be found in our 85% repeat business. We strive to make certain that the restoration work is accomplished in a timely manner.