Michael Reynolds

VP of FIELD OPERATIONS- Ocean City



For over 35 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 and Maryland areas. Northern's quality workmanship can be seen in industrial facilities, commercial properties and apartment/condominium communities throughout the East coast.

Evidence of customer satisfaction can be found in our 97% repeat business. We strive to make certain that the restoration work is accomplished in a timely manner.



Andrew Carlin 

SALES / ESTIMATING

Joshua Steward

FIELD OPERATIONS - Chadds Ford

Contact  info

About Us


​David Guinan

VICE-PRESIDENT / CFO

James J. Guinan IV 

PRESIDENT / COO

Our Team


CHADDS FORD, PA

+1.610.497.2038


OCEAN CITY, MD

+1.410.352.2038


JImG@northernwaterproofing.net