Striving to serve our local community with excellence and professionalism.  Locally owned.  Locally invested.
Industry Leading Excellence & Professionalism
ISO#22673006
Learn More
Contact us today for a free estimate.
For over 15 years, Cornerstone Group has been serving the Sarnia-Lambton area.
Cornerstone Group is the result of the expansion of Cornerstone Pressure Washing into additional avenues of mobile services. These avenues are represented by Cornerstone Agri-Services and Cornerstone Industrial.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Why people choose
Cornerstone Pressure Washing

OUR PARTNERS