Contact Us Reach out today to start your next project. First Name: Last Name: Phone Number: Email: Message: Send We’re Here to Help Your Project. Our Expertise. Contact us using the information below or fill out the form, and one of our project specialists will get back to you promptly. 07 3886 9613 102B / 6 Discovery Drive, North Lakes, QLD 4509 info@cornerstoneconstruction.com.au