
Design & Build
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Design & Build
One team from first sketch to final build. We manage design, approvals, and construction so your project stays true to the vision, on schedule, and on budget.
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Kastone Construction is an Ottawa general contractor delivering commercial and residential projects with precision. Our efficient in-house team, trusted network of skilled trades, and proven systems keep every build organized, on schedule, and on budget.
From office fit-ups and retail spaces to kitchens, additions, and full-home renovations, we manage every stage, from design and approvals to construction and final handover, so you work with one accountable team.







Where quality craftsmanship meets thoughtful design
We create spaces that feel functional, refined, and built to last, backed by an experienced team, trusted trades, and a process that keeps you informed at every stage.
Every detail is built to a high standard, from structure and finishes to final inspection, so the result looks refined and performs for years to come.
Proven systems, clear schedules, and consistent communication mean you always know what is happening on site and what comes next.
Homeowners and businesses across Ottawa trust Kastone for professional, reliable work, and their reviews reflect the care we bring to every project.
Design, trades, and project management are coordinated under one roof, giving you a single point of contact from planning to handover.
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“Very easy to work with, great company to deal with and the team was very helpful throughout the whole renovation. Thank you for making everything so simple and convenient.”
“Very professional service and easily accessible. The renovation team was super helpful, answered all my questions, and made sure everything was completed exactly as we wanted.”
“Explained what I needed, and the team took care of everything.”
“Easy to communicate with. The team was professional, reliable, and did an excellent job with our renovation. I really appreciate the attention to detail and great service.”
“These guys are friendly fast and reliable.”