About Us

Build with confidence. Build with Kastone Construction.

Kastone Construction Management office storefront on Holly Lane in Ottawa

More about Kastone

Built on trust.
Built to last.

Kastone Construction is an Ottawa general contractor working out of our office on Holly Lane. We take on commercial and residential projects of every size, from office fit-ups, clinics, and retail stores to kitchens, basements, and additions.

Our team handles every stage under one roof: design, estimating, permits, trades, and site supervision. Whatever the project, the goal stays the same: spaces that are built properly, built to last, and built around the people who use them.

✓ A local Ottawa office and team
✓ Commercial and residential construction experience
✓ Detailed estimates with materials, timelines, and costs
✓ A dedicated Project Manager on every job
✓ Proud members of the Ottawa Construction Association

Our services

Construction services
across Ottawa.

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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Commercial

Office fit-ups, health care spaces, retrofit remodelling, and retail builds, planned around your operations to keep downtime to a minimum.

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Residential

Additions, renovations, and custom projects that add space, comfort, and lasting value to your home, built with care in every detail.

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Project Management

Experienced oversight of scope, schedule, budget, and trades, with clear reporting so you always know exactly where your project stands.

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General Contracting

One accountable contractor coordinating trades, materials, inspections, and site safety from mobilization to final handover.

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Skilled Trades

Experienced, vetted tradespeople delivering precise, code-compliant workmanship through every phase of construction.

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Construction Management

Professional management from pre-construction through closeout, protecting quality, cost, and schedule on complex builds.

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View all services

Quality, expertise, and precision at every step.

How Kastone Brings Your Vision to Life

At Kastone Construction, we turn your ideas into beautifully crafted spaces. From pre-construction to final completion, we deliver reliable, personalized construction services across Ottawa and Eastern Ontario.

Clear Communication

We keep open, thorough lines of communication, both within our team and with you, so every decision is accurate and transparent.

Detailed Estimate

Our Project Managers price out your ideas with a detailed estimate, including material lists, timelines, and costs, and share ways to get maximum efficiency and results.

Planning & Design

Budgets and timelines are set during development, and we refine the design until you’re fully satisfied before construction begins.

Build & Final Walkthrough

Your dedicated Project Manager responds to requests within 24 hours. We finish with a complete walkthrough, address every deficiency, and archive your documents for future reference.