

R. VIAU
CONSTRUCTION &
DEVELOPMENTS


Basement Walkout Construction in Ottawa
At R. Viau Construction and Developments, we specialize in designing and building custom concrete basement walkouts that enhance both the functionality and value of your home - while seamlessly integrating with your property’s existing layout and style.
Whether you're improving basement accessibility, adding natural light, or creating a convenient entryway for a secondary suite or living space, we tailor every walkout to meet your lifestyle needs and design preferences. From initial design through construction and final inspection, our team oversees the entire process with a strong commitment to quality craftsmanship, structural integrity, and code compliance.
The result is a durable, expertly built concrete basement walkout that improves your home’s usability, boosts curb appeal, and increases property value - designed for lasting comfort and convenience.
What is a basement walkout?
How much does it cost to build a concrete basement walkout?
A basement walkout is an exterior entryway that allows direct access to your basement from the outside, typically through a set of steps or a door leading to ground level.
Costs vary based on design complexity, site conditions, and finishes but typically range from $15,000 to $50,000. We provide detailed estimates tailored to your project.
Do I need permits to build a basement walkout?
Yes, building permits are generally required. We can handle all permit plans applications and approvals, ensuring your project meets local building codes.


Our Process - Built Around You
Feasibility Assessment
We evaluate your home's structure, grading, and foundation to determine if a basement walkout is practical and code-compliant.
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Foundation and slope analysis
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Drainage and access evaluation
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Bylaw and zoning review
Design & Architectural Planning
Our in-house designers design a walkout that’s structurally sound, functional, and visually aligned with your home’s style.
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Custom design tailored to your home
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Drainage and waterproofing strategy included
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Preparation of drawings for permits and construction
Permitting & Approvals
We take care of the entire permit process on your behalf.
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Complete permit application submission
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Liaison with city planners and building officials
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Revisions or resubmissions if required
You don’t have to deal with paperwork, city departments, or inspectors. We manage it all for you.
Full Construction Management
From framing to final finishes, our experienced crew and trusted trades handle every aspect of construction with precision and care.