Design-build Studio
COZY CASA
Crafting Cozy Spaces®
Where quality construction meets inspired design.
HCRA Licensed
WHO WE ARE
Get to Know Us
Cozy Casa is a General Contractor and a design-build company based in the Greater Toronto Area, specializing in custom homes, renovations, additions, lifestyle basements, legal secondary suites, and commercial fit-outs.
We believe successful projects begin with clarity—not only in construction, but in design, planning, and execution.
Design and construction aren’t separate conversations here. They’re integrated from the start—so what you imagine is what gets built.
What We Do
(Design-Build, Done Properly)
As a design-build studio, Cozy Casa serves as the single point of accountability for your project.
We lead the design process and collaborate with a trusted network of licensed architects, engineers, and interior designers as required—while executing construction under our builder’s licence.
This integrated approach streamlines decision-making, reduces risk, and produces a more cohesive result.
Our Services
Residential
- Custom Home Building
- Full Home Renovations & Additions
- Luxury Lifestyle Basements
- Legal Secondary Rental Suites
- Kitchen & Bathroom Remodeling
- Interior Design & Project Management
Commercial
- Office, Retail & Professional Spaces
- Tenant Improvements & Fit-Outs
- Restaurants, Wellness Facilities & Specialty Environments
Featured Service Capabilities
Bathrooms
Kitchens
Staircases
Home Theaters
Living Rooms
Bedrooms
Entry
Custom Home Design
A personalized design experience shaped around your lifestyle—covering concept development, space planning, finishes, and interior detailing.
We guide decisions with clarity and collaborate with architects, designers, and engineers to balance aesthetics, function, and long-term value.
New Construction
A complete design-build approach from permits and site preparation to framing, finishes, and final occupancy.
We manage coordination between trades, maintain strict quality control, and communicate transparently—delivering craftsmanship, efficiency, and architectural integrity.
Renovations & Additions
From kitchens and bathrooms to basements and full additions, we manage design through completion.
We handle structural modifications, city permits, and finish selections—improving comfort, flow, and value while respecting the character of your home.
Sustainable Building
Efficiency and durability-driven construction using energy-efficient systems, eco-friendly materials, and smart design strategies.
We can integrate measures like optimized insulation and windows, low‑VOC finishes, and advanced HVAC and lighting to create healthier, future-ready spaces without compromising style.
Project Management
We coordinate trades, schedules, materials, and inspections while keeping you informed at every step.
The goal is simple: a smooth, stress-free experience with timelines and budgets managed carefully and quality held to a high standard.
Service Areas
• Oakville • Burlington • Milton • Vaughan
• Richmond Hill • Etobicoke • Scarborough
• North York • Markham • Hamilton
• St. Catharines • Niagara Region
• Barrie • New Market
Outside the area: Upon request
Our Process
Cozy Casa is built around a structured, transparent journey so you can enjoy the transformation without managing the project yourself.
1. Initial Consultation
We learn your goals, style, and budget, and determine the best approach for your project.
2. Design & Planning
We collaborate on drawings, layouts, and selections—and assist with permits and approvals when required.
3. Detailed Proposal
You receive a clear, itemized scope of work with timelines and expectations outlined upfront—no surprises.
4 . Construction
We manage trades, scheduling, and on-site execution with regular updates and high-quality delivery.
5. Finishing & Quality Assurance
Final details, clean-up, and a thorough walkthrough to ensure everything meets our standards—and yours.
6. After-Care Support
We remain available after completion for questions, adjustments, or future upgrades.
About the Founder
Billy Atwal
Founder & Principal, Cozy Casa
Known for attention to detail, proactive communication, and strong problem-solving, Billy works closely with homeowners, business owners, designers, and trades to deliver projects that are well-planned, well-built, and beautifully finished.
“For me, construction is not just about building — it’s about understanding how people live and creating environments that feel comfortable, functional, and uniquely theirs.”
— Billy Atwal
Our Portfolio
Who is Cosy Casa?
What services do you offer?
Which areas do you serve?
Are you licensed and insured?
What types of projects are you best suited for?
Do you offer design-build and construction-only?
How do I get started?
What Our Customers Say
4230 Sherwoodtowne Blvd, Suite #200, Mississauga, ON L4Z 2G6