Are Prefab Garages Available in Ontario? What to Know
📅 Last updated: September 7th, 2025
✍️ Written by prefab building specialists at My Own Cottage
Prefab garages are a popular solution for Ontario homeowners seeking quick, affordable, and customizable space. Whether used for storage, a workshop, or even a backyard studio, these structures offer both functionality and value.
From budget-friendly DIY garage kits to fully insulated double-car garages with lofts, Ontario homeowners now have more options than ever.
Modern prefab designs are durable, versatile, and far quicker to install than traditional builds.
🔑 Key Takeaways: Prefab Garages in Ontario
Fast installation with minimal disruption compared to traditional construction
Wide selection of models, from single-car garages to luxury designs with electricity, insulation, and lofts
Budget flexibility with affordable garage kits or fully customized solutions
For those comparing garages to full compact prefab homes, our in-depth guide on small prefab homes Ontario with prices offers a broader look at the market.
🏗️ What Are Prefab Garages in Ontario?
Prefab garages—also called modular garages, prebuilt garages, or garage kits—are manufactured off-site and transported to your property for assembly.
Unlike a traditional on-site build, prefab models arrive with pre-cut materials and engineered designs, making installation faster and more efficient.
✅ Key Benefits of Prefab Garages in Ontario
Cost savings – typically 20–40% cheaper than building from scratch
Quick installation – days instead of months
Eco-friendly – less on-site waste
Consistent quality – factory-controlled production
🛒 Top Ontario Prefab Garage Suppliers & Where to Buy
Available Across the Province
Prefab garages are widely available in:
Toronto · Ottawa · Sudbury · Muskoka · Northern Ontario (delivery fees may apply)
Top Ontario Prefab Garage Suppliers
KB Prefab
North Country Sheds
Red Shed Co.
DuroShed
In The Backyard
Prefab Garage Options in Ontario: Kits, Single & Double-Car Models
Insulated modular garages with lofts
Single-car and double-car models
Portable and steel prefab garages
📌 Note: Delivery to Northern Ontario often includes higher transportation fees.
To get a sense of overall pricing, be sure to compare the average cost of a small prefab home in Ontario.
💰 Prefab Garage Prices in Ontario (2025): Cost Guide by Size & Style
| Type | Price Range |
|---|---|
| Single-Car Garage Kit | $12,000 – $22,000 |
| Double-Car Garage (insulated) | $25,000 – $40,000 |
| Budget DIY Kits | $8,000 – $12,000 |
| Add-Ons (lofts, electricity, doors) | Varies by project |
📊 For readers exploring alternatives beyond garages, you may also want to compare bungalow-style prefab homes in Ontario with pricing, consider entry-level starter prefab home options, or review current Ontario prefab secondary suite costs.
🛠️ Ontario Prefab Garage Cost Factors: Foundation, Materials & Add-Ons
Total prefab garage costs depend on:
Foundation type (slab, piles, grade beam)
Roofing & siding materials (basic to premium)
Upgrades (electricity, insulation, interior finishes)
✨ Prefab Garage Customization & Design Options for Ontario Homes
Ontario homeowners can tailor prefab garages to match property style and lifestyle needs:
Exterior finishes – wood, vinyl, or steel siding
Roof styles – gable, A-frame, or flat
Functional add-ons – lofts, workbenches, electricity, heating
Eco-friendly features – solar-ready and energy-efficient insulation
Real Example:
A Toronto homeowner added a loft and solar panels. The entire project—from delivery to inspection—was completed in just 18 days.
⚖️ Prefab Garages in Ontario: Advantages & Drawbacks to Consider
✅ Advantages of Prefab Garages
Lower cost compared to traditional builds
Faster installation – days instead of months
Eco-friendly with reduced material waste
Consistent quality thanks to pre-engineered designs
❌ Drawbacks to Consider
Zoning limitations may restrict placement or size
Higher delivery costs in remote or Northern Ontario areas
Design and size limits compared to fully custom garages
🔍 Expert Tip: According to the Ontario Home Builders’ Association, garages and prefab home kits are increasingly accepted in residential zones. However, always verify local bylaws before ordering.
🚧 Prefab vs Traditional Garages
| Feature | Prefab Garage (Ontario) | Traditional Garage Build |
|---|---|---|
| Cost | $12,000 – $40,000 (20–40% cheaper) | $20,000 – $60,000+ |
| Installation Time | 2–7 days (pre-cut & delivered) | 4–8 weeks (site-built) |
| Customization | Limited (kits & modular options) | High (fully custom design) |
| Permits & Zoning | Required if >108 sq. ft. (simpler process) | Required (more complex approvals) |
| Durability | 25–40 years (factory-built consistency) | 30–50 years (varies by contractor) |
| Eco-Friendliness | Less waste, factory efficiency | More site waste, higher energy use |
| Delivery Costs | Extra for Northern Ontario | Not applicable (built on-site) |
📜 Prefab Garage Permits & Regulations in Ontario
✅ Yes, in most cases, a building permit is required.
Key Requirements:
Building Permit: Required for any structure larger than 108 sq. ft.
Zoning Laws: Local rules may regulate height, setbacks, and lot coverage.
Foundation Compliance: All prefab garages must follow Ontario’s foundation and construction standards.
⚠️ Important: Permit requirements can vary by municipality. Always check with your local building department before ordering or installing a prefab garage.
Also, see the Ontario Building Code for official permit and zoning information.
🏡 Prefab Garages vs. Prefab Homes in Ontario: Key Differences
| Feature | Prefab Garage | Prefab Home |
|---|---|---|
| Purpose | Storage / Workshop | Living |
| Cost | Lower per sq. ft. | Higher |
| Permits | Usually simpler | More complex |
| Customization | Functional | Lifestyle-centric |
For full pricing details on compact Ontario homes, see our pillar guide on small prefab homes Ontario with prices.
A Wide Range of Affordable Prefab Garages in Ontario
Prefab garages are not only available—they’re becoming the go-to choice for Ontario homeowners.
With affordable models, customizable designs, and financing options, finding the right garage has never been easier.
👉 Ready to get started?
Book a free consultation or call our team today to explore prefab garage options tailored to your property.
🧑💼 Request a Free Consultation
📲 Call Us Directly: (705) 345-9337
🏘️ View Our Design Catalogue
✅ Ontario-Built | ⚡ Energy-Efficient | 🏡 Fully Customizable | 🚚 Fast Delivery
Alternatively, for your convenience, you can also simply fill out the contact form below and we’ll get back to you soon! 👇
Contact Us
We usually respond within 24 hours!
- Comprehensive Warranty
- Best Price Guarantee
- Exceptional Service
FAQ: Prefab Garages & Availability in Ontario
Are prefab garages available in Ontario?
Yes, prefab garages are widely available across Ontario. Homeowners can choose between fully-built garages delivered ready-to-use or DIY prefab garage kits for assembly. Suppliers serve urban and rural areas, making prefab a flexible and affordable choice.
What types of prefab garages can you buy in Ontario?
Ontario buyers can select from factory-built prefab garages, delivered complete, or modular garage kits for DIY assembly. Options include single-car, double-car, detached, and customizable models with add-ons like lofts, storage, or workshops.
How much do prefab garages cost in Ontario?
Prefab garage prices in Ontario range from $12,000 to $40,000. Smaller single-car prefab garage kits are the most affordable, while larger double-car garages with insulation, electricity, or lofts cost more. Installation and customization also affect pricing.
Are prefab garages cheaper than traditional garages?
Yes. Prefab garages are usually 20–40% more affordable than traditional on-site builds. They save money on labor and materials while offering faster installation, though custom size and design flexibility may be more limited.
How long does it take to install a prefab garage in Ontario?
Most prefab garages can be installed in 2–7 days, depending on site preparation and foundation requirements. This is much faster than traditional garages, which often take several weeks or even months to complete.
Can prefab garages be customized in Ontario?
Yes. Suppliers offer a wide range of custom prefab garages in Ontario, with choices for siding, roof styles, windows, and doors. Add-ons like electricity, insulation, storage lofts, or workshops are available to fit different property needs.
Do prefab garages meet Ontario building codes?
Yes. Prefab garages must comply with the Ontario Building Code. A building permit is usually required for structures larger than 108 sq. ft., and zoning bylaws vary by municipality. Always confirm local regulations before ordering.
Which companies sell prefab garages in Ontario?
Top suppliers include My Own Cottage, North Country Sheds, Red Shed Co., KB Prefab, DuroShed, and In The Back Yard. These companies deliver across Ontario, from Toronto and Hamilton to Ottawa and Northern Ontario.
What are the benefits of prefab garages?
Prefab garages offer speed, convenience, affordability, and customization. They can be installed in days, cost less than traditional builds, and often allow upgrades like insulation, lofts, or electricity.
Are prefab garage kits available for DIY in Ontario?
Yes. Prefab garage kits in Ontario come with pre-cut materials and instructions, making them a good option for DIY-savvy homeowners. Kits are usually more affordable but require time, tools, and construction skills to assemble.
How long do prefab garages last?
A well-built prefab garage can last 25–40 years or more, depending on materials, climate, and maintenance. Steel prefab garages generally last the longest, while wood models may require more upkeep to extend their lifespan.
How much does it cost to build a 20x20 garage in Ontario?
A 20×20 prefab garage in Ontario typically costs $18,000 to $30,000, depending on materials, foundation type, and add-ons like insulation or electricity. Prefab kits are often on the lower end, while custom modular builds cost more.
🛡️ Verified Third-Party Resources
For added confidence and transparency, here are trusted external sources that support modular homebuilding in Ontario:
Ontario Building Code (O. Reg. 332/12)
Official provincial regulations that govern modular and factory-built homes.Tarion Warranty Corporation
Provides home warranty coverage and builder licensing in Ontario.Canadian Home Builders’ Association (CHBA)
National organization supporting residential construction, modular certification, and best practices.CMHC – Canada Mortgage and Housing Corporation
Federal housing authority offering insights on modular housing affordability, financing, and energy efficiency.Statistics Canada: Housing Data
Data-driven research on Canadian housing trends, ownership, affordability, and construction.