CMHC 5% Down for Prefab Homes: The Canadian Catch You Need to Know

By Alex McFadyen | Market Updates & Rate Analysis | 8 min read | Published 2026-05-12

Canadian housing affordability is a persistent challenge, pushing many to explore alternative solutions. Prefabricated homes, or "prefabs," are gaining traction as a potentially more affordable and efficient path to homeownership. Recently, CMHC (Canada Mortgage and Housing Corporation) announced a significant change, allowing as little as a 5% down payment on these types of homes. Sounds like a game-changer, right?

It certainly is a step in the right direction, but as with all things in the mortgage world, there are important details, or what I like to call "the catch," that you need to be fully aware of before you jump in. As your trusted Canadian mortgage broker, I'm here to unpack what this means for you.

What You'll Learn

• What CMHC's new 5% down payment option for prefab homes entails.
• The specific eligibility requirements and crucial limitations.
• The benefits and unique challenges of financing a prefab home in Canada.
• How prefab homes could impact Canada's housing supply and your path to homeownership.
• Key steps to take if you're considering a prefab home for yourself.

CMHC's New 5% Down Payment Option for Prefab Homes

CMHC's primary goal with this initiative is clear: to increase Canada's housing supply and make homeownership more accessible. By extending their standard low down payment insurance program to include eligible factory-built homes, they're acknowledging the potential of prefab construction to address our housing crisis.

So, what does this mean in practice? If you're looking to build a new prefab home, you can now qualify for CMHC mortgage insurance with a minimum down payment of:

• 5% on the first $500,000 of the purchase price.
• 10% on the portion of the purchase price between $500,000 and $1,000,000.

For example, on a $600,000 prefab home, your minimum down payment would be 5% of $500,000 ($25,000) plus 10% of the remaining $100,000 ($10,000), totalling $35,000. Keep in mind that CMHC insurance is mandatory for any mortgage with less than a 20% down payment, and the maximum insurable purchase price remains $1.5 million.

The Catch: Eligibility and Specific Requirements

While the 5% down payment sounds fantastic, it's not a free-for-all. There are specific criteria and processes that make financing a prefab home different from purchasing a traditional resale property. This is where the "catch" comes in.

1. Type of Home

The program applies specifically to newly constructed, factory-built homes. This includes:

• Modular Homes: Entire sections or modules are built in a factory and then transported to the site for assembly.
• Panelized Homes: Wall, floor, and roof panels are manufactured in a factory and then assembled on-site.
• Manufactured Homes (often called Mobile Homes): These are typically built on a permanent chassis and can be moved. However, for mortgage financing, they usually need to be permanently affixed to land you own.

It's crucial that the home meets national building codes and local municipal requirements.

2. Land Ownership

You generally need to own the land where the prefab home will be placed, or have a firm agreement in place to purchase it. The financing for a prefab home often covers both the land acquisition and the construction of the home itself. This is a key differentiator from buying an existing house where the land is already part of the property.

3. Approved Builders and Manufacturers

Lenders, and by extension CMHC, will require that the prefab home is sourced from an approved builder or manufacturer with a proven track record. They want to ensure the quality of construction and the financial stability of the company completing your home. This isn't the time to go with an unproven entity.

4. Construction Process and Draws

Unlike a standard mortgage where funds are disbursed in one lump sum, financing a prefab home typically involves a construction mortgage. This means funds are released in stages, known as "draws," as construction progresses. This process requires careful management and adherence to timelines.

5. Permits and Approvals

All necessary municipal permits, zoning approvals, and inspections must be in place before construction begins and throughout the process. Your lender will require proof of these at various stages.

6. Occupancy

The home must be your primary residence. This program is designed to help Canadians achieve homeownership, not invest in rental properties or secondary homes.

Understanding Construction Draws

Let's dive a little deeper into construction draws, as this is one of the biggest differences. When you finance a prefab home, your mortgage funds aren't handed to you all at once. Instead, they are released incrementally based on the completion of specific construction milestones. A typical draw schedule might look something like this:

At each draw stage, your lender will send an appraiser or inspector to verify the work completed before releasing the next tranche of funds. You'll typically pay interest only on the amount of the mortgage that has been advanced to date. This requires careful budgeting and coordination with your builder.

Why Consider a Prefab Home in Canada?

Despite the complexities, there are compelling reasons why prefab homes are becoming a viable solution for many Canadians:

• Affordability

  Prefab homes can often be more cost-effective than traditional stick-built homes. Factory production leads to economies of scale, reduced labour costs, and less material waste, which can translate into savings for you.

• Speed of Construction

  Because much of the work is done in a controlled factory environment, prefab homes can be constructed significantly faster than traditional builds. This means less reliance on weather conditions and a quicker path to moving into your new home.

• Quality Control

  Factory production allows for tighter quality control and precision. Components are built to exact specifications, often exceeding the quality achievable on a traditional construction site.

• Sustainability and Efficiency

  Many prefab homes are designed with energy efficiency and sustainability in mind, leading to lower utility bills and a smaller environmental footprint. Less waste during construction is another environmental benefit.

• Addressing Housing Supply

  From a broader perspective, increasing the supply of well-built, affordable homes is crucial for Canada. CMHC's support for prefab homes is a direct response to this national need.

Financing Your Prefab Home: More Than Just a Mortgage

Getting a mortgage for a prefab home is essentially getting a construction mortgage. Here’s what else you need to know:

• Down Payment & CMHC Insurance

  As discussed, the minimum down payment is 5%, which means CMHC insurance is mandatory. This insurance protects the lender in case you default, but the premium is added to your mortgage amount (or can be paid upfront).

• The Stress Test Still Applies

  Even with a prefab home, you'll still need to pass the mortgage stress test. This means you must qualify at the higher of 5.25% or your contract rate plus 2%. This ensures you can still afford your payments if interest rates rise.

• Amortization Period

  For insured mortgages (which a 5% down prefab home would be), the maximum amortization period is typically 25 years. This means you'll pay off your mortgage over a shorter period compared to an uninsured mortgage, resulting in higher monthly payments but less interest paid overall.

• Appraisal Based on Completed Value

  The bank's appraisal will be based on the estimated value of the home once it's fully completed, not just its current stage of construction. This gives the lender confidence in the final asset.

• Builder Vetting is Key

  Lenders will rigorously vet your chosen builder or manufacturer. They'll look at their financial health, track record, warranties, and insurance. A reputable builder is non-negotiable.

• Budget for Overruns and Closing Costs

  Always build a contingency into your budget (10-15%) for potential cost overruns. Additionally, don't forget standard closing costs like legal fees, land transfer tax (if applicable in your province), property tax adjustments, and potentially new home warranty fees. Our closing cost calculator can help you estimate these.

Is a Prefab Home Right for You? Key Considerations

Deciding on a prefab home is a big decision. Here are some questions to ask yourself:

• Are you comfortable with a construction timeline? Even though prefabs are faster, it's still a build, not an instant purchase.
• Do you own suitable land, or are you prepared to acquire it? This is a fundamental requirement.
• Have you thoroughly researched reputable prefab manufacturers and builders? Due diligence here is paramount.
• Is your budget realistic, including land, permits, site preparation, and a contingency for overruns? Use our qualification calculator to get a clear picture of what you can afford.
• Are you prepared for the staged financing (construction draws) process? This requires more active involvement than a traditional mortgage.

Bottom Line

CMHC's new 5% down payment option for prefab homes is a significant and welcome development in Canada's housing market. It opens up new avenues for homeownership and supports the growth of an efficient, sustainable construction method. However, it's not without its complexities. Understanding the specific eligibility requirements, the construction mortgage process, and the "catch" involved is crucial for a smooth and successful experience.

This isn't a simple purchase; it's a build. But with the right guidance and a clear understanding of the process, a prefab home could be your answer to achieving homeownership in Canada. If you're considering this path, connecting with a mortgage broker experienced in construction financing is your best first step.

FAQ

What is a prefab home?

A prefab home, or prefabricated home, is a dwelling largely constructed off-site in a factory setting before being transported and assembled on its final building site. This can include modular homes (sections built and assembled on-site), panelized homes (panels built and assembled on-site), and manufactured homes (built on a chassis).

Do I still need CMHC insurance with 5% down on a prefab home?

Yes, if your down payment is less than 20% of the purchase price, CMHC mortgage insurance is mandatory. This applies to prefab homes just as it does to traditional homes, with the maximum insurable purchase price currently set at $1.5 million.

How does financing a prefab home differ from a regular mortgage?

Financing a prefab home typically involves a construction mortgage, where funds are released in stages (called draws) as the home is built. This differs from a regular purchase mortgage where the full amount is disbursed at closing. You'll need to own the land, and the builder will require approval from your lender.

Can first-time home buyers use the FHSA or HBP with a prefab home?

Absolutely! First-time home buyers can leverage programs like the First Home Savings Account (FHSA) and the Home Buyers' Plan (HBP) to fund their down payment or construction costs for a prefab home. The FHSA allows you to contribute up to $8,000 per year, with a lifetime maximum of $40,000, tax-free. The HBP lets you withdraw up to $60,000 from your RRSP, which needs to be repaid over 15 years. Both can significantly reduce the upfront cost of building your prefab home, provided all other eligibility criteria are met.

Ready to take the next step? Use our free assessment tool to see where you stand.