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CMHC Insurance
CMHC insurance is the mortgage default insurance provided by the Canada Mortgage and Housing Corporation, the federal Crown corporation that backstops high-ratio mortgages with an explicit government guarantee. Beyond homeowner default insurance for primary residences, CMHC also insures owner-occupied rentals (OO+R), commercial and multi-unit residential buildings (MURB), and securitizes mortgages into government-backed Canada Mortgage Bonds (CMB) and Mortgage-Backed Securities (CMBS).
CMHC Insurance Quick Facts
- Canada’s federal Crown corporation and national housing agency
- The only default insurer with an explicit government guarantee
- Also insures multi-unit, rental, and commercial properties
- Securitizes mortgages through the Canada Mortgage Bond (CMB) program
- Competes with Sagen (GW) and Canada Guaranty (CG) on homeowner insurance
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What Is CMHC Insurance
CMHC insurance is mortgage default insurance underwritten specifically by the Canada Mortgage and Housing Corporation, a federal Crown corporation established in 1946. It is one of three default insurance options in Canada, alongside Sagen and Canada Guaranty. Still, it is the only one backed by an explicit guarantee from the Government of Canada, since a Crown corporation’s obligations carry federal backing that a private insurer’s do not.
Many Canadians use CMHC insurance as a stand-in for mortgage default insurance generally, even when Sagen or Canada Guaranty underwrites their own policy, since CMHC was for decades the only provider and remains the largest by market share. This glossary entry focuses on CMHC as an institution itself and what sets it apart. For the rules that apply across all three insurers, see Mortgage Default Insurance.
Homebuyers most often encounter CMHC at the insured, high-ratio home purchase stage. Still, the corporation’s mandate reaches well past that single product into rental financing, commercial underwriting, securitization, and housing research.
Why CMHC Insurance Matters for Mortgages
For borrowers, the government guarantee behind CMHC insurance means lenders treat CMHC-insured mortgages as the safest form of collateral available. However, standard homeowner premiums are nearly identical across CMHC, Sagen, and Canada Guaranty, so the practical difference for most buyers is underwriting flexibility rather than cost.
For the mortgage market as a whole, CMHC’s National Housing Act Mortgage-Backed Securities (CMBS) program and the Canada Mortgage Bond (CMB) let lenders bundle insured mortgages and sell them to investors. CMHC describes its role as Canada’s national housing agency, supporting access to housing through insured lending, securitization, and market research. That funding function matters even to borrowers whose mortgage is not CMHC-insured, since it is a major source of capital that monoline lenders draw on to fund mortgages broadly.
Common Types of What CMHC Insures
CMHC’s business runs wider than the single homeowner product most buyers know it for.
Homeowner default insurance. The standard product for a high-ratio purchase, covering one-to-four-unit owner-occupied properties with a down payment under 20%.
Multi-unit and rental insurance. CMHC insures larger rental and multi-residential properties through dedicated programs, a scope Sagen and Canada Guaranty do not match at the same scale.
Portfolio or bulk insurance. Lenders can insure pools of already-funded low-ratio mortgages through CMHC to support their own funding and securitization, covered in more detail in Bulk Insurance (Portfolio Insurance).
For example, a lender originates a $400,000 CMHC-insured mortgage, then bundles it with other insured loans into a mortgage-backed securities pool. Investors buy the pool for predictable, government-backed returns, and the lender receives funding to originate its next round of mortgages. This cycle keeps mortgage capital moving through the system rather than sitting on one balance sheet.
Common Mistakes and Misunderstandings About CMHC Insurance
- Assuming CMHC is the only company that provides mortgage default insurance
- Treating CMHC insurance and mortgage default insurance as different products
- Overlooking CMHC’s role in multi-unit and rental financing
- Believing the government guarantee changes the borrower’s own premium cost
- Missing that securitization is a separate function from homeowner insurance
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Frequently Asked Questions (FAQ) About CMHC Insurance
What is CMHC insurance?
CMHC insurance is mortgage default insurance provided by the Canada Mortgage and Housing Corporation, a federal Crown corporation, and it is one of three default insurance options in Canada.
Is CMHC insurance different from mortgage default insurance generally?
Not in what it covers. CMHC insurance is one specific provider’s version of mortgage default insurance, the broader category that also includes Sagen and Canada Guaranty.
Is CMHC insurance available in every province?
Yes. CMHC operates nationally, though provincial sales tax on the premium applies only in Ontario, Quebec, and Saskatchewan.
Does CMHC only insure individual homeowners?
No. Beyond standard homeowner mortgages, CMHC insures multi-unit rental and commercial properties and provides portfolio insurance to lenders.
What is the Canada Mortgage Bond and how does it relate to CMHC?
The Canada Mortgage Bond is a security backed by pools of CMHC-insured mortgages, which lets lenders sell those mortgages to investors and free up capital to fund new loans.