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Understanding Subordination Agreements

by | October 16, 2026

A subordination agreement is a legal document that modifies the lien priority of two or more mortgages on a property. In the context of first and second position mortgages, this agreement allows a lender with a lower-ranking mortgage (such as a second mortgage or a home equity line of credit) to maintain or regain priority after changes are made to the first mortgage.

Why is a Subordination Agreement Needed?

Key Features of a Subordination Agreement

Example Scenario of a Subordination Agreement

Risks and Considerations

Why is a Subordination Agreement Needed?

Typically, lien priority is determined by the order in which mortgages are registered on the property title. The first mortgage has priority, while any subsequent loans (such as a second mortgage) are subordinate. However, if a borrower refinances their first mortgage, the original mortgage is discharged, and the second mortgage would technically move into the first position.

Most lenders of refinanced mortgages require first position, which is where a subordination agreement comes into play. The second mortgage lender agrees to maintain its subordinate status, ensuring that the refinanced first mortgage regains priority.

Key Features of a Subordination Agreement

  • Maintains Priority for the First Mortgage – Without a subordination agreement, refinancing a first mortgage would put a second mortgage in first position, which is unacceptable to most lenders.
  • Legally Binding Contract – It is a formal agreement that must be signed by all parties and is often prepared by a real estate lawyer.
  • Required for Refinancing – Many lenders will not approve a mortgage refinance unless a subordination agreement is signed.
  • Protects Lenders’ Interests – It ensures the original risk hierarchy is maintained, particularly in cases of borrower default or foreclosure.

Example Scenario of a Subordination Agreement

  1. A homeowner has a first mortgage with a balance of $300,000 and a second mortgage of $50,000.
  2. The homeowner wants to refinance the first mortgage for a lower interest rate.
  3. Refinancing requires paying off the existing first mortgage, temporarily leaving the second mortgage in first position.
  4. The lender of the new first mortgage requires priority.
  5. The second mortgage lender signs a subordination agreement, ensuring that the new first mortgage regains top priority.

Risks and Considerations

  • The second mortgage lender is not required to agree to subordination.
  • Some lenders charge fees for subordination agreements.
  • If the borrower defaults, the first lender gets repaid first, and the second lender only receives funds if there’s remaining equity.

READ MORE:

Understanding Subordination Agreements

Why Lenders Don’t Like Seconds

What is a Second Mortgage

Getting a Second Mortgage

What is Mortgage Position


Summary

A subordination agreement is crucial when refinancing a first mortgage while a second mortgage exists. It ensures that the new first mortgage maintains its priority, reducing the risk for lenders and ensuring smooth financial transactions for homeowners.

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Allen Ehlert

Allen Ehlert

Allen Ehlert is a licensed mortgage agent. He has four university degrees, including two Masters degrees, and specializes in real estate finance, development, and investing. Allen Ehlert has decades of independent consulting experience for companies and governments, including the Ontario Real Estate Association, Deloitte, City of Toronto, Enbridge, and the Ministry of Finance.

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