What is an acceleration clause? And what triggers it?

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A single-family home in Phoenix, Arizona

6 min read Published March 25, 2024

Written by

Kellye Guinan

Editor, Personal Loans and Auto Loans 7 Years of personal finance experience Kellye Guinan is an editor and writer with over seven years of experience in personal finance.

Edited by

Troy Segal

Senior editor, Home Lending 30 years of experience

Troy Segal is a senior editor for Bankrate. She edits stories about mortgages and home equity, along with the finer financial points of owning and maintaining a home.

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Key takeaways

An acceleration clause is a section of a mortgage contract that can have big consequences: Namely, it can require you to pay off your entire mortgage at once. Even if you miss only one payment. The good news is that lenders can’t activate the clause on a whim, and it may not be the end of the world even if they do. Still, it’s key to understand how acceleration clauses work, and what triggers them.

What is an acceleration clause?

Acceleration clauses are a common, but often overlooked, feature of mortgages. Most loans will have one, which is why you should always read the fine print of your mortgage — or any loan document — before signing it. These clauses give lenders the option to call in the loan if you do not uphold all its terms. In this way, the lender minimizes the risk of the mortgage, of letting you borrow such a big sum for such a long time.

The acceleration clause, true to its name, accelerates the mortgage repayment schedule. It will force you to repay the entire balance of your loan, plus accrued interest, in a single payment, under certain circumstances. These circumstances are specific actions (or inactions) on the borrower’s — that is, your — part. For example, missing a certain number of mortgage payments or canceling your homeowners insurance could trigger the acceleration clause.

If you’re unable to repay your loan by a set date, usually 30 days after receiving an acceleration letter, your lender might begin foreclosure proceedings. (Now, if you can pay off the outstanding balance, you’d own the home free and clear, and the lender would no longer have a claim on it.)

What triggers the acceleration clause?

Acceleration clauses can be written differently, but there are a few common contingencies that typically triggers them:

If one of these events happens, your lender will send you an acceleration letter, invoking the clause and setting a due date to settle the mortgage. You’ll either need to negotiate with your lender or pay the remainder of your loan in full. If not, your lender can choose to move forward with foreclosure.

How to avoid acceleration

Here’s how to avoid triggering your mortgage’s acceleration clause:

The point is not to try to hide or hope the lender won’t notice your transgression (because, sooner or later, they always do). And once the whole invoke-the-acceleration-clause process gets started, it will be harder to stop it.

Options after a mortgage acceleration

Even if you do trigger the clause and receive the acceleration letter, it isn’t the end — you’ll still be able to negotiate and work with your mortgage lender toward potential solutions. Here are some options.

Forbearance

Forbearance temporarily pauses your mortgage payments when you’re struggling financially. This can help you stay afloat during setbacks, and since those payments are still reported as on-time to the credit bureaus, your credit should stay intact until your situation improves or should you need to refinance later on.

With forbearance, however, you can generally suspend only a limited number of payments. You’ll also still owe interest on the months you missed, which will make your mortgage more expensive in the long run. To see if you qualify for forbearance, contact your lender as early on as you can.

Loan modification

Because the foreclosure process can be long and expensive for your lender, it might be willing to modify the terms of your loan instead, such as change your interest rate or extend your term to help make payments more manageable.

Unlike forbearance, loan modifications are permanent, so this strategy is best if you expect to experience ongoing hardship and need a major change to the terms of your mortgage. To obtain a modification, you’ll likely need to submit financial documentation and a letter to your lender explaining your situation.

Refinance

Refinancing involves obtaining a new mortgage at different terms that can make your payments more affordable. You’ll simply use the new loan to pay off your old mortgage.

This can be a good option if you have a fair amount of equity in your property, but it might not be the right choice if you’ve already missed payments. That’s because you’re unlikely to be approved without good credit, and even if you are, the new loan rate might not be enough to meaningfully lower your monthly payments.

Refinancing also won’t help if prevailing interest rates have risen substantially since your original mortgage. If so, you won’t be able to score a lower rate, even if your personal financials are strong.

Short sale

If you’re able to find a buyer, your lender might agree to a short sale. A short sale allows you to pay off your mortgage for less than its current balance. This isn’t a route lenders like to take, however — they’ll typically only approve a short sale if your home’s value has declined and you owe more on it than the property is worth.

Accepting foreclosure

Foreclosure is a last resort, but it’s sometimes unavoidable. Your lender might be willing to accept a deed-in-lieu of foreclosure or repayment, which will keep you from having foreclosure (and its negative impact) stamped on your credit report, but you’ll still be responsible for any difference between your property’s value and the mortgage balance.

The preforeclosure, auction and eviction process vary based on state laws, and you might still be able to reclaim your home before the foreclosure sale. It is also usually a slow process, so there is time to negotiate with your lender or find other solutions.

Acceleration Clause FAQ

What is an acceleration letter?

An acceleration letter is a document that your lender will send to you if an acceleration clause in your mortgage is triggered. It will outline what triggered the acceleration clause and include details on the amount you must pay and the deadline for making payment. Typically, the deadline is 30 days from the date of the letter.

How do lenders decide to accelerate a loan?

Lenders decide to accelerate a loan based on the contingencies specifically listed in the mortgage documents. Usually, the things that can trigger an acceleration clause relate to the lender’s risk in recouping its outlay. Things that increase that risk, such as the home becoming uninsured or the borrower missing payments, are typical triggers for acceleration.

Additional reporting by Mia Taylor