(905) 441 0770 allen@allenehlert.com

A Commitment Isn’t a Guarantee

by | September 21, 2025

…Why Your Mortgage Isn’t Final ‘Til It’s Funded”

You’ve done everything right—you got pre-approved, made your offer, provided every bank statement and pay stub under the sun. The lender issues a written mortgage commitment and you think, “Phew, we’re done.” Not so fast. A lot of homebuyers (and even some seasoned realtors) mistake a commitment letter as some kind of iron-clad promise. It’s not. A mortgage commitment is more like a “we’re good… if nothing changes.” Until your lender sends instructions to your lawyer and wires the money, your deal isn’t done.

If you’re buying a home, this is something you need to understand inside and out. Otherwise, you could end up in a mess just days before closing.

Topics I’ll Cover:

What Is a Mortgage Commitment Really?

Why a Commitment Is Conditional, Not Guaranteed

Common Reasons Lenders Refuse to Fund After a Commitment

How to Protect Yourself from Last-Minute Surprises

What Is a Mortgage Commitment Really?

Think of a mortgage commitment like a “promise ring”—it shows serious intent, but it’s not a legally binding marriage yet. It’s the lender’s way of saying, “Based on what we know right now, we intend to lend you this money.” But, and this is a big but—it’s conditional. The commitment lays out exactly what has to happen between now and closing for the lender to follow through.

The most common conditions include:

  • Verifying employment (sometimes up to the day of closing)
  • Confirming down payment through bank statements
  • Completing a satisfactory appraisal
  • Reviewing legal/title documents
  • Re-checking credit to ensure nothing’s changed

The lender isn’t on the hook to fund if any of these pieces aren’t tied up with a bow.

Why a Commitment Is Conditional, Not Guaranteed

Lenders protect themselves with conditions because life happens between the day you apply and the day you close. People lose jobs. Credit scores tank. New debts appear. Properties don’t appraise. Lenders aren’t being cruel—they’re protecting their money.

That written commitment is basically their way of saying: “We’re good… as long as you don’t do anything that changes your financial picture or this property’s value.”

Until all conditions are fully met and signed off, the lender can legally walk away.

Common Reasons Lenders Refuse to Fund After a Commitment

Here’s where the wheels can fall off:

  • You lose your job or change employers before closing (yes, they check again)
  • You finance a car, buy furniture on credit, or rack up your credit cards before closing
  • Your credit score drops dramatically due to new debt or missed payments
  • An appraisal comes in lower than the purchase price, and you can’t bridge the gap
  • You fail to provide the documents they’ve asked for (down payment history, proof of income, insurance)
  • They detect any fraud or misrepresentation—even minor fibs can kill the deal

Any of these can cause the lender to hit the brakes—even with a commitment letter in hand.

How to Protect Yourself from Last-Minute Surprises

If you want smooth sailing from commitment to funding, follow these golden rules:

  • Don’t change jobs without talking to your mortgage agent first.
  • Don’t take on new debt—no car loans, no big credit card spending.
  • Don’t co-sign for anyone else’s debt.
  • Keep your finances boring and predictable.
  • Respond quickly and completely to any document requests from your mortgage agent or lender.
  • Make sure your insurance, legal paperwork, and title searches are in place well before closing.

Example:
A client once got a mortgage commitment, then bought a $70,000 truck on financing a week later. His debt servicing ratios blew up, and the lender pulled the plug. Had he waited until after closing, he’d be fine. Timing is everything.

Allen’s Final Thoughts:

A written mortgage commitment is a critical milestone—it means you’re on the right track. But it’s not a guarantee. Until the lender’s money hits your lawyer’s trust account, you need to keep your financial house squeaky clean.

I tell my clients this all the time: “Don’t rock the boat until you’ve got the keys.” The most heartbreaking conversations I have are with people who didn’t realize their financing could fall apart even after getting that golden piece of paper.

How I Help You (And Your Realtor, Too):

My job isn’t just to get you a commitment—it’s to shepherd your deal safely to the finish line. I keep tabs on your lender’s conditions, coach you on what not to do between now and closing, and troubleshoot fast if something unexpected comes up.

I’m not just your mortgage agent—I’m your guide, your second set of eyes, and your advocate to make sure nothing derails your home purchase. When you work with me, you’re getting more than an approval—you’re getting peace of mind. Let’s keep your deal rock-solid and drama-free, all the way to closing day.

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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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