What Actually Moves Your Credit Score Before You Apply for a Mortgage
September 18, 2026 · Austin Frangoules
I hear the same handful of credit myths from almost every buyer, usually right before they do something that actually hurts their application. Let's clear a few of these up before you make a decision based on something a friend told you at a barbecue.
Myth: checking your rate wrecks your score
A lot of buyers avoid getting pre-approved because they're scared of the hit to their credit. Mortgage inquiries are treated differently than a random credit card application. Multiple mortgage inquiries within a focused shopping window are typically counted as a single inquiry, since credit scoring models understand that people rate shop for a home loan. Don't let this fear keep you from getting pre-approved.
What actually moves the needle
The things that genuinely affect your score before you apply are the boring, unglamorous basics: paying every bill on time, keeping your credit card balances low relative to your limits, and not opening or closing accounts right before you apply. None of that is exciting advice. It's also the advice that actually works.
The mistake I see constantly: big purchases before closing
This is the one that catches people off guard. You get pre-approved, you feel good, and then you finance a new couch, a car, or open a store credit card before closing. Your debt-to-income ratio can shift enough to change your loan terms or delay closing entirely. Lenders often re-check credit and debts close to closing, not just at the start. My rule of thumb: don't finance anything new between your pre-approval and your closing day. Wait until the keys are in your hand.
Myth: you need a perfect score to buy a house
Different loan programs have different credit flexibility. FHA loans in particular are known for working with buyers whose credit has a few dings. This is a big reason it exists as a program. Don't assume a less-than-perfect score rules you out before anyone's actually looked at your file.
What I'd actually do if you're a few months out from buying
Pull your credit report and check it for errors. Errors happen more than people realize, and disputing a mistake can be one of the fastest ways to see real movement. Pay down credit card balances where you can. And leave your credit alone otherwise. No new cards, no closing old accounts, no cosigning for anyone else's loan.
The goal isn't a perfect score. It's a stable, predictable picture that a lender can actually evaluate. If you want a second set of eyes on your credit before you start house hunting, we're happy to take a look and tell you honestly where you stand.
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