How Does Mortgage Preapproval Work?

A mortgage preapproval helps you determine how much you can spend on a home, based on your finances and lender guidelines. Many lenders offer online preapproval, and in many cases you can be approved within a day. We’ll cover how and when to get preapproved — so that when you find a home you love, you’re ready to make a smart and effective offer.

What is a mortgage preapproval?

A mortgage preapproval is written verification from a mortgage lender, which states that you qualify to borrow a specific amount of money for a home purchase. The amount you’re approved for is based on a review of your credit history, credit scores, income, debt and assets.

The “pre” in front of “approval” is short for preliminary, because a preapproval is typically based only on information you’ve provided in an application. The lender will still have to validate all of your information to issue a final approval before you close.

Once you find a home, you’ll also need to get a home appraisal to confirm that the home’s value supports the sales price. Most lenders won’t give you a mortgage for more than a home is worth, even if you’re willing to buy it at that price.

The difference between mortgage preapproval and prequalification

Mortgage preapproval and mortgage prequalification may often be used interchangeably, but there are important differences between the two. Ultimately, prequalification is an optional step that can help you fine tune your budget, while preapproval is an essential part of your journey to getting mortgage financing.

Mortgage preapproval vs. final loan approval

Once you’ve been preapproved, you can shop for homes and put in offers — but when you find a house you want to put under contract, you’ll have to get that approval finalized.

To finalize your approval, lenders typically:

If all of the above check out, your loan can be cleared for closing.

How to get preapproved for a mortgage

1. Gather your documents

You’ll typically need to provide:

You may need additional documents if your finances involve other factors like self-employment, divorce or rental income.

2. Spruce up your credit

How you’ve managed credit in the past carries a huge amount of weight when you’re applying for a mortgage. You can take simple steps to improve your credit in the months or weeks before applying for a loan, like keeping your credit utilization ratio as low as possible. You should also review your credit report and dispute any errors you find.

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3. Fill out an application

Many lenders have online applications, and you might hear back within minutes, hours or days depending on the lender. If all goes well, you’ll receive a mortgage preapproval letter you can submit with any home purchase offers you make.

Factors lenders use to preapprove you for a mortgage