5 Questions to Ask Your Mortgage Lender Before You Apply

Most first-time buyers walk into a mortgage lender's office, answer a bunch of questions about their income and debts, and then sit quietly while the loan officer tells them what they qualify for. They nod along, sign a pre-approval letter, and leave without asking a single question of their own.

This is a mistake. Your mortgage is the largest debt you will ever take on. It will shape your monthly budget for the next 15 to 30 years. And the terms of that mortgage, the rate, the fees, the fine print , vary significantly from lender to lender. If you don't ask the right questions upfront, you're trusting that the lender is giving you their best deal without being asked to. That's not how this works.

Here are five questions you should ask before you even fill out an application.

1. What's the Difference Between Your Interest Rate and APR?

Every lender will advertise an interest rate. It's the number they put in big bold text on their website. But the interest rate only tells you part of the story. The APR, Annual Percentage Rate , tells you the rest.

The APR includes the interest rate plus all the fees and costs associated with the loan: origination fees, discount points, mortgage insurance premiums, and other charges that get rolled into the cost of borrowing. Two lenders might both quote you a 6.5% interest rate, but if one has $3,000 more in fees, their APR will be higher, and that loan will cost you more over its lifetime.

When you ask this question, you're forcing the lender to be transparent about their total cost. If the gap between the rate and the APR is large, say more than 0.25%, that means there are significant fees baked in. Ask for an itemized breakdown of what's creating that gap. This is how you compare lenders on an apples-to-apples basis instead of just chasing the lowest headline rate.

2. Can I See a Breakdown of All Closing Costs?

Closing costs on a mortgage typically run 2% to 5% of the loan amount. On a $350,000 loan, that's $7,000 to $17,500 in fees you need to pay at closing, on top of your down payment. And the composition of those fees varies wildly between lenders.

Some fees are fixed and non-negotiable, things like recording fees and transfer taxes set by your county or state. But others are lender fees that they set themselves: origination fees, underwriting fees, processing fees, and various other charges that can sometimes feel like they're making things up.

Ask for a Loan Estimate, which lenders are legally required to provide within three business days of receiving your application. This document breaks down every cost in a standardized format. But even before you formally apply, a good lender should be willing to walk you through their typical fee structure. If they're evasive about costs, that tells you something. A lender who won't give you straight answers about fees before you apply isn't going to suddenly become transparent after you're locked in.

3. What Happens If My Appraisal Comes in Low?

This is the question that separates informed buyers from everyone else. After you go under contract on a house, the lender orders an appraisal to confirm the property is worth what you're agreeing to pay. If the appraisal comes in at or above your purchase price, everything proceeds normally. But if it comes in low, you've got a problem.

The lender will only loan you a percentage of the appraised value, not the purchase price. So if you agreed to pay $380,000 but the appraisal says the house is worth $360,000, there's a $20,000 gap that someone has to cover. Your options are: renegotiate the purchase price with the seller, come up with the difference in cash, or walk away using your appraisal contingency.

Ask your lender what their process is when this happens. Do they allow you to dispute the appraisal? Will they order a second one? How quickly do they need a decision from you? Knowing the process ahead of time means you won't be scrambling if it actually happens, and in volatile markets, it happens more often than you'd think.

4. Is There a Prepayment Penalty?

A prepayment penalty is a fee the lender charges if you pay off your loan early, either by refinancing, selling the house, or just making extra payments to kill the debt faster. It sounds absurd that a lender would penalize you for giving them their money back sooner, but some loans include this provision because the lender wants to guarantee a certain amount of interest income over the life of the loan.

Prepayment penalties have become less common on conventional mortgages, but they still exist, especially on certain loan products and in some states. The penalty can be a percentage of the remaining balance or a set number of months of interest, and it typically applies within the first three to five years of the loan.

If your lender says yes, there is a prepayment penalty, ask how much it is and when it expires. Then ask yourself whether that loan is really the best option, because you're locking yourself into a financial product that punishes you for improving your own situation. In most cases, you can find a comparable loan without this restriction. You just have to ask.

5. What's Your Average Time to Close?

The standard purchase agreement gives you 30 to 45 days to close from the date your offer is accepted. That clock is ticking from day one, and if your lender can't get the loan done in time, you could lose the house, or at least end up begging the seller for an extension, which weakens your position.

The national average time to close a mortgage is around 43 to 50 days, but some lenders are significantly faster and some are significantly slower. A large national bank might take 50 to 60 days. A local credit union might close in 25 to 30 days. Online lenders vary widely.

Ask the lender what their average time to close is and what the most common causes of delays are. If they say “it depends” without giving you a number, push for specifics. You need to know whether this lender can realistically meet your contract timeline. A lender who consistently closes in 30 days is a very different partner than one who “usually” gets it done in 50 but “sometimes” needs 60.

Your timeline matters. Your seller's patience has limits. Pick a lender who can deliver.

The Point of All This

These five questions accomplish something important: they shift the dynamic from “lender interviews buyer” to “buyer interviews lender.” You are the customer. You are about to give this company hundreds of thousands of dollars in interest over the next few decades. You get to ask the hard questions, and you deserve straight answers.

A good lender will welcome these questions because they know their product is competitive. A lender who dodges them or gets defensive is telling you everything you need to know about what the experience will be like when you actually need their help.

Shop around. Ask the same five questions to at least three lenders. Compare the answers. Then choose the one who gave you the clearest, most honest responses, not just the lowest rate on paper.