You’re tired of renting and are wondering if you would qualify for a mortgage. Before you start to look at houses, having a pre-approval in place is crucial. In a market where sellers can afford to be picky about who they let through the door, that piece of paper is doing more work than most buyers realize. Here’s what actually goes into getting one, what lenders are really checking, and how to avoid watching it fall apart between now and closing.
Pre-qualification and pre-approval are not the same thing
These two terms get used interchangeably, and that mix-up causes real problems. A pre-qualification is a quick, informal estimate based on numbers you self-report over the phone or through an app — no verification, no documents, no real weight behind it. A pre-approval is the real thing: a lender has pulled your credit, reviewed actual documentation of your income and assets, and is prepared to issue a conditional commitment letter. Sellers and listing agents know the difference, and in a competitive situation, a pre-qualification letter can read as barely better than nothing.
If you’re serious about making offers, ask your lender directly which one they’re giving you. It’s a fair question, and a good loan officer won’t be offended by it.
What your lender is actually looking at
Underwriting isn’t a mystery — it comes down to a handful of things every lender checks in some form:
- Income and employment history. Typically two years of steady employment or a consistent self-employment history, documented with pay stubs, W-2s, or tax returns.
- Credit score and credit history. Not just the number, but the pattern behind it — on-time payments, how much of your available credit you’re using, and anything derogatory in the last few years.
- Debt-to-income ratio (DTI). This is your total monthly debt payments divided by your gross monthly income. Most conventional loans want to see this at 43% or below, though some loan programs allow more flexibility with strong compensating factors.
- Assets and down payment. Bank statements, retirement accounts, and anything else you’re drawing from — lenders want to see where the money is coming from and that it’s been sitting in your accounts long enough to not look like a last-minute loan from a friend.
None of this is designed to trip you up. It’s designed to answer one question: can you actually afford this loan, reliably, for the next 30 years? Lenders would rather find out now than after you’ve moved in.
The documents to have ready before you apply
Getting pre-approved goes faster — and feels a lot less like homework — if you gather this before your first conversation with a lender:
- Two years of W-2s and, if self-employed or a 1099 contractor, two years of tax returns
- Recent pay stubs (usually the last 30 days)
- Two to three months of bank statements for every account you plan to draw from
- Statements for retirement or investment accounts if you’re using them for a down payment
- A list of current debts — car loans, student loans, credit cards, any other mortgage
- Photo ID and Social Security number for the credit pull
If you’ve recently changed jobs, received a large cash gift toward your down payment, or have any income that’s harder to document (bonus income, rental income, overtime), mention it upfront. Lenders can usually work with it — they just need paperwork, not surprises.
Why this matters more with rates where they are right now
As of late September 2026, Freddie Mac’s weekly survey has the average 30-year fixed rate at 7.03% and the 15-year fixed at 6.42%. At rates like these, every offer matters more, and sellers are less willing to take a chance on a buyer whose financing might not hold together. A strong, fully underwritten pre-approval signals that you’ve already cleared the hard part, which matters even more when a seller is weighing your offer against someone else’s.
It also protects you. Knowing your real number — not a rough guess, but a lender-verified number — keeps you from falling for a house that’s actually outside your comfort zone once you factor in today’s rate environment, property taxes, and insurance.
How long does a pre-approval last, and does shopping lenders hurt your credit?
Most pre-approval letters are good for 60 to 90 days, after which your lender will typically want updated pay stubs or bank statements to reissue it. If your house search runs longer than that, it’s a normal, quick refresh — not a sign anything went wrong.
As for shopping around: credit scoring models are built to treat multiple mortgage inquiries made within a short window (typically 14 to 45 days, depending on the model) as a single inquiry, not several. That means comparing two or three lenders won’t tank your score the way people sometimes fear. It’s genuinely worth doing — rates, fees, and communication styles vary more between lenders than most buyers expect.
Mistakes that can unravel a pre-approval before closing
A pre-approval isn’t the finish line — your file gets a final review right before closing, and a few common missteps can undo weeks of progress:
- Opening new credit. That furniture store card with 0% financing for your new place? Wait until after closing.
- Making a large purchase. A new car, especially financed, changes your DTI and can push you out of approval range.
- Changing jobs. Even a better-paying job can complicate things if it changes your income structure or resets your employment history.
- Co-signing a loan for someone else. That debt gets counted against you, even if you’re not the one making the payments.
- Moving money around without a paper trail. Large, undocumented deposits right before closing are one of the most common things that trigger extra underwriter questions.
The general rule: once you’re pre-approved, keep your financial picture as boring and unchanged as possible until you’ve closed.
A few things specific to buying around Pittsburgh
Local and regional lenders who close loans in Allegheny County and the surrounding areas regularly tend to move faster and hit fewer surprises than a call-center lender unfamiliar with our older housing stock, borough-specific quirks, or how local title work tends to go. That doesn’t mean a big national lender can’t get the job done — it just means it’s worth asking how many closings they’ve handled in this area recently. If you’re looking at a condo or a property with an HOA, be ready for extra documentation requests, since those come with their own layer of lender review.
Frequently Asked Questions
Do I need to be pre-approved before I start looking at houses?
You don’t need it to browse listings, but you should have it in hand before you tour homes seriously or write an offer. Most agents will ask for it, and it keeps you from falling for a home outside your actual budget.
Will getting pre-approved with multiple lenders hurt my credit score?
Not meaningfully, as long as you do your rate shopping within a short window (generally 14 to 45 days). Credit scoring models are designed to count those inquiries as one, not several.
What credit score do I need to get pre-approved?
It depends on the loan program. Conventional loans typically want 620 or higher, while FHA loans can go as low as 580 with 3.5% down, and sometimes lower with a larger down payment. Your rate and terms will still vary based on where your score actually lands.
Can my pre-approval amount change after I’ve already started looking at homes?
Yes — if your income, debt, or credit changes, or if you provide updated documentation, your lender may adjust the number. This is another reason to keep your finances steady during your search.
What’s the difference between a pre-approval and a final loan approval?
Pre-approval is a conditional commitment based on your documentation at that point in time. Final approval happens after you’re under contract on a specific property, once the lender has ordered an appraisal, verified everything one more time, and cleared any remaining conditions.
If you’re thinking about buying in the next few months, it’s worth having this conversation with a lender sooner rather than later — even if you’re not ready to write an offer yet. I’m happy to walk you through what to expect or point you toward a few local lenders I trust, no pressure and no obligation attached.
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