How to Get Pre-Approved for a Mortgage (Step by Step)

Quick answer
To get pre-approved for a mortgage, check your credit, gather pay stubs, W-2s, tax returns and bank statements, calculate your debt-to-income ratio, then apply with two to four lenders within a short window. Pre-approval usually takes 1 to 10 days and the letter is good for about 60 to 90 days.

A mortgage pre-approval tells you how much you can borrow and shows sellers you are a serious buyer. Here is the difference from pre-qualification, the documents you need, and a step-by-step guide to getting pre-approved.
Pre-qualification vs pre-approval
| Pre-qualification | Pre-approval | |
|---|---|---|
| What it is | A quick estimate based on what you tell the lender | A conditional commitment after the lender checks your documents and credit |
| Credit check | Often soft or none | Usually a hard credit pull |
| Documents | Few or none | Pay stubs, W-2s, tax returns, bank statements |
| Strength with sellers | Weak | Strong; often required with an offer |
| Time | Minutes | About 1 to 10 days |
Documents you will need
- Photo ID and Social Security number
- Pay stubs for the last 30 days
- W-2s for the last 2 years (or 1099s if self-employed)
- Federal tax returns for the last 2 years (often required if self-employed)
- Bank and investment statements for the last 2 months
- Information on debts: car loans, student loans, credit cards
- Gift letter, if family is helping with the down payment
- Rental history or landlord contact (some lenders)

Step-by-step: how to get pre-approved
- Check your credit report and score. Fix errors and pay down card balances if you can.
- Know your numbers: income, monthly debts and savings. Calculate your debt-to-income ratio.
- Decide on a budget with our affordability calculator, not just what a lender approves.
- Choose 2 to 4 lenders: banks, credit unions and mortgage brokers.
- Apply within a short window. Multiple mortgage credit checks within about 14 to 45 days usually count as one inquiry for scoring.
- Submit documents and answer questions quickly.
- Get your pre-approval letter and Loan Estimates, and compare rates and fees.


Get pre-approved by more than one lender within a couple of weeks. You can compare offers, and the credit checks usually count as one.
What lenders look at
- Credit score: affects approval and your rate.
- Debt-to-income ratio (DTI): many conventional lenders want 36% to 45% or less; FHA can be more flexible.
- Income and job stability: often 2 years of steady history.
- Down payment and reserves: money for the down payment, closing costs and some savings left over.
After you are pre-approved: do’s and don’ts
- Don’t open new credit cards or loans.
- Don’t make big purchases like a car or furniture on credit.
- Don’t change jobs if you can avoid it.
- Don’t move large sums of money without a paper trail.
- Do keep paying every bill on time.
- Do update your lender if anything changes.

How long does a pre-approval last?
Most pre-approval letters are good for about 60 to 90 days. If you have not found a home by then, the lender will usually update your credit and documents and reissue the letter.

Pre-approval checklist
- Check credit and fix errors.
- Gather 2 years of income documents.
- Calculate your DTI.
- Apply with 2 to 4 lenders.
- Avoid new debt until closing.
How to get pre approved for a mortgage: a simple timeline
If you are figuring out how to get pre approved for a mortgage, it helps to see the process as a short project with a clear order. Most buyers can go from “just looking” to holding a letter in about two to three weeks, depending on how fast they gather documents.
| When | What to do | Why it matters |
|---|---|---|
| 3 to 6 months before buying (if possible) | Pull your credit reports, dispute errors, pay down card balances | Gives time for score changes to show up |
| Week 1 | Gather pay stubs, W-2s, tax returns and bank statements | Missing paperwork is the most common delay |
| Week 1 | Work out your DTI and a comfortable monthly payment | Keeps you from shopping above your budget |
| Week 2 | Apply with 2 to 4 lenders in the same short window | Credit checks usually count as one inquiry |
| Week 2 to 3 | Answer lender questions and upload extra documents | Faster replies mean a faster letter |
| After approval | Compare Loan Estimates and keep your finances steady | Big changes can undo the approval |
Debt-to-income worked example
Understanding DTI is a core part of how to get pre approved for a mortgage, because it often decides the loan amount.
Lenders look closely at your debt-to-income ratio (DTI): your monthly debt payments, including the new housing payment, divided by your gross monthly income. Here is a simple example using the 36% to 45% range mentioned above.
| Item | At 36% DTI | At 45% DTI |
|---|---|---|
| Gross monthly income ($72,000 a year) | $6,000 | $6,000 |
| Maximum total monthly debts | $2,160 | $2,700 |
| Existing debts (car and student loan) | $500 | $500 |
| Room left for the housing payment | $1,660 | $2,200 |
The housing payment usually includes principal, interest, property taxes, homeowners insurance and any mortgage insurance or HOA dues. Plug different prices into our mortgage payment calculator to see which home prices fit inside that number. Paying off a $300 monthly car loan in this example would free up $300 of room for the mortgage payment.
What a pre-approval letter usually includes
Once you know how to get pre approved for a mortgage, the next step is reading the letter carefully.
- The maximum loan amount or purchase price the lender is willing to consider.
- The loan type, such as conventional, FHA or VA.
- An expiration date, often about 60 to 90 days out.
- Conditions that must still be met, such as an appraisal, a final credit check and verification of income.
- The lender and loan officer contact details, so a seller’s agent can call to confirm.
Ask your lender to issue letters for the specific price of each offer if you can. A letter that shows exactly your offer price can look stronger than one showing a much higher maximum.
Tips for self-employed and first-time buyers
The basics of how to get pre approved for a mortgage are the same for everyone, but a few situations need extra paperwork.
Self-employed borrowers
Expect lenders to ask for two years of personal and often business tax returns, a year-to-date profit and loss statement, and bank statements. Because lenders usually use your income after business deductions, large write-offs can lower the amount you qualify for. Keep business and personal accounts separate to make the review easier.
First-time buyers
Ask lenders which first-time buyer and down payment assistance programs they work with, and whether you need a homebuyer education course. If family is helping, get the gift letter early and keep a paper trail showing the money moving from their account to yours.
Why a pre-approval can be denied, and what to do next
- DTI is too high: pay down a card or loan, add a co-borrower, or look at a lower price range.
- Credit score is too low for the loan type: ask about FHA, or spend a few months lowering card balances and paying on time.
- Short or uneven job history: provide offer letters, explain gaps, or wait until you have more history.
- Not enough savings: build reserves or look into assistance programs and gift funds.
- Errors on your credit report: dispute them with the credit bureaus and reapply once fixed.
A denial is not permanent. Ask the lender exactly what held you back, fix that one issue, and apply again. Many buyers who first learn how to get pre approved for a mortgage the hard way qualify a few months later.
Common mistakes when getting pre-approved
- Getting a letter from only one lender and missing a better rate or lower fees.
- Spreading applications over several months instead of a short window.
- Treating the maximum approval as the budget instead of choosing a comfortable payment.
- Forgetting to budget for closing costs, moving and setting up the new home. See how much it costs to move.
- Making a big purchase on credit between pre-approval and closing.
Knowing how to get pre approved for a mortgage is mostly about preparation: clean up your credit, organize your documents, understand your DTI and compare lenders in a short window. Do those four things and the rest of the process is much smoother.
Helpful resources: For more on how to get pre approved for a mortgage, see the Consumer Financial Protection Bureau and U.S. Department of Housing and Urban Development.
How to get pre approved for a mortgage: frequently asked questions
How do I get pre-approved for a mortgage?
Check your credit, gather income, asset and debt documents, then apply with two to four lenders. Each lender reviews your credit and documents and issues a pre-approval letter if you qualify.
Does getting pre-approved hurt your credit?
A pre-approval usually involves a hard credit check, which may lower your score slightly. Multiple mortgage checks within a short window generally count as a single inquiry.
How long does mortgage pre-approval take?
Often 1 to 10 days, depending on the lender and how quickly you provide documents.
How long is a pre-approval good for?
Usually about 60 to 90 days. After that, the lender may need updated documents and a new credit check.
What credit score do you need to get pre approved for a mortgage?
It depends on the loan type and lender. Conventional loans usually need a higher score than FHA loans, which are more flexible. A higher score generally means a better rate, so ask each lender what minimum they use.
Can you get pre approved for a mortgage with no down payment?
Some loan types, such as VA and USDA loans for eligible buyers, may allow no down payment. Most other loans need some down payment, and you will still need money for closing costs.
Sources: Consumer Financial Protection Bureau, myFICO: credit inquiries, HUD. Prices are national planning ranges, not quotes. See how we research costs.
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