Preparing for a Mortgage: A 12-Month Timeline

What you need to do in the next year to be ready for a mortgage

Getting mortgage-ready in 12 months means building credit, saving a down payment, reducing debt, and gathering the documents a lender will ask for. The timeline works backward from when you want to buy: if you plan to close in 12 months, you start now with credit repair and savings. A lender will look at your credit score, debt-to-income ratio, employment history, and cash reserves — all of which take time to improve if they're not where they need to be.

The work is front-loaded. The first three months matter most because credit score changes take time to show up, and lenders pull your credit report in the final weeks before closing. If you wait until month 10 to start, you'll run out of time to fix problems.

Key Takeaways

• Start by checking your credit report for errors and paying down existing debt, because these changes take two to three months to show up on your score.
• Save consistently each month toward a down payment and closing costs, aiming for the minimum your lender requires plus a buffer for inspections and appraisals.
• Gather tax returns, pay stubs, bank statements, and employment verification now rather than scrambling for them in month 11.
• Avoid opening new credit accounts, making large purchases, or changing jobs during this 12-month window, as lenders review these activities closely.
• Get pre-may have access to around month 9 or 10 so you know your actual borrowing power and can adjust your home search accordingly.

Months 1 to 3: Fix credit and start saving

Pull your credit report from all three bureaus — Equifax, Experian, and TransUnion — at annualcreditreport.com, which is the only free source required by federal law. Look for errors: accounts that aren't yours, wrong balances, or late payments that didn't happen. Dispute errors directly with the bureau that reported them; corrections take 30 to 45 days.

If your credit score is below 620, focus on paying down revolving debt (credit cards) rather than installment debt (car loans). Lenders care about your credit utilization ratio — the percentage of available credit you're using. If you have a $5,000 credit limit and a $4,000 balance, you're at 80 percent utilization. Getting that to 30 percent or lower will raise your score faster than anything else. Pay down balances; don't close accounts, because closing them lowers your available credit and makes utilization worse.

Open a dedicated savings account and set up automatic transfers on payday. Even $200 or $300 a month adds up to $2,400 to $3,600 over 12 months. Lenders will ask where your down payment came from, so consistent deposits from your paycheck are cleaner than a sudden large transfer from someone else.

Months 4 to 6: Build reserves and document your finances

By now, credit score improvements should be visible if you've paid down debt. Keep going — don't stop just because the number moved. Continue saving at the same rate. A lender will want to see that you have cash reserves after closing, meaning money left in the bank after you've paid the down payment and closing costs. Reserves matter more if your credit score is lower or your down payment is smaller.

Gather documents you'll need later: the last two years of tax returns (both 1040 forms and schedules), recent pay stubs (usually the last two months), and bank statements showing your savings account. If you're self-employed, you'll need profit-and-loss statements and possibly a CPA letter. If you've changed jobs in the last two years, get an offer letter or employment verification from your current employer. A lender will verify employment directly with your HR department, so make sure your employer's records are current.

If you have collections accounts, charge-offs, or late payments on your report, don't ignore them. Contact the creditor or collection agency and ask about a pay-for-delete agreement (they remove the account if you pay) or a settlement. These won't disappear from your credit history, but paying them shows good faith and can improve your score enough to matter.

Months 7 to 9: Stop making big financial moves

From this point forward, avoid opening new credit accounts, applying for car loans, or making large purchases. Every credit inquiry and new account lowers your score slightly and signals to a lender that you're taking on more debt. Don't close old credit cards, even if you're not using them — age of accounts matters, and closing them reduces your available credit.

If you're thinking about changing jobs, wait until after closing. Lenders verify employment and income in the final two weeks before closing, and a job change can delay or kill a loan. If you must change jobs, make sure the new position is in the same field at the same or higher pay, and get a written offer letter before you resign.

Keep saving. By month 9, you should have a clear picture of how much you can put down. If you're short of your target, adjust your home search price downward or plan to use a first-time homebuyer program that accepts lower down payments. Don't borrow the down payment from family or friends — lenders require that gift money come with a signed letter stating it's a gift, not a loan you'll repay.

Months 10 to 12: Get pre-may have access to and prepare to move

Contact lenders and get pre-may have access to. Pre-qualification is different from pre-approval: pre-qualification is an estimate based on what you tell them, while pre-approval involves a credit check and document review. You want pre-approval, which shows sellers you're serious. Lenders will pull your credit, verify your income and employment, and tell you the maximum loan amount you can borrow and what your interest rate will be.

Use your pre-approval letter to guide your home search. If you're pre-approved for $300,000, don't look at $400,000 homes. Once you find a house and make an offer, the lender will order an appraisal and title search. The appraisal takes one to two weeks; if the house appraises for less than the purchase price, you'll need to renegotiate or cover the difference in cash.

In the final two weeks, your lender will pull your credit again and verify employment one more time. This is why you don't change jobs or open new accounts in month 11. You'll also get a Closing Disclosure form three days before closing — review it carefully and ask your lender about anything that doesn't match what you discussed. Closing typically takes 45 to 60 days from offer to keys in hand, so if you're pre-approved in month 10, you could close in month 12.

What lenders actually look for

Lenders use a formula called debt-to-income ratio, or DTI. They add up all your monthly debt payments — car loans, student loans, credit cards, child support — and divide by your gross monthly income. Most lenders want to see a DTI of 43 percent or lower, though some go to 50 percent. If you make $5,000 a month and have $2,000 in debt payments, your DTI is 40 percent. A mortgage payment of $1,500 would push you to 70 percent, which no lender will approve.

If your DTI is too high, pay down debt before you apply. Even paying off a car loan or credit card can drop your ratio enough to may have access to. Lenders also look at your payment history — they want to see on-time payments for the last two years, with no more than one or two 30-day late payments. A 60-day or 90-day late payment is a bigger problem and may require explanation.

Employment history matters. Lenders want to see two years of stable employment in the same field. If you've changed jobs multiple times, be ready to explain why. A gap of more than 30 days between jobs can raise questions. If you've been self-employed for less than two years, some lenders won't work with you; others will if you can show consistent income.

Common mistakes that derail the timeline

The biggest mistake is opening a new credit card or taking out a car loan in month 8 or 9. Your credit score drops, your DTI rises, and your pre-approval amount shrinks. The second mistake is not checking your credit report for errors — if your report shows a late payment that wasn't yours, you could lose months waiting for a dispute to resolve.

A third mistake is not saving consistently. Lenders want to see regular deposits, not a sudden $10,000 transfer from a relative. If you do receive a gift, get a signed gift letter from the person stating the amount, that it's a gift and not a loan, and their relationship to you. Without this letter, the lender will treat it as a loan you have to repay, which changes your DTI.

Finally, don't assume you know your credit score. Credit scores vary by bureau and by scoring model — your Equifax score may be different from your Experian score, and the score a lender uses may be different from the score you see online. Check all three reports and know what lenders will actually see.

Frequently Asked Questions

What if I don't have 12 months before I want to buy?

You can compress the timeline, but some things can't be rushed. Credit score improvements take two to three months to show up. If you have six months, focus on paying down debt and saving as much as possible. A lower down payment or a co-signer may help you may have access to faster, though both come with trade-offs.

Do I need to save for a 20 percent down payment?

No. Many first-time homebuyer programs accept 3 to 5 percent down. The trade-off is that you'll pay private mortgage insurance (PMI) until you've built 20 percent equity. PMI costs 0.5 to 1 percent of your loan amount per year, added to your monthly payment. A smaller down payment means lower monthly savings but higher monthly payments.

Can I use a co-signer to may have access to?

Yes, but the co-signer's credit and income are reviewed just like yours. Their debt counts toward the DTI calculation, so a co-signer with high debt may not help. The co-signer is legally responsible for the loan if you don't pay, so lenders take this seriously and so should you.

What happens if my credit score drops during these 12 months?

A small drop (5 to 10 points) from a hard inquiry or new account is normal and recovers. A larger drop suggests you've taken on new debt or missed a payment. Contact your lender immediately if this happens — they may need to re-may have access to you or adjust your pre-approval amount.

Should I pay off my student loans before applying?

Not necessarily. Student loans have a lower impact on DTI than credit cards because they're installment debt with fixed payments. If paying them off would drain your savings, leave them alone. Focus on credit card debt first, then save for your down payment.