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Home Buying Guide May 2025 8 min read

First-Time Homebuyer Checklist: Everything You Need Before Applying for a Mortgage

Buying your first home feels like trying to solve a puzzle while someone keeps adding new pieces. Before you even walk into a bank and say "I want a mortgage," there's a bunch of stuff you need to have ready. This checklist breaks it all down with no jargon, just straight talk.

580+
Minimum credit score for most loans
3–20%
Down payment range you'll likely need
43%
Max debt-to-income ratio most lenders allow

Step 1: Know Your Credit Score

Your credit score is basically your financial report card. Lenders look at it to decide if they trust you enough to lend hundreds of thousands of dollars. The higher your score, the better the deal you'll get.

Real-world scenario

Imagine two people, Alex and Jordan, who both want to buy a $300,000 home. Alex has a credit score of 760 and gets a 6.5% interest rate. Jordan has a 620 and gets 8.2%. Over 30 years, Jordan ends up paying nearly $90,000 more than Alex. Same house. Huge difference. That's why your score matters so much.

  • Pull your free credit report at AnnualCreditReport.com
  • Check for errors and dispute anything that looks wrong
  • Aim for 620+ for a basic FHA loan, 740+ for the best rates
  • Don't open new credit cards or take on new debt right before applying
Quick tip
Paying down your credit card balances below 30% of the limit is one of the fastest ways to bump up your score, sometimes in just 30 to 60 days.

Step 2: Save Up Your Down Payment

The down payment is the chunk of money you pay upfront. It's not the full price of the house, just a percentage of it. The bigger the down payment, the smaller your monthly mortgage payments.

Real-world scenario

Say the house costs $250,000. A 3.5% down payment (FHA minimum) means you need $8,750 upfront. A 20% down payment means $50,000. The catch? If you put less than 20% down, most lenders tack on something called PMI (Private Mortgage Insurance), which adds $100 to $300 a month to your bill until you've built enough equity.

  • FHA loans: as low as 3.5% down with a 580+ credit score
  • Conventional loans: usually need 5 to 20% down
  • VA loans (military): sometimes 0% down
  • Set up a dedicated savings account just for your down payment
  • Look into down payment assistance programs in your state

Step 3: Gather Your Financial Documents

When you apply for a mortgage, the lender is going to want to see proof that you actually make money and can pay them back. Think of it like showing your homework. They won't just take your word for it.

  • Last 2 years of W-2s or tax returns (shows your income history)
  • Last 30 days of pay stubs (proves your current income)
  • Last 2 to 3 months of bank statements (shows you have money saved)
  • Photo ID (driver's license or passport)
  • Social Security number
  • List of all debts (car loans, student loans, credit cards)
  • Proof of any other income (rental income, freelance work, etc.)
Quick tip
Self-employed? You'll need 2 full years of tax returns AND a profit-and-loss statement. Start collecting these early. They're a pain to track down last minute.

Step 4: Understand Your Debt-to-Income Ratio (DTI)

Your DTI is a simple math equation: add up all your monthly debt payments, divide by your monthly gross income, and multiply by 100. That percentage tells lenders how stretched your finances are.

Real-world scenario

Say you make $5,000 a month. You have a $400 car payment and $200 in student loans. That's $600 in monthly debt. $600 divided by $5,000 equals 12% DTI. Once you add your future mortgage payment, lenders want the total to stay under 43%. Most lenders actually prefer under 36%.

  • Calculate your current DTI before applying
  • Pay off any small debts to lower your ratio
  • Avoid making any big purchases (cars, furniture) before closing

Step 5: Figure Out How Much House You Can Actually Afford

Here's a trap a lot of first-time buyers fall into: the bank approves them for $400,000, so they think they can afford a $400,000 house. Not necessarily. Just because someone is willing to lend you money doesn't mean paying it back won't wreck your monthly budget.

Real-world scenario

Mia gets pre-approved for $380,000. But when she adds it all up, mortgage, taxes, insurance, HOA fees, and utilities, her monthly costs come to $2,900. She only makes $4,200 a month take-home. That leaves $1,300 for literally everything else: food, gas, subscriptions, emergencies. A $280,000 home would have been a much more comfortable fit.

  • Use the 28% rule: your mortgage shouldn't exceed 28% of your gross monthly income
  • Factor in property taxes, insurance, and HOA fees
  • Budget for maintenance, plan for about 1% of the home's value per year
  • Keep 3 to 6 months of expenses in an emergency fund after buying

Step 6: Get Pre-Approved (Not Just Pre-Qualified)

There's a big difference between pre-qualification and pre-approval. Pre-qualification is like a quick gut check. The bank hears your numbers and says "sounds about right." Pre-approval actually involves them verifying your documents and pulling your credit. It's a real commitment.

In most housing markets today, sellers won't even look at your offer without a pre-approval letter. Think of it as your entry ticket to house hunting.

  • Shop around and get pre-approved by 2 to 3 lenders to compare rates
  • Multiple mortgage credit pulls within 14 to 45 days only count as one hit to your score
  • Pre-approval letters are typically valid for 60 to 90 days
  • Don't change jobs during this process. Lenders hate that.
Quick tip
Even a 0.25% difference in interest rate on a $300,000 loan is worth about $15,000 over 30 years. Shopping around for rates is 100% worth the extra hour of effort.

Step 7: Budget for Closing Costs

People get blindsided by this one all the time. Closing costs are the fees you pay when you finalize the purchase, and they're not cheap. We're talking 2 to 5% of the loan amount on top of your down payment.

Real-world scenario

You saved exactly $15,000 for a 5% down payment on a $300,000 home. Closing day arrives and suddenly you owe another $6,000 to $9,000 in closing costs. If you didn't account for that, you're stuck. Always save more than just your down payment amount.

  • Expect to pay 2 to 5% of the loan amount in closing costs
  • Common fees: appraisal, title insurance, lender fees, attorney fees
  • Ask about rolling closing costs into the loan (some programs allow this)
  • Negotiate with the seller, since sometimes they'll cover part of closing costs

Step 8: Build Your Team

You don't have to figure this out alone. Buying a home is a team sport, and you'll want the right players in your corner before you start making offers.

  • Real estate agent: a buyer's agent works for YOU and costs you nothing (seller pays their fee)
  • Mortgage lender or broker: shops rates and guides you through the loan process
  • Home inspector: critical, never skip this step.
  • Real estate attorney: required in some states, optional but smart in others
Quick tip
Always hire an independent home inspector, not one recommended by the seller. The inspection is your best chance to catch hidden problems before you're legally on the hook for them.

The Quick Master Checklist

Before you submit a single mortgage application, run through this list:

  • Credit score pulled and reviewed
  • Credit errors disputed and corrected
  • Down payment saved (plus extra cushion)
  • Closing cost fund set aside separately
  • Emergency fund intact (3 to 6 months of expenses)
  • All financial documents organized and ready
  • DTI calculated and ideally under 36%
  • Realistic budget set based on take-home pay, not bank approval amount
  • Pre-approval from at least 2 lenders compared
  • Real estate agent and inspector lined up

Buying your first home is probably the biggest financial move you'll ever make. But it doesn't have to be overwhelming. Every step above is something you can tackle one at a time. Start with your credit score, work through the savings, get your paperwork in order, and you'll walk into that lender's office feeling like you actually know what you're doing. And you will.

The goal isn't to be perfect before you apply. It's to be prepared. Prepared means knowing what's in your accounts, what's on your credit report, and what your budget actually looks like. You've got this.

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Run the numbers with Home Kruncher

Before you fall in love with a house, make sure the math makes sense. Home Kruncher is a free mortgage calculator built to help first-time buyers see the full picture: monthly payments, total interest, down payment impact, closing costs, and more.

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