- β¦From saving your down payment to closing day β a complete step-by-step guide for first-time buyers.
- β¦How much do I need for a down payment? β Conventional loans require as little as 3% down.
- β¦What credit score do I need to buy a house? β Minimum 620 for most conventional loans.
Bottom line: The biggest mistake first-time buyers make is not preparing their finances 12 months before they want to close. Credit score, debt-to-income ratio, and down payment savings all take time to optimize β and the rate you qualify for reflects how well you've done that work.
Buying your first home is the largest financial transaction most people ever make. The process is manageable when you understand each step β and expensive when you don't.
Step 1: Get your finances in order (6β12 months before)
Check your credit score. You can check free at AnnualCreditReport.com. Aim for 740+ for the best rates. If your score is below 620, focus on building credit before applying.
Pay down high-interest debt. Lenders look at your debt-to-income ratio (DTI). Total monthly debt payments should ideally stay below 36% of gross income, including your new mortgage payment.
Save for the down payment and closing costs. Down payment: 3β20% of purchase price. Closing costs: typically 2β5% of loan amount. On a $400,000 home with 10% down, budget $40,000 for down payment + $8,000β$20,000 for closing costs.
DTI Ratio Details
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LiveBack-End DTI
40.0%
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Step 2: Get pre-approved
A pre-approval letter shows sellers you're serious and have financing lined up. It's not a commitment β you can still shop rates.
Required documents:
- 2 years of W-2s or tax returns
- 30 days of recent pay stubs
- 2β3 months of bank statements
- List of outstanding debts
Get at least 3 quotes. The rate difference between lenders on a $350,000 loan can be 0.25β0.5%, which equals $18,000β$36,000 over 30 years.
Multiple mortgage inquiries within a 14β45 day window count as a single inquiry under FICO scoring models. Shop freely.
Step 3: Find your home
Work with a buyer's agent β they're compensated by the seller, not you. Define your must-haves vs. nice-to-haves before you start looking, or you'll compromise on the wrong things under pressure.
Understand the true cost of ownership:
- Mortgage payment (principal + interest)
- Property taxes (varies by location β budget 1β2% of home value annually)
- Homeowner's insurance ($100β200/month for most homes)
- HOA fees (if applicable)
- Maintenance (budget 1β2% of home value per year)
Step 4: Make an offer
In competitive markets, clean offers win: full pre-approval (not just pre-qualification), limited contingencies, and a realistic earnest money deposit (1β3% of purchase price).
Contingencies to keep:
- Inspection contingency β lets you walk away or negotiate after the inspection
- Financing contingency β protects your earnest money if your loan falls through
- Appraisal contingency β protects you if the home appraises below the purchase price
Step 5: Navigate escrow and close
Once your offer is accepted:
- Home inspection (Days 1β7) β hire your own inspector. Budget $400β600. Read the full report.
- Loan processing (Days 1β30) β your lender orders an appraisal, verifies all your documents, and issues a loan commitment.
- Final walkthrough (Day before close) β verify the property is in agreed-upon condition.
- Closing β sign approximately 100 pages of documents. Bring a cashier's check or arrange a wire transfer for closing costs.
You'll receive the keys at closing. The process is complete.
Compare live mortgage rates β updated daily
See Top MORTGAGE Rates βSources: National Association of Realtors 2025 Profile of Home Buyers and Sellers; Federal Housing Finance Agency House Price Index (Q4 2025); Urban Institute Housing Finance Policy Center (2025); Mortgage Bankers Association Purchase Applications Survey.
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Frequently Asked Questions
How much do I need for a down payment?
Conventional loans require as little as 3% down. FHA loans require 3.5% with a 580+ credit score. However, putting down less than 20% typically requires PMI (private mortgage insurance), adding $50β200/month to your payment.
What credit score do I need to buy a house?
Minimum 620 for most conventional loans. 580 for FHA loans. But to get the best rates, aim for 740+. The difference between a 680 and 760 score on a $350,000 loan can mean $100+/month in rate.
How long does the homebuying process take?
From starting your search to closing, plan for 3β6 months. Getting pre-approved takes 1β3 days. Finding the home can take weeks to months. Once under contract, closing takes 30β45 days.