What Credit Score Do You Need to Buy a Home in Exton or Downingtown PA?

Credit score is the single variable most buyers focus on — and often misunderstand. There is no universal minimum to buy a home. The number that matters depends on which loan program you are using, how much you are putting down, and what rate you are willing to accept.

Here is what credit score actually means for homebuyers specifically in the Exton and Downingtown PA market.

Minimums by Loan Program

Different loan programs have different credit score floors:

• Conventional loans: 620 minimum for most lenders; rates and PMI costs improve substantially at 700, 720, and 740+
• FHA loans: 580 minimum for 3.5% down; 500–579 qualifies with 10% down at some lenders
• VA loans: no official VA minimum; most lenders require 580–620; best rates at 680+
• USDA loans: 640 minimum for automated underwriting; 580+ possible with manual underwriting
• Jumbo loans: typically 700 minimum; 720–740+ for best pricing

The minimum gets you in the door. It does not get you the best rate. The difference between a 620 and a 740 credit score on a conventional loan can be 0.5–1.0% in rate — which on a $350,000 loan is $100–$200/month.

How Credit Score Affects Your Rate in This Market

In the Exton and Downingtown market, where median home prices often land between $325,000 and $475,000, credit score impact is significant. Lenders use loan-level price adjustments (LLPAs) — a grid of rate add-ons based on credit score and loan-to-value ratio. The adjustments compound: a lower score at a higher LTV (lower down payment) carries double the penalty versus a high score with more down.

Concretely: a 680 credit score buyer putting 5% down on a $400,000 conventional loan pays meaningfully more in rate than a 740 score buyer at the same down payment. The gap is large enough that in some scenarios, FHA is actually cheaper for the 680 borrower despite FHA's MIP.

The Three Scores — Which One Matters

When lenders pull your credit, they pull from all three bureaus — Equifax, Experian, and TransUnion — and use the middle score. If your three scores are 688, 704, and 712, your qualifying score is 704. On joint applications, the lender uses the lower middle score of the two borrowers.

This matters in practice: if one borrower on a joint application has a 698 middle score and the other has a 755, the loan prices at 698. Sometimes removing the lower-score borrower from the application (if their income is not needed to qualify) produces a better rate — but then their income cannot be used to qualify either. Your broker should model both scenarios.

What to Do Before You Apply

If your score is not where you want it, there are legitimate ways to improve it before applying:

• Pay down revolving credit balances. Credit utilization (balances as a percentage of limits) is the fastest-moving factor. Getting card balances below 30% of their limits — and ideally below 10% — can move scores meaningfully within 30–60 days.
• Do not close old accounts. Length of credit history and available credit both factor in. Closing unused cards can hurt your score.
• Dispute errors. Pull your reports from all three bureaus and dispute any inaccuracies. Errors are more common than most people expect.
• Avoid new credit inquiries. Each hard pull can drop your score slightly. Hold off on any new credit applications — car loans, credit cards — until after you close.
• Do not miss payments. Even one 30-day late payment can significantly damage a strong score.

When to Apply vs. When to Wait

This is the real question, and the answer depends on how close you are to a pricing tier. If your score is 698, a few months of focused effort could push you past 700 and meaningfully lower your rate. If your score is 755 and you need 760 for theoretical top-tier pricing, the cost of waiting versus the cost of buying now (including potential price appreciation in Chester County) is often not worth it.

Your broker should be able to run the math on what a 30 or 60-day delay costs you in home price risk versus what it saves you in rate. That analysis, not a generic rule, should drive your timing decision.

If you want to see exactly where your score puts you in today's rate environment, a free quote from Zurn Mortgages gives you real pricing for your specific profile — no credit pull required for the initial conversation, so checking does not affect your score.