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Your credit score is the single biggest lever you control in determining your mortgage rate and total cost of homeownership.
Your credit score is the single biggest lever you control in determining your mortgage rate — and your total cost of homeownership. Here's exactly how it works.
On a $300,000 30-year fixed mortgage — same home, same lender, same day — here's what your credit score actually costs you:
| Credit Score | Est. Rate | Monthly P&I | Total Paid (30yr) | Rating |
|---|---|---|---|---|
| 760-850 | 6.50% | $1,896 | $682,560 | Best |
| 700-759 | 6.72% | $1,939 | $698,040 | Great |
| 680-699 | 6.89% | $1,973 | $710,280 | Good |
| 660-679 | 7.10% | $2,013 | $724,680 | Fair |
| 640-659 | 7.54% | $2,101 | $756,360 | Poor |
| 620-639 | 8.10% | $2,214 | $797,040 | Minimum |
A 620 vs. 760 score means $318/month more, or $114,480 extra over 30 years. On the same house.
| Loan | Min Score | Ideal | Down Payment | Note |
|---|---|---|---|---|
| Conventional (Fannie/Freddie) | 620 | 740+ | 3%-20% | Best rates require 740+. Below 620 = denied. |
| FHA Loan | 580 | 620+ | 3.5% | 500-579 OK with 10% down. MIP for life of loan often. |
| VA Loan (veterans) | None (VA) | 620+ | 0% | No VA minimum, but lenders set their own floor (~620). |
| USDA Loan (rural) | 640 | 680+ | 0% | Income and location limits apply. |
| Jumbo Loan (>$766,550) | 700 | 740+ | 10-20% | Stricter standards — large loan, higher risk. |
Finance a car, furniture, or appliances; open a new credit card (even for a store discount); miss any payment on any account; move large sums of money between accounts without documentation; or quit/change jobs — lenders re-verify employment before closing.
A common fear is that applying to multiple lenders will tank a credit score through repeated hard inquiries. In reality, FICO's scoring model specifically accounts for mortgage rate-shopping: multiple mortgage inquiries made within a short window (typically 14-45 days depending on the FICO version used) are counted as a single inquiry for scoring purposes, not stacked separately. This means comparing offers from three or four lenders in the same couple of weeks costs roughly the same, score-wise, as applying to just one — there's little reason to settle for the first rate offered out of fear of score damage, as long as the shopping happens within that window rather than spread out over several months.
Typically 30-60 days, once the lower balance is reported to the bureaus on the next statement closing date.
No — pulling your own report (a "soft inquiry") through sites like AnnualCreditReport.com doesn't affect your score, unlike a lender's hard inquiry during an application.
Yes — as long as the applications happen within the same 14-45 day window, FICO treats them as a single inquiry, so shopping around doesn't meaningfully hurt the score.
Yes, if the primary cardholder has a long-standing account with low utilization — the account's positive history can be reflected on the authorized user's credit report as well, without requiring any spending from them.
Lenders typically re-verify employment shortly before closing, so a job change or gap in employment during this window can delay or jeopardize final loan approval, even if the new job pays more.
Disclaimer: This article is for general educational purposes only and does not constitute personalized financial, investment, tax, or legal advice. Figures, rates, and rules mentioned may change over time — verify current details with an official source or a qualified professional before making financial decisions.