How Mortgage Lenders Score Your Credit
Mortgage lenders use a tri-merge credit report that pulls scores from all three major bureaus: Experian, Equifax, and TransUnion. They then take the middle score: not the highest, not the average. If you have two borrowers, they use the lower of the two middle scores to qualify the loan.
Most lenders use a version of FICO called FICO 2, 4, or 5, older scoring models specifically designed for mortgage underwriting. These can produce scores 20-40 points different from the FICO 8 or VantageScore you see on Credit Karma or your credit card app. Don't be surprised if your mortgage score is lower than your consumer score.
Minimum Credit Scores by Loan Program
FHA Loans: 580 minimum for 3.5% down. Scores from 500-579 may qualify with 10% down at some lenders.
VA Loans: No federal minimum, but most lenders require 580-620.
Conventional (Fannie Mae / Freddie Mac): 620 minimum. Better pricing kicks in at 660, 680, 700, 720, 740, and 760.
Jumbo Loans: Typically 700+ for the best rates; some programs allow down to 660 with strong reserves and lower loan-to-value.
USDA Loans: 640 minimum on most programs.
Higher scores don't just open more programs, they earn you better rates. The pricing difference between a 640 and a 760 FICO can be 0.5%-1.0% on the interest rate, which translates to tens of thousands of dollars over the life of the loan.
What Goes Into Your FICO Score
FICO weights five categories: Payment history (35%) is the single biggest factor, even one 30-day late payment in the past 24 months hurts. Amounts owed / utilization (30%): how much of your available credit you're using, especially on credit cards. Length of credit history (15%): the average age of your open accounts. New credit (10%): recent inquiries and newly opened accounts. Credit mix (10%): having different types of credit (revolving, installment, mortgage).
How to Boost Your Score Before Applying
Pay down credit cards. The fastest, highest-impact move is reducing utilization. Get every card below 30% of its limit; below 10% is even better. If you can, pay them all to $0 the month before your mortgage pull.
Don't close old accounts. Closing a card shortens your average account age and reduces your total available credit, raising your utilization ratio.
Don't open new accounts. Don't apply for a car loan, store card, or new credit card in the six months before you apply for a mortgage. Every hard inquiry costs you a few points.
Dispute errors carefully. Pull your free reports at annualcreditreport.com and dispute any inaccurate accounts. But be careful: actively disputed accounts can cause underwriting issues, so try to resolve disputes well before applying.
Pay everything on time. Even one 30-day late payment can drop your score 60-100 points. Set up autopay on every account.
Common Credit Issues, and How They Affect a Mortgage
Collections: A medical collection under $500 generally doesn't disqualify you. Larger collections, especially recent ones, may need to be paid off or have a payment plan before closing.
Bankruptcy: Chapter 7 requires a 2-year wait (FHA, VA) or 4-year wait (conventional) from discharge date. Chapter 13 requires 1-2 years of on-time payments.
Foreclosure or short sale: Typically a 2-7 year wait depending on the program and the circumstances.
Disputed accounts: Active disputes often need to be removed before underwriting. The dispute resolves with the bureau, but the account flag remains until cleared.
What If My Score Isn't Where I Need It Yet?
You have options. A loan officer can review your full credit report and identify the 1-2 highest-impact moves to boost your score, sometimes 20-40 points within a single statement cycle. Many of our clients are mortgage-ready within 30-90 days of starting credit prep.
Beyond that, there are loan programs specifically designed for borrowers with thinner or rougher credit profiles, manual underwriting on FHA, bank statement loans for self-employed borrowers, and asset-based lending for retirees with strong reserves but limited income.