Your credit score comes from your report. Focus on accurate information, on-time payments and manageable card balances before applying for a mortgage.
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WHAT MAKES UP YOUR SCORE
The five main FICO® Score factors
FICO publishes these general category weights. They describe overall importance—not a formula for predicting your score or the points one action will earn. Other scoring models can use different factors and weights.
1. Payment history
Do you pay as agreed?
FICO looks at whether payments were on time, how late missed payments became, how recently problems happened and how many accounts were affected. Collections and bankruptcies can also matter.
Paying your card by the due date builds a record of on-time payments. Paying late can create both fees and a credit-report issue; check the account terms and contact the creditor if you fall behind.
What to do: Set due-date reminders or automatic payments, and check that the payment actually goes through. If you are behind, ask your creditor about bringing the account current.
2. Amounts owed
How much of your credit are you using?
This includes card utilization, total balances, the number of accounts with balances and how much of installment loans remains. It is broader than just the dollars you owe.
A $900 reported card balance with a $3,000 limit is 30% utilization. A $300 balance with the same limit is 10%. The ratio changes, but the exact score effect depends on your full report.
What to do: Track reported balances and limits, not only today’s app balance. Keep balances manageable. You do not need to pay interest to build credit.
3. Length of credit history
How long have you managed credit?
FICO considers your oldest and newest accounts, the average age of accounts, and how long specific accounts have been established. A longer history can help, but a short history does not rule out a good score.
For a simple age illustration, accounts aged 8 years and 2 years average 5 years. Adding a brand-new account makes that simple average about 3.3 years. Actual scoring uses more information than this arithmetic.
What to do: Give responsible account use time to build a record. Before opening or closing an account during mortgage shopping, ask your lender how the change could affect your application.
4. New credit
Have you applied for or opened credit recently?
Recent applications and newly opened accounts can affect FICO Scores. Several new accounts close together may signal more risk, especially when your credit history is short.
Opening multiple store cards for discounts can add inquiries and new accounts. Checking your own report is different: it does not lower your score.
What to do: Apply when you need credit. Mortgage rate shopping has special inquiry treatment; it is different from opening several cards. The details depend on the scoring model and timing.
5. Credit mix
What types of credit have you managed?
FICO considers experience with revolving accounts, such as credit cards, and installment accounts, such as auto or student loans. How you repay those accounts still matters.
A card and an auto loan represent two different types of credit. That does not mean you should take out an auto loan just to change your mix.
What to do: Manage the accounts you actually need. Do not borrow or pay interest solely to add a new account type.
Source: myFICO’s explanation of FICO Score factors ↗. Checked October 12, 2026.
Lower balances can help. This is a usage example, not a score prediction.
Your report and score do different jobs
Your credit report lists your credit accounts and payment history. A score uses information from that report to estimate lending risk. You can have more than one score. The score you see in an app may differ from the one a mortgage lender uses.
Build habits before chasing a number
Pay bills on time. Keep card balances low compared with their limits. Apply for new credit when you need it. Review your reports for mistakes. You do not need to carry a balance or pay interest to build a good score.
Try the utilization math
A $600 reported balance on a $3,000 limit is 20% utilization: $600 ÷ $3,000 × 100. This example measures card usage, not your score. A lower balance can help, but no single percentage guarantees a score increase.
Before applying for a mortgage
Ask the lender which score and credit requirements apply to your loan. Review your reports early so you have time to address problems. Avoid promising yourself a set number of points by a deadline.
Why mortgage scores may differ
Write down the bureau, scoring model and date when you compare scores. If a lender gives you a different number, ask which information and model it used. A difference does not automatically mean either number is wrong.
Make a simple credit review sheet
For each account, record the balance, limit, payment due date and whether the report is accurate. Put suspected errors in a separate list with supporting records. This organizes the work without guessing how many score points each action might produce.
SEE THE NUMBERS
Two cards: check each card and the total
| Card | Reported balance | Limit | Usage |
|---|---|---|---|
| Card A | $600 | $1,000 | 60% |
| Card B | $0 | $2,000 | 0% |
| Combined | $600 | $3,000 | 20% |
The combined ratio is $600 ÷ $3,000 = 20%. Card A is still using 60% of its own limit. These calculations describe usage; they do not predict a score change.
Key terms, in plain English
- Credit report
- The record of your accounts, balances and payment history.
- Credit score
- A number calculated from report information using a scoring model.
- Utilization
- The share of available revolving credit currently reported as used.
- Credit limit
- The maximum amount an issuer allows on a credit account.
Common mistakes to avoid
- Paying interest just to build credit. You can build a history without carrying interest-bearing debt.
- Assuming a score shown in one app is the score every lender will use.
- Expecting a balance payment to create an immediate, guaranteed score increase.
Questions to ask
Bring these to your lender, agent or housing counselor, as appropriate.
- Which score and report information are you using for this mortgage?
- What part of my credit profile is limiting my loan choices?
- Before I change an account, could that affect this application?
Common questions
Why do I see different scores?
Different models, report information, loan products and calculation dates can produce different scores. Compare the source and date before treating two numbers as equivalent.
Does checking my own report lower my score?
No. Reviewing your own credit report does not lower your score. It helps you spot information that needs attention.
Is one credit score enough to get approved?
A score is one part of the review. Your lender also evaluates your income, assets, debts, property and the requirements of the selected loan.
Your next steps
- Check all three credit reports.
- Set reminders for payment due dates.
- Write down each card balance and limit.
Sources and further reading
Official resources checked October 12, 2026. Loan and program rules can change. Confirm the requirements for your own purchase.
- CFPB: credit reports and scores ↗
- CFPB: building a good score ↗
- CFPB: reports versus scores ↗
- FICO: the five score categories ↗
- FICO: payment history ↗
- FICO: amounts owed ↗
- FICO: credit history length ↗
- FICO: new credit ↗
- FICO: credit mix ↗
- FICO: what is not included ↗
Educational information and planning examples; not a loan offer or personalized financial advice.