Your mortgage balance is the amount of money you still owe on your home loan. It's also commonly referred to as your outstanding loan balance, principal balance, or remaining mortgage payoff amount.
Understanding this term is important because it affects your equity, refinancing options, and long-term financial planning.
This guide explains “What Is the Mortgage Balance Called?”, how it changes, and why it matters for homebuyers and homeowners.
What Exactly Is a Mortgage Balance?
Your mortgage balance is the current amount you have left to repay on your home loan.
When you first buy a home, your balance equals the amount you borrowed. Over time—through monthly payments—it goes down.

Other Names for Mortgage Balance
Different lenders or statements may use alternate terms, such as:
- Outstanding Mortgage Balance
- Principal Balance
- Unpaid Principal Balance (UPB)
- Remaining Loan Amount
- Payoff Balance (when including daily interest)
These terms all refer to the same idea: how much you still owe.
Mortgage Balance vs. Payoff Amount (Not the Same!)

Many homeowners confuse these two:
Mortgage Balance
- The raw principal you still owe
- Does not include daily interest or fees
Payoff Amount
- The exact amount needed to completely pay off your loan
- Includes:
- Daily interest (per diem)
- Any lender-related fees (if applicable)
If you're refinancing or selling a home, lenders use the payoff amount, not the balance.
How Your Mortgage Balance Changes Over Time
1. Monthly Payments
Most mortgages use amortization, meaning each payment reduces your balance a little more over time.
→ Read more: How can I reduce my mortgage payment?
2. Extra Payments
Putting extra money toward principal lowers your balance faster and reduces interest costs.
3. Refinancing
A refinance replaces your old mortgage with a new one. Your mortgage balance becomes the starting balance of the new loan.
→ Read more: Does refinancing lower your monthly payment?
4. Home Equity Impact
Your balance directly affects your home equity:
Home Equity = Current Home Value – Mortgage Balance
Lower balance = higher equity.
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Where to Find Your Mortgage Balance
You can check it through:
- Your monthly mortgage statement
- Your lender’s online portal
- Your mortgage servicer’s customer support line
This number is updated every payment cycle.
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FAQ: Mortgage Balance