Calculate break-even
Divide applicable refinance costs by monthly savings for a simple estimate, then test whether balance differences, financed costs, taxes, insurance, or a changed term alter the result.
Refinance and equity
A lower payment is not the whole refinance decision.
Compare break-even, lifetime cost, term reset, closing-cost funding, cash-out leverage, equity, and reserves in one reproducible view.
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Sign inHow to evaluate a mortgage refinance
A refinance should be evaluated as a new loan, not merely a lower rate. Compare closing costs, payment change, break-even, remaining balance, new term, total modeled interest, equity, and the effect on household reserves.
Watch the term reset
Replacing a partly repaid mortgage with a new long-term loan can lower the payment while increasing the repayment period. Compare balances and cumulative costs at realistic future dates.
Separate cash-out decisions
Cash-out refinancing increases mortgage debt secured by the home. Evaluate the purpose, alternative financing, payment, equity cushion, and risk if income or property value falls.
Protect reserves
Paying costs in cash may improve loan economics but weaken liquidity. Financing costs preserves cash but increases the balance and interest. Model both choices.
Frequently asked questions
How much lower should a rate be before refinancing?
There is no universal rate difference. The decision depends on closing costs, loan balance, payment savings, new term, expected holding period, and whether costs are paid or financed.
What is refinance break-even?
It is the estimated time for monthly savings to recover relevant upfront costs. A complete analysis also compares loan balances, term changes, and total modeled cost.
Can refinancing reduce equity?
Yes. Financing closing costs or taking cash out increases the loan balance, which reduces the homeowner's equity compared with an otherwise identical scenario.