What are refinance closing costs?
Refinance closing costs are the fees to originate a new loan, and they look a lot like the costs on your original mortgage. They generally fall into a few buckets: lender fees such as origination and underwriting; third-party services like the appraisal, title search, and settlement; government recording and transfer charges; and prepaid items such as prepaid interest, property taxes, and homeowners insurance.
Altogether these typically run a few percent of the loan amount, though the exact figure depends on your loan size, your location, and the lender, so I won't quote you a number as if it were universal. What I will do is give you a clear, itemized estimate of your real costs before you commit, because the whole break-even calculation depends on getting that number right.
Is a no-closing-cost refinance really free?
No, and this is the most important myth to clear up. A 'no-closing-cost' refinance is NOT free. The closing costs are typically rolled into the loan balance (so you finance them and pay interest on them) or paid for through a higher interest rate. It is a tradeoff, not free money.
So a "no-closing-cost" refinance doesn't make the costs disappear; it moves them. In one version, the lender adds the costs to your loan balance, so you finance them and pay interest on them over the life of the loan. In the other, you accept a higher interest rate, and the lender uses the extra margin to cover the costs. Both are real, both are paid over time, and either can occasionally be the right call, for example, if you won't keep the loan long enough for upfront costs to make sense. But it is a tradeoff, never free money, and I'll always show you which way the costs are flowing so you can decide with the full picture.
Can you roll closing costs into the refinance?
Often, yes, if you have enough equity. Rolling the costs into the loan means you don't pay them in cash at closing; instead they're added to your balance. That keeps cash in your pocket today, which can matter, but it increases the loan amount, so you pay interest on those costs over the term.
Whether rolling them in is smart depends on your situation and your break-even. If you'll keep the loan a long time, financing a few thousand dollars in costs over 30 years adds up; if cash is tight now and the refinance still clears its break-even, it can be reasonable. There's no universal right answer, just your math, which is exactly what the break-even calculation is for.
How does the break-even calculation work?
The break-even point is the single most useful number in deciding on a refinance. Break-even months = total closing costs / estimated monthly savings. It is always a labeled estimate that shows its inputs (your closing costs and your own estimated monthly change), never a guarantee or a Reg Z rate quote.
Here's a worked example with the inputs shown. It's an estimate from sample numbers, not your actual figures, a quote, or a guarantee. Suppose your total closing costs come to $4,800, and your own estimate of the monthly change is $200. Then your break-even is $4,800 divided by $200, which is 24 months. Keep the loan comfortably past 24 months and the refinance has time to earn back its cost; sell or refinance again before then and it may not pay for itself. If you roll the costs into the loan instead of paying cash, factor that into both sides of the math. Your real inputs will differ, which is why I run them with you and why the refinance break-even calculator lets you plug in your own numbers.
When does the cost math work in your favor?
When you'll keep the loan well past your break-even point, and when the term reset doesn't quietly add more total interest than the lower rate saves. Those are two separate checks: the break-even tells you when the upfront costs are recovered; the term-reset check, covered in the when-to-refinance guide, tells you what happens to your total interest over the life of the loan.
Put together, they keep you from the classic mistake: a refinance that looks great on the monthly payment but costs more over time once you count the closing costs and the reset term. I run both numbers in the open, so you can see exactly when the cost math works and when it doesn't, and decide with facts instead of a pitch.