Refinancing replaces your existing mortgage with a new loan — ideally at a lower interest rate or better terms. Done right, it can save $100,000+ over the life of a loan. Done wrong, it costs more than it saves.
Why People Refinance
- Lower interest rate — reduces monthly payment and total interest
- Shorter loan term — pay off faster, save massively on interest
- Remove PMI — if you've reached 20% equity
- Cash-out refinance — tap home equity for renovations, debt payoff
- Switch loan type — ARM to fixed for stability
The Break-Even Calculation: The Most Important Number
Refinancing costs money upfront (closing costs: 2–5% of loan amount). The break-even point is how long it takes for monthly savings to recoup those costs.
Formula: Break-even = Closing costs ÷ Monthly savings
Example:
- Current payment: $2,100/month at 7.5%
- New payment: $1,850/month at 6.0%
- Monthly savings: $250
- Closing costs: $6,000
- Break-even: $6,000 ÷ $250 = 24 months
If you plan to stay in the home at least 24 months, refinancing makes sense. If you might sell sooner, don't.
The 1% Rule of Thumb
A common guideline: refinancing is worth considering if you can reduce your rate by at least 1 percentage point.
This is a starting point, not a rule. A 0.5% reduction on a $600,000 loan may be worth it. A 1% reduction on a $100,000 loan with $4,000 closing costs might not be (30-year break-even).
Always run the actual break-even calculation for your numbers.
Current Conditions: When Does Refinancing Make Sense?
| Your current rate | Available rate | Monthly savings (on $300k loan) | Break-even (est.) |
|---|---|---|---|
| 8.0% | 6.5% | ~$290 | ~21 months |
| 7.5% | 6.0% | ~$290 | ~21 months |
| 7.0% | 5.5% | ~$289 | ~21 months |
| 6.5% | 6.0% | ~$97 | ~62 months |
Types of Refinancing
Rate-and-Term Refinance
Change only the interest rate and/or loan term. Most common. Goal: lower rate, lower payment, or shorter term.
Cash-Out Refinance
Borrow more than you owe, receive the difference in cash. Use proceeds for: home renovations (adds value), debt consolidation, large expenses.
Risk: You're increasing your mortgage balance and extending debt. Only makes sense if the new rate is lower than what you'd pay on a HELOC or personal loan.
Streamline Refinance
FHA and VA loans offer simplified refinancing with less paperwork and no appraisal required. Check if you qualify.
What You Need to Qualify
Lenders evaluate:
- Credit score: 620 minimum (conventional), 580 for FHA
- Equity: At least 20% for best rates (can refinance with less, but PMI applies)
- Debt-to-income ratio: Under 43–45%
- Income: Documented, stable
- Employment: 2+ years at current employer preferred
Your credit score has a large impact on the rate offered:
| Credit score | Typical rate adjustment |
|---|---|
| 760+ | Best available rate |
| 720–759 | +0.1–0.25% |
| 680–719 | +0.25–0.50% |
| 640–679 | +0.50–1.0% |
| Under 640 | Difficult to qualify |
Closing Costs: What to Expect
| Cost | Typical amount |
|---|---|
| Origination fee | 0.5–1% of loan |
| Appraisal | $300–600 |
| Title insurance | $500–2,000 |
| Recording fees | $100–200 |
| Prepaid interest | 0–30 days |
| Total | $3,000–8,000 |
Get quotes from at least 3 lenders. Closing costs vary significantly.
The No-Closing-Cost Refinance
Some lenders offer no-closing-cost refinancing — they roll costs into the loan or offer a slightly higher rate to cover costs. Useful if:
- You plan to sell or refinance again in a few years
- You don't have cash for closing costs
The trade-off: slightly higher rate or larger loan balance.
The Bottom Line
- Calculate break-even: closing costs ÷ monthly savings
- Refinance only if you'll stay past the break-even point
- Rate drop of 1%+ on a mid-size loan is usually worth it
- Check your credit score first — 760+ gets the best rates
- Get quotes from 3+ lenders; shopping adds zero points to your score when done within 30 days
Use our Mortgage Calculator to compare your current payment vs a refinanced payment at any rate and term.
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