Should You Pay Off Your Mortgage Early?

Two different kinds of return

Simplest version: rate meaningfully below the long-run market average favors investing; rate at or above it — as some 2023–2024 buyers locked in — lets payoff win on both expected value and certainty at once. Either way, expected value isn't certainty, and a guaranteed return has real value a spreadsheet doesn't fully capture.

What extra payments do (and don't do) to PMI

A common mistake: assuming extra principal shrinks your PMI (private mortgage insurance — the extra monthly charge lenders add below 20% equity) premium. It doesn't. PMI is priced against your current loan-to-value ratio — your balance as a percentage of the home's value — and it ends entirely, not gradually, once you cross a threshold. Your servicer must automatically terminate PMI at 78% of the original value, and you can request it at 80%, per the CFPB.

The mortgage interest deduction, honestly

The deduction only reduces your taxes if you itemize, and most filers don't. The IRS's 2026 standard deduction is $16,100 single and $32,200 married filing jointly — high enough that most filers take it rather than itemize. If that's you, “but I get a tax break” is not a real reason to keep the loan outstanding longer, because there is no tax break happening.

If you do itemize — a large mortgage, high state and local taxes, or significant charitable giving — the deduction lowers your effective rate somewhat, nudging the math slightly toward investing. It rarely flips the decision on its own.

Where extra mortgage payments fit in your order of operations

1. 01

   Emergency fund first

   Home equity isn't liquid. Build cash reserves before locking more money into the house.

2. 02

   Capture the full employer 401(k) match

   An immediate, guaranteed return no payoff or market return beats — never skip it to prepay a mortgage.

3. 03

   Pay off higher-interest debt

   Credit cards and personal loans typically run well above any mortgage rate. Clear those first.

4. 04

   Then: extra principal vs. investing the rest

   The rate-vs-expected-return trade-off above applies here — after the higher-certainty moves are already made.

Before you send extra money: three things to check

Everything above assumes your extra dollars actually shorten the loan. In practice, three checks decide whether they do.

• Confirm it's applied principal-only, not next month's payment. Some servicers default an extra payment to "paid ahead" — it covers next month's bill early instead of reducing your balance, which does nothing for total interest. Log in and mark the payment "apply to principal" (most servicer portals have this option), or call and confirm it in writing. Check your next statement to verify the balance actually dropped.
• Check for a prepayment penalty. Rare on conventional loans originated after 2014, but not extinct — some non-QM, investor, and older loans still carry one. It is disclosed in your closing documents or Loan Estimate; if you don't have them, ask your servicer directly before sending a large lump sum.
• Know what happens to escrow when you pay off the loan entirely. Your escrow account — the reserve your servicer holds to pay your property taxes and insurance — is not forfeited. Once the loan is paid in full, the servicer closes the account and refunds any positive balance, typically within 20–30 days. You then become responsible for paying taxes and insurance directly.

Recast, refinance, or just pay extra?

These are three different tools for three different goals, and confusing them leads to the wrong one:

• Extra principal, no recast. Required payment stays the same; the loan pays off faster and total interest drops. This is what an early payoff calculator models.
• Recast. A lump sum (lenders typically want $5,000–$10,000 minimum), then the lender re-amortizes — recalculates — your remaining balance over the same term and rate, so your required monthly payment goes down. Fees run roughly $150–$500, per Bankrate, far less than a refinance.
• Refinance. Replaces the loan entirely — can change rate and term, with full closing costs. Only worth it if today's rates meaningfully beat your current one.

Want a smaller required bill without touching your rate: recast beats refinance on cost. Want less total interest and don't need the lower payment: skip the recast fee, send extra principal.