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PITI: The Four Payments Hiding Inside Your Mortgage Payment

The number a mortgage quote advertises is principal and interest; the number your bank collects usually adds taxes, insurance, and sometimes PMI and HOA dues. Each component explained, and which ones you can actually control.

Published · Home & Mortgage · 2 min read

First-time buyers routinely budget around the payment a rate quote implies, then discover at closing that the real monthly figure is hundreds of dollars higher. Nothing went wrong — the quote advertised P&I, and the escrowed reality is PITI and friends. Knowing the anatomy in advance is the difference between a payment you chose and one that happened to you.

The four letters

  • Principal — the slice that reduces your balance. Early on it is the minority of even the P&I portion; it grows every month as amortization grinds forward.
  • Interest — the lender's charge on the outstanding balance. Falls as the balance falls; dominated early years.
  • Taxes — property tax, typically collected monthly into escrow and paid out by the servicer. Set by local government; commonly 0.5–2.5% of home value per year depending on the state and county.
  • Insurance — homeowners coverage, escrowed the same way. Sharply higher in coastal, wildfire, and storm regions.

The frequent fifth and sixth

PMI — private mortgage insurance — attaches to most conventional loans with under 20% down, until equity milestones remove it. HOA or condo dues are not part of the mortgage but are just as mandatory, and lenders count them when qualifying you. Together these can add $150–$600 to a monthly housing bill.

Which pieces you control

Principal and interest are fixed by the loan you choose — rate shopping and the term decision are where that battle is fought, once. Taxes follow assessed value; appealing an assessment occasionally works. Insurance is shoppable annually and worth re-quoting every few years. PMI is removable with equity; dues are removable only by moving. Escrow itself recalculates yearly — a tax reassessment or insurance repricing changes your payment even on a fixed-rate loan, which is the answer to the perennial "why did my fixed payment change?"

The mortgage calculator builds the full stack — P&I, taxes, insurance, PMI, and dues — so the number you plan around is the number the bank will actually collect.

Run your own numbers

Mortgage Calculator Estimate a full monthly payment including property tax, insurance, HOA dues, and mortgage insurance — not just principal and interest. Home PMI Calculator What private mortgage insurance costs each month, what it costs in total, and the two dates on which it can come off. Home Closing Costs Calculator Total the cash you need at closing, grouped the way a Loan Estimate groups it so the two can be compared line by line. Home

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This article is general education, not tax, legal, investment, or financial advice. Figures used in examples are illustrations, not quotes or predictions. For decisions that depend on your full situation, talk to a qualified professional.