Amortization Mortgage Calculator With Taxes and Insurance

What "PITI" Actually Means: Meet Dana and Marcus

Dana and Marcus are buying a $340,000 starter home in a growing suburb outside Columbus, Ohio. They put 10% down ($34,000), leaving a $306,000 loan at 6.75% over 30 years. Their loan officer quotes them a principal-and-interest payment of about $1,985 a month— and for weeks, that's the number they mentally budget against. Then their closing disclosure arrives with a very different figure: roughly $2,600 a month.

Nothing went wrong. The extra ~$615 is simply the rest of PITI plus two more line items their local market requires: property taxes at roughly a 1.1%-of-value annual rate (close to the average effective U.S. rate reported by the Tax Foundation), homeowners insurance, private mortgage insurance because their down payment is under 20%, and a monthly HOA due for their subdivision's shared retention pond and entrance landscaping. Their servicer collects four of those five pieces — principal, interest, tax, and insurance, plus PMI — in one bundled monthly draft. The fifth, HOA, goes out of their checking account separately, straight to the HOA's management company.

This is the single biggest source of confusion in mortgage shopping: the number a lender advertises as "your payment" during rate comparison is almost always P&I only, while the number that shows up on your bank statement every month for the life of the loan is the full PITI-plus package. Understanding how each piece is calculated, collected, and adjusted is what separates a buyer who budgets accurately from one who gets blindsided every time their county reassesses.

Property Taxes: How They're Estimated, Escrowed, and Why They Rise Almost Every Year

At closing, your lender doesn't guess at your property tax bill — they pull the most recent assessed value and local mill rate from the county assessor and estimate your annual liability from that. For Dana and Marcus, a $340,000 assessed value at roughly a 1.1% effective rate works out to about $3,740 a year, or $311.67 a month, which their servicer collects alongside principal and interest and holds in an escrow account until the county's tax bill comes due.

Two things make that number move every year. First, most counties reassess property values on a cycle — anywhere from annually to every three or four years depending on the jurisdiction — and a rising local market almost always means a rising assessed value. Second, local millage rates themselves can change when a school district or municipality passes a new levy. Neither of these is something your servicer controls; they simply pass the actual bill through to you and adjust your monthly escrow collection to match it at your next annual review. A tax bill that jumps from $3,740 to $4,100 doesn't change your loan balance or interest rate at all — but it will raise your total monthly payment the next time your servicer recalculates your escrow line.

If Dana and Marcus think their assessed value is too high, most counties have a formal appeal window each year — typically 30 to 60 days after assessment notices go out — where homeowners can present comparable sales or an independent appraisal to argue for a lower value. It's also worth checking whether the county offers a homestead exemption for owner-occupied primary residences, since that can shave a meaningful percentage off the taxable value before the millage rate is even applied. Neither fix is automatic — a servicer keeps collecting escrow based on the last bill it received until the homeowner successfully appeals or files the exemption paperwork.

Homeowners Insurance and Escrow Mechanics: What the Account Actually Is

Your homeowners insurance premium is collected the same way property tax is: divided by twelve, added to your monthly payment, held in escrow, and paid out in a lump sum when your policy renews. Dana and Marcus's $1,560 annual premium adds $130 a month to their collected payment. If their insurer raises the premium at renewal — increasingly common given rebuilding-cost inflation and regional weather risk — that $130 line rises too, independent of anything happening with their loan itself.

Once a year, federal servicing rules require your servicer to run a full escrow account analysis: comparing what actually went in and out of the account against what was projected, then resetting your monthly deposit for the year ahead. The table below summarizes how that account works in practice.

For the official federal explanation of how these accounts work, see the Consumer Financial Protection Bureau's guidance on escrow and impound accounts.

HOA Dues: Why Your Lender Doesn't Escrow Them

Dana and Marcus's $45 monthly HOA due never touches their mortgage servicer at all. HOA and condo association fees are a contract between the homeowner and the association, not between the homeowner and the lender, so servicers have no legal mechanism — and generally no interest — in collecting or disbursing them. Instead, homeowners pay their HOA directly, often monthly or quarterly, straight to the association or its management company.

That doesn't mean HOA dues are irrelevant to your loan. Underwriters still add your HOA payment to your housing costs when calculating your debt-to-income ratio, meaning a $500/month HOA due can reduce how much home you qualify for just as surely as a higher tax bill would. And missing HOA payments carries real consequences: many associations can place a lien on your home for unpaid dues, and in some states that lien can eventually lead to foreclosure independent of your mortgage standing. Because it isn't escrowed, there's no servicer safety net catching a missed HOA payment the way there is for taxes or insurance — it's entirely on the homeowner to stay current.

One more wrinkle worth budgeting for: special assessments. Unlike the steady monthly due, a special assessment is a one-time charge an association can levy when its reserve fund can't cover a large, unplanned expense — a roof replacement, a failed retention-pond pump, storm damage. Because these are billed directly to homeowners and never escrowed, they show up as a surprise invoice rather than a gradual escrow adjustment, which is exactly why buyers should review an HOA's reserve study and recent meeting minutes before closing, not just its current monthly due.

Private Mortgage Insurance (PMI): When It Applies and How It Comes Off

Because Dana and Marcus put down 10% rather than 20%, their lender requires PMI to protect against the higher default risk of a smaller down payment. At a typical rate of roughly 0.5% of the loan balance per year, their $306,000 loan carries about $1,530 a year, or $127.50 a month, collected alongside their other escrow items.

PMI isn't permanent. Under the Homeowners Protection Act, a servicer must automatically cancel PMI once the loan balance is scheduled to reach 78% of the home's original value, assuming the borrower is current on payments. Borrowers can also request cancellation earlier, at 80% of original value, in writing — sometimes with a fresh appraisal to confirm the home hasn't lost value. Unlike property tax and insurance, PMI doesn't fluctuate with market conditions once it's in place; it simply drops off the payment entirely once the LTV threshold is hit, which is exactly the kind of milestone extra principal payments can pull forward. Run your own numbers with extra payments in the mortgage calculator with extra payments to see how much sooner PMI could disappear from your budget.

Worked Example: Dana and Marcus's Full PITI Payment, Line by Line

Putting every piece together, here's exactly what Dana and Marcus's all-in monthly housing payment looks like on a $340,000 home with 10% down at 6.75% over 30 years:

Notice that $2,554.17 of that total goes to the servicer in a single monthly draft (principal, interest, tax, insurance, and PMI), while the remaining $45 is a completely separate payment Dana and Marcus mail to their HOA. That split — one bundled servicer payment plus one or more direct payments — is exactly how the calculator above models your own numbers when you fill in the "Taxes, Insurance, HOA & PMI" section: toggle any of those fields and watch the total monthly payment stat recalculate live, broken into the same principal-and-interest versus escrow-and-extras split shown here.

Methodology and Sources

The principal-and-interest figures in this example use the standard fixed-rate amortization formula, M = P × [r(1+r)ⁿ] / [(1+r)ⁿ − 1], where P is the loan principal, r is the monthly interest rate (annual rate ÷ 12), and n is the total number of monthly payments — the same formula that drives every schedule generated by the calculator on this page. The 1.1% property tax rate used above is an illustrative national-average figure; actual effective rates vary widely by state and county, and homeowners should confirm their own rate with their county assessor rather than assume a national average applies. Escrow account rules referenced here, including the 12-month analysis requirement and the one-sixth cushion limit, come from the CFPB's escrow account guidance, and PMI cancellation rules come from the federal Homeowners Protection Act of 1998. For the full mechanics of how the underlying amortization schedule is generated, head back to our main mortgage amortization calculator, or model other scenarios with the principal and interest calculator, the refinance amortization calculator, or the mortgage recast calculator. This page was last reviewed on 2026-07-12 against current CFPB guidance.