Your Mortgage Payment Explained: Where Every Dollar Actually Goes
You send $2,100 to the bank every month. About $1,500 of it is not reducing your balance at all. Here is where the money goes.
A mortgage payment is not one payment — it is four, bundled together and sent as one number. Understanding the breakdown reveals why the first years of homeownership feel like you are treading water financially, and why the last years feel like rapid wealth-building. The shift between those two feelings is the amortization curve, and it is the most important concept in home finance that nobody explains at closing.
The Four Parts: PITI
Principal: the portion that actually reduces your loan balance. On a $280,000 mortgage at 6.5%, month one's principal payment is about $286. Yes — out of a roughly $1,770 payment, only $286 goes toward paying off the house. The rest is interest. By month 180 (halfway through a 30-year mortgage), principal climbs to about $745. By the final years, almost the entire payment is principal.
Interest: the bank's fee for lending you money. Month one: about $1,517. This is the majority of your early payments. The interest is calculated on the remaining balance, so as principal reduces the balance, interest shrinks and principal grows — the classic amortization seesaw. Over 30 years on a $280,000 loan at 6.5%, total interest paid is approximately $357,000. You pay more in interest than the original loan amount.
Taxes: property tax collected by the bank and held in escrow until the annual tax bill is due. On a $350,000 home at 1.2% tax rate: $4,200 per year or $350 per month. This amount increases as your home's assessed value increases — typically 2-3% annually.
Insurance: homeowner's insurance, also escrowed. Typically $100-250 per month depending on home value, location, and coverage level. If your down payment was less than 20%, PMI (Private Mortgage Insurance) adds another $50-200 per month until you reach 20% equity.
The Amortization Curve
Here is why this matters financially: in the first 5 years of a 30-year mortgage, you pay $106,200 but only reduce your balance by roughly $18,000. The other $88,200 went to interest. This is why selling a home after 2-3 years often loses money even if the home's value stayed the same — closing costs and agent commissions (typically $15,000-25,000) wipe out the small amount of equity you built.
The crossover point — where more than half of each payment goes to principal rather than interest — does not arrive until year 19 of a 30-year mortgage at 6.5%. For the first 18 years, the bank gets more of each dollar than you do. This math is why financial advisors recommend staying in a home at least 5-7 years to break even, and why 15-year mortgages (which reach the crossover much faster) build wealth so much more efficiently despite higher monthly payments.
See the full breakdown for any mortgage with our mortgage calculator — it shows month-by-month amortization, total interest paid, and the principal-to-interest ratio at every point in the loan.