Calculate your monthly mortgage payment in Montana. Pre-filled with Montana's typical home value of $471,700 (Zillow Home Value Index, August 2026) and an effective property tax rate of 0.69% (Census ACS 2024 1-year, median taxes ÷ median home value).
Est. Monthly Payment
$2,986
Principal & Interest
$2,518
Property Tax / mo
$271
Total Interest Paid
$529,190
| Home Price | $471,700 | Typical home value in Montana — Zillow Home Value Index, August 2026 |
| Down Payment | 20% ($94,340) | Assumption — no sourced state average |
| Loan Amount | $377,360 | Home price minus down payment |
| Interest Rate | 7.03% | Freddie Mac PMMS national average, week of 2026-09-24 — not a Montana rate |
| Loan Term | 30 years | Assumption |
| Property Tax | 0.69% / year | Montana effective rate — Census ACS 2024 1-year, median taxes ÷ median home value |
| Home Insurance | 0.5% / year | Assumption — not a sourced premium |
Programs named for Montana: MBOH Bond Advantage, MBOH Plus 0% DPA. This list has no recorded source or date and may be out of date — confirm current programs and eligibility with the Montana housing finance agency before you rely on it.
Cost of living: High (index 106.0, MERIC (C2ER index), Second Quarter 2026) · Population: 1,144,694 (Census Bureau estimate, July 1, 2025)
Montana has a typical home value of about $471,700 (Zillow Home Value Index, August 2026), above the U.S. typical value of $368,700. With an assumed 20% down payment of $94,340, a buyer would finance $377,360 over 30 years. At the national 7.03% fixed rate, the monthly principal and interest payment comes to $2,518.
The effective property tax rate in Montana — median real estate taxes paid divided by median home value — is 0.69% per year (Census ACS 2024 1-year, median taxes ÷ median home value), against 0.89% for the U.S. Combined with an assumed $197 a month for homeowners insurance, the estimated all-in monthly housing cost is about $2,986.
Using the 28% housing cost guideline, you would need a gross annual income of approximately $127,980 to qualify comfortably. The median household income in Montana is $75,340 (Census ACS 2024 1-year).