Montana Mortgage Calculator — $150,000 Home Price
Montana's 0.74% property tax rate adds $93/month on a $150,000 home. At current 30-year rates (6.85%), total monthly housing cost reaches $979 with 20% down.
Monthly Payment Breakdown (30-Year, 20% Down)
$786
Principal & Interest
$93
Property Tax/mo
$100
Home Insurance/mo
$979
Total Monthly
| Component | Monthly | Annual |
|---|---|---|
| Principal & Interest (6.85%) | $786 | $9,436 |
| Property Tax (0.74% rate) | $93 | $1,110 |
| Homeowner's Insurance | $100 | $1,200 |
| PMI (with 20% down) | $0 | $0 |
| Total Monthly Payment | $979 | $11,746 |
With 10% Down (PMI Required)
A 10% down payment on $150,000 means a $15,000 down payment and a $135,000 loan. PMI adds $56/month until you reach 20% equity (estimated: April 2033).
| Component | Monthly |
|---|---|
| Principal & Interest | $885 |
| Property Tax | $93 |
| Insurance | $100 |
| PMI (~0.5%/year) | $56 |
| Total | $1,133 |
30-Year vs 15-Year Mortgage
| Metric | 30-Year (6.85%) | 15-Year (6.2%) |
|---|---|---|
| Monthly P&I | $786 | $1,026 |
| Total Monthly | $979 | $1,218 |
| Total Interest Paid | $163,072 | $64,615 |
| Total Cost | $283,072 | $184,615 |
| Interest Saved (15yr) | — | $98,457 |
Equity Growth Over Time
At Purchase
20.0% equity
Balance: $120,000
After 5 Years
24.8% equity
Balance: $112,775
After 10 Years
31.6% equity
Balance: $102,609
Loan Paid Off
100.0% equity
Balance: $0
What Income Do You Need?
Lenders typically require housing costs to stay at or below 28% of gross monthly income. To comfortably afford a $979/month payment, you need a gross income of at least $41,949/year ($3,496/month before taxes). With a front-end ratio of 36% (common for conventional loans), you'd need $32,627/year.
Payment at Different Interest Rates
| Interest Rate | Monthly P&I | Total Monthly | Total Interest |
|---|---|---|---|
| 4.8% | $633 | $826 | $107,963 |
| 5.8% | $708 | $900 | $134,854 |
| 6.8% current | $786 | $979 | $163,072 |
| 7.8% | $868 | $1,061 | $192,481 |
| 8.8% | $953 | $1,145 | $222,945 |