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St. Charles County FHA Loan Calculator

Adjust the sliders to model your loan in real time. We have prefilled this page with local benchmark averages for St. Charles County, Missouri based on real HMDA transaction records.

Loan Details

St. Charles County, MO Benchmarks

FHA averages
Typical Property Value$350,189
Average Down Payment12.7%
Average Interest Rate6.341%
Effective Tax Rate1.06%
Median Tax Paid$3,480/yr
Tax Growth (Historical)+1.1%
Based on 1,376 regional loans totaling $412,220,000 (HMDA database).
$
%

$44,474 down · $305,715 financed

%
yrs
$

Paid directly to principal

Payoff estimated June 2056

Local & Recurring Costs

%

$309 / month

$

Annual premium

$

Per month

%

$130 / month

Estimated Monthly Payment

$2,522/mo

  • Principal & Interest$1,934
  • Property Tax$309
  • Home Insurance$150
  • FHA MIP$130
Amortization · Remaining Balance

Financed Loan Amount

$311,065

Total Interest

$385,004

Total of Payments

$696,069

*Includes financed FHA Upfront MIP of $5,350

Local Market Insights

St. Charles County FHA Mortgage Overview

For St. Charles County homebuyers using an FHA loan, the 12.73% average down payment provides accessible entry, but the 6.341% interest rate and mandatory lifetime MIP mean the true cost hinges on property taxes. With a 1.06% effective rate and a 1.1% inflation-adjusted increase, monthly affordability is squeezed. The 87.27% LTV ratio confirms most buyers put down less than 20%, locking in MIP for the loan’s life—ideal for those with sub-620 scores seeking primary residence financing. This data reflects standard owner-occupied purchases, not investor activity.

Disclaimer: This calculator provides estimates for educational purposes only and does not constitute a loan offer or financial advice. Actual rates, taxes, insurance, and fees will vary.