Cost to Own
United StatesLouisianaSt. Charles Parish FIPS 22089 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in St. Charles Parish, Louisiana

A $257,000 home here costs

$1,982

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $1,321. The real number is $661 higher every month — 50% more than the payment most buyers budget for.

County median: $256,800
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $205,600 borrowed $1,321
Property tax0.574% effective rate — St. Charles Parish assessor via Census ACS $123
Homeowners insuranceEstimated at 0.60% of home value per year $129
Electricity14.15¢/kWh — Louisiana residential average, EIA $127
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year — the cost nobody budgets $214
Total monthly $1,982

How St. Charles Parish compares

St. Charles Parish ranks 2,425th of 3,133 US counties by effective property tax rate, meaning property taxes here are lower than in 708 counties and higher than in 2,424. Within Louisiana it ranks 8th of 64.

St. Charles Parish 0.574% 31% lower than national
Louisiana average 0.421%
National median0.837%
Highest in America — Menominee County, WI3.636%

The numbers behind this page

MeasureSt. Charles ParishSource
Median home value$256,800ACS B25077
Median real estate taxes paid$1,475ACS B25103
Effective property tax rate0.574%Derived
Median gross rent$1,144ACS B25064
Occupied housing units18,622ACS B25003
Population51,863ACS B01003
Residential electricity price14.15¢/kWhEIA 5.6.A
30-year fixed mortgage rate6.66%Freddie Mac PMMS

Other counties in Louisiana

Compare the cost of the same home elsewhere in the state.

All 64 counties in Louisiana

Questions about owning here

What is the property tax rate in St. Charles Parish?

The effective property tax rate in St. Charles Parish, Louisiana is 0.574% of home value per year. On the county's median home value of $256,800, that works out to about $1,475 annually, or $123 per month.

How much does it cost to own a home in St. Charles Parish?

A $257,000 home in St. Charles Parish, Louisiana costs approximately $1,982 per month with 20% down at 6.66%. That breaks down as $1,321 principal and interest, $123 property tax, $129 insurance, $195 utilities and $214 set aside for maintenance.

Why is this higher than the payment my lender quoted?

Lender quotes usually show principal and interest only, and sometimes property tax and insurance. They almost never include electricity, water or a maintenance reserve. Here those add about $409 a month, which is why the real cost is 50% above the mortgage payment alone.

Is it cheaper to rent in St. Charles Parish?

Median gross rent in St. Charles Parish, Louisiana is $1,144 per month, compared with $1,982 to own the median home outright. Renting is cheaper month to month, though rent does not build equity and is not fixed for 30 years.

How much is the electric bill in St. Charles Parish?

Louisiana residential electricity averages 14.15¢ per kWh. At the US average household usage of 899 kWh per month, that is about $127. Actual bills vary considerably with house size, insulation and climate.

Sources & methodology

  • Median home value, real estate taxes paid, gross rent, occupied units and population — US Census Bureau, American Community Survey ACS 2023 5-Year, tables B25077, B25103, B25064, B25003, B01003.
  • Effective property tax rate — median real estate taxes paid divided by median home value.
  • Mortgage rate — Freddie Mac PMMS, updated weekly.
  • Residential electricity price — US Energy Information Administration, Electric Power Monthly, Table 5.6.A.
  • Homeowners insurance (0.60%/yr), maintenance (1%/yr) and water and sewer ($68/mo) are modelled national estimates, not quoted figures. Every one is editable above.

Full methodology