Cost to Own
United StatesLouisianaSt. Charles ParishDestrehan Population 11,786 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Destrehan, Louisiana

A $303,000 home here costs

$2,437

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

A standard mortgage calculator would have told you $1,558. The real number is $879 higher every month — 56% more than the payment most buyers budget for.

Destrehan median: $303,400
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, $242,400 borrowed $1,558
Property tax0.625% effective rate for Destrehan itself $158
Homeowners insuranceLouisiana averages $2,259/yr (NAIC), or 1.083% of home value $273
Electricity14.15¢/kWh — Louisiana residential average, EIA $127
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $253
Total monthly $2,437

Destrehan against St. Charles Parish and Louisiana

MeasureDestrehanSt. Charles Parish
Median home value$303,400$256,800
Median property tax$1,895$1,475
Effective tax rate0.625%0.574%
Median gross rent$1,154$1,144
Population11,78651,863

The weather behind that power bill

Destrehan sits in St. Charles Parish, which averages a high of 91.4°F in its hottest month and a low of 46.1°F in its coldest, with 63.35" of precipitation a year and 34% of it in a single three-month stretch. That climate drives 3,206 cooling and 1,176 heating degree days, which is what sets the $127 electricity line above.

See the full climate breakdown for St. Charles Parish — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in St. Charles Parish

Full St. Charles Parish cost breakdown · Every county in Louisiana

Common questions

How much does it cost to own a home in Destrehan?

A $303,000 home in Destrehan, Louisiana costs approximately $2,437 per month with 20% down at 6.66%. That is $1,558 principal and interest, $158 property tax, $273 homeowners insurance, $195 utilities and $253 set aside for maintenance.

What is the property tax rate in Destrehan?

Destrehan has an effective property tax rate of 0.625%, based on a median home value of $303,400 and median real estate taxes of $1,895. That is higher than the St. Charles Parish average of 0.574%.

What is the average home price in Destrehan?

The median owner-occupied home value in Destrehan, Louisiana is $303,400, against $256,800 across St. Charles Parish.

Is it cheaper to rent or buy in Destrehan?

Median gross rent in Destrehan is $1,154 a month, against $2,437 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Destrehan — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Louisiana.
  • Electricity price — EIA Electric Power Monthly Table 5.6.A.
  • Mortgage rate — Freddie Mac PMMS, refreshed weekly.
  • Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.

Full methodology