Cost to Own
United StatesLouisianaSt. Tammany ParishSlidell Population 28,664 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Slidell, Louisiana

A $208,000 home here costs

$1,746

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

A standard mortgage calculator would have told you $1,069. The real number is $677 higher every month — 63% more than the payment most buyers budget for.

Slidell median: $207,800
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, $166,400 borrowed $1,069
Property tax0.696% effective rate for Slidell itself $121
Homeowners insuranceLouisiana averages $2,259/yr (NAIC), or 1.083% of home value $188
Electricity14.15¢/kWh — Louisiana residential average, EIA $127
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $173
Total monthly $1,746

Slidell against St. Tammany Parish and Louisiana

MeasureSlidellSt. Tammany Parish
Median home value$207,800$272,200
Median property tax$1,447$2,005
Effective tax rate0.696%0.737%
Median gross rent$1,381$1,305
Population28,664269,331

The weather behind that power bill

Slidell sits in St. Tammany Parish, which averages a high of 91.2°F in its hottest month and a low of 40.7°F in its coldest, with 61.88" of precipitation a year and 33% of it in a single three-month stretch. That climate drives 2,634 cooling and 1,612 heating degree days, which is what sets the $127 electricity line above.

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

Other cities in St. Tammany Parish

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

Common questions

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

A $208,000 home in Slidell, Louisiana costs approximately $1,746 per month with 20% down at 6.66%. That is $1,069 principal and interest, $121 property tax, $188 homeowners insurance, $195 utilities and $173 set aside for maintenance.

What is the property tax rate in Slidell?

Slidell has an effective property tax rate of 0.696%, based on a median home value of $207,800 and median real estate taxes of $1,447. That is lower than the St. Tammany Parish average of 0.737%.

What is the average home price in Slidell?

The median owner-occupied home value in Slidell, Louisiana is $207,800, against $272,200 across St. Tammany Parish.

Is it cheaper to rent or buy in Slidell?

Median gross rent in Slidell is $1,381 a month, against $1,746 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 Slidell — 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