Total monthly cost of ownership
Cost to Own a Home in St. Martinville, Louisiana
A $92,000 home here costs
$845per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $473. The real number is $372 higher every month — 79% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
St. Martinville against St. Martin Parish and Louisiana
| Measure | St. Martinville | St. Martin Parish |
|---|---|---|
| Median home value | $91,700 | $151,000 |
| Median property tax | $199 | $610 |
| Effective tax rate | 0.217% | 0.404% |
| Median gross rent | $770 | $865 |
| Population | 5,367 | 51,559 |
The weather behind that power bill
St. Martinville sits in St. Martin Parish, which averages a high of 90.1°F in its hottest month and a low of 42.5°F in its coldest, with 66.79" of precipitation a year and 32% of it in a single three-month stretch. That climate drives 2,558 cooling and 1,509 heating degree days, which is what sets the $127 electricity line above.
See the full climate breakdown for St. Martin Parish — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in St. Martin Parish
Full St. Martin Parish cost breakdown · Every county in Louisiana
Common questions
How much does it cost to own a home in St. Martinville?
A $92,000 home in St. Martinville, Louisiana costs approximately $845 per month with 20% down at 6.66%. That is $473 principal and interest, $17 property tax, $83 homeowners insurance, $195 utilities and $77 set aside for maintenance.
What is the property tax rate in St. Martinville?
St. Martinville has an effective property tax rate of 0.217%, based on a median home value of $91,700 and median real estate taxes of $199. That is lower than the St. Martin Parish average of 0.404%.
What is the average home price in St. Martinville?
The median owner-occupied home value in St. Martinville, Louisiana is $91,700, against $151,000 across St. Martin Parish.
Is it cheaper to rent or buy in St. Martinville?
Median gross rent in St. Martinville is $770 a month, against $845 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 St. Martinville — 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.