Total monthly cost of ownership
Cost to Own a Home in St. Ann, Missouri
A $119,000 home here costs
$1,144per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $612. The real number is $532 higher every month — 87% 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. Ann against St. Louis County and Missouri
| Measure | St. Ann | St. Louis County |
|---|---|---|
| Median home value | $118,600 | $260,700 |
| Median property tax | $2,152 | $3,193 |
| Effective tax rate | 1.815% | 1.225% |
| Median gross rent | $952 | $1,164 |
| Population | 12,865 | 996,618 |
The weather behind that power bill
St. Ann sits in St. Louis County, which averages a high of 89.6°F in its hottest month and a low of 23.8°F in its coldest, with 41.7" of precipitation a year and 34% of it in a single three-month stretch. That climate drives 1,713 cooling and 4,433 heating degree days, which is what sets the $123 electricity line above.
See the full climate breakdown for St. Louis County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in St. Louis County
Full St. Louis County cost breakdown · Every county in Missouri
Common questions
How much does it cost to own a home in St. Ann?
A $119,000 home in St. Ann, Missouri costs approximately $1,144 per month with 20% down at 6.66%. That is $612 principal and interest, $180 property tax, $62 homeowners insurance, $191 utilities and $99 set aside for maintenance.
What is the property tax rate in St. Ann?
St. Ann has an effective property tax rate of 1.815%, based on a median home value of $118,600 and median real estate taxes of $2,152. That is higher than the St. Louis County average of 1.225%.
What is the average home price in St. Ann?
The median owner-occupied home value in St. Ann, Missouri is $118,600, against $260,700 across St. Louis County.
Is it cheaper to rent or buy in St. Ann?
Median gross rent in St. Ann is $952 a month, against $1,144 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. Ann — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Missouri.
- 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.