Total monthly cost of ownership
Cost to Own a Home in Union, Missouri
A $199,000 home here costs
$1,623per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,023. The real number is $600 higher every month — 59% 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.
Union against Franklin County and Missouri
| Measure | Union | Franklin County |
|---|---|---|
| Median home value | $199,100 | $214,900 |
| Median property tax | $1,680 | $1,774 |
| Effective tax rate | 0.844% | 0.826% |
| Median gross rent | $847 | $874 |
| Population | 12,560 | 105,316 |
The weather behind that power bill
Union sits in Franklin County, which averages a high of 90.6°F in its hottest month and a low of 22.9°F in its coldest, with 44.96" of precipitation a year and 31% of it in a single three-month stretch. That climate drives 1,485 cooling and 4,400 heating degree days, which is what sets the $123 electricity line above.
See the full climate breakdown for Franklin County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Franklin County
Full Franklin County cost breakdown · Every county in Missouri
Common questions
How much does it cost to own a home in Union?
A $199,000 home in Union, Missouri costs approximately $1,623 per month with 20% down at 6.66%. That is $1,023 principal and interest, $140 property tax, $104 homeowners insurance, $191 utilities and $166 set aside for maintenance.
What is the property tax rate in Union?
Union has an effective property tax rate of 0.844%, based on a median home value of $199,100 and median real estate taxes of $1,680. That is higher than the Franklin County average of 0.826%.
What is the average home price in Union?
The median owner-occupied home value in Union, Missouri is $199,100, against $214,900 across Franklin County.
Is it cheaper to rent or buy in Union?
Median gross rent in Union is $847 a month, against $1,623 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 Union — 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.