Total monthly cost of ownership
Cost to Own a Home in Germantown, Wisconsin
A $357,000 home here costs
$2,873per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,835. The real number is $1,038 higher every month — 57% 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.
Germantown against Washington County and Wisconsin
| Measure | Germantown | Washington County |
|---|---|---|
| Median home value | $356,700 | $316,200 |
| Median property tax | $4,828 | $3,795 |
| Effective tax rate | 1.354% | 1.200% |
| Median gross rent | $1,310 | $1,126 |
| Population | 20,940 | 137,320 |
The weather behind that power bill
Germantown sits in Washington County, which averages a high of 81.6°F in its hottest month and a low of 10.7°F in its coldest, with 35.84" of precipitation a year and 35% of it in a single three-month stretch. That climate drives 532 cooling and 7,420 heating degree days, which is what sets the $177 electricity line above.
See the full climate breakdown for Washington County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Washington County
Full Washington County cost breakdown · Every county in Wisconsin
Common questions
How much does it cost to own a home in Germantown?
A $357,000 home in Germantown, Wisconsin costs approximately $2,873 per month with 20% down at 6.66%. That is $1,835 principal and interest, $403 property tax, $92 homeowners insurance, $245 utilities and $298 set aside for maintenance.
What is the property tax rate in Germantown?
Germantown has an effective property tax rate of 1.354%, based on a median home value of $356,700 and median real estate taxes of $4,828. That is higher than the Washington County average of 1.200%.
What is the average home price in Germantown?
The median owner-occupied home value in Germantown, Wisconsin is $356,700, against $316,200 across Washington County.
Is it cheaper to rent or buy in Germantown?
Median gross rent in Germantown is $1,310 a month, against $2,873 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 Germantown — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Wisconsin.
- 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.