Cost to Own
United States › Wisconsin › Dane County › Cottage Grove Population 7,906 Data vintage ACS 2023 5-Year Rates updated 2026-10-29
The part nobody budgets Even with the mortgage fully paid off, the median home here still costs $1,238 a month in taxes, insurance, utilities and upkeep. See the full Dane County picture

Total monthly cost of ownership

Cost to Own a Home in Cottage Grove, Wisconsin

A $402,000 home here costs

$3,430

per month, all in, with 20% down at today's 7.24% 30-year fixed rate. By the 28% rule that takes a household income of about $147,000 a year.

P&I 64%Tax 18%Insurance 3%Utilities 6%Upkeep 10%

A standard mortgage calculator would have told you $2,192. The real number is $1,238 higher every month, 57% more than the payment most buyers budget for.

Compare Dane County with anywhere in America · full county breakdown

Cottage Grove median: $401,900
Under 20% adds PMI
Freddie Mac PMMS
WI 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, $321,600 borrowed $2,192
Property tax1.811% effective rate for Cottage Grove itself $607
Homeowners insuranceWisconsin averages $780/yr (NAIC), or 0.309% of home value $104
Electricity19.41ยข/kWh, Wisconsin residential average, EIA $125
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $335
Total monthly $3,430

Cottage Grove against Dane County and Wisconsin

MeasureCottage GroveDane County
Median home value$401,900$366,100
Median property tax$7,278$6,276
Effective tax rate1.811%1.714%
Median gross rent$1,500$1,345
Population7,906564,777

The weather behind that power bill

Cottage Grove sits in Dane County, which averages a high of 82.2°F in its hottest month and a low of 11.1°F in its coldest, with 40.18" of precipitation a year and 37% of it in a single three-month stretch. That climate drives 640 cooling and 7,097 heating degree days, which is what sets the $125 electricity line above.

See the full climate breakdown for Dane County , month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Dane County

Full Dane County cost breakdown · Every county in Wisconsin

Talk to someone who works this market

These are Cottage Grove averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Cottage Grove every week. Free, no obligation, and we never sell your details to a list.

I'm looking to buy in Cottage Grove I already own here and may sell

Common questions

How much does it cost to own a home in Cottage Grove?

A $402,000 home in Cottage Grove, Wisconsin costs approximately $3,430 per month with 20% down at 7.24%. That is $2,192 principal and interest, $607 property tax, $104 homeowners insurance, $193 utilities and $335 set aside for maintenance.

What is the property tax rate in Cottage Grove?

Cottage Grove has an effective property tax rate of 1.811%, based on a median home value of $401,900 and median real estate taxes of $7,278. That is higher than the Dane County average of 1.714%.

What is the average home price in Cottage Grove?

The median owner-occupied home value in Cottage Grove, Wisconsin is $401,900, against $366,100 across Dane County.

Is it cheaper to rent or buy in Cottage Grove?

Median gross rent in Cottage Grove is $1,500 a month, against $3,430 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

What salary do you need to buy a home in Cottage Grove?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Cottage Grove, Wisconsin at today's rate takes a household income of roughly $147,000 a year. That covers the full $3,430 monthly cost, not just the mortgage payment.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Cottage Grove, 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.

Full methodology