Cost to Own
United StatesWisconsinWaukesha CountySussex Population 11,795 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Sussex, Wisconsin

A $385,000 home here costs

$3,043

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $1,979. The real number is $1,064 higher every month — 54% more than the payment most buyers budget for.

Sussex median: $384,900
Under 20% adds PMI
Freddie Mac PMMS
US 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, $308,000 borrowed $1,979
Property tax1.242% effective rate for Sussex itself $398
Homeowners insuranceWisconsin averages $780/yr (NAIC), or 0.309% of home value $99
Electricity19.74¢/kWh — Wisconsin residential average, EIA $177
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $321
Total monthly $3,043

Sussex against Waukesha County and Wisconsin

MeasureSussexWaukesha County
Median home value$384,900$373,600
Median property tax$4,782$4,525
Effective tax rate1.242%1.211%
Median gross rent$1,231$1,300
Population11,795409,040

The weather behind that power bill

Sussex sits in Waukesha County, which averages a high of 81.4°F in its hottest month and a low of 11.6°F in its coldest, with 35.95" of precipitation a year and 36% of it in a single three-month stretch. That climate drives 559 cooling and 7,247 heating degree days, which is what sets the $177 electricity line above.

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

Other cities in Waukesha County

Full Waukesha County cost breakdown · Every county in Wisconsin

Common questions

How much does it cost to own a home in Sussex?

A $385,000 home in Sussex, Wisconsin costs approximately $3,043 per month with 20% down at 6.66%. That is $1,979 principal and interest, $398 property tax, $99 homeowners insurance, $245 utilities and $321 set aside for maintenance.

What is the property tax rate in Sussex?

Sussex has an effective property tax rate of 1.242%, based on a median home value of $384,900 and median real estate taxes of $4,782. That is higher than the Waukesha County average of 1.211%.

What is the average home price in Sussex?

The median owner-occupied home value in Sussex, Wisconsin is $384,900, against $373,600 across Waukesha County.

Is it cheaper to rent or buy in Sussex?

Median gross rent in Sussex is $1,231 a month, against $3,043 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 Sussex — 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