Cost to Own
United StatesWisconsinOzaukee CountyPort Washington Population 12,569 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Port Washington, Wisconsin

A $276,000 home here costs

$2,278

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

A standard mortgage calculator would have told you $1,419. The real number is $859 higher every month — 61% more than the payment most buyers budget for.

Port Washington median: $276,000
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, $220,800 borrowed $1,419
Property tax1.358% effective rate for Port Washington itself $312
Homeowners insuranceWisconsin averages $780/yr (NAIC), or 0.309% of home value $71
Electricity19.74¢/kWh — Wisconsin residential average, EIA $177
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $230
Total monthly $2,278

Port Washington against Ozaukee County and Wisconsin

MeasurePort WashingtonOzaukee County
Median home value$276,000$368,900
Median property tax$3,749$4,629
Effective tax rate1.358%1.255%
Median gross rent$1,021$1,112
Population12,56992,345

The weather behind that power bill

Port Washington sits in Ozaukee County, which averages a high of 79.5°F in its hottest month and a low of 11.2°F in its coldest, with 31.88" of precipitation a year and 35% of it in a single three-month stretch. That climate drives 390 cooling and 7,603 heating degree days, which is what sets the $177 electricity line above.

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

Other cities in Ozaukee County

Full Ozaukee County cost breakdown · Every county in Wisconsin

Common questions

How much does it cost to own a home in Port Washington?

A $276,000 home in Port Washington, Wisconsin costs approximately $2,278 per month with 20% down at 6.66%. That is $1,419 principal and interest, $312 property tax, $71 homeowners insurance, $245 utilities and $230 set aside for maintenance.

What is the property tax rate in Port Washington?

Port Washington has an effective property tax rate of 1.358%, based on a median home value of $276,000 and median real estate taxes of $3,749. That is higher than the Ozaukee County average of 1.255%.

What is the average home price in Port Washington?

The median owner-occupied home value in Port Washington, Wisconsin is $276,000, against $368,900 across Ozaukee County.

Is it cheaper to rent or buy in Port Washington?

Median gross rent in Port Washington is $1,021 a month, against $2,278 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 Port Washington — 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