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Single Family ResidenceResidential
$491,340
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 80How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $521,000 on May 15, 2023

173 E PROSPECT ST

PORT WASHINGTON, WI 53074
0
Baths
0.61 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$491K
$395K low$588K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$521,000 · May 15, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,696 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$296,700 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$81,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$215,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$296,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$376,300

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.38 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyOzaukee
Lot (acres)The size of the land the home sits on, from county records.0.61
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Port Washington High SchoolA
High · Grades 9–12 · 0.7 mi
E
Lincoln Elementary SchoolA
Elementary · Grades KG–4 · 0.7 mi
M
Thomas Jefferson Middle SchoolA-
Middle · Grades 5–8 · 0.8 mi

District: Port Washington-Saukville School District

Neighborhood · ZIP 53074These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.14,952
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.458 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,539
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,788
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.32 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

173 E Prospect St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 73% of homes in Port Washington 53074
  • Has a bigger lot than 81% of homes in Port Washington 53074

What homes are worth in Port Washington 53074

Each bar is how many homes fall in that price range. The marker is this home.

This home
$205K$1.1M

This home is worth more than 73% of homes in Port Washington 53074.

How it measures up in Port Washington 53074

The dot is this home. The mark in the middle is the typical home in Port Washington 53074.

Estimated value$491,340
CheaperTypical $388,686Pricier

Pricier than 73% of homes nearby

Lot size0.61 ac
SmallerTypical 0.25 acBigger

Bigger than 81% of homes nearby

How 173 E Prospect St ranks against every home in each area.
MeasureThis homePort Washington 53074Ozaukee County
Estimated valuepricier than$491,34073% of homes55% of homes
Lot sizebigger than0.61 ac81% of homes51% of homes

About 173 E Prospect St

How much is 173 E Prospect St, Port Washington, WI worth?

The TopHap Estimate for 173 E Prospect St, Port Washington, WI is $491,340 as of Sep 24, 2026. The likely range is $394,967 to $587,713. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 173 E Prospect St, Port Washington, WI last sell?

173 E Prospect St, Port Washington, WI last sold on May 15, 2023 for $521,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 173 E Prospect St, Port Washington, WI?

173 E Prospect St, Port Washington, WI is assigned to Port Washington High School (high), rated A; Lincoln Elementary School (elementary), rated A; Thomas Jefferson Middle School (middle), rated A-. All sit in Port Washington-Saukville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 173 E Prospect St, Port Washington, WI compare to other homes in Port Washington 53074?

Among the 4,491 homes in Port Washington 53074, it is worth more than 73% of them ($491,340 against a typical $388,686) and its lot is bigger than 81% of them (0.61 ac against a typical 0.25 ac). Measured against all of Ozaukee County, it is worth more than 55% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 173 E Prospect St, Port Washington, WI?

The 2024 property tax bill for 173 E Prospect St, Port Washington, WI was $4,696. The county assessed it at $296,700.

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