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Single Family ResidenceResidential
$217,416
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 81How 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 $829,000 on Oct 17, 2025

S128 17TH AVE

ONTARIO, WI 54651
0
Baths
15.25 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$217K
$177K low$258K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$829,000 · Oct 17, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,390 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$97,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$72,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$114,600

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.51
68
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
63
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.30%
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
CountyVERNON
Lot (acres)The size of the land the home sits on, from county records.15.25
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

E
Norwalk-Ontario-Wilton Elementary SchoolC
Elementary · Grades PK–6 · 4.1 mi
M
Brookwood High SchoolC+
Middle · Grades 7–12 · 4.1 mi

District: Norwalk-Ontario-Wilton School District

Neighborhood · ZIP 54651These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
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.1,516
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.24 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,881
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,408
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

S128 17th Ave 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.

  • Has a bigger lot than 80% of homes in Vernon County

What homes are worth in Ontario 54651

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

This home
$42K$588K

This home is worth more than 59% of homes in Ontario 54651.

How it measures up in Ontario 54651

The dot is this home. The mark in the middle is the typical home in Ontario 54651.

Estimated value$217,416
CheaperTypical $190,878Pricier

Pricier than 59% of homes nearby

Lot size15.25 ac
SmallerTypical 5.04 acBigger

Bigger than 72% of homes nearby

How S128 17th Ave ranks against every home in each area.
MeasureThis homeOntario 54651Vernon County
Estimated valuepricier than$217,41659% of homes41% of homes
Lot sizebigger than15.25 ac72% of homes80% of homes

About S128 17th Ave

How much is S128 17th Ave, Ontario, WI worth?

The TopHap Estimate for S128 17th Ave, Ontario, WI is $217,416 as of Sep 24, 2026. The likely range is $176,921 to $257,911. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did S128 17th Ave, Ontario, WI last sell?

S128 17th Ave, Ontario, WI last sold on Oct 17, 2025 for $829,000, according to the county's recorded deed.

What schools serve S128 17th Ave, Ontario, WI?

S128 17th Ave, Ontario, WI is assigned to Norwalk-Ontario-Wilton Elementary School (elementary), rated C; Brookwood High School (middle), rated C+. All sit in Norwalk-Ontario-Wilton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does S128 17th Ave, Ontario, WI compare to other homes in Ontario 54651?

Among the 451 homes in Ontario 54651, it is worth more than 59% of them ($217,416 against a typical $190,878) and its lot is bigger than 72% of them (15.25 ac against a typical 5.04 ac). Measured against all of Vernon County, it is worth more than 41% 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 S128 17th Ave, Ontario, WI?

The 2025 property tax bill for S128 17th Ave, Ontario, WI was $1,390. The county assessed it at $97,300.

More homes on S128 17th Ave

Closest homes

More homes in Ontario 54651

Assigned schools

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