Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$526,802
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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $263,000 on May 18, 2010

8917 BLACK OPAL AVE

MIDDLETON, WI 53562
0
Baths
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$527K
$465K low$589K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$263,000 · May 18, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,818 (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.$372,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$292,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$372,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$475,700

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.1 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyDane
Lot (acres)The size of the land the home sits on, from county records.0.09
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(2)

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
Middleton High SchoolB-
High · Grades 9–12 · 1.9 mi
E
Sunset Ridge Elementary SchoolA
Elementary · Grades KG–4 · 2.2 mi
M
Glacier Creek Middle SchoolA+
Middle · Grades 5–8 · 4.6 mi

District: Middleton-Cross Plains School District

Neighborhood · ZIP 53562These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
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.30,071
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.941 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,671
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,848
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

Owner Tools

Do you own this home?
Claim this home

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

8917 Black Opal 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.

  • Worth more than 68% of homes in Dane County
  • Has a smaller lot than 95% of homes in Dane County

What homes are worth in Middleton 53562

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

This home
$170K$1.6M

This home is worth more than 39% of homes in Middleton 53562.

How it measures up in Middleton 53562

The dot is this home. The mark in the middle is the typical home in Middleton 53562.

Estimated value$526,802
CheaperTypical $587,605Pricier

Pricier than 39% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.26 acBigger

Bigger than 14% of homes nearby

How 8917 Black Opal Ave ranks against every home in each area.
MeasureThis homeMiddleton 53562Dane County
Estimated valuepricier than$526,80239% of homes68% of homes
Lot sizebigger than3,920 ft²14% of homes5% of homes

About 8917 Black Opal Ave

How much is 8917 Black Opal Ave, Middleton, WI worth?

The TopHap Estimate for 8917 Black Opal Ave, Middleton, WI is $526,802 as of Oct 21, 2026. The likely range is $464,522 to $589,082. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8917 Black Opal Ave, Middleton, WI last sell?

8917 Black Opal Ave, Middleton, WI last sold on May 18, 2010 for $263,000, according to the county's recorded deed.

What schools serve 8917 Black Opal Ave, Middleton, WI?

8917 Black Opal Ave, Middleton, WI is assigned to Middleton High School (high), rated B-; Sunset Ridge Elementary School (elementary), rated A; Glacier Creek Middle School (middle), rated A+. All sit in Middleton-Cross Plains School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8917 Black Opal Ave, Middleton, WI compare to other homes in Middleton 53562?

Among the 8,831 homes in Middleton 53562, it is worth more than 39% of them ($526,802 against a typical $587,605) and its lot is bigger than 14% of them (3,920 ft² against a typical 0.26 ac). Measured against all of Dane County, it is worth more than 68% 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 8917 Black Opal Ave, Middleton, WI?

The 2025 property tax bill for 8917 Black Opal Ave, Middleton, WI was $6,818. The county assessed it at $372,300.

More homes on Black Opal Ave

Closest homes

More homes in Middleton 53562

Assigned schools

Explore the area

See this home in context

Open 8917 Black Opal Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map