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Residential (General/Single)Residential
$2,086,763
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 87How 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 $1,100,000 on Jan 20, 2022

823 MILL ST

DELAFIELD, WI 53018
2
Beds
2
Baths
0.72 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.1M
$1.8M low$2.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,100,000 · Jan 20, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,229 (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.$1,688,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$708,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$979,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,250,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,752,600

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.59 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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyWAUKESHA
Lot (acres)The size of the land the home sits on, from county records.0.72
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

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.

E
Cushing Elementary SchoolA
Elementary · Grades PK–5 · 0.5 mi
H
Kettle Moraine High SchoolB
High · Grades 9–12 · 3.9 mi
M
Kettle Moraine Middle SchoolA+
Middle · Grades 6–8 · 5.0 mi

District: Kettle Moraine School District

Neighborhood · ZIP 53018These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.71
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.7,347
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.571 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$125,990
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,109
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%

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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

823 Mill 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.

  • Among the most valuable homes in Delafield 53018
  • Has a smaller lot than 65% of homes in Delafield 53018
  • Older than 96% of homes in Waukesha County

What homes are worth in Delafield 53018

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

This home
$245K$1.9M

This home is worth more than almost all homes in Delafield 53018.

How it measures up in Delafield 53018

The dot is this home. The mark in the middle is the typical home in Delafield 53018.

Estimated value$2,086,763
CheaperTypical $683,645Pricier

Pricier than almost all homes nearby

Lot size0.72 ac
SmallerTypical 1 acBigger

Bigger than 35% of homes nearby

Year built1920
OlderTypical 1985Newer

Newer than 6% of homes nearby

How 823 Mill St ranks against every home in each area.
MeasureThis homeDelafield 53018Waukesha County
Estimated valuepricier than$2,086,763almost all homesalmost all homes
Lot sizebigger than0.72 ac35% of homes65% of homes
Year builtnewer than19206% of homes4% of homes

About 823 Mill St

How much is 823 Mill St, Delafield, WI worth?

The TopHap Estimate for 823 Mill St, Delafield, WI is $2,086,763 as of Sep 24, 2026. The likely range is $1,813,211 to $2,360,315. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 823 Mill St, Delafield, WI last sell?

823 Mill St, Delafield, WI last sold on Jan 20, 2022 for $1,100,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 823 Mill St, Delafield, WI?

823 Mill St, Delafield, WI has 2 bedrooms, 2 bathrooms and a 0.72-acre lot.

When was 823 Mill St, Delafield, WI built?

823 Mill St, Delafield, WI was built in 1920, making it 106 years old.

What schools serve 823 Mill St, Delafield, WI?

823 Mill St, Delafield, WI is assigned to Cushing Elementary School (elementary), rated A; Kettle Moraine High School (high), rated B; Kettle Moraine Middle School (middle), rated A+. All sit in Kettle Moraine School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 823 Mill St, Delafield, WI compare to other homes in Delafield 53018?

Among the 2,844 homes in Delafield 53018, it is worth more than almost all of them ($2,086,763 against a typical $683,645), its lot is bigger than 35% of them (0.72 ac against a typical 1 ac) and it is newer than 6% of them (1920 against a typical 1985). Measured against all of Waukesha County, it is worth more than almost all 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 823 Mill St, Delafield, WI?

The 2025 property tax bill for 823 Mill St, Delafield, WI was $17,229. The county assessed it at $1,688,000.

More homes on Mill St

Closest homes

More homes in Delafield 53018

Assigned schools

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See this home in context

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