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Single Family ResidenceResidential
$696,498
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 94How 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 $665,000 on Sep 2, 2025

1645 ERNST DR

HARTFORD, WI 53027
0
Baths
2.49 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$696K
$652K low$741K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$665,000 · Sep 2, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,840 (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.$452,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$97,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$355,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$442,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$550,299

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.27
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
52
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
57
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
3
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.2.49
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.

E
Rossman Elementary SchoolA
Elementary · Grades PK–5 · 1.4 mi
H
Hartford High SchoolC+
High · Grades 9–12 · 2.9 mi
M
Central Middle SchoolC-
Middle · Grades 6–8 · 3.1 mi

District: Hartford Union High School District

Neighborhood · ZIP 53027These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
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.24,479
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.258 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,697
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,318
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.33 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

1645 Ernst Dr 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 91% of homes in Hartford 53027
  • Has a bigger lot than 81% of homes in Washington County

What homes are worth in Hartford 53027

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

This home
$207K$1M

This home is worth more than 91% of homes in Hartford 53027.

How it measures up in Hartford 53027

The dot is this home. The mark in the middle is the typical home in Hartford 53027.

Estimated value$696,498
CheaperTypical $420,169Pricier

Pricier than 91% of homes nearby

Lot size2.49 ac
SmallerTypical 0.33 acBigger

Bigger than 80% of homes nearby

How 1645 Ernst Dr ranks against every home in each area.
MeasureThis homeHartford 53027Washington County
Estimated valuepricier than$696,49891% of homes90% of homes
Lot sizebigger than2.49 ac80% of homes81% of homes

About 1645 Ernst Dr

How much is 1645 Ernst Dr, Hartford, WI worth?

The TopHap Estimate for 1645 Ernst Dr, Hartford, WI is $696,498 as of Oct 21, 2026. The likely range is $652,327 to $740,669. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1645 Ernst Dr, Hartford, WI last sell?

1645 Ernst Dr, Hartford, WI last sold on Sep 2, 2025 for $665,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

What schools serve 1645 Ernst Dr, Hartford, WI?

1645 Ernst Dr, Hartford, WI is assigned to Rossman Elementary School (elementary), rated A; Hartford High School (high), rated C+; Central Middle School (middle), rated C-. All sit in Hartford Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1645 Ernst Dr, Hartford, WI compare to other homes in Hartford 53027?

Among the 8,609 homes in Hartford 53027, it is worth more than 91% of them ($696,498 against a typical $420,169) and its lot is bigger than 80% of them (2.49 ac against a typical 0.33 ac). Measured against all of Washington County, it is worth more than 90% 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 1645 Ernst Dr, Hartford, WI?

The 2025 property tax bill for 1645 Ernst Dr, Hartford, WI was $5,840. The county assessed it at $452,500.

More homes on Ernst Dr

Closest homes

More homes in Hartford 53027

Assigned schools

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