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Single Family ResidenceResidential
$1,655,879
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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

320 MCGRATH LN

HARTLAND, WI 53029
0
Baths
39 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.7M
$1.5M low$1.8M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,546 (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.$1,548,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$593,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$954,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,548,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,712,152

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.39.00
HeatingThe type of heating system in the home.None

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

E
Erin Elementary SchoolA
Elementary · Grades PK–8 · 3.8 mi
H
Hartford High SchoolC
High · Grades 9–12 · 7.5 mi

District: Hartford Union High School District

Neighborhood · ZIP 53029These 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.85
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 100.25

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
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.22,797
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.522 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$119,500
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$150,649
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

320 Mcgrath Ln 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 Washington County
  • Among the largest lots in Hartland 53029

What homes are worth in Hartland 53029

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

This home
$225K$3.3M

This home is worth more than 94% of homes in Hartland 53029.

How it measures up in Hartland 53029

The dot is this home. The mark in the middle is the typical home in Hartland 53029.

Estimated value$1,655,879
CheaperTypical $640,181Pricier

Pricier than 94% of homes nearby

Lot size39 ac
SmallerTypical 0.91 acBigger

Bigger than almost all homes nearby

How 320 Mcgrath Ln ranks against every home in each area.
MeasureThis homeHartland 53029Washington County
Estimated valuepricier than$1,655,87994% of homesalmost all homes
Lot sizebigger than39 acalmost all homesalmost all homes

About 320 Mcgrath Ln

How much is 320 Mcgrath Ln, Hartland, WI worth?

The TopHap Estimate for 320 Mcgrath Ln, Hartland, WI is $1,655,879 as of Aug 30, 2026. The likely range is $1,473,550 to $1,838,208. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 320 Mcgrath Ln, Hartland, WI?

320 Mcgrath Ln, Hartland, WI is assigned to Erin Elementary School (elementary), rated A; Hartford High School (high), rated C. All sit in Hartford Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 320 Mcgrath Ln, Hartland, WI compare to other homes in Hartland 53029?

Among the 8,073 homes in Hartland 53029, it is worth more than 94% of them ($1,655,879 against a typical $640,181) and its lot is bigger than almost all of them (39 ac against a typical 0.91 ac). Measured against all of Washington 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 320 Mcgrath Ln, Hartland, WI?

The 2025 property tax bill for 320 Mcgrath Ln, Hartland, WI was $12,546. The county assessed it at $1,548,300.

Closest homes

More homes in Hartland 53029

Assigned schools

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