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Single Family ResidenceResidential
$309,138
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 $147,000 on Jan 17, 2011

509 MONTESIAN CT

MONTICELLO, WI 53570
0
Baths
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$309K
$270K low$348K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$147,000 · Jan 17, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,083 (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.$334,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$48,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$286,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$192,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$529,226

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyGreen
Lot (acres)The size of the land the home sits on, from county records.0.33
HeatingThe type of heating system in the home.None

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.

H
Monticello High SchoolC+
High · Grades 9–12 · 0.2 mi
E
Monticello Elementary SchoolA-
Elementary · Grades PK–5 · 0.2 mi
M
Monticello Middle SchoolC+
Middle · Grades 6–8 · 0.2 mi

District: Monticello School District

Neighborhood · ZIP 53570These 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.120
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.31

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
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.3,086
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,376
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,234
Average tempThe average temperature here across a full year.46°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

509 Montesian Ct 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.

What homes are worth in Monticello 53570

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

This home
$123K$764K

This home is worth more than 51% of homes in Monticello 53570.

How it measures up in Monticello 53570

The dot is this home. The mark in the middle is the typical home in Monticello 53570.

Estimated value$309,138
CheaperTypical $306,376Pricier

Pricier than 51% of homes nearby

Lot size0.33 ac
SmallerTypical 0.72 acBigger

Bigger than 36% of homes nearby

How 509 Montesian Ct ranks against every home in each area.
MeasureThis homeMonticello 53570Green County
Estimated valuepricier than$309,13851% of homes50% of homes
Lot sizebigger than0.33 ac36% of homes43% of homes

About 509 Montesian Ct

How much is 509 Montesian Ct, Monticello, WI worth?

The TopHap Estimate for 509 Montesian Ct, Monticello, WI is $309,138 as of Sep 24, 2026. The likely range is $270,294 to $347,982. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Montesian Ct, Monticello, WI last sell?

509 Montesian Ct, Monticello, WI last sold on Jan 17, 2011 for $147,000, according to the county's recorded deed.

What schools serve 509 Montesian Ct, Monticello, WI?

509 Montesian Ct, Monticello, WI is assigned to Monticello High School (high), rated C+; Monticello Elementary School (elementary), rated A-; Monticello Middle School (middle), rated C+. All sit in Monticello School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Montesian Ct, Monticello, WI compare to other homes in Monticello 53570?

Among the 921 homes in Monticello 53570, it is worth more than 51% of them ($309,138 against a typical $306,376) and its lot is bigger than 36% of them (0.33 ac against a typical 0.72 ac). Measured against all of Green County, it is worth more than 50% 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 509 Montesian Ct, Monticello, WI?

The 2025 property tax bill for 509 Montesian Ct, Monticello, WI was $4,083. The county assessed it at $334,600.

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Assigned schools

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