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Single Family ResidenceResidential
$233,380
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 Jul 14, 2026
Last sold for $175,000 on Jun 29, 2021

121 18TH ST

MONROE, WI 53566
0
Baths
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$233K
$205K low$262K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$175,000 · Jun 29, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,162 (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.$198,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$31,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$167,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$186,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$200,207

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.0.25
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Abraham Lincoln Elementary SchoolA-
Elementary · Grades PK–5 · 1.0 mi
M
Monroe Middle SchoolB
Middle · Grades 6–8 · 1.0 mi
H
Monroe High SchoolD
High · Grades 9–12 · 1.1 mi

District: Monroe School District

Neighborhood · ZIP 53566These 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.127
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 100.26

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
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.15,088
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.96 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,741
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,165
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

121 18th 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.

  • Worth less than 74% of homes in Green County
  • Has a smaller lot than 66% of homes in Green County

What homes are worth in Monroe 53566

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

This home
$112K$676K

This home is worth more than 34% of homes in Monroe 53566.

How it measures up in Monroe 53566

The dot is this home. The mark in the middle is the typical home in Monroe 53566.

Estimated value$233,380
CheaperTypical $265,546Pricier

Pricier than 34% of homes nearby

Lot size0.25 ac
SmallerTypical 0.24 acBigger

Bigger than 53% of homes nearby

How 121 18th St ranks against every home in each area.
MeasureThis homeMonroe 53566Green County
Estimated valuepricier than$233,38034% of homes26% of homes
Lot sizebigger than0.25 ac53% of homes34% of homes

About 121 18th St

How much is 121 18th St, Monroe, WI worth?

The TopHap Estimate for 121 18th St, Monroe, WI is $233,380 as of Jul 14, 2026. The likely range is $204,899 to $261,861. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 18th St, Monroe, WI last sell?

121 18th St, Monroe, WI last sold on Jun 29, 2021 for $175,000, according to the county's recorded deed.

What schools serve 121 18th St, Monroe, WI?

121 18th St, Monroe, WI is assigned to Abraham Lincoln Elementary School (elementary), rated A-; Monroe Middle School (middle), rated B; Monroe High School (high), rated D. All sit in Monroe School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 18th St, Monroe, WI compare to other homes in Monroe 53566?

Among the 4,982 homes in Monroe 53566, it is worth more than 34% of them ($233,380 against a typical $265,546) and its lot is bigger than 53% of them (0.25 ac against a typical 0.24 ac). Measured against all of Green County, it is worth more than 26% 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 121 18th St, Monroe, WI?

The 2025 property tax bill for 121 18th St, Monroe, WI was $3,162. The county assessed it at $198,600.

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Assigned schools

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