Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$670,173
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 90How 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
Last sold for $439,900 on Oct 31, 2019

6643 ALTAMOUNT CIR

MOUNT PLEASANT, WI 53406
0
Baths
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$670K
$603K low$738K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$439,900 · Oct 31, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,004 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$557,300 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$98,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$458,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$557,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$576,820

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.33
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
49
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
69
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

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
CountyRacine
Lot (acres)The size of the land the home sits on, from county records.0.51
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Gifford SchoolC-
Elementary · Grades KG–8 · 0.9 mi
H
Case High SchoolD+
High · Grades 9–12 · 2.5 mi

District: Racine School District

Neighborhood · ZIP 53406These 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.90
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 100.29

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.27,526
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,670 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,339
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,745
Average tempThe average temperature here across a full year.48°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%

Owner Tools

Do you own this home?
Claim this home

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

6643 Altamount Cir 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 98% of homes in Racine 53406
  • Has a bigger lot than 76% of homes in Racine County

What homes are worth in Racine 53406

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

This home
$159K$654K

This home is worth more than 98% of homes in Racine 53406.

How it measures up in Racine 53406

The dot is this home. The mark in the middle is the typical home in Racine 53406.

Estimated value$670,173
CheaperTypical $346,434Pricier

Pricier than 98% of homes nearby

Lot size0.51 ac
SmallerTypical 0.33 acBigger

Bigger than 74% of homes nearby

How 6643 Altamount Cir ranks against every home in each area.
MeasureThis homeRacine 53406Racine County
Estimated valuepricier than$670,17398% of homes95% of homes
Lot sizebigger than0.51 ac74% of homes76% of homes

About 6643 Altamount Cir

How much is 6643 Altamount Cir, Mount Pleasant, WI worth?

The TopHap Estimate for 6643 Altamount Cir, Mount Pleasant, WI is $670,173 as of Aug 30, 2026. The likely range is $602,725 to $737,621. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6643 Altamount Cir, Mount Pleasant, WI last sell?

6643 Altamount Cir, Mount Pleasant, WI last sold on Oct 31, 2019 for $439,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 6643 Altamount Cir, Mount Pleasant, WI?

6643 Altamount Cir, Mount Pleasant, WI is assigned to Gifford School (elementary), rated C-; Case High School (high), rated D+. All sit in Racine School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6643 Altamount Cir, Mount Pleasant, WI compare to other homes in Racine 53406?

Among the 9,771 homes in Racine 53406, it is worth more than 98% of them ($670,173 against a typical $346,434) and its lot is bigger than 74% of them (0.51 ac against a typical 0.33 ac). Measured against all of Racine County, it is worth more than 95% 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 6643 Altamount Cir, Mount Pleasant, WI?

The 2024 property tax bill for 6643 Altamount Cir, Mount Pleasant, WI was $9,004. The county assessed it at $557,300.

More homes on Altamount Cir

Closest homes

More homes in Mount Pleasant 53406

Assigned schools

Explore the area

See this home in context

Open 6643 Altamount Cir on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map