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CondominiumResidential
$525,475$335 / ft²
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 95How 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 $342,000 on Nov 9, 2018

21133 DIAMOND HARBOR CT

CASSOPOLIS, MI 49031
4
Beds
3.5
Baths
1,568 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.

Valuation

$525K
$499K low$552K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$342,000 · Nov 9, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,991 (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.$262,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$262,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$235,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$524,200

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.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
10
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
41
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyCASS
Lot (acres)The size of the land the home sits on, from county records.0.26
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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.

M
Cassopolis Middle SchoolC-
Middle · Grades 6–8 · 1.3 mi
E
Sam Adams Elementary SchoolB
Elementary · Grades PK–5 · 1.6 mi
H
Cassopolis High SchoolC
High · Grades 9–12 · 1.8 mi

District: Cassopolis Public Schools

Neighborhood · ZIP 49031These 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.147
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.79%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.8,953
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.77 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,736
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,529
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

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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

21133 Diamond Harbor 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.

  • Worth more than 88% of homes in Cass County
  • Costs more per square foot than 89% of homes in Cass County
  • Has a smaller lot than 74% of homes in Cass County
  • Newer than 91% of homes in Cass County

What homes are worth in Cassopolis 49031

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

This home
$47K$1.3M

This home is worth more than 83% of homes in Cassopolis 49031.

How it measures up in Cassopolis 49031

The dot is this home. The mark in the middle is the typical home in Cassopolis 49031.

Estimated value$525,475
CheaperTypical $220,016Pricier

Pricier than 83% of homes nearby

Price per ft²$335
CheaperTypical $164Pricier

Pricier than 83% of homes nearby

Living area1,568 ft²
SmallerTypical 1,443 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.26 ac
SmallerTypical 0.74 acBigger

Bigger than 27% of homes nearby

Year built2005
OlderTypical 1965Newer

Newer than 89% of homes nearby

How 21133 Diamond Harbor Ct ranks against every home in each area.
MeasureThis homeCassopolis 49031Cass County
Estimated valuepricier than$525,47583% of homes88% of homes
Price per ft²pricier than$33583% of homes89% of homes
Living areabigger than1,568 ft²58% of homes61% of homes
Lot sizebigger than0.26 ac27% of homes26% of homes
Year builtnewer than200589% of homes91% of homes

About 21133 Diamond Harbor Ct

How much is 21133 Diamond Harbor Ct, Cassopolis, MI worth?

The TopHap Estimate for 21133 Diamond Harbor Ct, Cassopolis, MI is $525,475 as of Aug 30, 2026. The likely range is $499,317 to $551,633. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21133 Diamond Harbor Ct, Cassopolis, MI last sell?

21133 Diamond Harbor Ct, Cassopolis, MI last sold on Nov 9, 2018 for $342,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21133 Diamond Harbor Ct, Cassopolis, MI?

21133 Diamond Harbor Ct, Cassopolis, MI has 4 bedrooms, 3.5 bathrooms, 1,568 square feet of living space and a 0.26-acre lot.

When was 21133 Diamond Harbor Ct, Cassopolis, MI built?

21133 Diamond Harbor Ct, Cassopolis, MI was built in 2005, making it 21 years old. It is a condo/apartment home.

What schools serve 21133 Diamond Harbor Ct, Cassopolis, MI?

21133 Diamond Harbor Ct, Cassopolis, MI is assigned to Cassopolis Middle School (middle), rated C-; Sam Adams Elementary School (elementary), rated B; Cassopolis High School (high), rated C. All sit in Cassopolis Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21133 Diamond Harbor Ct, Cassopolis, MI compare to other homes in Cassopolis 49031?

Among the 4,366 homes in Cassopolis 49031, it is worth more than 83% of them ($525,475 against a typical $220,016), its price per square foot is higher than 83% of them ($335 against a typical $164), it is bigger than 58% of them (1,568 ft² against a typical 1,443 ft²), its lot is bigger than 27% of them (0.26 ac against a typical 0.74 ac) and it is newer than 89% of them (2005 against a typical 1965). Measured against all of Cass County, it is worth more than 88% 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 21133 Diamond Harbor Ct, Cassopolis, MI?

The 2025 property tax bill for 21133 Diamond Harbor Ct, Cassopolis, MI was $3,991. The county assessed it at $262,100.

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