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Single Family ResidenceResidential
$899,999$255 / 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 Oct 21, 2026
Last sold for $520,000 on Sep 28, 2015

21843 W RIVER RD

GROSSE ILE, MI 48138
4 / 2
Baths
3,534 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.
1.67 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$900K
$855K low$945K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$520,000 · Sep 28, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,326 (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.$435,800 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$434,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$871,600

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.53 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
CountyWAYNE
Lot (acres)The size of the land the home sits on, from county records.1.67
HeatingThe type of heating system in the home.Baseboard
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(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
Parke Lane Elementary School
Elementary · Grades PK–5 · 1.1 mi
M
Grosse Ile Middle SchoolA-
Middle · Grades 6–8 · 1.6 mi
H
Grosse Ile High SchoolB+
High · Grades 9–12 · 1.6 mi

District: Grosse Ile Township Schools

Neighborhood · ZIP 48138These 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.21
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.9,553
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.614 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,869
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,823
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.33 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

21843 W River Rd 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 Wayne County
  • Costs more per square foot than 94% of homes in Wayne County
  • Bigger than 98% of homes in Wayne County
  • Among the largest lots in Wayne County
  • Among the oldest homes in Wayne County

What homes are worth in Grosse Ile 48138

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

This home
$162K$1.1M

This home is worth more than 96% of homes in Grosse Ile 48138.

How it measures up in Grosse Ile 48138

The dot is this home. The mark in the middle is the typical home in Grosse Ile 48138.

Estimated value$899,999
CheaperTypical $391,709Pricier

Pricier than 96% of homes nearby

Price per ft²$255
CheaperTypical $186Pricier

Pricier than 90% of homes nearby

Living area3,534 ft²
SmallerTypical 2,126 ft²Bigger

Bigger than 91% of homes nearby

Lot size1.67 ac
SmallerTypical 0.42 acBigger

Bigger than 96% of homes nearby

Year built1900
OlderTypical 1971Newer

Newer than 2% of homes nearby

How 21843 W River Rd ranks against every home in each area.
MeasureThis homeGrosse Ile 48138Wayne County
Estimated valuepricier than$899,99996% of homesalmost all homes
Price per ft²pricier than$25590% of homes94% of homes
Living areabigger than3,534 ft²91% of homes98% of homes
Lot sizebigger than1.67 ac96% of homesalmost all homes
Year builtnewer than19002% of homesalmost no homes

About 21843 W River Rd

How much is 21843 W River Rd, Grosse Ile, MI worth?

The TopHap Estimate for 21843 W River Rd, Grosse Ile, MI is $899,999 as of Oct 21, 2026. The likely range is $855,003 to $944,995. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21843 W River Rd, Grosse Ile, MI last sell?

21843 W River Rd, Grosse Ile, MI last sold on Sep 28, 2015 for $520,000, according to the county's recorded deed.

How big is 21843 W River Rd, Grosse Ile, MI?

21843 W River Rd, Grosse Ile, MI has 4 bathrooms, 3,534 square feet of living space and a 1.67-acre lot.

When was 21843 W River Rd, Grosse Ile, MI built?

21843 W River Rd, Grosse Ile, MI was built in 1900, making it 126 years old. It is a bungalow home. The building has 1 story.

What schools serve 21843 W River Rd, Grosse Ile, MI?

21843 W River Rd, Grosse Ile, MI is assigned to Parke Lane Elementary School (elementary); Grosse Ile Middle School (middle), rated A-; Grosse Ile High School (high), rated B+. All sit in Grosse Ile Township Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21843 W River Rd, Grosse Ile, MI compare to other homes in Grosse Ile 48138?

Among the 4,441 homes in Grosse Ile 48138, it is worth more than 96% of them ($899,999 against a typical $391,709), its price per square foot is higher than 90% of them ($255 against a typical $186), it is bigger than 91% of them (3,534 ft² against a typical 2,126 ft²), its lot is bigger than 96% of them (1.67 ac against a typical 0.42 ac) and it is newer than 2% of them (1900 against a typical 1971). Measured against all of Wayne 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 21843 W River Rd, Grosse Ile, MI?

The 2025 property tax bill for 21843 W River Rd, Grosse Ile, MI was $16,326. The county assessed it at $435,800.

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