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Single Family ResidenceResidential
$407,846$165 / 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 86How 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

21470 ASTOR CT

GROSSE ILE, MI 48138
2 / 1
Baths
2,465 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.
0.42 ac
Lot SizeThe size of the land the home sits on, from county records.
1932
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$408K
$350K low$466K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,086 (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.$232,800 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$230,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$465,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWAYNE
Lot (acres)The size of the land the home sits on, from county records.0.42
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 0.9 mi
M
Grosse Ile Middle SchoolA-
Middle · Grades 6–8 · 1.7 mi
H
Grosse Ile High SchoolB+
High · Grades 9–12 · 1.7 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

21470 Astor 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 Wayne County
  • Costs less per square foot than 68% of homes in Grosse Ile 48138
  • Bigger than 92% of homes in Wayne County
  • Has a bigger lot than 93% of homes in Wayne County
  • Older than 91% of homes in Grosse Ile 48138

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
$164K$1.2M

This home is worth more than 56% 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$407,846
CheaperTypical $384,891Pricier

Pricier than 56% of homes nearby

Price per ft²$165
CheaperTypical $183Pricier

Pricier than 32% of homes nearby

Living area2,465 ft²
SmallerTypical 2,121 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.42 ac
SmallerTypical 0.42 acBigger

Bigger than 49% of homes nearby

Year built1932
OlderTypical 1971Newer

Newer than 9% of homes nearby

How 21470 Astor Ct ranks against every home in each area.
MeasureThis homeGrosse Ile 48138Wayne County
Estimated valuepricier than$407,84656% of homes88% of homes
Price per ft²pricier than$16532% of homes60% of homes
Living areabigger than2,465 ft²65% of homes92% of homes
Lot sizebigger than0.42 ac49% of homes93% of homes
Year builtnewer than19329% of homes21% of homes

About 21470 Astor Ct

How much is 21470 Astor Ct, Grosse Ile, MI worth?

The TopHap Estimate for 21470 Astor Ct, Grosse Ile, MI is $407,846 as of Sep 24, 2026. The likely range is $350,163 to $465,529. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21470 Astor Ct, Grosse Ile, MI last sell?

21470 Astor Ct, Grosse Ile, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21470 Astor Ct, Grosse Ile, MI?

21470 Astor Ct, Grosse Ile, MI has 2 bathrooms, 2,465 square feet of living space and a 0.42-acre lot.

When was 21470 Astor Ct, Grosse Ile, MI built?

21470 Astor Ct, Grosse Ile, MI was built in 1932, making it 94 years old. The building has 2 stories.

What schools serve 21470 Astor Ct, Grosse Ile, MI?

21470 Astor Ct, 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 21470 Astor Ct, 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 56% of them ($407,846 against a typical $384,891), its price per square foot is higher than 32% of them ($165 against a typical $183), it is bigger than 65% of them (2,465 ft² against a typical 2,121 ft²), its lot is bigger than 49% of them (0.42 ac against a typical 0.42 ac) and it is newer than 9% of them (1932 against a typical 1971). Measured against all of Wayne 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 21470 Astor Ct, Grosse Ile, MI?

The 2025 property tax bill for 21470 Astor Ct, Grosse Ile, MI was $6,086. The county assessed it at $232,800.

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