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Single Family ResidenceResidential
$77,844$87 / 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 83How 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

20109 KEYSTONE ST

DETROIT, MI 48234
1
Baths
892 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$78K
$65K low$91K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,035 (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.$32,400 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$29,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$64,800

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.0.13
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 31 ft²

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
Mason AcademyF
Elementary · Grades KG–8 · 0.2 mi
H
Pershing High SchoolF
High · Grades 9–12 · 1.0 mi

District: Detroit Public Schools Community District

Neighborhood · ZIP 48234These 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.137
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.3%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.32%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.30,516
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,746 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$40,111
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$53,344
Average tempThe average temperature here across a full year.50°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.53%

Owner Tools

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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

20109 Keystone 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 more than 84% of homes in Farwell
  • Costs more per square foot than 90% of homes in Farwell
  • Smaller than 90% of homes in Wayne County
  • Has a bigger lot than 93% of homes in Farwell
  • Newer than 86% of homes in Farwell

What homes are worth in Detroit 48234

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

This home
$29K$125K

This home is worth more than 77% of homes in Detroit 48234.

How it measures up in Detroit 48234

The dot is this home. The mark in the middle is the typical home in Detroit 48234.

Estimated value$77,844
CheaperTypical $62,434Pricier

Pricier than 77% of homes nearby

Price per ft²$87
CheaperTypical $61Pricier

Pricier than 90% of homes nearby

Living area892 ft²
SmallerTypical 1,020 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.13 ac
SmallerTypical 0.1 acBigger

Bigger than 88% of homes nearby

Year built1952
OlderTypical 1947Newer

Newer than 84% of homes nearby

How 20109 Keystone St ranks against every home in each area.
MeasureThis homeFarwellDetroit 48234Wayne County
Estimated valuepricier than$77,84484% of homes77% of homes19% of homes
Price per ft²pricier than$8790% of homes90% of homes26% of homes
Living areabigger than892 ft²30% of homes23% of homes10% of homes
Lot sizebigger than0.13 ac93% of homes88% of homes51% of homes
Year builtnewer than195286% of homes84% of homes55% of homes

About 20109 Keystone St

How much is 20109 Keystone St, Detroit, MI worth?

The TopHap Estimate for 20109 Keystone St, Detroit, MI is $77,844 as of Sep 24, 2026. The likely range is $64,676 to $91,012. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20109 Keystone St, Detroit, MI last sell?

20109 Keystone St, Detroit, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20109 Keystone St, Detroit, MI?

20109 Keystone St, Detroit, MI has 1 bathrooms, 892 square feet of living space and a 0.13-acre lot.

When was 20109 Keystone St, Detroit, MI built?

20109 Keystone St, Detroit, MI was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 20109 Keystone St, Detroit, MI?

20109 Keystone St, Detroit, MI is assigned to Mason Academy (elementary), rated F; Pershing High School (high), rated F. All sit in Detroit Public Schools Community District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20109 Keystone St, Detroit, MI compare to other homes in Detroit 48234?

Among the 12,575 homes in Detroit 48234, it is worth more than 77% of them ($77,844 against a typical $62,434), its price per square foot is higher than 90% of them ($87 against a typical $61), it is bigger than 23% of them (892 ft² against a typical 1,020 ft²), its lot is bigger than 88% of them (0.13 ac against a typical 0.1 ac) and it is newer than 84% of them (1952 against a typical 1947). Measured against all of Wayne County, it is worth more than 19% 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 20109 Keystone St, Detroit, MI?

The 2025 property tax bill for 20109 Keystone St, Detroit, MI was $1,035. The county assessed it at $32,400.

More homes on Keystone St

Closest homes

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Assigned schools

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