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Duplex (2 Units, Any Combination)Residential
Last sold for $9,000 on Jun 18, 2010

12931 SAINT MARYS ST

DETROIT, MI 48227
1.5
Baths
1,882 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$9,000 · Jun 18, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,171 (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.$73,000 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$66,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$146,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyWAYNE
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 189 ft²

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
Dossin Elementary-Middle SchoolD
Elementary · Grades KG–8 · 0.3 mi
H
Cody High SchoolD+
High · Grades 9–12 · 1.8 mi

District: Detroit Public Schools Community District

Neighborhood · ZIP 48227These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.28

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.0%
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.1.0%
PopulationHow many people live in this area.40,050
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,340 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$37,865
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$52,982
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%

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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

12931 Saint Marys 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.

  • Bigger than 95% of homes in Schoolcraft Southfield
  • Has a bigger lot than 66% of homes in Detroit 48227
  • Older than 81% of homes in Wayne County

How it measures up in Detroit 48227

The dot is this home. The mark in the middle is the typical home in Detroit 48227.

Living area1,882 ft²
SmallerTypical 1,248 ft²Bigger

Bigger than 91% of homes nearby

Lot size0.12 ac
SmallerTypical 0.11 acBigger

Bigger than 66% of homes nearby

Year built1928
OlderTypical 1938Newer

Newer than 28% of homes nearby

How 12931 Saint Marys St ranks against every home in each area.
MeasureThis homeSchoolcraft SouthfieldDetroit 48227Wayne County
Living areabigger than1,882 ft²95% of homes91% of homes80% of homes
Lot sizebigger than0.12 ac52% of homes66% of homes34% of homes
Year builtnewer than192826% of homes28% of homes19% of homes

About 12931 Saint Marys St

When did 12931 Saint Marys St, Detroit, MI last sell?

12931 Saint Marys St, Detroit, MI last sold on Jun 18, 2010 for $9,000, according to the county's recorded deed.

How big is 12931 Saint Marys St, Detroit, MI?

12931 Saint Marys St, Detroit, MI has 1.5 bathrooms, 1,882 square feet of living space and a 0.12-acre lot.

When was 12931 Saint Marys St, Detroit, MI built?

12931 Saint Marys St, Detroit, MI was built in 1928, making it 98 years old. It is a duplex single home. The building has 2 stories.

What schools serve 12931 Saint Marys St, Detroit, MI?

12931 Saint Marys St, Detroit, MI is assigned to Dossin Elementary-Middle School (elementary), rated D; Cody High School (high), rated D+. All sit in Detroit Public Schools Community District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12931 Saint Marys St, Detroit, MI compare to other homes in Detroit 48227?

Among the 16,070 homes in Detroit 48227, it is bigger than 91% of them (1,882 ft² against a typical 1,248 ft²), its lot is bigger than 66% of them (0.12 ac against a typical 0.11 ac) and it is newer than 28% of them (1928 against a typical 1938). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 12931 Saint Marys St, Detroit, MI?

The 2025 property tax bill for 12931 Saint Marys St, Detroit, MI was $1,171. The county assessed it at $73,000.

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