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Single Family ResidenceResidential
$187,109$177 / 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 90How 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 $75,000 on Feb 5, 2014

21870 RIDGEDALE ST

OAK PARK, MI 48237
3
Beds
1
Baths
1,057 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$187K
$169K low$205K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$75,000 · Feb 5, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,036 (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.$102,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$87,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$96,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$204,800

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.14 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
CountyOAKLAND
Lot (acres)The size of the land the home sits on, from county records.0.14
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
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 41 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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Einstein Elementary SchoolD
Elementary · Grades PK–5 · 0.4 mi
M
Oak Park Preparatory AcademyC
Middle · Grades 6–8 · 0.6 mi
H
Oak Park High SchoolC-
High · Grades 9–12 · 0.6 mi

District: Oak Park City School District

Neighborhood · ZIP 48237These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.30,006
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,796 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,494
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,997
Average tempThe average temperature here across a full year.49°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

21870 Ridgedale 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 less than 87% of homes in Oakland County
  • Costs less per square foot than 71% of homes in Oakland County
  • Smaller than 84% of homes in Oakland County
  • Has a smaller lot than 87% of homes in Oakland County
  • Older than 76% of homes in Oakland County

What homes are worth in Oak Park 48237

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

This home
$102K$381K

This home is worth more than 29% of homes in Oak Park 48237.

How it measures up in Oak Park 48237

The dot is this home. The mark in the middle is the typical home in Oak Park 48237.

Estimated value$187,109
CheaperTypical $212,753Pricier

Pricier than 29% of homes nearby

Price per ft²$177
CheaperTypical $171Pricier

Pricier than 55% of homes nearby

Living area1,057 ft²
SmallerTypical 1,194 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 26% of homes nearby

Year built1953
OlderTypical 1953Newer

Newer than 54% of homes nearby

How 21870 Ridgedale St ranks against every home in each area.
MeasureThis homeOak Park 48237Oakland County
Estimated valuepricier than$187,10929% of homes13% of homes
Price per ft²pricier than$17755% of homes29% of homes
Living areabigger than1,057 ft²26% of homes16% of homes
Lot sizebigger than0.14 ac26% of homes13% of homes
Year builtnewer than195354% of homes24% of homes

About 21870 Ridgedale St

How much is 21870 Ridgedale St, Oak Park, MI worth?

The TopHap Estimate for 21870 Ridgedale St, Oak Park, MI is $187,109 as of Aug 30, 2026. The likely range is $169,094 to $205,124. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21870 Ridgedale St, Oak Park, MI last sell?

21870 Ridgedale St, Oak Park, MI last sold on Feb 5, 2014 for $75,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21870 Ridgedale St, Oak Park, MI?

21870 Ridgedale St, Oak Park, MI has 3 bedrooms, 1 bathrooms, 1,057 square feet of living space and a 0.14-acre lot.

When was 21870 Ridgedale St, Oak Park, MI built?

21870 Ridgedale St, Oak Park, MI was built in 1953, making it 73 years old. The building has 1 story.

What schools serve 21870 Ridgedale St, Oak Park, MI?

21870 Ridgedale St, Oak Park, MI is assigned to Einstein Elementary School (elementary), rated D; Oak Park Preparatory Academy (middle), rated C; Oak Park High School (high), rated C-. All sit in Oak Park City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21870 Ridgedale St, Oak Park, MI compare to other homes in Oak Park 48237?

Among the 9,800 homes in Oak Park 48237, it is worth more than 29% of them ($187,109 against a typical $212,753), its price per square foot is higher than 55% of them ($177 against a typical $171), it is bigger than 26% of them (1,057 ft² against a typical 1,194 ft²), its lot is bigger than 26% of them (0.14 ac against a typical 0.15 ac) and it is newer than 54% of them (1953 against a typical 1953). Measured against all of Oakland County, it is worth more than 13% 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 21870 Ridgedale St, Oak Park, MI?

The 2025 property tax bill for 21870 Ridgedale St, Oak Park, MI was $2,036. The county assessed it at $102,400.

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