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CondominiumResidential
$360,577$244 / 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 94How 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 $240,000 on Jun 25, 2018

21520 RIVER RIDGE CT

FARMINGTON HILLS, MI 48335
2
Beds
2.5
Baths
1,477 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.
93.69 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
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

$361K
$341K low$381K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$240,000 · Jun 25, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,088 (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.$171,680 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$35,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$136,680
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$154,760
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$343,360

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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyOAKLAND
Lot (acres)The size of the land the home sits on, from county records.93.69
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
FireplaceWhether the home has a fireplace, and what kind.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.Deck · 64 ft²Patio · 184 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.

M
Power Middle SchoolB+
Middle · Grades 6–8 · 0.3 mi
E
Gill Elementary SchoolB
Elementary · Grades KG–5 · 0.4 mi
H
Farmington High SchoolB
High · Grades 9–12 · 1.9 mi

District: Farmington Public School District

Neighborhood · ZIP 48335These 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.90
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.26,763
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,510 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,713
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,388
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

21520 River Ridge 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 less than 67% of homes in Farmington 48335
  • Costs more per square foot than 89% of homes in Farmington 48335
  • Smaller than 81% of homes in Farmington 48335
  • Among the largest lots in Oakland County
  • Newer than 90% of homes in Farmington 48335

What homes are worth in Farmington 48335

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

This home
$187K$695K

This home is worth more than 33% of homes in Farmington 48335.

How it measures up in Farmington 48335

The dot is this home. The mark in the middle is the typical home in Farmington 48335.

Estimated value$360,577
CheaperTypical $428,896Pricier

Pricier than 33% of homes nearby

Price per ft²$244
CheaperTypical $207Pricier

Pricier than 89% of homes nearby

Living area1,477 ft²
SmallerTypical 2,122 ft²Bigger

Bigger than 19% of homes nearby

Lot size93.69 ac
SmallerTypical 0.33 acBigger

Bigger than 93% of homes nearby

Year built1995
OlderTypical 1979Newer

Newer than 90% of homes nearby

How 21520 River Ridge Ct ranks against every home in each area.
MeasureThis homeFarmington 48335Oakland County
Estimated valuepricier than$360,57733% of homes48% of homes
Price per ft²pricier than$24489% of homes68% of homes
Living areabigger than1,477 ft²19% of homes39% of homes
Lot sizebigger than93.69 ac93% of homesalmost all homes
Year builtnewer than199590% of homes80% of homes

About 21520 River Ridge Ct

How much is 21520 River Ridge Ct, Farmington Hills, MI worth?

The TopHap Estimate for 21520 River Ridge Ct, Farmington Hills, MI is $360,577 as of Oct 21, 2026. The likely range is $340,585 to $380,569. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21520 River Ridge Ct, Farmington Hills, MI last sell?

21520 River Ridge Ct, Farmington Hills, MI last sold on Jun 25, 2018 for $240,000, according to the county's recorded deed.

How big is 21520 River Ridge Ct, Farmington Hills, MI?

21520 River Ridge Ct, Farmington Hills, MI has 2 bedrooms, 2.5 bathrooms, 1,477 square feet of living space and a 93.69-acre lot.

When was 21520 River Ridge Ct, Farmington Hills, MI built?

21520 River Ridge Ct, Farmington Hills, MI was built in 1995, making it 31 years old. It is a ranch home. The building has 1 story.

What schools serve 21520 River Ridge Ct, Farmington Hills, MI?

21520 River Ridge Ct, Farmington Hills, MI is assigned to Power Middle School (middle), rated B+; Gill Elementary School (elementary), rated B; Farmington High School (high), rated B. All sit in Farmington Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21520 River Ridge Ct, Farmington Hills, MI compare to other homes in Farmington 48335?

Among the 4,690 homes in Farmington 48335, it is worth more than 33% of them ($360,577 against a typical $428,896), its price per square foot is higher than 89% of them ($244 against a typical $207), it is bigger than 19% of them (1,477 ft² against a typical 2,122 ft²), its lot is bigger than 93% of them (93.69 ac against a typical 0.33 ac) and it is newer than 90% of them (1995 against a typical 1979). Measured against all of Oakland County, it is worth more than 48% 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 21520 River Ridge Ct, Farmington Hills, MI?

The 2025 property tax bill for 21520 River Ridge Ct, Farmington Hills, MI was $6,088. The county assessed it at $171,680.

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