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CondominiumResidential
$368,600$214 / 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 92How 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
Last sold for $242,000 on Oct 19, 2004

21620 RIVER RIDGE TRL

FARMINGTON HILLS, MI 48335
2
Beds
3
Baths
1,722 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.
93.7 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

$369K
$341K low$396K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$242,000 · Oct 19, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,938 (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.$174,510 (2024)
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.$139,510
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$349,020

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 · 160 ft²Patio · 352 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

21620 River Ridge Trl 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 65% of homes in Farmington 48335
  • Costs more per square foot than 65% of homes in Farmington 48335
  • Smaller than 65% of homes in Farmington 48335
  • Among the largest lots in Farmington 48335
  • 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
$184K$716K

This home is worth more than 35% 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$368,600
CheaperTypical $423,974Pricier

Pricier than 35% of homes nearby

Price per ft²$214
CheaperTypical $204Pricier

Pricier than 65% of homes nearby

Living area1,722 ft²
SmallerTypical 2,113 ft²Bigger

Bigger than 35% of homes nearby

Lot size93.7 ac
SmallerTypical 0.33 acBigger

Bigger than almost all homes nearby

Year built1995
OlderTypical 1979Newer

Newer than 90% of homes nearby

How 21620 River Ridge Trl ranks against every home in each area.
MeasureThis homeFarmington 48335Oakland County
Estimated valuepricier than$368,60035% of homes49% of homes
Price per ft²pricier than$21465% of homes47% of homes
Living areabigger than1,722 ft²35% of homes51% of homes
Lot sizebigger than93.7 acalmost all homesalmost all homes
Year builtnewer than199590% of homes80% of homes

About 21620 River Ridge Trl

How much is 21620 River Ridge Trl, Farmington Hills, MI worth?

The TopHap Estimate for 21620 River Ridge Trl, Farmington Hills, MI is $368,600 as of Sep 24, 2026. The likely range is $340,796 to $396,404. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21620 River Ridge Trl, Farmington Hills, MI last sell?

21620 River Ridge Trl, Farmington Hills, MI last sold on Oct 19, 2004 for $242,000, according to the county's recorded deed.

How big is 21620 River Ridge Trl, Farmington Hills, MI?

21620 River Ridge Trl, Farmington Hills, MI has 2 bedrooms, 3 bathrooms, 1,722 square feet of living space and a 93.69-acre lot.

When was 21620 River Ridge Trl, Farmington Hills, MI built?

21620 River Ridge Trl, 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 21620 River Ridge Trl, Farmington Hills, MI?

21620 River Ridge Trl, 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 21620 River Ridge Trl, Farmington Hills, MI compare to other homes in Farmington 48335?

Among the 4,688 homes in Farmington 48335, it is worth more than 35% of them ($368,600 against a typical $423,974), its price per square foot is higher than 65% of them ($214 against a typical $204), it is bigger than 35% of them (1,722 ft² against a typical 2,113 ft²), its lot is bigger than almost all of them (93.7 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 49% 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 21620 River Ridge Trl, Farmington Hills, MI?

The 2025 property tax bill for 21620 River Ridge Trl, Farmington Hills, MI was $3,938. The county assessed it at $174,510.

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