Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$434,054$223 / 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 93How 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

4850 ALTON CT

TROY, MI 48085
3
Beds
2.5
Baths
1,948 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.
0.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$434K
$405K low$464K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,479 (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.$163,880 (2022)
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$327,760

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.0.36
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.None
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 135 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
Costello Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi
M
Larson Middle SchoolA+
Middle · Grades 6–8 · 0.6 mi
H
Athens High SchoolB
High · Grades 9–12 · 0.6 mi

District: Troy School District

Neighborhood · ZIP 48085These 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.22
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.26,986
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,855 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,711
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,412
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%

Owner Tools

Do you own this home?
Claim this home

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

4850 Alton 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.

  • Has a bigger lot than 70% of homes in Troy 48085
  • Older than 70% of homes in Troy 48085

What homes are worth in Troy 48085

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

This home
$271K$830K

This home is worth more than 36% of homes in Troy 48085.

How it measures up in Troy 48085

The dot is this home. The mark in the middle is the typical home in Troy 48085.

Estimated value$434,054
CheaperTypical $475,172Pricier

Pricier than 36% of homes nearby

Price per ft²$223
CheaperTypical $228Pricier

Pricier than 43% of homes nearby

Living area1,948 ft²
SmallerTypical 2,085 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.36 ac
SmallerTypical 0.27 acBigger

Bigger than 70% of homes nearby

Year built1971
OlderTypical 1976Newer

Newer than 30% of homes nearby

How 4850 Alton Ct ranks against every home in each area.
MeasureThis homeTroy 48085Oakland County
Estimated valuepricier than$434,05436% of homes61% of homes
Price per ft²pricier than$22343% of homes54% of homes
Living areabigger than1,948 ft²41% of homes59% of homes
Lot sizebigger than0.36 ac70% of homes59% of homes
Year builtnewer than197130% of homes51% of homes

About 4850 Alton Ct

How much is 4850 Alton Ct, Troy, MI worth?

The TopHap Estimate for 4850 Alton Ct, Troy, MI is $434,054 as of Sep 24, 2026. The likely range is $404,562 to $463,546. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4850 Alton Ct, Troy, MI last sell?

4850 Alton Ct, Troy, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4850 Alton Ct, Troy, MI?

4850 Alton Ct, Troy, MI has 3 bedrooms, 2.5 bathrooms, 1,948 square feet of living space and a 0.36-acre lot.

When was 4850 Alton Ct, Troy, MI built?

4850 Alton Ct, Troy, MI was built in 1971, making it 55 years old. It is a ranch home. The building has 1 story.

What schools serve 4850 Alton Ct, Troy, MI?

4850 Alton Ct, Troy, MI is assigned to Costello Elementary School (elementary), rated A+; Larson Middle School (middle), rated A+; Athens High School (high), rated B. All sit in Troy School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4850 Alton Ct, Troy, MI compare to other homes in Troy 48085?

Among the 9,530 homes in Troy 48085, it is worth more than 36% of them ($434,054 against a typical $475,172), its price per square foot is higher than 43% of them ($223 against a typical $228), it is bigger than 41% of them (1,948 ft² against a typical 2,085 ft²), its lot is bigger than 70% of them (0.36 ac against a typical 0.27 ac) and it is newer than 30% of them (1971 against a typical 1976). Measured against all of Oakland County, it is worth more than 61% 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 4850 Alton Ct, Troy, MI?

The 2025 property tax bill for 4850 Alton Ct, Troy, MI was $3,479. The county assessed it at $163,880.

More homes on Alton Ct

Closest homes

More homes in Troy 48085

Assigned schools

Explore the area

See this home in context

Open 4850 Alton Ct on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map