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CondominiumResidential
$69,839$143 / 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 91How 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 $49,900 on Mar 2, 2007

31831 GRAND RIVER AVE

FARMINGTON, MI 48336
Building report
1
Beds
1
Baths
490 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$70K
$64K low$76K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$49,900 · Mar 2, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$488 (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.$37,030 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$33,150
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$74,060

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.154 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Condo/Apartment
CountyOAKLAND
Lot (acres)The size of the land the home sits on, from county records.1.00
ConstructionThe main material the home's frame and walls are built from.Brick
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

H
Farmington High SchoolB
High · Grades 9–12 · 0.4 mi
E
Longacre Elementary SchoolA-
Elementary · Grades KG–5 · 1.6 mi
M
Power Middle SchoolB+
Middle · Grades 6–8 · 1.6 mi

District: Farmington Public School District

Neighborhood · ZIP 48336These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
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.26,622
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,934 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,105
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,209
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

31831 Grand River Ave 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.

  • Among the least valuable homes in Oakland County
  • Costs less per square foot than 92% of homes in Farmington 48336
  • Among the smallest homes in Oakland County
  • Has a bigger lot than 87% of homes in Farmington 48336

What homes are worth in Farmington 48336

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

This home
$100K$575K

This home is worth less than almost all homes in Farmington 48336.

How it measures up in Farmington 48336

The dot is this home. The mark in the middle is the typical home in Farmington 48336.

Estimated value$69,839
CheaperTypical $298,088Pricier

Cheaper than almost all homes nearby

Price per ft²$143
CheaperTypical $195Pricier

Pricier than 8% of homes nearby

Living area490 ft²
SmallerTypical 1,443 ft²Bigger

Smaller than almost all homes nearby

Lot size1 ac
SmallerTypical 0.29 acBigger

Bigger than 87% of homes nearby

Year built1964
OlderTypical 1963Newer

Newer than 56% of homes nearby

How 31831 Grand River Ave ranks against every home in each area.
MeasureThis homeFarmington 48336Oakland County
Estimated valuepricier than$69,839almost no homesalmost no homes
Price per ft²pricier than$1438% of homes9% of homes
Living areabigger than490 ft²almost no homesalmost no homes
Lot sizebigger than1 ac87% of homes85% of homes
Year builtnewer than196456% of homes40% of homes

About 31831 Grand River Ave

How much is 31831 Grand River Ave, Farmington, MI worth?

The TopHap Estimate for 31831 Grand River Ave, Farmington, MI is $69,839 as of Sep 24, 2026. The likely range is $63,629 to $76,049. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31831 Grand River Ave, Farmington, MI last sell?

31831 Grand River Ave, Farmington, MI last sold on Mar 2, 2007 for $49,900, according to the county's recorded deed.

How big is 31831 Grand River Ave, Farmington, MI?

31831 Grand River Ave, Farmington, MI has 1 bedrooms, 1 bathrooms, 490 square feet of living space and a 1.00-acre lot.

When was 31831 Grand River Ave, Farmington, MI built?

31831 Grand River Ave, Farmington, MI was built in 1964, making it 62 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 31831 Grand River Ave, Farmington, MI?

31831 Grand River Ave, Farmington, MI is assigned to Farmington High School (high), rated B; Longacre Elementary School (elementary), rated A-; Power Middle School (middle), rated B+. All sit in Farmington Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31831 Grand River Ave, Farmington, MI compare to other homes in Farmington 48336?

Among the 9,342 homes in Farmington 48336, it is worth more than almost none of them ($69,839 against a typical $298,088), its price per square foot is higher than 8% of them ($143 against a typical $195), it is bigger than almost none of them (490 ft² against a typical 1,443 ft²), its lot is bigger than 87% of them (1 ac against a typical 0.29 ac) and it is newer than 56% of them (1964 against a typical 1963). Measured against all of Oakland County, it is worth more than almost no 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 31831 Grand River Ave, Farmington, MI?

The 2025 property tax bill for 31831 Grand River Ave, Farmington, MI was $488. The county assessed it at $37,030.

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