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Single Family ResidenceResidential
$400,812$257 / 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 96How 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 $351,000 on Jun 28, 2018

640 DUANE CT

ANN ARBOR, MI 48103
4
Beds
1.5
Baths
1,560 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
8
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

$401K
$383K low$418K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$351,000 · Jun 28, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,343 (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.$200,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$188,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$400,400

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.7 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
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyWASHTENAW
Lot (acres)The size of the land the home sits on, from county records.0.16
HeatingThe type of heating system in the home.Hot Water
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

Transaction History(5)

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
Abbot Elementary SchoolB+
Elementary · Grades KG–5 · 0.3 mi
M
Forsythe Middle SchoolA+
Middle · Grades 6–8 · 0.9 mi
H
Skyline High SchoolA+
High · Grades 9–12 · 1.1 mi

District: Ann Arbor Public Schools

Neighborhood · ZIP 48103These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.33

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.54,841
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.846 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,734
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$149,676
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

640 Duane 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 79% of homes in Ann Arbor 48103
  • Costs less per square foot than 74% of homes in Ann Arbor 48103
  • Has a smaller lot than 94% of homes in Abbot
  • Older than 77% of homes in Abbot

What homes are worth in Ann Arbor 48103

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

This home
$199K$1.3M

This home is worth more than 21% of homes in Ann Arbor 48103.

How it measures up in Ann Arbor 48103

The dot is this home. The mark in the middle is the typical home in Ann Arbor 48103.

Estimated value$400,812
CheaperTypical $525,323Pricier

Pricier than 21% of homes nearby

Price per ft²$257
CheaperTypical $308Pricier

Pricier than 26% of homes nearby

Living area1,560 ft²
SmallerTypical 1,693 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.16 ac
SmallerTypical 0.21 acBigger

Bigger than 30% of homes nearby

Year built1960
OlderTypical 1968Newer

Newer than 40% of homes nearby

How 640 Duane Ct ranks against every home in each area.
MeasureThis homeAbbotAnn Arbor 48103Washtenaw County
Estimated valuepricier than$400,81229% of homes21% of homes46% of homes
Price per ft²pricier than$25728% of homes26% of homes55% of homes
Living areabigger than1,560 ft²40% of homes44% of homes43% of homes
Lot sizebigger than0.16 ac6% of homes30% of homes25% of homes
Year builtnewer than196023% of homes40% of homes31% of homes

About 640 Duane Ct

How much is 640 Duane Ct, Ann Arbor, MI worth?

The TopHap Estimate for 640 Duane Ct, Ann Arbor, MI is $400,812 as of Sep 24, 2026. The likely range is $383,399 to $418,225. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Duane Ct, Ann Arbor, MI last sell?

640 Duane Ct, Ann Arbor, MI last sold on Jun 28, 2018 for $351,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 640 Duane Ct, Ann Arbor, MI?

640 Duane Ct, Ann Arbor, MI has 4 bedrooms, 1.5 bathrooms, 1,560 square feet of living space and a 0.16-acre lot.

When was 640 Duane Ct, Ann Arbor, MI built?

640 Duane Ct, Ann Arbor, MI was built in 1960, making it 66 years old. It is a split level home.

What schools serve 640 Duane Ct, Ann Arbor, MI?

640 Duane Ct, Ann Arbor, MI is assigned to Abbot Elementary School (elementary), rated B+; Forsythe Middle School (middle), rated A+; Skyline High School (high), rated A+. All sit in Ann Arbor Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Duane Ct, Ann Arbor, MI compare to other homes in Ann Arbor 48103?

Among the 18,887 homes in Ann Arbor 48103, it is worth more than 21% of them ($400,812 against a typical $525,323), its price per square foot is higher than 26% of them ($257 against a typical $308), it is bigger than 44% of them (1,560 ft² against a typical 1,693 ft²), its lot is bigger than 30% of them (0.16 ac against a typical 0.21 ac) and it is newer than 40% of them (1960 against a typical 1968). Measured against all of Washtenaw County, it is worth more than 46% 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 640 Duane Ct, Ann Arbor, MI?

The 2025 property tax bill for 640 Duane Ct, Ann Arbor, MI was $10,343. The county assessed it at $200,200.

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