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Single Family ResidenceResidential
$501,671$418 / 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 97How 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 $405,000 on Sep 25, 2020

821 DUNCAN ST

ANN ARBOR, MI 48103
3
Beds
1
Baths
1,200 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$502K
$484K low$519K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$405,000 · Sep 25, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,393 (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.$210,300 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$180,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$420,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWASHTENAW
Lot (acres)The size of the land the home sits on, from county records.0.20
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

Transaction History(3)

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
Haisley Elementary SchoolB+
Elementary · Grades KG–5 · 0.1 mi
M
Forsythe Middle SchoolA+
Middle · Grades 6–8 · 0.6 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

821 Duncan St 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 more than 71% of homes in Dexter-Miller
  • Costs more per square foot than 92% of homes in Washtenaw County
  • Smaller than 78% of homes in Washtenaw County
  • Has a bigger lot than 81% of homes in Dexter-Miller
  • Older than 81% of homes in Washtenaw County

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
$192K$1.3M

This home is worth more than 45% 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$501,671
CheaperTypical $525,491Pricier

Pricier than 45% of homes nearby

Price per ft²$418
CheaperTypical $307Pricier

Pricier than 85% of homes nearby

Living area1,200 ft²
SmallerTypical 1,694 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.2 ac
SmallerTypical 0.21 acBigger

Bigger than 44% of homes nearby

Year built1951
OlderTypical 1968Newer

Newer than 22% of homes nearby

How 821 Duncan St ranks against every home in each area.
MeasureThis homeDexter-MillerAnn Arbor 48103Washtenaw County
Estimated valuepricier than$501,67171% of homes45% of homes64% of homes
Price per ft²pricier than$41877% of homes85% of homes92% of homes
Living areabigger than1,200 ft²57% of homes23% of homes22% of homes
Lot sizebigger than0.2 ac81% of homes44% of homes39% of homes
Year builtnewer than195134% of homes22% of homes19% of homes

About 821 Duncan St

How much is 821 Duncan St, Ann Arbor, MI worth?

The TopHap Estimate for 821 Duncan St, Ann Arbor, MI is $501,671 as of Sep 24, 2026. The likely range is $484,331 to $519,011. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 Duncan St, Ann Arbor, MI last sell?

821 Duncan St, Ann Arbor, MI last sold on Sep 25, 2020 for $405,000, according to the county's recorded deed.

How big is 821 Duncan St, Ann Arbor, MI?

821 Duncan St, Ann Arbor, MI has 3 bedrooms, 1 bathrooms, 1,200 square feet of living space and a 0.20-acre lot.

When was 821 Duncan St, Ann Arbor, MI built?

821 Duncan St, Ann Arbor, MI was built in 1951, making it 75 years old. The building has 1 story.

What schools serve 821 Duncan St, Ann Arbor, MI?

821 Duncan St, Ann Arbor, MI is assigned to Haisley 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 821 Duncan St, 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 45% of them ($501,671 against a typical $525,491), its price per square foot is higher than 85% of them ($418 against a typical $307), it is bigger than 23% of them (1,200 ft² against a typical 1,694 ft²), its lot is bigger than 44% of them (0.2 ac against a typical 0.21 ac) and it is newer than 22% of them (1951 against a typical 1968). Measured against all of Washtenaw County, it is worth more than 64% 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 821 Duncan St, Ann Arbor, MI?

The 2025 property tax bill for 821 Duncan St, Ann Arbor, MI was $9,393. The county assessed it at $210,300.

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