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Single Family ResidenceResidential
$559,828$242 / 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 $550,000 on Apr 22, 2022

620 ALLISON DR

ANN ARBOR, MI 48103
3
Beds
2.5
Baths
2,318 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
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

$560K
$539K low$581K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · Apr 22, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,494 (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.$440,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$404,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$880,400

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.0.32
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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
Abbot Elementary SchoolB+
Elementary · Grades KG–5 · 0.4 mi
M
Forsythe Middle SchoolA
Middle · Grades 6–8 · 1.0 mi
H
Skyline High SchoolA+
High · Grades 9–12 · 1.2 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

620 Allison Dr 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 72% of homes in Washtenaw County
  • Costs less per square foot than 85% of homes in Abbot
  • Bigger than 77% of homes in Washtenaw County
  • Has a bigger lot than 69% of homes in Ann Arbor 48103
  • Newer than 89% 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
$190K$1.3M

This home is worth more than 58% 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$559,828
CheaperTypical $522,006Pricier

Pricier than 58% of homes nearby

Price per ft²$242
CheaperTypical $308Pricier

Pricier than 17% of homes nearby

Living area2,318 ft²
SmallerTypical 1,694 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.32 ac
SmallerTypical 0.21 acBigger

Bigger than 69% of homes nearby

Year built1994
OlderTypical 1968Newer

Newer than 72% of homes nearby

How 620 Allison Dr ranks against every home in each area.
MeasureThis homeAbbotAnn Arbor 48103Washtenaw County
Estimated valuepricier than$559,82865% of homes58% of homes72% of homes
Price per ft²pricier than$24215% of homes17% of homes46% of homes
Living areabigger than2,318 ft²75% of homes75% of homes77% of homes
Lot sizebigger than0.32 ac42% of homes69% of homes61% of homes
Year builtnewer than199489% of homes72% of homes67% of homes

About 620 Allison Dr

How much is 620 Allison Dr, Ann Arbor, MI worth?

The TopHap Estimate for 620 Allison Dr, Ann Arbor, MI is $559,828 as of Sep 24, 2026. The likely range is $539,044 to $580,612. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 620 Allison Dr, Ann Arbor, MI last sell?

620 Allison Dr, Ann Arbor, MI last sold on Apr 22, 2022 for $550,000, according to the county's recorded deed.

How big is 620 Allison Dr, Ann Arbor, MI?

620 Allison Dr, Ann Arbor, MI has 3 bedrooms, 2.5 bathrooms, 2,318 square feet of living space and a 0.32-acre lot.

When was 620 Allison Dr, Ann Arbor, MI built?

620 Allison Dr, Ann Arbor, MI was built in 1994, making it 32 years old. The building has 2 stories.

What schools serve 620 Allison Dr, Ann Arbor, MI?

620 Allison Dr, 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 620 Allison Dr, 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 58% of them ($559,828 against a typical $522,006), its price per square foot is higher than 17% of them ($242 against a typical $308), it is bigger than 75% of them (2,318 ft² against a typical 1,694 ft²), its lot is bigger than 69% of them (0.32 ac against a typical 0.21 ac) and it is newer than 72% of them (1994 against a typical 1968). Measured against all of Washtenaw County, it is worth more than 72% 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 620 Allison Dr, Ann Arbor, MI?

The 2025 property tax bill for 620 Allison Dr, Ann Arbor, MI was $9,494. The county assessed it at $440,200.

More homes on Allison Dr

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