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Single Family ResidenceResidential
$1,913,429$1,254 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $1,915,000 on Jul 1, 2026

621 W SUMMIT ST

ANN ARBOR, MI 48103
3
Beds
2
Baths
1,526 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1901
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

$1.9M
$1.6M low$2.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,915,000 · Jul 1, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,661 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$254,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$509,600

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.0.29
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(4)

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.

M
Slauson Middle SchoolA
Middle · Grades 6–8 · 0.7 mi
E
Bach Elementary SchoolA
Elementary · Grades KG–5 · 0.8 mi
H
Skyline High SchoolA+
High · Grades 9–12 · 1.6 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

621 W Summit 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.

  • Among the most valuable homes in Bach
  • Among the highest price per square foot in Bach
  • Has a bigger lot than 95% of homes in Bach
  • Older than 95% of homes in Ann Arbor 48103

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
$194K$1.3M

This home is worth more than almost all 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$1,913,429
CheaperTypical $521,698Pricier

Pricier than almost all homes nearby

Price per ft²$1254
CheaperTypical $304Pricier

Pricier than almost all homes nearby

Living area1,526 ft²
SmallerTypical 1,684 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.29 ac
SmallerTypical 0.21 acBigger

Bigger than 67% of homes nearby

Year built1901
OlderTypical 1969Newer

Newer than 5% of homes nearby

How 621 W Summit St ranks against every home in each area.
MeasureThis homeBachAnn Arbor 48103Washtenaw County
Estimated valuepricier than$1,913,429almost all homesalmost all homesalmost all homes
Price per ft²pricier than$1254almost all homesalmost all homesalmost all homes
Living areabigger than1,526 ft²55% of homes42% of homes42% of homes
Lot sizebigger than0.29 ac95% of homes67% of homes58% of homes
Year builtnewer than190133% of homes5% of homes5% of homes

About 621 W Summit St

How much is 621 W Summit St, Ann Arbor, MI worth?

The TopHap Estimate for 621 W Summit St, Ann Arbor, MI is $1,913,429 as of Aug 30, 2026. The likely range is $1,623,498 to $2,203,360. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 W Summit St, Ann Arbor, MI last sell?

621 W Summit St, Ann Arbor, MI last sold on Jul 1, 2026 for $1,915,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 621 W Summit St, Ann Arbor, MI?

621 W Summit St, Ann Arbor, MI has 3 bedrooms, 2 bathrooms, 1,526 square feet of living space and a 0.29-acre lot.

When was 621 W Summit St, Ann Arbor, MI built?

621 W Summit St, Ann Arbor, MI was built in 1901, making it 125 years old. The building has 2 stories.

What schools serve 621 W Summit St, Ann Arbor, MI?

621 W Summit St, Ann Arbor, MI is assigned to Slauson Middle School (middle), rated A; Bach Elementary School (elementary), 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 621 W Summit 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 almost all of them ($1,913,429 against a typical $521,698), its price per square foot is higher than almost all of them ($1254 against a typical $304), it is bigger than 42% of them (1,526 ft² against a typical 1,684 ft²), its lot is bigger than 67% of them (0.29 ac against a typical 0.21 ac) and it is newer than 5% of them (1901 against a typical 1969). Measured against all of Washtenaw County, it is worth more than almost all 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 621 W Summit St, Ann Arbor, MI?

The 2025 property tax bill for 621 W Summit St, Ann Arbor, MI was $17,661.

More homes on W Summit St

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Assigned schools

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