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Single Family ResidenceResidential
$108,196$104 / 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 87How 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

645 WILLIAM ST

KALAMAZOO, MI 49007
3
Beds
1
Baths
1,038 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1905
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$108K
$94K low$123K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$35,600 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$34,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$71,200

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.8 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
CountyKALAMAZOO
Lot (acres)The size of the land the home sits on, from county records.0.13
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Winchell Elementary SchoolA-
Elementary · Grades PK–5 · 2.7 mi
M
Linden Grove Middle SchoolB+
Middle · Grades 6–8 · 2.7 mi
H
Kalamazoo Central High SchoolB
High · Grades 9–12 · 2.9 mi

District: Kalamazoo Public School District

Neighborhood · ZIP 49007These 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.162
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.29%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.11,304
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,956 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$38,519
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$54,083
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

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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

645 William 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 less than 94% of homes in Kalamazoo County
  • Costs less per square foot than 92% of homes in Kalamazoo County
  • Smaller than 83% of homes in Kalamazoo County
  • Has a smaller lot than 90% of homes in Kalamazoo County
  • Older than 94% of homes in Kalamazoo County

What homes are worth in Kalamazoo 49007

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

This home
$39K$349K

This home is worth more than 48% of homes in Kalamazoo 49007.

How it measures up in Kalamazoo 49007

The dot is this home. The mark in the middle is the typical home in Kalamazoo 49007.

Estimated value$108,196
CheaperTypical $111,200Pricier

Pricier than 48% of homes nearby

Price per ft²$104
CheaperTypical $86Pricier

Pricier than 71% of homes nearby

Living area1,038 ft²
SmallerTypical 1,362 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.13 ac
SmallerTypical 0.13 acBigger

Bigger than 55% of homes nearby

Year built1905
OlderTypical 1908Newer

Newer than 45% of homes nearby

How 645 William St ranks against every home in each area.
MeasureThis homeNorthsideKalamazoo 49007Kalamazoo County
Estimated valuepricier than$108,19669% of homes48% of homes6% of homes
Price per ft²pricier than$10485% of homes71% of homes8% of homes
Living areabigger than1,038 ft²30% of homes22% of homes17% of homes
Lot sizebigger than0.13 ac56% of homes55% of homes10% of homes
Year builtnewer than190541% of homes45% of homes6% of homes

About 645 William St

How much is 645 William St, Kalamazoo, MI worth?

The TopHap Estimate for 645 William St, Kalamazoo, MI is $108,196 as of Aug 30, 2026. The likely range is $93,793 to $122,599. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 645 William St, Kalamazoo, MI last sell?

645 William St, Kalamazoo, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 645 William St, Kalamazoo, MI?

645 William St, Kalamazoo, MI has 3 bedrooms, 1 bathrooms, 1,038 square feet of living space and a 0.13-acre lot.

When was 645 William St, Kalamazoo, MI built?

645 William St, Kalamazoo, MI was built in 1905, making it 121 years old. The building has 1 story.

What schools serve 645 William St, Kalamazoo, MI?

645 William St, Kalamazoo, MI is assigned to Winchell Elementary School (elementary), rated A-; Linden Grove Middle School (middle), rated B+; Kalamazoo Central High School (high), rated B. All sit in Kalamazoo Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 William St, Kalamazoo, MI compare to other homes in Kalamazoo 49007?

Among the 2,545 homes in Kalamazoo 49007, it is worth more than 48% of them ($108,196 against a typical $111,200), its price per square foot is higher than 71% of them ($104 against a typical $86), it is bigger than 22% of them (1,038 ft² against a typical 1,362 ft²), its lot is bigger than 55% of them (0.13 ac against a typical 0.13 ac) and it is newer than 45% of them (1905 against a typical 1908). Measured against all of Kalamazoo County, it is worth more than 6% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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