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Single Family ResidenceResidential
$119,267$147 / 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 91How 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

644 SIMPSON AVE

KANSAS CITY, KS 66101
3
Beds
1
Baths
814 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$119K
$108K low$131K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,993 (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.$13,501 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,054
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,447
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$14,145
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$117,400

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.35
17
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
76
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
56
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
25
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.3 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.Bungalow
CountyWyandotte
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Stone (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 66 ft²Patio · 180 ft²Porch · 66 ft²

Transaction History(2)

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
Grant Elementary SchoolC
Elementary · Grades KG–5 · 1.2 mi
M
Rosedale Middle SchoolF
Middle · Grades 6–8 · 3.0 mi
H
J.C. Harmon High SchoolF
High · Grades 9–12 · 3.3 mi

District: Kansas City Unified School District 500

Neighborhood · ZIP 66101These 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.152
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
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.13,929
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,924 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$38,659
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$46,388
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

644 Simpson Ave 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 81% of homes in Wyandotte County
  • Costs more per square foot than 90% of homes in Riverview
  • Smaller than 91% of homes in Wyandotte County
  • Has a smaller lot than 80% of homes in Wyandotte County
  • Older than 83% of homes in Wyandotte County

What homes are worth in Kansas City 66101

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

This home
$48K$314K

This home is worth more than 62% of homes in Kansas City 66101.

How it measures up in Kansas City 66101

The dot is this home. The mark in the middle is the typical home in Kansas City 66101.

Estimated value$119,267
CheaperTypical $105,016Pricier

Pricier than 62% of homes nearby

Price per ft²$147
CheaperTypical $96Pricier

Pricier than 88% of homes nearby

Living area814 ft²
SmallerTypical 1,176 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.12 ac
SmallerTypical 0.1 acBigger

Bigger than 64% of homes nearby

Year built1920
OlderTypical 1920Newer

Newer than 71% of homes nearby

How 644 Simpson Ave ranks against every home in each area.
MeasureThis homeRiverviewKansas City 66101Wyandotte County
Estimated valuepricier than$119,26757% of homes62% of homes19% of homes
Price per ft²pricier than$14790% of homes88% of homes41% of homes
Living areabigger than814 ft²13% of homes14% of homes9% of homes
Lot sizebigger than0.12 ac65% of homes64% of homes20% of homes
Year builtnewer than192070% of homes71% of homes17% of homes

About 644 Simpson Ave

How much is 644 Simpson Ave, Kansas City, KS worth?

The TopHap Estimate for 644 Simpson Ave, Kansas City, KS is $119,267 as of Aug 30, 2026. The likely range is $108,013 to $130,521. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 644 Simpson Ave, Kansas City, KS last sell?

644 Simpson Ave, Kansas City, KS last sold on Jul 21, 2020, according to the county's recorded deed.

How big is 644 Simpson Ave, Kansas City, KS?

644 Simpson Ave, Kansas City, KS has 3 bedrooms, 1 bathrooms, 814 square feet of living space and a 0.12-acre lot.

When was 644 Simpson Ave, Kansas City, KS built?

644 Simpson Ave, Kansas City, KS was built in 1920, making it 106 years old. It is a bungalow home.

What schools serve 644 Simpson Ave, Kansas City, KS?

644 Simpson Ave, Kansas City, KS is assigned to Grant Elementary School (elementary), rated C; Rosedale Middle School (middle), rated F; J.C. Harmon High School (high), rated F. All sit in Kansas City Unified School District 500. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 644 Simpson Ave, Kansas City, KS compare to other homes in Kansas City 66101?

Among the 3,934 homes in Kansas City 66101, it is worth more than 62% of them ($119,267 against a typical $105,016), its price per square foot is higher than 88% of them ($147 against a typical $96), it is bigger than 14% of them (814 ft² against a typical 1,176 ft²), its lot is bigger than 64% of them (0.12 ac against a typical 0.1 ac) and it is newer than 71% of them (1920 against a typical 1920). Measured against all of Wyandotte County, it is worth more than 19% 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 644 Simpson Ave, Kansas City, KS?

The 2025 property tax bill for 644 Simpson Ave, Kansas City, KS was $1,993. The county assessed it at $13,501.

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