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Single Family ResidenceResidential
$140,475$101 / 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 89How 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 $44,555 on Mar 21, 2018

643 NORTHRUP AVE

KANSAS CITY, KS 66101
3
Beds
2.5
Baths
1,392 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.
3,485 ft²
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.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$140K
$125K low$156K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$44,555 · Mar 21, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,941 (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.$13,179 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,579
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$13,076
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$114,600

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.43
60
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.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyWYANDOTTE
Lot (acres)The size of the land the home sits on, from county records.0.08
ConstructionThe main material the home's frame and walls are built from.Frame (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.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 120 ft²Patio · 120 ft²Porch · 126 ft²

Transaction History(7)

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 · 1.0 mi
M
Rosedale Middle SchoolF
Middle · Grades 6–8 · 3.1 mi
H
J.C. Harmon High SchoolF
High · Grades 9–12 · 3.4 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

643 Northrup 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 more than 75% of homes in Kansas City 66101
  • Costs less per square foot than 86% of homes in Wyandotte County
  • Bigger than 66% of homes in Riverview
  • Has a smaller lot than 92% of homes in Wyandotte County
  • Older than 84% 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
$43K$296K

This home is worth more than 75% 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$140,475
CheaperTypical $105,975Pricier

Pricier than 75% of homes nearby

Price per ft²$101
CheaperTypical $95Pricier

Pricier than 57% of homes nearby

Living area1,392 ft²
SmallerTypical 1,181 ft²Bigger

Bigger than 64% of homes nearby

Lot size3,485 ft²
SmallerTypical 0.1 acBigger

Bigger than 36% of homes nearby

Year built1920
OlderTypical 1920Newer

Newer than 71% of homes nearby

How 643 Northrup Ave ranks against every home in each area.
MeasureThis homeRiverviewKansas City 66101Wyandotte County
Estimated valuepricier than$140,47574% of homes75% of homes27% of homes
Price per ft²pricier than$10157% of homes57% of homes14% of homes
Living areabigger than1,392 ft²66% of homes64% of homes63% of homes
Lot sizebigger than3,485 ft²29% of homes36% of homes8% of homes
Year builtnewer than192070% of homes71% of homes16% of homes

About 643 Northrup Ave

How much is 643 Northrup Ave, Kansas City, KS worth?

The TopHap Estimate for 643 Northrup Ave, Kansas City, KS is $140,475 as of Sep 24, 2026. The likely range is $125,076 to $155,874. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Northrup Ave, Kansas City, KS last sell?

643 Northrup Ave, Kansas City, KS last sold on Mar 21, 2018 for $44,555, according to the county's recorded deed.

How big is 643 Northrup Ave, Kansas City, KS?

643 Northrup Ave, Kansas City, KS has 3 bedrooms, 2.5 bathrooms, 1,392 square feet of living space and a 0.08-acre lot.

When was 643 Northrup Ave, Kansas City, KS built?

643 Northrup Ave, Kansas City, KS was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 643 Northrup Ave, Kansas City, KS?

643 Northrup 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 643 Northrup Ave, Kansas City, KS compare to other homes in Kansas City 66101?

Among the 3,950 homes in Kansas City 66101, it is worth more than 75% of them ($140,475 against a typical $105,975), its price per square foot is higher than 57% of them ($101 against a typical $95), it is bigger than 64% of them (1,392 ft² against a typical 1,181 ft²), its lot is bigger than 36% of them (3,485 ft² 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 27% 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 643 Northrup Ave, Kansas City, KS?

The 2025 property tax bill for 643 Northrup Ave, Kansas City, KS was $1,941. The county assessed it at $13,179.

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