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Single Family ResidenceResidential
$699,065$196 / 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 Oct 21, 2026

3801 W 129TH ST

LEAWOOD, KS 66209
4
Beds
3.5
Baths
3,572 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.
0.42 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$699K
$673K low$725K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,265 (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.$65,573 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,719
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$48,854
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$63,066
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$570,200

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.Conventional
CountyJOHNSON
Lot (acres)The size of the land the home sits on, from county records.0.42
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood / Spot
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 280 ft²Patio · 280 ft²Porch · 355 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Mission Trail Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi
M
Leawood Middle SchoolA
Middle · Grades 6–8 · 1.3 mi
H
Blue Valley North High SchoolA
High · Grades 9–12 · 1.9 mi

District: Blue Valley Unified School District 229

Neighborhood · ZIP 66209These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.19,858
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,214 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$139,543
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$185,512
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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

3801 W 129th 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 more than 80% of homes in Johnson County
  • Bigger than 83% of homes in Johnson County
  • Has a bigger lot than 85% of homes in Leawood 66209
  • Older than 71% of homes in South Leawood

What homes are worth in Leawood 66209

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

This home
$471K$1.4M

This home is worth more than 47% of homes in Leawood 66209.

How it measures up in Leawood 66209

The dot is this home. The mark in the middle is the typical home in Leawood 66209.

Estimated value$699,065
CheaperTypical $711,113Pricier

Pricier than 47% of homes nearby

Price per ft²$196
CheaperTypical $197Pricier

Pricier than 48% of homes nearby

Living area3,572 ft²
SmallerTypical 3,502 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.42 ac
SmallerTypical 0.3 acBigger

Bigger than 85% of homes nearby

Year built1986
OlderTypical 1988Newer

Newer than 36% of homes nearby

How 3801 W 129th St ranks against every home in each area.
MeasureThis homeSouth LeawoodLeawood 66209Johnson County
Estimated valuepricier than$699,06533% of homes47% of homes80% of homes
Price per ft²pricier than$19638% of homes48% of homes40% of homes
Living areabigger than3,572 ft²43% of homes52% of homes83% of homes
Lot sizebigger than0.42 ac74% of homes85% of homes85% of homes
Year builtnewer than198629% of homes36% of homes49% of homes

About 3801 W 129th St

How much is 3801 W 129th St, Leawood, KS worth?

The TopHap Estimate for 3801 W 129th St, Leawood, KS is $699,065 as of Oct 21, 2026. The likely range is $672,909 to $725,221. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3801 W 129th St, Leawood, KS last sell?

3801 W 129th St, Leawood, KS last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3801 W 129th St, Leawood, KS?

3801 W 129th St, Leawood, KS has 4 bedrooms, 3.5 bathrooms, 3,572 square feet of living space and a 0.42-acre lot.

When was 3801 W 129th St, Leawood, KS built?

3801 W 129th St, Leawood, KS was built in 1986, making it 40 years old. It is a conventional home. The building has 1 story.

What schools serve 3801 W 129th St, Leawood, KS?

3801 W 129th St, Leawood, KS is assigned to Mission Trail Elementary School (elementary), rated A+; Leawood Middle School (middle), rated A; Blue Valley North High School (high), rated A. All sit in Blue Valley Unified School District 229. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3801 W 129th St, Leawood, KS compare to other homes in Leawood 66209?

Among the 6,328 homes in Leawood 66209, it is worth more than 47% of them ($699,065 against a typical $711,113), its price per square foot is higher than 48% of them ($196 against a typical $197), it is bigger than 52% of them (3,572 ft² against a typical 3,502 ft²), its lot is bigger than 85% of them (0.42 ac against a typical 0.3 ac) and it is newer than 36% of them (1986 against a typical 1988). Measured against all of Johnson County, it is worth more than 80% 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 3801 W 129th St, Leawood, KS?

The 2025 property tax bill for 3801 W 129th St, Leawood, KS was $7,265. The county assessed it at $65,573.

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