Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
Last sold for $4,389,000 on Jan 13, 2026

11640 S ROUNDTREE ST

OLATHE, KS 66061
0
Baths
1.09 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,389,000 · Jan 13, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,002 (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.$26,112 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$26,112
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$23,712
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$217,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyJOHNSON
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

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
Summit Trail Middle SchoolB-
Middle · Grades 6–8 · 0.2 mi
E
Millbrooke Elementary SchoolC
Elementary · Grades PK–5 · 0.2 mi
H
Olathe Northwest High SchoolA+
High · Grades 9–12 · 1.0 mi

District: Olathe Unified School District 233

Neighborhood · ZIP 66061These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.68,324
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.981 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,871
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,582
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%

Owner Tools

Do you own this home?
Claim this home

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

11640 S Roundtree 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.

  • Has a bigger lot than 96% of homes in Olathe 66061

How it measures up in Olathe 66061

The dot is this home. The mark in the middle is the typical home in Olathe 66061.

Lot size1.09 ac
SmallerTypical 0.23 acBigger

Bigger than 96% of homes nearby

How 11640 S Roundtree St ranks against every home in each area.
MeasureThis homeOlathe 66061Johnson County
Lot sizebigger than1.09 ac96% of homes96% of homes

About 11640 S Roundtree St

When did 11640 S Roundtree St, Olathe, KS last sell?

11640 S Roundtree St, Olathe, KS last sold on Jan 13, 2026 for $4,389,000, according to the county's recorded deed.

What schools serve 11640 S Roundtree St, Olathe, KS?

11640 S Roundtree St, Olathe, KS is assigned to Summit Trail Middle School (middle), rated B-; Millbrooke Elementary School (elementary), rated C; Olathe Northwest High School (high), rated A+. All sit in Olathe Unified School District 233. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 11640 S Roundtree St, Olathe, KS?

The 2025 property tax bill for 11640 S Roundtree St, Olathe, KS was $3,002. The county assessed it at $26,112.

More homes on S Roundtree St

Closest homes

More homes in Olathe 66061

Assigned schools

Explore the area

See this home in context

Open 11640 S Roundtree St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map