21510 W 121st St, Olathe, KS 66061 Property Records

Johnson County property record for 21510 W 121st St, Olathe, KS 66061

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,436 sqft · built 1999
Lot Size	0.258 acres (11,250 sqft)
Owner	2 Individual Names on File
Last Sale	$430,460 (Dec 2025)
Tax Bill	$4,712 (2025)
Deeds & Mortgages	Dec 2025 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`DP73850000-0188`

Property Details

APN / Parcel Number

Primary APN	`DP73850000-0188`
Alternative APNs	`0460952201008001000` `R37626`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,436 sqft Living Area
Gross Area	3,575 sqft
1st Floor Area	1,786 sqft
Basement Area	1,733 sqft
Finished Basement	650 sqft
Unfinished Basement	1,083 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1999
Effective Year Built	Effective 1999
Architectural Style	Split Level
Exterior Material	Combination
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	11,250 sqft (0.258 acres)
View / Lot	Neighborhood / Spot
Parking Spaces	3 Parking Spaces

Exterior Amenities

Porch	Covered Slab
Porch Area	176 sqft
Deck Area	Deck Area
Patio Area	240 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Connected

Location & Zoning

Account Number	R37626
Street Address	21510 W 121ST ST
City	OLATHE
State	KS
Zip	66061-5622
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-1
Legal Description	THE ESTATES OF PRAIRIE HAVEN 2ND PLAT LT 188 OLC 138 1 188
Legal Subdivision	THE ESTATES OF PRAIRIE HAVEN
Legal Lot Number	188
Jurisdiction	JOHNSON KS
Township / Civil Division	OLATHE
Census Block Group	3
Census Block	3017
Census Tract	52806

Owner

21510 W 121st St is owned and occupied by two individuals who bought it in December 2025.

Source: Johnson County records, as of May 29, 2026

Owner of Record	2 Individual Names on File
Mailing Address	21510 W 121ST ST, OLATHE, KS 66061-5622
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 11, 2025 · Amount on File
Deed Sale	Dec 11, 2025 · Amount on File
Prior Sale	Jun 7, 2004 · Amount on File
Deed Document Number	20254105
Deed Book / Page	202512 / 4105
Record Updated	Sep 20, 2026

December 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	JOHNSON KS
Recording Date	Dec 11, 2025
Property Address	21510 W 121ST ST, OLATHE, KS 66061-5622
Document Number	202512/4105
Book / Page	202512 / 4105
Instrument Date	Dec 9, 2025
Transaction Type	Transfer
Record Updated	Dec 30, 2025
Title Company	CLEAR TITLE, CLEAR TITLE NATIONWIDE INC

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship

Mortgage

Document Number	2025125247
Date	Dec 11, 2025
Instrument	202512/5247

Lender

Name	BUILDERS CHOICE MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2056

Tax Assessment & Valuation

The 2025 property tax bill for 21510 W 121st St was $4,712, up 6.2% from the year before.

Source: Johnson County assessment roll, as of May 29, 2026

Property Jurisdictions

Type	Name
State	Kansas
County	Johnson County
Municipality	Olathe City
Unified School District	Olathe Unified School District 233 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$4,712.00 (+6.17%)	$42,492 (+7.32%) Land $8,610 Building $33,882	$369,500 (+7.32%) Land $74,870 Building $294,630
2024	$4,438.00 (+1.98%)	$39,594 (+4.14%) Land $8,610 Building $30,984	$344,300 (+4.14%) Land $74,870 Building $269,430
2023	$4,352.00 (+17.75%)	$38,019 (+20.75%) Land $7,829 Building $30,190	$330,600 (+20.75%) Land $68,080 Building $262,520
2022	$3,696.00	$31,487 Land $6,522 Building $24,965	$273,800 Land $56,710 Building $217,090

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 21510 W 121st St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 5, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 21510 W 121st St is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 97% of the US · lower than 92% of Kansas
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	WATER DISTRICT 1 OF JOHNSON CO serves 490,000 people · EPA ID KS2009110
Water Source	Surface water
Last State Inspection	Oct 2025
Lead	7 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 478 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Google Fiber Fiber	8,000 / 8,000
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Everfast Fiber Fiber	1,000 / 1,000
Verizon Fixed Wireless	300 / 20