400 Katy Ln, Saint Charles, MO 63303 Property Records

St. Charles County property record for 400 Katy Ln, Saint Charles, MO 63303

Property Summary

Property TypeSingle Family Home
Details3 bd · 3 ba · 2,835 sqft · built 1997
Lot Size0.25 acres (10,890 sqft)
Owner2 Individual Names on File
Last Sale$395,000 (Apr 2022)
Deeds & MortgagesSep 2023 Mortgage
Apr 2022 Sale
Flood ZoneZone X (minimal risk)
APNA953000679

Property Details

APN / Parcel Number

Primary APNA953000679
Alternative APN
  • 3-0119-7090-00-0038.0000000

Interior

Bedrooms3 Beds
Full Baths3 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area2,835 sqft Living Area
Gross Area4,012 sqft
1st Floor Area1,680 sqft
Basement Area1,650 sqft
Finished Basement1,155 sqft
Unfinished Basement495 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1997
Effective Year BuiltEffective 1997
Architectural StyleRanch
Exterior MaterialBrick/Stone
Lot Area10,890 sqft (0.25 acres)
Garage TypeAttached
Garage Area682 sqft
Parking Spaces3 Parking Spaces
PorchOpen Porch
Porch Area85 sqft
Patio Area100 sqft

Utilities, Heating & Cooling

Heating FuelGas
SewerConnected

Location & Zoning

Account NumberA953000679
Street Address400 KATY LN
CitySAINT CHARLES
StateMO
Zip63303-6278
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionHUNTLEIGH MEADOWS #1 LOT 38
Legal SubdivisionHUNTLEIGH MEADOWS #1
Legal Lot Number38
JurisdictionST CHARLES MO
Township / Civil DivisionFRONTIER
Census Block Group3
Census Block3005
Census Tract311145

Owner

400 Katy Ln is owned and occupied by two individuals who bought it in April 2022.

Source: St. Charles County records, as of September 10, 2026

Owner of Record2 Individual Names on File
Mailing Address400 KATY LN, SAINT CHARLES, MO 63303-6278
OccupancyOwner Occupied
Owner TypeIndividual

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

DateDocument
Sep 20, 2023Deed of Trust, Mortgage · Conventional Mortgage
WEST COMMUNITY CU
Apr 1, 2022Warranty Deed, Transfer
SYNERGY TITLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 1, 2022 · Amount on File
Deed SaleApr 1, 2022 · Amount on File
Prior SaleJun 23, 1997
Deed Document Number202218710
Prior Transfer DateOct 16, 1997
Prior Transfer Doc0000059477
Record UpdatedOct 29, 2026

September 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionST CHARLES MO
Property Address400 KATY LN, SAINT CHARLES, MO 63303-6278
Transaction TypeMortgage
Record UpdatedJan 17, 2024

Transferred To (Grantee/Buyer)

NameVerified Name
Address400 KATY LN, SAINT CHARLES, MO 63303-6278

Mortgage

Document Number0000038719
DateSep 20, 2023
Instrument2023R-038719
Lender
NameWEST COMMUNITY CU
TypeCredit Union
AddressO FALLON, MO 63368
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueOct 1, 2053

April 2022: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionST CHARLES MO
Recording DateApr 1, 2022
Property Address400 KATY LN, SAINT CHARLES, MO 63303-6278
Document Number0000018710
Map ReferenceMB 31 PG 371
Instrument DateMar 30, 2022
Instrument2022R-018710
Transaction TypeTransfer
Record UpdatedJan 17, 2024
Title CompanySYNERGY TITLE

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address400 KATY LN, SAINT CHARLES, MO 63303-6278

Tax Assessment & Valuation

Source: St. Charles County assessment roll, as of August 7, 2026

Property Jurisdictions

TypeName
StateMissouri
CountySt. Charles County
Unified School DistrictFrancis Howell R-III School District (PK - 12)

Tax Bill & Assessment History

YearAssessed ValueAssessed Market Value
2026$83,277$438,298 Land $88,000 Building $350,298
2023$68,101
2022$358,429 Land $66,000 Building $292,429

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 400 Katy Ln in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective August 25, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies1 in force
Nearby Flood Claims46 (1978–2024)
Claims Outside the SFHA28 of 46
Most Recent ClaimJul 2024 · rainfall accumulation
Claims by Event
  • Flooding, Jun 2011 · 2 claims
  • Severe Storms, Tornadoes, Flooding, Apr 1994 · 2 claims
  • Severe Storms & Flooding, Aug 1993 · 13 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 400 Katy Ln is low, with a 0.02% annual chance of wildfire.

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

Wildfire RiskLow
lower than 94% of the US · lower than 92% of Missouri
Wildfire Likelihood0.02% annual chance
ExposureDirect
burnable vegetation

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 SystemMO AMERICAN ST LOUIS ST CHARLES COUNTIES
private · serves 1,111,000 people · EPA ID MO6010716
Water SourceSurface water
Last State InspectionFeb 2024
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 294 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable
1,000 / 1,000
AT&T
Fixed Wireless · DSL · Fiber in parts of the area
100 / 20
T-Mobile
Fixed Wireless
100 / 20

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