535 Duke William Ct, O Fallon, MO 63366 Property Records

St. Charles County property record for 535 Duke William Ct, O Fallon, MO 63366

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,604 sqft · built 2001
Lot Size	0.31 acres (13,504 sqft)
Owner	2 Trust Names on File
Last Sale	$1,948,000 (Oct 2025)
Tax Bill	$4,180 (2025)
Deeds & Mortgages	May 2026 Sale Oct 2025 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`T010300144`

Property Details

APN / Parcel Number

Primary APN	`T010300144`
Alternative APN	`2-0051-8487-00-0024.0000000`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Half Baths	2 Half Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	2,604 sqft Living Area
Gross Area	3,905 sqft
1st Floor Area	1,745 sqft
Basement Area	1,719 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Architectural Style	Ranch
Exterior Material	Brick/Stone
Lot Area	13,504 sqft (0.31 acres)
Garage Type	Attached
Garage Area	441 sqft
Parking Spaces	2 Parking Spaces
Porch	Slab
Porch Area	35 sqft

Utilities, Heating & Cooling

Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Account Number	T010300144
Street Address	535 DUKE WILLIAM CT
City	O FALLON
State	MO
Zip	63366-7920
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	KINGS CROSSING #2 LOT 24
Legal Subdivision	KINGS CROSSING #2
Legal Lot Number	24
Jurisdiction	ST CHARLES MO
Township / Civil Division	O'FALLON
Census Block Group	5
Census Block	5009
Census Tract	311602

Owner

535 Duke William Ct is owner-occupied and held in a trust since October 2025.

Source: St. Charles County records, as of September 14, 2026

Owner of Record	2 Trust Names on File
Mailing Address	535 DUKE WILLIAM CT, O FALLON, MO 63366-7920
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Date	Document
May 1, 2026	Special Warranty Deed, Transfer NONE LISTED ON DOCUMENT
Oct 14, 2025	Beneficiary Deed, Transfer
Jan 22, 2021	Deed of Trust, Mortgage FRONTIER MTG
Aug 1, 2017	Loan Modification, Mortgage DITECH FIN'L

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 14, 2025 · Amount on File
Deed Sale	Oct 14, 2025 · Amount on File
Prior Sale	May 30, 2019 · Amount on File
Deed Document Number	202545460
Prior Transfer Date	Oct 10, 2025
Prior Transfer Doc	0000045460
Record Updated	Oct 29, 2026

May 2026: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	ST CHARLES MO
Recording Date	May 1, 2026
Property Address	535 DUKE WILLIAM CT, O FALLON, MO 63366-7920
Document Number	0000020188
Instrument Date	Apr 30, 2026
Instrument	202620188
Transaction Type	Transfer
Record Updated	Aug 28, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	535 DUKE WILLIAM CT, O FALLON, MO 63366-7920

October 2025: Beneficiary Deed, Transfer

Document Type	Beneficiary Deed
Jurisdiction	ST CHARLES MO
Recording Date	Oct 14, 2025
Property Address	535 DUKE WILLIAM CT, O FALLON, MO 63366-7920
Document Number	0000045460
Map Reference	MB 37 PG 14
Instrument Date	Oct 10, 2025
Instrument	2025R-045460
Transaction Type	Transfer
Record Updated	May 21, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	535 DUKE WILLIAM CT, O FALLON, MO 63366-7920

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	535 DUKE WILLIAM CT, O FALLON, MO 63366-7920

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ST CHARLES MO
Property Address	535 DUKE WILLIAM CT, O FALLON, MO 63366-7920
Document Number	0000008168
Instrument Date	Jan 22, 2021
Transaction Type	Mortgage
Record Updated	Apr 5, 2021
Title Company	STATE LOUIS COMPANY TITLE (SLCTC), STL

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	535 DUKE WILLIAM CT O FALLON MO 633667920, O FALLON, MO 63366-7920

Mortgage

Document Number	0000008168
Date	Jan 27, 2021
Instrument	8168

Lender

Name	FRONTIER MTG
Type	Mortgage Company
Address	CHESTERFIELD, MO 63005

Agreement

Amount	Amount on Record
Term	180 Months
Due	Jan 26, 2036

August 2017: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	ST CHARLES MO
Property Address	535 DUKE WILLIAM CT, O FALLON, MO 63366-7920
Document Number	0067971667
Book / Page	006797 / 001667
Instrument Date	Aug 1, 2017
Transaction Type	Mortgage
Record Updated	Sep 1, 2017

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	535 DUKE WILLIAM CT O FALLON MO 633667920, O FALLON, MO 63366-7920

Mortgage

Document Number	0067971667
Date	Aug 28, 2017
Book Page	006797/001667
Instrument	538210

Lender

Name	DITECH FIN'L
Address	TEMPE, AZ 85284

Agreement

Amount	Amount on Record
Term	360 Months
Due	Aug 27, 2047

Interest

Rate Type	Fixed Rate
Rate	4.37%

Tax Assessment & Valuation

The 2025 property tax bill for 535 Duke William Ct was $4,180, up 11.4% from the year before.

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

Property Jurisdictions

Type	Name
State	Missouri
County	St. Charles County
Municipality	O'Fallon City
Unified School District	Fort Zumwalt R-II School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$65,103 (-)	$342,648 (-) Land $60,000 Building $282,648
2025	$4,180.00 (+11.38%)	$65,103	$342,648 Land $60,000 Building $282,648
2024	$3,753.00
2023		$56,706
2022			$298,452 Land $50,000 Building $248,452

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 535 Duke William Ct in Zone X, an area of minimal flood risk.

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	5 in force

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 535 Duke William Ct 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 95% of the US · lower than 93% of Missouri
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	OFALLON PWS serves 32,515 people · EPA ID MO6010588
Water Source	Purchased surface water from several systems
Last State Inspection	Aug 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 527 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Gateway Fiber Fiber	2,000 / 2,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Wisper ISP.

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