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

St. Charles County property record for 547 Duke William Ct, O Fallon, MO 63366

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,481 sqft · built 2001
Lot Size	0.24 acres (10,454 sqft)
Owner	Individual Name on File
Last Sale	$180,300 (Aug 2005)
Deeds & Mortgages	May 2018 Mortgage Jun 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`T010300145`

Property Details

APN / Parcel Number

Primary APN	`T010300145`
Alternative APN	`2-0051-8487-00-0025.0000000`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,481 sqft Living Area
Gross Area	3,342 sqft
1st Floor Area	1,481 sqft
Basement Area	1,481 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	10,454 sqft (0.24 acres)
Garage Type	Attached
Garage Area	380 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	44 sqft
Patio Area	100 sqft

Utilities, Heating & Cooling

Heating Fuel	Solar
Sewer	Connected

Location & Zoning

Account Number	T010300145
Street Address	547 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 25
Legal Subdivision	KINGS CROSSING #2
Legal Lot Number	25
Jurisdiction	ST CHARLES MO
Township / Civil Division	O'FALLON
Census Block Group	5
Census Block	5009
Census Tract	311602

Owner

547 Duke William Ct is owned and occupied by an individual who bought it in August 2005.

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

Owner of Record	Individual Name on File
Mailing Address	547 DUKE WILLIAM CT, O FALLON, MO 63366-7920
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

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 9, 2018	Deed of Trust, Mortgage · ARM BOFI FEDERAL BANK
Jun 8, 2020	Deed of Trust, Mortgage · Conventional Mortgage NATIONAL BANK OF KANSAS CITY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 15, 2005 · Amount on File
Deed Sale	Aug 15, 2005 · Amount on File
Prior Sale	Oct 26, 2004 · Amount on File
Deed Document Number	2005755160
Deed Book / Page	4260 / 572
Record Updated	Oct 29, 2026

May 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ST CHARLES MO
Property Address	547 DUKE WILLIAM CT, O FALLON, MO 63366-7920
Transaction Type	Mortgage
Record Updated	May 11, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000256830
Date	May 9, 2018
Book Page	6916/2041
Instrument	20180509000256830

Lender

Name	BOFI FEDERAL BANK
Type	Bank
Address	SAN DIEGO, CA 92122

Agreement

Type	ARM
Amount	Amount on Record
Term	360 Months
Due	May 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	4.37%
Type Change Date	May 1, 2025
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	9.37%
Index	1-Year LIBOR
Max Rate	9.37%

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ST CHARLES MO
Property Address	547 DUKE WILLIAM CT, O FALLON, MO 63366-7920
Transaction Type	Mortgage
Record Updated	May 11, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000381000
Date	Jun 8, 2020
Book Page	7314/1612
Instrument	20200608000381000

Lender

Name	NATIONAL BANK OF KANSAS CITY
Type	Bank
Address	KANSAS CITY, MO 64114

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 1, 2050

Tax Assessment & Valuation

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	Assessed Value	Assessed Market Value
2026	$56,905	$299,499 Land $60,000 Building $239,499
2023	$52,319
2022		$275,363 Land $50,000 Building $225,363

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 547 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 547 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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