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

St. Charles County property record for 550 Duke William Ct, O Fallon, MO 63366

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,462 sqft · built 2001
Lot Size	0.23 acres (10,019 sqft)
Owner	2 Individual Names on File
Last Sale	$177,900 (Aug 2014)
Tax Bill	$3,418 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Apr 2023 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`T010300123`

Property Details

APN / Parcel Number

Primary APN	`T010300123`
Alternative APN	`2-0140-8487-00-0003.0000000`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,462 sqft Living Area
Gross Area	3,344 sqft
1st Floor Area	1,462 sqft
Basement Area	1,462 sqft

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Architectural Style	Ranch
Exterior Material	Brick/Stone
Lot Area	10,019 sqft (0.23 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	44 sqft
Patio Area	144 sqft

Utilities, Heating & Cooling

Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Account Number	T010300123
Street Address	550 DUKE WILLIAM CT
City	O FALLON
State	MO
Zip	63366-7918
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	KINGS CROSSING #2 LOT 3
Legal Subdivision	KINGS CROSSING #2
Legal Lot Number	3
Jurisdiction	ST CHARLES MO
Township / Civil Division	O'FALLON
Census Block Group	5
Census Block	5009
Census Tract	311602

Owner

550 Duke William Ct is owned and occupied by two individuals who acquired it in March 2023.

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

Owner of Record	2 Individual Names on File
Mailing Address	550 DUKE WILLIAM CT, O FALLON, MO 63366-7918
Occupancy	Owner Occupied
Owner Type	Individual

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
Jul 6, 2021	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA
Apr 3, 2023	Beneficiary Deed, Transfer
Apr 4, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 1, 2014 · Amount on File
Deed Sale	Aug 1, 2014 · Amount on File
Prior Sale	Aug 10, 2012 · Amount on File
Deed Document Number	2014416820
Deed Book / Page	6222 / 826
Last Transfer Date	Mar 30, 2023
Transfer Doc	0000012315
Record Updated	Oct 29, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ST CHARLES MO
Property Address	550 DUKE WILLIAM CT, O FALLON, MO 63366-7918
Transaction Type	Mortgage
Record Updated	May 22, 2026
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	550 DUKE WILLIAM CT, O FALLON, MO 63366-7918

Mortgage

Document Number	0000056367
Date	Jul 6, 2021
Instrument	2021R-056367

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Jul 1, 2036

April 2023: Beneficiary Deed, Transfer

Document Type	Beneficiary Deed
Jurisdiction	ST CHARLES MO
Recording Date	Apr 3, 2023
Property Address	550 DUKE WILLIAM CT, O FALLON, MO 63366-7918
Document Number	0000012315
Map Reference	MB 37 PG 14&15
Instrument Date	Mar 30, 2023
Instrument	2023R-012315
Transaction Type	Transfer
Record Updated	May 22, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	550 DUKE WILLIAM CT, O FALLON, MO 63366-7918

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Right of Survivorship
Address	550 DUKE WILLIAM CT, O FALLON, MO 63366-7918

April 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ST CHARLES MO
Recording Date	Apr 4, 2023
Property Address	550 DUKE WILLIAM CT, O FALLON, MO 63366-7918
Document Number	0000012451
Map Reference	MB 37 PG 14&15
Instrument Date	Mar 30, 2023
Instrument	2023R-012451
Transaction Type	Transfer
Record Updated	May 22, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	550 DUKE WILLIAM CT, O FALLON, MO 63366-7918

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	550 DUKE WILLIAM CT, O FALLON, MO 63366-7918

Tax Assessment & Valuation

The 2025 property tax bill for 550 Duke William Ct was $3,418.

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		$53,112 (-)	$279,539 (-) Land $48,000 Building $231,539
2025	$3,418.00	$53,112	$279,539 Land $48,000 Building $231,539
2023		$49,028
2022			$258,042 Land $40,000 Building $218,042

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 550 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 550 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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