3 Onyx Ct, O Fallon, MO 63366 Property Records

St. Charles County property record for 3 Onyx Ct, O Fallon, MO 63366

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,550 sqft · built 2000
Lot Size	0.19 acres (8,276 sqft)
Owner	Individual Name on Record
Last Sale	$250,000 (Oct 2020)
Deeds & Mortgages	Jul 2026 Line of Credit Oct 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`T990300235`

Property Details

APN / Parcel Number

Primary APN	`T990300235`
Alternative APN	`2-0051-8062-00-0042.0000000`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,550 sqft Living Area
Gross Area	3,564 sqft
1st Floor Area	1,550 sqft
Basement Area	1,514 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2000
Effective Year Built	Effective 2000
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Lot Area	8,276 sqft (0.19 acres)
Terrain	Rolling
Garage Type	Attached
Garage Area	500 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Open Porch
Porch Area	135 sqft
Deck Area	Deck Area
Patio Area	288 sqft

Utilities, Heating & Cooling

Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Account Number	T990300235
Street Address	3 ONYX CT
City	O FALLON
State	MO
Zip	63366-1813
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	DIAMOND POINTE #3 LOT 42
Legal Subdivision	DIAMOND PT #3
Legal Lot Number	42
Jurisdiction	ST CHARLES MO
Township / Civil Division	O'FALLON
Census Block Group	4
Census Block	4004
Census Tract	311602

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	3 ONYX CT, O FALLON, MO 63366-1813
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 21, 2026	Deed of Trust, Mortgage · Line of Credit COMMUNITYAMERICA CREDIT UNION
Oct 28, 2020	Warranty Deed, Transfer · VA Mortgage PARAMOUNT BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 28, 2020 · Amount on Record
Deed Sale	Oct 28, 2020 · Amount on Record
Prior Sale	Oct 28, 2020 · Amount on Record
Deed Document Number	202082440
Record Updated	Oct 29, 2026

July 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ST CHARLES MO
Recording Date	Jul 21, 2026
Property Address	3 ONYX CT, O FALLON, MO 63366-1813
Document Number	0000034218
Instrument Date	Jul 15, 2026
Instrument	202634218
Transaction Type	Mortgage
Record Updated	Aug 3, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3 ONYX CT, O FALLON, MO 63366-1813

Mortgage

Document Number	0000034218,
Date	Jul 21, 2026
Instrument	202634218

Lender

Name	COMMUNITYAMERICA CREDIT UNION

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Jul 15, 2051

Interest

Rate	6.47%
Max Rate	-1%

October 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ST CHARLES MO
Recording Date	Oct 28, 2020
Property Address	3 ONYX CT, O FALLON, MO 63366-1813
Document Number	0000082440
Map Reference	MB 35 PG 189
Instrument Date	Oct 8, 2020
Instrument	2020R-082440
Transaction Type	Transfer
Record Updated	Oct 4, 2022
Title Company	UST

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	341 MALLARD POINTE BLVD, 341, OLD MONROE, MO 63369-3214

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3 ONYXT CT, O FALLON, MO 63366-1813

Mortgage

Document Number	0000082441
Date	Oct 28, 2020
Instrument	2020R-082441

Lender

Name	PARAMOUNT BANK
Type	Bank

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 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	$59,277 (+8.64%)	$311,983 (+8.64%) Land $60,000 Building $251,983
2023	$54,564
2022		$287,177 Land $50,000 Building $237,177

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

Source: FEMA National Flood Hazard Layer, effective August 25, 2024

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

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

Wildfire Risk	Low lower than 99.1% of the US · lower than 98.2% 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 280 locations within half a mile, as of December 31, 2025

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

May also be available: Wisper ISP.

Nearby Properties on Onyx Ct

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures