3509 Post Valley Dr, O Fallon, MO 63368 Property Records

St. Charles County property record for 3509 Post Valley Dr, O Fallon, MO 63368

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,800 sqft · built 1997
Lot Size	0.24 acres (10,454 sqft)
Owner	2 Individual Names on Record
Last Sale	$328,100 (Apr 2020)
Tax Bill	$5,828 (2025)
Deeds & Mortgages	Jan 2021 Transfer Apr 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`A984000613`

Property Details

APN / Parcel Number

Primary APN	`A984000613`
Alternative APN	`4-0036-7885-00-0156.0000000`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,800 sqft Living Area
Gross Area	4,793 sqft
1st Floor Area	1,617 sqft
Basement Area	1,593 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1997
Effective Year Built	Effective 1997
Architectural Style	Bi-Level
Exterior Material	Brick/Stone
Lot Area	10,454 sqft (0.24 acres)
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	83 sqft
Patio Area	100 sqft

Utilities, Heating & Cooling

Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Account Number	A984000613
Street Address	3509 POST VALLEY DR
City	O FALLON
State	MO
Zip	63368-7063
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	POST MEADOWS #1 LOT 156
Legal Subdivision	POST MEADOWS
Legal Lot Number	156
Jurisdiction	ST CHARLES MO
Township / Civil Division	BOONE
Census Block Group	1
Census Block	1024
Census Tract	311153

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	2 Individual Names on Record
Mailing Address	3509 POST VALLEY DR, O FALLON, MO 63368-7063
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 12, 2021	Quit Claim Deed, Transfer NOT AVAILABLE
Apr 20, 2020	Quit Claim Deed, Transfer ENDEAVOR CAP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 20, 2020 · Amount on Record
Deed Sale	Apr 20, 2020 · Amount on Record
Prior Sale	Aug 26, 2015 · Amount on Record
Deed Document Number	2020245870
Deed Book / Page	7274 / 442
Last Transfer Date	Jan 5, 2021
Transfer Doc	0000003370
Record Updated	Oct 29, 2026

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ST CHARLES MO
Recording Date	Jan 12, 2021
Property Address	3509 POST VALLEY DR, O FALLON, MO 63368-7063
Document Number	0000003370
Instrument Date	Jan 5, 2021
Instrument	3370
Transaction Type	Transfer
Record Updated	Mar 25, 2021
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3509 POST VALLEY DR O FALLON MO 633687063, O FALLON, MO 63368-7063

April 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ST CHARLES MO
Recording Date	Apr 20, 2020
Property Address	3509 POST VALLEY DR, O FALLON, MO 63368-7063
Document Number	0072740442
Book / Page	007274 / 000442
Instrument Date	Apr 15, 2020
Instrument	245870
Transaction Type	Transfer
Record Updated	Jul 7, 2020
Title Company	BL TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	3509 POST VALLEY DR O FALLON MO 633687063, O FALLON, MO 63368-7063

Mortgage

Document Number	72740444
Date	Apr 20, 2020
Book Page	007274/000444
Instrument	245880

Lender

Name	ENDEAVOR CAP
Type	Funding / Finance Company
Address	CHESTERFIELD, MO 63017

Agreement

Amount	Amount Recorded
Term	240 Months
Due	Apr 19, 2040

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	Wentzville R-IV School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$87,836 (-)	$462,294 (-) Building $462,294
2025	$5,828.00 (-4.8%)	$87,836 (-2.06%)	$462,294 (-2.06%) Building $462,294
2024	$6,122.00
2023		$89,680
2022			$471,999 Land $50,000 Building $421,999

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	2 (2006–2008)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Sep 2008 · Severe Storms, Flooding, And A Tornado

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

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

Wildfire Risk	Low lower than 80% of the US · lower than 84% of Missouri
Wildfire Likelihood	0.02% annual chance
Exposure	Direct 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 System	ST CHARLES COUNTY PWSD 2 serves 100,587 people · EPA ID MO6024530
Water Source	Purchased surface water from ST LOUIS CITY PWS
Last State Inspection	Aug 2023
Lead	2 ppb (2026) 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 236 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
i3 Broadband Fiber	8,000 / 8,000
Spectrum Cable	1,000 / 1,000
Wisper ISP Fixed Wireless	400 / 30
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Gateway Fiber.

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