1544 Mammoth Dr, O Fallon, MO 63366 Property Records

St. Charles County property record for 1544 Mammoth Dr, O Fallon, MO 63366

Property Summary

Property Type	Single Family Home
Details	3 bd · 4 ba · 3,366 sqft · built 2000
Lot Size	3 acres (130,680 sqft)
Owner	2 Individual Names on Record
Last Sale	$800,000 (Aug 2023)
Tax Bill	$9,742 (2025)
Deeds & Mortgages	Aug 2023 Mortgage Nov 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`A982000754`

Property Details

APN / Parcel Number

Primary APN	`A982000754`
Alternative APN	`2-0043-7743-00-0058.0000000`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	5,080 sqft Living Area
Gross Area	7,584 sqft
1st Floor Area	3,366 sqft
Basement Area	2,448 sqft
Finished Basement	1,714 sqft
Unfinished Basement	734 sqft

Exterior

Year Built	Built 2000
Effective Year Built	Effective 2000
Architectural Style	Ranch
Exterior Material	Brick
Lot Area	130,680 sqft
Garage Type	Attached
Garage Area	1,770 sqft
Parking Spaces	5 Parking Spaces
Porch	Open Porch
Porch Area	824 sqft

Location & Zoning

Account Number	A982000754
Street Address	1544 MAMMOTH DR
City	O FALLON
State	MO
Zip	63366-4800
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	AA1
Legal Description	SUMMIT EST LOT 58
Legal Subdivision	SUMMIT EST
Legal Lot Number	58
Jurisdiction	ST CHARLES MO
Township / Civil Division	WENTZVILLE
Census Block Group	2
Census Block	2000
Census Tract	312095

Owner

Source: St. Charles County records, as of September 10, 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	1544 MAMMOTH DR, O FALLON, MO 63366-4800
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 22, 2023	Warranty Deed, Transfer · Conventional Mortgage USAA FSB
Nov 13, 2020	Warranty Deed, Transfer · Conventional Mortgage GUILD MORTGAGE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 22, 2023 · Amount on Record
Deed Sale	Aug 22, 2023 · Amount on Record
Prior Sale	Nov 13, 2020 · Amount on Record
Deed Document Number	202333822
Record Updated	Oct 29, 2026

August 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ST CHARLES MO
Recording Date	Aug 22, 2023
Property Address	1544 MAMMOTH DR, O FALLON, MO 63366-4800
Document Number	0000033822
Map Reference	MB 34 PG 118-121
Instrument Date	Aug 17, 2023
Instrument	2023R-033822
Transaction Type	Transfer
Record Updated	Jan 17, 2024
Title Company	TITLE PARTNERS AGENCY LLC

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	3120 DYER RD, SAINT PAUL, MO 63366-5141

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1544 MAMMOTH DR, O FALLON, MO 63366-4800

Mortgage

Document Number	0000033823
Date	Aug 22, 2023
Instrument	2023R-033823

Lender

Name	USAA FSB
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Sep 1, 2043

November 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ST CHARLES MO
Recording Date	Nov 13, 2020
Property Address	1544 MAMMOTH DR, O FALLON, MO 63366-4800
Document Number	0000088369
Map Reference	MB 34 PG 118-121
Instrument Date	Nov 5, 2020
Instrument	2020R-088369
Transaction Type	Transfer
Record Updated	Aug 16, 2022
Title Company	TITLE PARTNERS AGENCY LLC

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1544 MAMMOTH DR, O FALLON, MO 63366-4800

Mortgage

Document Number	0000088370
Date	Nov 13, 2020
Instrument	2020R-088370

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 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	St. Paul 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		$159,802 (-)	$841,061 (-) Land $135,000 Building $706,061
2025	$9,742.00	$159,802 (+10.57%)	$841,061 (+10.57%) Land $135,000 Building $706,061
2023		$144,525
2022			$760,659 Land $135,000 Building $625,659

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
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	2 (2019–2022)
Most Recent Claim	Jul 2022 · Severe Storms And Flooding

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 64% of the US · lower than 72% of Missouri
Wildfire Likelihood	0.04% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 PAUL PWS serves 1,700 people · EPA ID MO6011535
Water Source	Groundwater
Last State Inspection	Aug 2024
Lead	Under 1 ppb (2022–2024) 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 50 locations within half a mile, as of December 31, 2025

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

May also be available: Wisper ISP.

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