7121 Weldon Spring Rd, Dardenne Prairie (O Fallon), MO 63368 Property Records

St. Charles County property record for 7121 Weldon Spring Rd, Dardenne Prairie, MO 63368

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,931 sqft · built 1967
Lot Size3.56 acres (155,074 sqft)
Owner2 Individual Names on File
Tax Bill$3,672 (2025)
Deeds & MortgagesAug 2026 Transfer
Flood ZoneZone X (minimal risk)
APN588510A000

Property Details

APN / Parcel Number

Primary APN588510A000
Alternative APN
  • 3-157D-1669-00-0026.6000000

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories1 Story
Building Area1,931 sqft Living Area
Gross Area4,366 sqft
1st Floor Area1,931 sqft
Basement Area1,931 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1967
Effective Year BuiltEffective 1967
Architectural StyleRanch
Exterior MaterialBrick/Stone
Roof TypeGable
Roof MaterialAsphalt
Lot Area155,074 sqft
TerrainRolling
Garage TypeAttached
Garage Area504 sqft
Parking Spaces2 Parking Spaces

Exterior Amenities

PorchOpen Porch
Porch Area373 sqft
Deck AreaDeck Area
Patio Area115 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account Number588510A000
Street Address7121 WELDON SPRING RD
CityO FALLON
StateMO
Zip63368-8688
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeAF0
Legal DescriptionPT SUR 1669 COALTERS OLD DARDENNE TRT
Legal SubdivisionJOHN D COALTERS OLD DARDENNE
Legal Lot Number26
JurisdictionST CHARLES MO
Township / Civil DivisionWELDON SPRING
Census Block Group4
Census Block4012
Census Tract311151

Owner

7121 Weldon Spring Rd is owned and occupied by two individuals who acquired it in April 2015.

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

Owner of Record2 Individual Names on File
Mailing Address7121 WELDON SPRING RD, O FALLON, MO 63368-8688
OccupancyOwner Occupied
Owner TypeIndividual

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

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateApr 21, 2015
Transfer Doc0000379940
Record UpdatedOct 29, 2026

August 2026: Transfer on Death Deed, Transfer

Document TypeTransfer on Death Deed
JurisdictionST CHARLES MO
Recording DateAug 25, 2026
Property Address7121 WELDON SPRING RD, O FALLON, MO 63368-8688
Document Number0000040602
Instrument DateAug 24, 2026
Instrument202640602
Transaction TypeTransfer
Record UpdatedSep 9, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address320 RUTH ANN DR, O FALLON, MO 63368-8020

Tax Assessment & Valuation

The 2025 property tax bill for 7121 Weldon Spring Rd was $3,672.

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

Property Jurisdictions

TypeName
StateMissouri
MunicipalityDardenne Prairie City
CountySt. Charles County
Unified School DistrictFrancis Howell R-III School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$61,479 (-)$323,574 (-) Land $117,480 Building $206,094
2025$3,672.00$61,479$323,574 Land $117,480 Building $206,094
2023$58,281
2022$306,737 Land $106,800 Building $199,937

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 7121 Weldon Spring Rd in Zone X, an area of minimal flood risk.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 7121 Weldon Spring Rd is low, with a 0.03% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 84% of Missouri
Wildfire Likelihood0.03% annual chance
ExposureDirect
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 SystemST CHARLES COUNTY PWSD 2
serves 100,587 people · EPA ID MO6024530
Water SourcePurchased surface water from ST LOUIS CITY PWS
Last State InspectionAug 2023
Lead2 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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 205 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
i3 Broadband
Fiber
8,000 / 8,000
AT&T
Fiber
5,000 / 5,000
Gateway Fiber
Fiber
2,000 / 2,000
Spectrum
Cable
1,000 / 1,000
T-Mobile
Fixed Wireless
100 / 20

May also be available: Verizon, Wisper ISP.

Nearby Properties on Weldon Spring Rd

Nearby Streets

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