510 Topaz Dr, O Fallon, MO 63366 Property Records

St. Charles County property record for 510 Topaz Dr, O Fallon, MO 63366

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,882 sqft · built 1998
Lot Size0.2 acres (8,712 sqft)
Owner2 Individual Names on File
Last Sale$151,900 (Jun 2013)
Tax Bill$4,035 (2025)
Deeds & MortgagesJun 2017 Mortgage
Jan 2018 Line of Credit
+ 2 more
Flood ZoneZone X (minimal risk)
APNT990300250

Property Details

APN / Parcel Number

Primary APNT990300250
Alternative APN
  • 2-0051-8062-00-0057.0000000

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area1,882 sqft Living Area
Gross Area3,192 sqft
1st Floor Area1,108 sqft
Basement Area810 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1998
Effective Year BuiltEffective 1998
Architectural StyleBi-Level
Exterior MaterialAluminum/Vinyl
Lot Area8,712 sqft (0.2 acres)
TerrainRolling
Garage TypeAttached
Garage Area500 sqft
Parking Spaces2 Parking Spaces

Exterior Amenities

PorchOpen Porch
Porch Area150 sqft
Deck AreaDeck Area
Patio Area344 sqft

Utilities, Heating & Cooling

Heating FuelGas
SewerConnected

Location & Zoning

Account NumberT990300250
Street Address510 TOPAZ DR
CityO FALLON
StateMO
Zip63366-7901
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionDIAMOND POINTE #3 LOT 57
Legal SubdivisionDIAMOND PT #3
Legal Lot Number57
JurisdictionST CHARLES MO
Township / Civil DivisionO'FALLON
Census Block Group4
Census Block4004
Census Tract311602

Owner

510 Topaz Dr is owned and occupied by two individuals who bought it in June 2013.

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

Owner of Record2 Individual Names on File
Mailing Address510 TOPAZ DR, O FALLON, MO 63366-7901
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

DateDocument
Jun 9, 2017Deed of Trust, Mortgage · Conventional Mortgage
NATIONAL BANK OF KANSAS CITY
Jan 4, 2018Deed of Trust, Mortgage · Line of Credit
VANTAGE CU
Sep 23, 2019Deed of Trust, Mortgage · Conventional Mortgage
IBERIABANK
Mar 5, 2021Deed of Trust, Mortgage · Conventional Mortgage
FIRST HORIZON BANK

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 28, 2013 · Amount on File
Deed SaleJun 28, 2013 · Amount on File
Prior SaleNov 12, 2009 · Amount on File
Deed Document Number2013509620
Deed Book / Page6046 / 1842
Prior Transfer DateJun 19, 2013
Prior Transfer Doc0000509620
Record UpdatedOct 29, 2026

June 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionST CHARLES MO
Property Address510 TOPAZ DR, O FALLON, MO 63366-7901
Transaction TypeMortgage
Record UpdatedOct 4, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000354280
DateJun 9, 2017
Book Page6757/0319
Instrument20170609000354280
Lender
NameNATIONAL BANK OF KANSAS CITY
TypeBank
AddressKANSAS CITY, MO 64114
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueJul 1, 2047

January 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionST CHARLES MO
Property Address510 TOPAZ DR, O FALLON, MO 63366-7901
Transaction TypeMortgage
Record UpdatedOct 4, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000006630
DateJan 4, 2018
Book Page6862/1837
Instrument20180104000006630
Lender
NameVANTAGE CU
TypeCredit Union
AddressBRIDGETON, MO 63044
Agreement
TypeLine of Credit
AmountAmount on Record
Term299 Months
DueDec 6, 2042
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

September 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionST CHARLES MO
Property Address510 TOPAZ DR, O FALLON, MO 63366-7901
Transaction TypeMortgage
Record UpdatedOct 4, 2022
Title CompanyTITLE PARTNERS AGENCY LLC

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000519810
DateSep 23, 2019
Book Page7147/0123
Instrument20190923000519810
Lender
NameIBERIABANK
TypeBank
AddressLAFAYETTE, LA 70501
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term241 Months
DueOct 1, 2039

March 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionST CHARLES MO
Property Address510 TOPAZ DR, O FALLON, MO 63366-7901
Transaction TypeMortgage
Record UpdatedOct 4, 2022
Title CompanyTITLE PARTNER AGENCY LLC

Transferred To (Grantee/Buyer)

NameVerified Name
Address510 TOPAZ DR, O FALLON, MO 63366-7901

Mortgage

Document Number0000019446
DateMar 5, 2021
Instrument2021R-019446
Lender
NameFIRST HORIZON BANK
TypeBank
AddressMEMPHIS, TN 38103
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term181 Months
DueApr 1, 2036

Tax Assessment & Valuation

The 2025 property tax bill for 510 Topaz Dr was $4,035.

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

Property Jurisdictions

TypeName
StateMissouri
CountySt. Charles County
MunicipalityO'Fallon City
Unified School DistrictFort Zumwalt R-II School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$62,825 (-)$330,658 (-) Land $60,000 Building $270,658
2025$4,035.00$62,825$330,658 Land $60,000 Building $270,658
2023$56,678
2022$298,307 Land $50,000 Building $248,307

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 510 Topaz Dr 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 510 Topaz Dr 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 RiskLow
lower than 99.1% of the US · lower than 98.2% of Missouri
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
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 SystemOFALLON PWS
serves 32,515 people · EPA ID MO6010588
Water SourcePurchased surface water from several systems
Last State InspectionAug 2024
Lead2 ppb (2023–2025)
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 280 locations within half a mile, as of December 31, 2025

ProviderMax 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.

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