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186 Portmarnock Ln, Weldon Spring (Saint Charles), MO 63304 Property Records

St. Charles County property record for 186 Portmarnock Ln, Weldon Spring, MO 63304

Property Summary

Property TypeSingle Family Home
Details3 bd · 3.5 ba · 4,023 sqft · built 1989
Lot Size0.54 acres (23,522 sqft)
Owner2 Individual Names on Record
Last Sale$543,800 (Dec 2020)
Tax Bill$7,255 (2025)
Deeds & MortgagesDec 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APNA883003308

Property Details

APN / Parcel Number

Primary APNA883003308
Alternative APN
  • 3-121B-6315-00-0068.0000000

Interior

Bedrooms3 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area4,023 sqft Living Area
Gross Area5,198 sqft
1st Floor Area2,353 sqft
Basement Area2,339 sqft
Finished Basement1,670 sqft
Unfinished Basement669 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 1989
Architectural StyleRanch
Exterior MaterialBrick
Roof TypeGable
Roof MaterialAsphalt
Lot Area23,522 sqft (0.54 acres)
TerrainRolling
Garage TypeAttached
Garage Area506 sqft
Parking Spaces2 Parking Spaces
PorchOpen Porch
Porch Area186 sqft
Patio Area75 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas
SewerConnected

Location & Zoning

Account NumberA883003308
Street Address186 PORTMARNOCK LN
CityWELDON SPRING
StateMO
Zip63304-0547
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionWHITMOOR COUNTRY CLUB #1 LOT 68
Legal SubdivisionWHITMOOR COUNTRY CLUB #1
Legal Lot Number68
JurisdictionST CHARLES MO
Township / Civil DivisionCOTTLEVILLE
Census Block Group2
Census Block2000
Census Tract311103

Owner

Source: St. Charles County records, as of August 13, 2025

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

Owner of Record2 Individual Names on Record
Mailing Address186 PORTMARNOCK LN, WELDON SPRING, MO 63304-0547
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 7, 2020 · Amount on Record
Deed SaleDec 7, 2020 · Amount on Record
Prior SaleNov 9, 2015 · Amount on Record
Deed Document Number202095515
Prior Transfer DateMay 15, 2020
Prior Transfer Doc0072962220
Record UpdatedJun 8, 2026

December 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionST CHARLES MO
Recording DateDec 7, 2020
Property Address186 PORTMARNOCK LN, WELDON SPRING, MO 63304-0547
Document Number0000095515
Instrument DateNov 27, 2020
Instrument95515
Transaction TypeTransfer
Record UpdatedMar 9, 2021
Title CompanyTOUCHSTONE TITLE AND ABSTRACT, TOUCHSTONE TITLE & ABSTR

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address186 PORTMARNOCK LN WELDON SPRING MO 633040547, WELDON SPRING, MO 63304-0547

Mortgage

Document Number95516
DateDec 7, 2020
Instrument95516
Lender
NameCELEBRITY HM LNS LLC
AddressOAKBROOK TERRACE, IL 60181
Agreement
AmountAmount Recorded
Term360 Months
DueDec 6, 2050

Tax Assessment & Valuation

Source: St. Charles County assessment roll, as of August 13, 2025

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$7,255.00 (+6.66%)$122,668 (+7.36%)$645,621 (+7.36%) Land $160,000 Building $485,621
2024$6,802.00
2023$114,263
2022$601,387 Land $144,000 Building $457,387

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies3 in force
Nearby Flood Claims1 (1982)
Most Recent ClaimJun 1982 · rainfall accumulation

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 RiskLow
lower than 80% of the US · lower than 84% of Missouri
Wildfire Likelihood0.02% 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 SystemWELDON SPRING HEIGHTS VILLAGE PWS
serves 100 people · EPA ID MO6010919
Water SourceGroundwater
Last State InspectionJan 2024
Lead1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 145 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL		5,000 / 5,000
Spectrum
Cable		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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