540 Windsor Mill Dr, Ballwin, MO 63011 Property Records

St. Louis County property record for 540 Windsor Mill Dr, Ballwin, MO 63011

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,899 sqft · built 1977
Lot Size0.263 acres (11,439 sqft)
OwnerIndividual Name on File
Last Sale$378,784 (Sep 2021)
Tax Bill$4,765 (2025)
Deeds & MortgagesSep 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN22R-13-0359

Property Details

APN / Parcel Number

Primary APN22R-13-0359

Interior

Bedrooms3 Beds
Full Baths2 Baths
Plumbing Fixtures8 Plumbing Fixtures
Total Rooms7 Rooms
Stories1 Story
Building Area1,899 sqft Living Area
Gross Area2,474 sqft
1st Floor Area1,899 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1977
Effective Year BuiltEffective 1977
Architectural StyleRanch
Exterior MaterialBrick
Foundation TypeRaised
Lot Area11,439 sqft (0.263 acres)
Lot Dimensions89 ft deep x 87 ft wide
View / LotCul-De-Sac
Garage TypeAttached
Garage Area575 sqft
Parking Spaces2 Parking Spaces

Exterior Amenities

PorchOpen Frame Porch
Porch Area95 sqft
Deck Area72 sqft
Patio Area220 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemHVAC
Heating FuelElectric
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address540 WINDSOR MILL DR
CityBALLWIN
StateMO
Zip63011-3351
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code93R-2
Legal DescriptionBRUSHCREEK PLAT 1 LOT 110 22R130074 7 21 76
Legal SubdivisionBRUSHCREEK PLAT 1
Legal Lot Number110
JurisdictionST LOUIS MO
Township / Civil DivisionLAFAYETTE
Census Block Group2
Census Block2020
Census Tract217807

Owner

540 Windsor Mill Dr is owned by an individual who bought it in September 2021.

Source: St. Louis County records, as of September 29, 2026

Owner of RecordIndividual Name on File
Mailing Address643 E MADISON AVE, SAINT LOUIS, MO 63122-4552
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 NamesName on Deed
Last SaleSep 20, 2021 · Amount on File
Deed SaleSep 20, 2021 · Amount on File
Deed Document Number20211048
Deed Book / Page25118 / 761
Prior Transfer DateJul 7, 2020
Prior Transfer Doc0240830139
Record UpdatedOct 29, 2026

September 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionST LOUIS MO
Recording DateSep 20, 2021
Property Address540 WINDSOR MILL DR, BALLWIN, MO 63011-3351
Document Number0251180761
Book / Page25118 / 761
Map ReferenceMB 164 PG 83
Instrument DateSep 20, 2021
Instrument2021092001048
Transaction TypeTransfer
Record UpdatedFeb 6, 2026
Title CompanyTITLE PARTNERS AGENCY LLC

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyVerified / From Affidavit
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address540 WINDSOR MILL DR, BALLWIN, MO 63011-3351

Mortgage

Document Number2021092001049
DateSep 20, 2021
Instrument2021092001049
Lender
NameBANK OF ENGLAND
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueSep 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 540 Windsor Mill Dr was $4,765, up 6.3% from the year before.

Source: St. Louis County assessment roll, as of September 29, 2026

Property Jurisdictions

TypeName
StateMissouri
MunicipalityBallwin City
CountySt. Louis County
Unified School DistrictRockwood R-VI School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$69,500 (-) Land $29,680 Building $39,820$365,800 (-) Land $156,200 Building $209,600
2025$4,765.00 (+6.29%)$69,500 Land $29,680 Building $39,820$365,800 Land $156,200 Building $209,600
2024$4,483.00 (+0.09%)
2023$4,479.00 (+6.16%)$64,070 (+13.58%) Land $16,700 Building $47,370$337,200 Land $87,900 Building $249,300
2022$4,219.00$56,410 Land $18,540 Building $37,870
2021$296,900 Land $97,600 Building $199,300

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 540 Windsor Mill Dr in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1982.

Source: FEMA National Flood Hazard Layer, effective August 10, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies3 in force
Nearby Flood Claims5 (1982–2026)
Claims Outside the SFHA5 of 5
Most Recent ClaimJul 2026 · 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

Wildfire risk around 540 Windsor Mill 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 98% of the US · lower than 96% 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 SystemMO AMERICAN ST LOUIS ST CHARLES COUNTIES
private · serves 1,111,000 people · EPA ID MO6010716
Water SourceSurface water
Last State InspectionFeb 2024
LeadUnder 1 ppb (2023–2025)
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 270 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
i3 Broadband
Fiber
8,000 / 8,000
Spectrum
Cable
1,000 / 1,000
AT&T
Fixed Wireless · DSL · Fiber in parts of the area
100 / 20

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