St. Charles County property record for 21 Windcastle Dr, Saint Charles, MO 63304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 5 ba · 10,105 sqft · built 2001 |
| Lot Size | 3.93 acres (171,626 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $2,700,000 (Sep 2002) |
| Tax Bill | $19,368 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | A973001345 |
| Primary APN | A973001345 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 10,105 sqft Living Area |
| Gross Area | 12,304 sqft |
| 1st Floor Area | 6,705 sqft |
| Basement Area | 4,611 sqft |
| Finished Basement | 3,400 sqft |
| Unfinished Basement | 1,211 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | Ranch |
| Exterior Material | Brick |
| Lot Area | 171,626 sqft |
| Garage Type | Attached |
| Garage Area | 988 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 168 sqft |
| Account Number | A973001345 |
|---|---|
| Street Address | 21 WINDCASTLE DR |
| City | SAINT CHARLES |
| State | MO |
| Zip | 63304-0446 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WINDCASTLE #1 LOT 21 |
| Legal Subdivision | WIND CASTLE #1 |
| Legal Lot Number | 21 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | HARVESTER |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 311132 |
21 Windcastle Dr is held in a trust since November 2015.
Source: St. Charles County records, as of August 7, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 21 WINDCASTLE DR, SAINT CHARLES, MO 63304-0446 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 13, 2002 · Amount on File |
| Deed Sale | Sep 13, 2002 · Amount on File |
| Prior Sale | Mar 28, 2000 |
| Deed Document Number | 200286820 |
| Deed Book / Page | 3017 / 1543 |
| Last Transfer Date | Nov 10, 2015 |
| Transfer Doc | 0000753450 |
| Record Updated | Oct 29, 2026 |
Source: St. Charles County assessment roll, as of August 7, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | St. Charles County |
| Unified School District | Francis Howell R-III School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $374,160 (-) | $1,969,261 (-) Land $306,000 Building $1,663,261 | |
| 2025 | $374,160 | $1,969,261 Land $306,000 Building $1,663,261 | |
| 2024 | $19,368.00 | ||
| 2023 | $326,218 | ||
| 2022 | $1,716,936 Land $306,000 Building $1,410,936 |
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.
FEMA maps place 21 Windcastle Dr in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 26 (1979–2019) |
| Claims Outside the SFHA | 1 of 26 |
| Most Recent Claim | Jun 2019 · Severe Storms, Tornadoes, And Flooding |
| Claims by Event |
|
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 risk around 21 Windcastle Dr is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 78% of Missouri |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MO AMERICAN ST LOUIS ST CHARLES COUNTIES private · serves 1,111,000 people · EPA ID MO6010716 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2024 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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.
Source: FCC Broadband Data Collection, based on 25 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
May also be available: AT&T.
5G and 4G LTE (outdoors only)
Search by:
By searching, you agree to: Terms • Privacy • Disclosures