St. Charles County property record for 21 King Cir, O Fallon, MO 63366
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 120 sqft · built 1987 |
| Lot Size | 0.153 acres (6,700 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $788 (2025) |
| Deeds & Mortgages | Oct 2019 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 794100A000 |
| Primary APN | 794100A000 |
|---|---|
| Alternative APN |
|
| Full Baths | 1 Bath |
|---|---|
| Building Area | 120 sqft |
| 1st Floor Area | 120 sqft |
| Year Built | Built 1987 |
|---|---|
| Lot Area | 6,700 sqft |
| Lot Dimensions | 134 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Sewer | Connected |
|---|
| Account Number | 794100A000 |
|---|---|
| Old Parcel Number | 794100A000 |
| Street Address | 21 KING CIR |
| City | O FALLON |
| State | MO |
| Zip | 63366-3805 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AF0 |
| Legal Description | OFALLON HILLS BLK 4 LOT 72 |
| Legal Range | 02E |
| Legal Township | 47N |
| Legal Subdivision | OFALLON HILLS |
| Legal Block | 4 |
| Legal Lot Number | 72 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | LAKE ST. LOUIS |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 311907 |
21 King Cir is owned and occupied by two individuals.
Source: St. Charles County records, as of March 16, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 KING CIR, O FALLON, MO 63366-3805 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Deed Document Number | 0007721660 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST CHARLES MO |
| Property Address | 21 KING CIR, O FALLON, MO 63366-3805 |
| Document Number | 0071760824 |
| Instrument Date | Oct 4, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Nov 22, 2019 |
| Title Company | ACCURATE TITLE GROUP, ACCURATE TITLE GRP |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 21 KING CIR O FALLON MO 633663805, O FALLON, MO 63366-3805 |
| Document Number | 0071760824 |
|---|---|
| Date | Nov 5, 2019 |
| Book Page | 007176/000824 |
| Instrument | 630680 |
| Name | FIRST BK |
|---|---|
| Type | Bank |
| Address | LAKE SAINT LOUIS, MO 63367 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 21 King Cir was $788.
Source: St. Charles County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | Missouri |
| County | St. Charles County |
| Unified School District | Wentzville R-IV School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $788.00 | $12,430 | $65,422 Land $45,000 Building $20,422 |
| 2023 | $10,365 | ||
| 2022 | $54,555 Land $36,000 Building $18,555 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 King Cir in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1982.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 2 (1982–1983) |
| Most Recent Claim | Apr 1983 · 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 risk around 21 King Cir 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 80% of the US · lower than 84% of Missouri |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond ember reach |
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 | ST CHARLES COUNTY PWSD 2 serves 100,587 people · EPA ID MO6024530 |
|---|---|
| Water Source | Purchased surface water from ST LOUIS CITY PWS |
| Last State Inspection | Aug 2023 |
| Lead | 2 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 440 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| i3 Broadband Fiber | 8,000 / 8,000 |
| Gateway Fiber Fiber | 2,000 / 2,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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