St. Charles County property record for 4121 Chatham Pl, Saint Charles, MO 63304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,908 sqft · built 1994 |
| Lot Size | 0.24 acres (10,454 sqft) |
| Owner | Individual Name on File |
| Last Sale | $337,000 (Dec 2021) |
| Tax Bill | $4,116 (2025) |
| Deeds & Mortgages | Dec 2021 Mortgage Sep 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | A943001085 |
| Primary APN | A943001085 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,908 sqft Living Area |
| Gross Area | 4,174 sqft |
| 1st Floor Area | 1,908 sqft |
| Basement Area | 1,846 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Architectural Style | Ranch |
| Exterior Material | Brick/Stone |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,454 sqft (0.24 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 84 sqft |
| Patio Area | 120 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | A943001085 |
|---|---|
| Street Address | 4121 CHATHAM PL |
| City | SAINT CHARLES |
| State | MO |
| Zip | 63304-6943 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | CAMBRIDGE CROSSING #3 LOT 36 |
| Legal Subdivision | CAMBRIDGE CROSSING #3 |
| Legal Lot Number | 36 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | HARVESTER |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 311150 |
4121 Chatham Pl is owned and occupied by an individual who bought it in December 2021.
Source: St. Charles County records, as of September 10, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4121 CHATHAM PL, SAINT CHARLES, MO 63304-6943 |
| 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.
| Date | Document |
|---|---|
| Dec 16, 2021 | Warranty Deed, Subdivision Related Transfer · Conventional Mortgage US BANK NA |
| Sep 2, 2021 | Warranty Deed, Transfer TITLE PARTNERS AGENCY LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 16, 2021 · Amount on File |
| Deed Sale | Dec 16, 2021 · Amount on File |
| Prior Sale | Sep 2, 2021 · Amount on File |
| Deed Document Number | 2021101355 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST CHARLES MO |
| Recording Date | Dec 16, 2021 |
| Property Address | 4121 CHATHAM PL, SAINT CHARLES, MO 63304-6943 |
| Document Number | 0000101355 |
| Map Reference | MB 31 PG 243 |
| Instrument Date | Dec 9, 2021 |
| Instrument | 2021R-101355 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Dec 31, 2021 |
| Title Company | INVESTORS TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 7223 SCOTLAND DR, 7223, O FALLON, MO 63368-7245 |
| Name | Verified Name |
|---|---|
| Address | 4121 CHATHAM PL, SAINT CHARLES, MO 63304-6943 |
| Document Number | 0000101356 |
|---|---|
| Date | Dec 16, 2021 |
| Instrument | 2021R-101356 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2052 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST CHARLES MO |
| Recording Date | Sep 2, 2021 |
| Property Address | 4121 CHATHAM PL, SAINT CHARLES, MO 63304-6943 |
| Document Number | 2021R073995 |
| Map Reference | MB 31 PG 243 |
| Instrument Date | Aug 31, 2021 |
| Instrument | 2021R-073995 |
| Transaction Type | Transfer |
| Record Updated | Sep 15, 2021 |
| Title Company | TITLE PARTNERS AGENCY LLC |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 31101 POMME DE TERRE DR, 31101, LAKE ST LOUIS, MO 63367-2092 |
| Name | Verified Name |
|---|---|
| Address | 7223 SCOTLAND DR, O FALLON, MO 63368-7245 |
The 2025 property tax bill for 4121 Chatham Pl was $4,116, up 4.4% from the year before.
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 | $69,396 (-) | $365,244 (-) Land $65,000 Building $300,244 | |
| 2025 | $4,116.00 (+4.36%) | $69,396 | $365,244 Land $65,000 Building $300,244 |
| 2024 | $3,944.00 | ||
| 2023 | $66,057 | ||
| 2022 | $347,670 Land $50,000 Building $297,670 |
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 4121 Chatham Pl in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
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.
The area around 4121 Chatham Pl has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | 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 357 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
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