St. Charles County property record for 129 Mill Spring Ln, Saint Peters, MO 63376
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,394 sqft · built 1976 |
| Lot Size | 0.227 acres (9,869 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,414 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 427846B026 |
| Primary APN | 427846B026 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,394 sqft Living Area |
| Gross Area | 2,582 sqft |
| 1st Floor Area | 1,294 sqft |
| Basement Area | 748 sqft |
| Finished Basement | 100 sqft |
| Unfinished Basement | 648 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Bi-Level |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 9,869 sqft (0.227 acres) |
| Lot Dimensions | 139 ft deep x 71 ft wide |
| Garage Type | Attached |
| Garage Area | 540 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Deck Area | Deck Area |
| Patio Area | 500 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 427846B026 |
|---|---|
| Street Address | 129 MILL SPRING LN |
| City | SAINT PETERS |
| State | MO |
| Zip | 63376-7025 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AE9 |
| Legal Description | MILL WOOD #4 SEC 2 LOT 226 |
| Legal Subdivision | MILL WOOD #4 SEC 2 |
| Legal Lot Number | 226 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | SPENCER CREEK |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 311296 |
129 Mill Spring Ln is owned and occupied by an individual.
Source: St. Charles County records, as of August 7, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 129 MILL SPRING LN, SAINT PETERS, MO 63376-7025 |
| 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 | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 129 Mill Spring Ln was $3,414.
Source: St. Charles County assessment roll, as of August 7, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | St. Charles County |
| Municipality | St. Peters City |
| Unified School District | Francis Howell R-III School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $50,131 (-) | $263,848 (-) Land $55,000 Building $208,848 | |
| 2025 | $3,414.00 | $50,131 | $263,848 Land $55,000 Building $208,848 |
| 2023 | $45,312 | ||
| 2022 | $238,485 Land $55,000 Building $183,485 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 129 Mill Spring Ln 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 |
| 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.
Wildfire risk around 129 Mill Spring Ln 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 Risk | Low lower than 95% of the US · lower than 93% of Missouri |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 PETERS PWS serves 52,575 people · EPA ID MO6010719 |
|---|---|
| Water Source | Purchased surface water from ST LOUIS CITY PWS |
| Last State Inspection | Mar 2023 |
| Lead | Under 1 ppb (2022–2024) 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 432 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 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: i3 Broadband.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures