St. Louis County property record for 4100 Bayless Ave, Saint Louis, MO 63125
| Property Type | Waste Disposal, Sewage Treatment |
|---|---|
| Details | 1 bd · built 1989 |
| Lot Size | 3.01 acres (131,116 sqft) |
| Owner | Company Name on File |
| Tax Bill | $59,493 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 26H-52-0542 |
| Primary APN | 26H-52-0542 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Total Rooms | 11 Rooms |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 131,116 sqft |
| Lot Dimensions | 676 ft deep x 74 ft wide |
| Garage Type | Open |
| Garage Area | 32,300 sqft |
| Total Buildings | 2 Buildings |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 4100 BAYLESS AVE |
|---|---|
| City | SAINT LOUIS |
| State | MO |
| Zip | 63125 |
| Property Category | Industrial |
| Property Type | Industrial > Waste Disposal, Sewage Treatment |
| Local Zoning Code | FPM1 |
| Legal Description | SIGERSON NURSERY TRACT LOT PTS 70 & 80 & SOUTH CARONDELET COMMONS LOT PT 37 & AVENUE I VACATED PT BDY ADJ PARCEL A |
| Legal Subdivision | SIGERSON NURSERY TRACT |
| Legal Lot Number | 70,80 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | LEMAY |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 220102 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the St. Stanislaus Seminary listed 1972 · 3 contributing resources · NRIS 72001491 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: St. Louis County records, as of September 29, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 29246, PHOENIX, AZ 85038-9246 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: St. Louis County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | St. Louis County |
| Unified School District | Bayless School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $667,320 (-) Land $159,420 Building $507,900 | $2,085,400 (-) Land $498,200 Building $1,587,200 | |
| 2025 | $59,493.00 (+5.37%) | $667,320 (+14.22%) Land $159,420 Building $507,900 | $2,085,400 (+14.22%) Land $498,200 Building $1,587,200 |
| 2024 | $56,460.00 (+3.78%) | ||
| 2023 | $54,403.00 (+5.32%) | $584,220 (-1.44%) Land $159,420 Building $424,800 | $1,825,700 (-1.44%) Land $498,200 Building $1,327,500 |
| 2022 | $51,654.00 | $592,730 Land $159,420 Building $433,310 | |
| 2021 | $1,852,300 Land $498,200 Building $1,354,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective August 10, 2025 · 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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 2 (2023–2024) |
| Most Recent Claim | Nov 2024 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98.2% 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 | 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 433 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 800 / 250 |
May also be available: T-Mobile, Verizon.
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