St. Louis County property record for 6403 Mount Ave, Saint Louis, MO 63121
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,240 sqft · built 2004 |
| Lot Size | 0.14 acres (6,098 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,058 (2025) |
| Deeds & Mortgages | Jan 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 16H-61-1850 |
| Primary APN | 16H-61-1850 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 7 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,240 sqft Living Area |
| Gross Area | 1,660 sqft |
| 1st Floor Area | 620 sqft |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | Conventional |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Raised |
| Lot Area | 6,098 sqft (0.14 acres) |
| Lot Dimensions | 51 ft deep x 51 ft wide |
| Terrain | Below Road/Slope |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
| Porch Area | 120 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 6403 MOUNT AVE |
|---|---|
| City | SAINT LOUIS |
| State | MO |
| Zip | 63121-5716 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 68RSING |
| Legal Description | GLEN ECHO HEIGHTS BLK 3 LOTS 18 THRU 20 & LOT PT 17 RESUB LOT 20A |
| Legal Subdivision | GLEN ECHO HEIGHTS BLK 3 LOTS 18 THRU 20 |
| Legal Block | 3 |
| Legal Lot Number | 20A |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | UNIVERSITY |
| Census Block Group | 4 |
| Census Block | 4016 |
| Census Tract | 213800 |
6403 Mount Ave is owned by an individual who acquired it in December 2021.
Source: St. Louis County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 733 TURRENTINE TRL, SAINT LOUIS, MO 63141-6089 |
| 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 |
|---|---|
| Last Sale | Dec 23, 2021 |
| Deed Sale | Dec 23, 2021 |
| Prior Sale | Jan 24, 2017 |
| Deed Document Number | 2021149 |
| Deed Book / Page | 25288 / 3831 |
| Prior Transfer Date | Mar 8, 2010 |
| Prior Transfer Doc | 0188312464 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Jan 24, 2017 |
| Property Address | 6403 MOUNT AVE, SAINT LOUIS, MO 63121-5716 |
| Document Number | 0223690491 |
| Book / Page | 022369 / 000491 |
| Instrument Date | Jan 18, 2017 |
| Instrument | 281 |
| Transaction Type | Transfer |
| Record Updated | Jan 31, 2017 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 733 TURRENTINE TRL ST LOUIS MO 631416089, ST LOUIS, MO 63141-6089 |
The 2025 property tax bill for 6403 Mount Ave was $2,058, up 41.1% from the year before.
Source: St. Louis County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | St. Louis County |
| Municipality | Hillsdale Village |
| Unified School District | Normandy Schools Collaborative (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $22,330 (-) Land $1,160 Building $21,170 | $117,500 (-) Land $6,100 Building $111,400 | |
| 2025 | $2,058.00 (+41.06%) | $22,330 Land $1,160 Building $21,170 | $117,500 Land $6,100 Building $111,400 |
| 2024 | $1,459.00 (-4.2%) | ||
| 2023 | $1,523.00 | $15,900 Land $380 Building $15,520 | $83,700 Land $2,000 Building $81,700 |
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 6403 Mount Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective August 10, 2025
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 6403 Mount Ave 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 345 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
| Brown Dog Networks Fixed Wireless | 50 / 10 |
May also be available: Spectrum, T-Mobile, Verizon.
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