St. Louis County property record for 6420 Judson Ave, Saint Louis, MO 63123
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 926 sqft · built 1948 |
| Lot Size | 0.145 acres (6,299 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $115,000 (Aug 2004) |
| Tax Bill | $2,633 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 25J-12-0089 |
| Primary APN | 25J-12-0089 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 926 sqft Living Area |
| 1st Floor Area | 806 sqft |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Bungalow |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Raised |
| Lot Area | 6,299 sqft (0.145 acres) |
| Lot Dimensions | 60 ft deep x 60 ft wide |
| Terrain | Above Road/Slope |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 24 sqft |
| Patio Area | 18 sqft |
| Poultry House | 18 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 6420 JUDSON AVE |
|---|---|
| City | SAINT LOUIS |
| State | MO |
| Zip | 63123-3214 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R5 |
| Legal Description | GRAVOIS PARK LOTS 18 & 19 |
| Legal Subdivision | GRAVOIS PARK |
| Legal Lot Number | 18,19 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | GRAVOIS |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 219700 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 6420 JUDSON AVE, SAINT LOUIS, MO 63123-3214 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 18, 2004 · Amount on Record |
| Deed Sale | Aug 18, 2004 · Amount on Record |
| Deed Document Number | 2004854 |
| Deed Book / Page | 16042 / 328 |
| 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 | Affton 101 School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $35,440 (-) Land $14,630 Building $20,810 | $186,500 (-) Land $77,000 Building $109,500 | |
| 2025 | $2,633.00 (+12.76%) | $35,440 (+23.61%) Land $14,630 Building $20,810 | $186,500 (+23.59%) Land $77,000 Building $109,500 |
| 2024 | $2,335.00 (+3.46%) | ||
| 2023 | $2,257.00 (-3.88%) | $28,670 (+10.78%) Land $9,750 Building $18,920 | $150,900 (+10.79%) Land $51,300 Building $99,600 |
| 2022 | $2,348.00 | $25,880 Land $9,750 Building $16,130 | |
| 2021 | $136,200 Land $51,300 Building $84,900 |
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.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 5 (1979–2009) |
| Claims Outside the SFHA | 1 of 5 |
| Most Recent Claim | Jun 2009 · 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 | 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 517 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 800 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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