St. Louis County property record for 8421 Mathilda Ave, Saint Louis, MO 63123
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,653 sqft · built 1933 |
| Lot Size | 0.273 acres (11,892 sqft) |
| Owner | Individual Name on File |
| Last Sale | $195,000 (Nov 2022) |
| Tax Bill | $3,210 (2025) |
| Deeds & Mortgages | Nov 2022 Sale & Mortgage Feb 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 25J-61-1866 |
| Primary APN | 25J-61-1866 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,653 sqft Living Area |
| 1st Floor Area | 797 sqft |
| Family Room | Family Room |
| Year Built | Built 1933 |
|---|---|
| Effective Year Built | Effective 1933 |
| Architectural Style | Bungalow |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Raised |
| Lot Area | 11,892 sqft (0.273 acres) |
| Lot Depth | 160 ft Depth |
| Garage Type | Detached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 60 sqft |
|---|---|
| Patio Area | 160 sqft |
| Shed | 1 Shed |
| Shed Area | 528 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 8421 MATHILDA AVE |
|---|---|
| City | SAINT LOUIS |
| State | MO |
| Zip | 63123-3667 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R5 |
| Legal Description | FRED L KERTH LOT PT 4 LOC 140 FT W OF MATHILDA AVE & RING DR |
| Legal Subdivision | FRED L KERTH |
| Legal Block | 2 |
| Legal Lot Number | 4 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | GRAVOIS |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 219801 |
8421 Mathilda Ave is owned by an individual who bought it in November 2022.
Source: St. Louis County records, as of October 8, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 8421 MATHILDA AVE, B, SAINT LOUIS, MO 63123-3667 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 |
|---|---|
| Nov 23, 2022 | Warranty Deed, Transfer · Conventional Mortgage F AND B ACQUISITION GROUP LLC |
| Feb 1, 2022 | Warranty Deed, Transfer · Commercial Mortgage FCB BANKS |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 23, 2022 · Amount on File |
| Deed Sale | Nov 23, 2022 · Amount on File |
| Prior Sale | Feb 1, 2022 · Amount on File |
| Deed Document Number | 2022112383 |
| Prior Transfer Date | Nov 3, 2022 |
| Prior Transfer Doc | 0000000082 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Nov 23, 2022 |
| Property Address | 8421 MATHILDA AVE, SAINT LOUIS, MO 63123-3667 |
| Document Number | 2022112300083 |
| Map Reference | MB 5 PG 87 |
| Instrument Date | Nov 17, 2022 |
| Instrument | 2022112300083 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2026 |
| Title Company | USTC, UST |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Verified / From Affidavit |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 997 FORDER HILLS DR, SAINT LOUIS, MO 63129-2067 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 8421 MATHILDA AVE # B, B, SAINT LOUIS, MO 63123-3667 |
| Document Number | 2022112300084 |
|---|---|
| Date | Nov 23, 2022 |
| Instrument | 2022112300084 |
| Name | F AND B ACQUISITION GROUP LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2052 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Feb 1, 2022 |
| Property Address | 8421 MATHILDA AVE, SAINT LOUIS, MO 63123-3667 |
| Document Number | 0253503986 |
| Book / Page | 25350 / 3986 |
| Map Reference | MB 5 PG 87 |
| Instrument Date | Jan 28, 2022 |
| Instrument | 2022020100635 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2026 |
| Title Company | INVESTORS TITLE COMPANY-CLAYTON, INVESTORS TITLE CO CLAYTON |
| Amount | Amount on Record |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Verified / From Affidavit |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 684 COUNTY ROAD 3250, SALEM, MO 65560-3417 |
| Name | Verified Name |
|---|---|
| Address | 997 FORDER HILLS DR, SAINT LOUIS, MO 63129-2067 |
| Document Number | 2022020100636 |
|---|---|
| Date | Feb 1, 2022 |
| Instrument | 2022020100636 |
| Name | FCB BANKS |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 8421 Mathilda Ave was $3,210, up 5.6% from the year before.
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 | $43,300 (-) Land $16,170 Building $27,130 | $227,900 (-) Land $85,100 Building $142,800 | |
| 2025 | $3,210.00 (+5.63%) | $43,300 Land $16,170 Building $27,130 | $227,900 Land $85,100 Building $142,800 |
| 2024 | $3,039.00 (+3.47%) | ||
| 2023 | $2,937.00 (-1.24%) | $37,680 (+7.38%) Land $10,790 Building $26,890 | $198,300 Land $56,800 Building $141,500 |
| 2022 | $2,974.00 | $35,090 Land $10,790 Building $24,300 | |
| 2021 | $184,700 Land $56,800 Building $127,900 |
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.
FEMA maps place 8421 Mathilda 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 8421 Mathilda 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 769 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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