St. Louis County property record for 420 Mayfair Dr, Ballwin, MO 63011
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,013 sqft · built 1965 |
| Lot Size | 0.358 acres (15,599 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $379,998 (Sep 2024) |
| Tax Bill | $4,484 (2025) |
| Deeds & Mortgages | Sep 2024 Sale & Mortgage Sep 2024 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 21T-32-0508 |
| Primary APN | 21T-32-0508 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,013 sqft Living Area |
| Gross Area | 2,484 sqft |
| 1st Floor Area | 2,013 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Ranch |
| Exterior Material | Brick |
| Foundation Type | Raised |
| Lot Area | 15,599 sqft (0.358 acres) |
| Lot Dimensions | 130 ft deep x 130 ft wide |
| Garage Type | Attached |
| Garage Area | 471 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
| Porch Area | 208 sqft |
| Patio Area | 391 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 420 MAYFAIR DR |
|---|---|
| City | BALLWIN |
| State | MO |
| Zip | 63011-1561 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 93R-2 |
| Legal Description | MAYFAIR PLAT 2 LOT 76 |
| Legal Subdivision | MAYFAIR PLAT 2 |
| Legal Lot Number | 76 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | LAFAYETTE |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 217852 |
Source: St. Louis County records, as of October 8, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 420 MAYFAIR DR, BALLWIN, MO 63011-1561 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single |
| Date | Document |
|---|---|
| Sep 17, 2024 | Warranty Deed, Transfer · Conventional Mortgage MORTGAGE SOLUTIONS OF ST LOUIS |
| Sep 13, 2024 | Warranty Deed, Transfer INVESTORS TITLE COMPANY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 17, 2024 · Amount on Record |
| Deed Sale | Sep 17, 2024 · Amount on Record |
| Prior Sale | Sep 13, 2024 · Amount on Record |
| Deed Document Number | 2024917580 |
| Prior Transfer Date | Aug 1, 2012 |
| Prior Transfer Doc | 0201011718 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Sep 17, 2024 |
| Property Address | 420 MAYFAIR DR, BALLWIN, MO 63011-1561 |
| Document Number | 2024091700580 |
| Map Reference | MB 110 PG 80 |
| Instrument Date | Sep 13, 2024 |
| Instrument | 2024091700580 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2026 |
| Title Company | TITLE PARTNERS AGENCY LLC |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Verified / From Affidavit |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 638 ROLLING MEADOWS DR, MOSCOW MILLS, MO 63362-1602 |
| Name | Verified Name |
|---|---|
| Address | 420 MAYFAIR DR, BALLWIN, MO 63011-1561 |
| Document Number | 2024091700581 |
|---|---|
| Date | Sep 17, 2024 |
| Instrument | 2024091700581 |
| Name | MORTGAGE SOLUTIONS OF ST LOUIS |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2054 |
| Document Number | 2024100100608 |
|---|---|
| Date | Oct 1, 2024 |
| Instrument | 2024100100608 |
| Name | MORTGAGE SOLUTIONS OF ST LOUIS |
|---|---|
| Type | Mortgage Company |
| Address | SAINT LOUIS, MO 63119 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 1, 2054 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Sep 13, 2024 |
| Property Address | 420 MAYFAIR DR, BALLWIN, MO 63011-1561 |
| Document Number | 2024091300389 |
| Map Reference | MB 110 PG 80 |
| Instrument Date | Sep 11, 2024 |
| Instrument | 2024091300389 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2026 |
| Title Company | INVESTORS TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Verified / From Affidavit |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 120 MCKEE LN, VERO BEACH, FL 32960-4218 |
| Name | Verified Name |
|---|---|
| Address | 638 ROLLING MEADOWS DR, MOSCOW MILLS, MO 63362-1602 |
Source: St. Louis County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Missouri |
| Municipality | Ballwin City |
| County | St. Louis County |
| Unified School District | Rockwood R-VI School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $65,380 (-) Land $31,540 Building $33,840 | $344,100 (-) Land $166,000 Building $178,100 | |
| 2025 | $4,484.00 (+6.46%) | $65,380 (+8.64%) Land $31,540 Building $33,840 | $344,100 (+8.65%) Land $166,000 Building $178,100 |
| 2024 | $4,212.00 (+0.07%) | $60,180 (-) Land $23,660 Building $36,520 | |
| 2023 | $4,209.00 (+15.35%) | $60,180 (+23.37%) Land $23,660 Building $36,520 | $316,700 (+23.37%) Land $124,500 Building $192,200 |
| 2022 | $3,649.00 | $48,780 Land $23,660 Building $25,120 | |
| 2021 | $256,700 Land $124,500 Building $132,200 |
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 Policies | 4 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.
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 288 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| i3 Broadband Fiber | 8,000 / 8,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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