St. Louis County property record for 400 Mayfair Dr, Ballwin, MO 63011
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,374 sqft · built 1964 |
| Lot Size | 0.51 acres (22,216 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $399,900 (Dec 2023) |
| Tax Bill | $4,870 (2025) |
| Deeds & Mortgages | Jul 2026 Transfer Aug 2024 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 21T-32-0856 |
| Primary APN | 21T-32-0856 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,374 sqft Living Area |
| Gross Area | 3,107 sqft |
| 1st Floor Area | 2,374 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Ranch |
| Exterior Material | Brick |
| Foundation Type | No Foundation |
| Lot Area | 22,216 sqft (0.51 acres) |
| Lot Dimensions | 140 ft deep x 96 ft wide |
| Terrain | Below Road/Slope |
| Garage Type | Attached |
| Garage Area | 529 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Frame Porch |
| Porch Area | 289 sqft |
| Cooling System | Central |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 400 MAYFAIR DR |
|---|---|
| City | BALLWIN |
| State | MO |
| Zip | 63011-1533 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 93R-2 |
| Legal Description | MAYFAIR PLAT 1 LOT PT 1 |
| Legal Subdivision | MAYFAIR PLAT 1 |
| Legal Lot Number | 1 |
| 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 August 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single |
| Date | Document |
|---|---|
| Jul 27, 2026 | Transfer on Death Deed, Transfer NONE LISTED ON DOCUMENT |
| Aug 27, 2024 | Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC |
| Jan 14, 2025 | Intrafamily Transfer, Transfer |
| Nov 21, 2024 | Intrafamily Transfer, Transfer |
| Dec 28, 2023 | Warranty Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 28, 2023 · Amount on Record |
| Deed Sale | Dec 28, 2023 · Amount on Record |
| Prior Sale | Apr 2, 2003 · Amount on Record |
| Deed Document Number | 2023357 |
| Last Transfer Date | Jul 20, 2026 |
| Transfer Doc | 0000000500 |
| Record Updated | Sep 20, 2026 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Jul 27, 2026 |
| Property Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Document Number | 0000000500 |
| Instrument Date | Jul 20, 2026 |
| Instrument | 2026500 |
| Transaction Type | Transfer |
| Record Updated | Aug 7, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Property Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Transaction Type | Mortgage |
| Record Updated | Feb 6, 2026 |
| Name | Verified Name |
|---|---|
| Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Document Number | 2024082700438 |
|---|---|
| Date | Aug 27, 2024 |
| Instrument | 2024082700438 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Sep 1, 2044 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Jan 14, 2025 |
| Property Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Document Number | 2025011400164 |
| Map Reference | MB 110 PG 78 |
| Instrument Date | Dec 10, 2024 |
| Instrument | 2025011400164 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Nov 21, 2024 |
| Property Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Document Number | 2024112100275 |
| Map Reference | MB 110 PG 78 |
| Instrument Date | Nov 8, 2024 |
| Instrument | 2024112100275 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Name | Verified Name |
|---|---|
| Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Dec 28, 2023 |
| Property Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Document Number | 2023122800357 |
| Map Reference | MB 110 PG 78 |
| Instrument Date | Dec 28, 2023 |
| Instrument | 2023122800357 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2026 |
| Title Company | TITLE PARTNERS AGENCY LLC |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Verified / From Affidavit |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | PO BOX 1184, BALLWIN, MO 63022-1184 |
| Name | Verified Name |
|---|---|
| Address | 400 MAYFAIR DR, BALLWIN, MO 63011-1533 |
| Document Number | 2023122800358 |
|---|---|
| Date | Dec 28, 2023 |
| Instrument | 2023122800358 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2054 |
Source: St. Louis County assessment roll, as of September 29, 2025
| 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 |
|---|---|---|---|
| 2025 | $4,870.00 (-0.75%) | $74,030 (+5.5%) Land $30,270 Building $43,760 | $389,600 (+5.5%) Land $159,300 Building $230,300 |
| 2024 | $4,907.00 (+0.08%) | ||
| 2023 | $4,903.00 (+3.97%) | $70,170 (+11.29%) Land $22,710 Building $47,460 | $369,300 (+11.3%) Land $119,500 Building $249,800 |
| 2022 | $4,716.00 | $63,050 Land $22,710 Building $40,340 | |
| 2021 | $331,800 Land $119,500 Building $212,300 |
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 | 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 253 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| i3 Broadband Fiber | 8,000 / 8,000 |
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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