St. Louis County property record for 421 Monticello Dr, Ballwin, MO 63011
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,683 sqft · built 1965 |
| Lot Size | 0.291 acres (12,689 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $663,005 (Jun 2025) |
| Tax Bill | $4,334 (2025) |
| Deeds & Mortgages | Oct 2025 Mortgage Jun 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 21S-32-0185 |
| Primary APN | 21S-32-0185 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,683 sqft Living Area |
| Gross Area | 2,143 sqft |
| 1st Floor Area | 1,643 sqft |
| Family Room | Family Room |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 2025 |
| Architectural Style | Ranch |
| Exterior Material | Brick |
| Foundation Type | Raised |
| Lot Area | 12,689 sqft (0.291 acres) |
| Lot Dimensions | 141 ft deep x 94 ft wide |
| Terrain | Below Road/Slope |
| View / Lot | Cul-De-Sac |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 280 sqft |
| Patio Area | 204 sqft |
| Balcony Area | 40 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 421 MONTICELLO DR |
|---|---|
| City | BALLWIN |
| State | MO |
| Zip | 63011-2531 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-2 |
| Legal Description | CLAYMONT PLAT 12A LOT 636 |
| Legal Subdivision | CLAYMONT PLAT 12A |
| Legal Lot Number | 636 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | LAFAYETTE |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 217807 |
421 Monticello Dr is owned and occupied by two individuals who bought it in June 2025.
Source: St. Louis County records, as of October 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 421 MONTICELLO DR, BALLWIN, MO 63011-2531 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
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 |
|---|---|
| Oct 24, 2025 | Deed of Trust, Mortgage · Conventional Mortgage ACCESS CAPITAL FUNDING LLC |
| Jun 10, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 9, 2025 · Amount on File |
| Deed Sale | Jun 9, 2025 · Amount on File |
| Prior Sale | Nov 1, 2024 · Amount on File |
| Deed Document Number | 2025262 |
| Prior Transfer Date | Oct 30, 2024 |
| Prior Transfer Doc | 0000000394 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Property Address | 421 MONTICELLO DR, BALLWIN, MO 63011-2531 |
| Transaction Type | Mortgage |
| Record Updated | Jan 14, 2026 |
| Title Company | TOUCHSTONE TITLE AND ABSTRACT, TOUCHSTONE TITLE & ABSTRACT |
| Name | Verified Name |
|---|---|
| Address | 421 MONTICELLO DR, BALLWIN, MO 63011-2531 |
| Document Number | 2025102400212 |
|---|---|
| Date | Oct 24, 2025 |
| Instrument | 2025102400212 |
| Name | ACCESS CAPITAL FUNDING LLC |
|---|---|
| Type | Lending Institution |
| Address | CHESTERFIELD, MO 63005 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2055 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Jun 10, 2020 |
| Property Address | 421 MONTICELLO DR, BALLWIN, MO 63011-2531 |
| Document Number | 0240865706 |
| Book / Page | 024086 / 005706 |
| Instrument Date | May 4, 2020 |
| Instrument | 782 |
| Transaction Type | Transfer |
| Record Updated | Jul 3, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 421 MONTICELLO ST LOUIS MO 63101, ST LOUIS, MO 63101 |
The 2025 property tax bill for 421 Monticello Dr was $4,334, up 5.1% from the year before.
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 | Parkway C-2 School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $86,690 (+22.76%) Land $32,220 Building $54,470 | $456,300 (+22.76%) Land $169,600 Building $286,700 | |
| 2025 | $4,334.00 (+5.09%) | $70,620 Land $32,220 Building $38,400 | $371,700 Land $169,600 Building $202,100 |
| 2024 | $4,124.00 (+1.43%) | ||
| 2023 | $4,066.00 (+7.65%) | $63,650 (+17.63%) Land $22,970 Building $40,680 | $335,000 Land $120,900 Building $214,100 |
| 2022 | $3,777.00 | $54,110 Land $19,130 Building $34,980 | |
| 2021 | $284,800 Land $100,700 Building $184,100 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 421 Monticello Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2015.
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 | 2 in force |
| Nearby Flood Claims | 1 (2015) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 2015 · Severe Storms, Tornadoes, Straight-line Winds, And Flooding |
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.
The area around 421 Monticello Dr 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 328 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 | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
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