St. Louis County property record for 3620 Gwenmill Dr, Saint Louis, MO 63129
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,590 sqft · built 2018 |
| Lot Size | 0.344 acres (14,985 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $480,800 (Jan 2019) |
| Tax Bill | $6,919 (2025) |
| Deeds & Mortgages | Jun 2022 Line of Credit Jan 2019 Sale + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 31K-24-0354 |
| Primary APN | 31K-24-0354 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Plumbing Fixtures | 13 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 3,590 sqft Living Area |
| Gross Area | 4,360 sqft |
| 1st Floor Area | 2,190 sqft |
| Basement Area | 700 sqft |
| Finished Basement | 700 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Raised |
| Lot Area | 14,985 sqft (0.344 acres) |
| View / Lot | Highway |
| Garage Type | Attached |
| Garage Area | 770 sqft |
| Parking Spaces | 3 Parking Spaces |
| Pool Area | 420 sqft |
| Porch | Open Frame Porch |
| Porch Area | 264 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3620 GWENMILL DR |
|---|---|
| City | SAINT LOUIS |
| State | MO |
| Zip | 63129-2235 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Description | GWENMILL ESTATES LOT 3 |
| Legal Subdivision | GWENMILL ESTATES |
| Legal Lot Number | 3 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | TESSON FERRY |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 220449 |
3620 Gwenmill Dr is owned and occupied by two individuals who bought it in January 2019.
Source: St. Louis County records, as of September 29, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3620 GWENMILL DR, SAINT LOUIS, MO 63129-2235 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Jun 14, 2022 | Deed of Trust, Mortgage · Line of Credit MEMBERS 1ST CU |
| Jan 18, 2019 | Warranty Deed, Transfer HILLSBORO TITLE COMPANY |
| May 30, 2018 | Trustee's Deed, Construction Loan · Line of Credit ROCKWOOD BK |
| Mar 6, 2018 | Warranty Deed, Construction Loan · Line of Credit ROCKWOOD BK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 18, 2019 · Amount on File |
| Deed Sale | Jan 18, 2019 · Amount on File |
| Prior Sale | Mar 6, 2018 · Amount on File |
| Deed Document Number | 2019196 |
| Deed Book / Page | 23364 / 921 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Property Address | 3620 GWENMILL DR, SAINT LOUIS, MO 63129-2235 |
| Transaction Type | Mortgage |
| Record Updated | Nov 24, 2022 |
| Name | Verified Name |
|---|
| Document Number | 2022061400670 |
|---|---|
| Date | Jun 14, 2022 |
| Instrument | 2022061400670 |
| Name | MEMBERS 1ST CU |
|---|---|
| Type | Credit Union |
| Address | SAINT LOUIS, MO 63128 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Jul 1, 2037 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Jan 18, 2019 |
| Property Address | 3620 GWENMILL DR, SAINT LOUIS, MO 63129-2235 |
| Document Number | 0233640921 |
| Book / Page | 023364 / 000921 |
| Instrument Date | Jan 17, 2019 |
| Instrument | 196 |
| Transaction Type | Transfer |
| Record Updated | May 15, 2019 |
| Title Company | HILLSBORO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 3620 GWENMILL DR ST LOUIS MO 631292235, ST LOUIS, MO 63129-2235 |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | May 30, 2018 |
| Property Address | 3620 GWENMILL DR, SAINT LOUIS, MO 63129-2235 |
| Document Number | 0230461297 |
| Book / Page | 023046 / 001297 |
| Instrument Date | May 23, 2018 |
| Instrument | 280 |
| Transaction Type | Construction Loan |
| Record Updated | Jun 19, 2018 |
| Title Company | HILLSBORO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 826 VILLA GRAN WAY FENTON MO 630266306, FENTON, MO 63026-6306 |
| Document Number | 230461297 |
|---|---|
| Date | May 30, 2018 |
| Book Page | 023046/001297 |
| Instrument | 280 |
| Name | ROCKWOOD BK |
|---|---|
| Type | Bank |
| Address | WILDWOOD, MO 63040 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 12 Months |
| Due | May 29, 2019 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST LOUIS MO |
| Recording Date | Mar 6, 2018 |
| Property Address | 3620 GWENMILL DR, SAINT LOUIS, MO 63129-2235 |
| Document Number | 0229263357 |
| Book / Page | 022926 / 003357 |
| Instrument Date | Mar 2, 2018 |
| Instrument | 631 |
| Transaction Type | Construction Loan |
| Record Updated | May 30, 2018 |
| Title Company | HILLSBORO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 826 VILLA GRAN WAY FENTON MO 630266306, FENTON, MO 63026-6306 |
| Document Number | 229263360 |
|---|---|
| Date | Mar 6, 2018 |
| Book Page | 022926/003360 |
| Instrument | 632 |
| Name | ROCKWOOD BK |
|---|---|
| Type | Bank |
| Address | WILDWOOD, MO 63040 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 12 Months |
| Due | Mar 5, 2019 |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 3620 Gwenmill Dr was $6,919, up 0.1% 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 | Mehlville R-IX School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $119,300 (-) Land $19,130 Building $100,170 | $627,900 (-) Land $100,700 Building $527,200 | |
| 2025 | $6,919.00 (+0.07%) | $119,300 Land $19,130 Building $100,170 | $627,900 Land $100,700 Building $527,200 |
| 2024 | $6,914.00 (+1.29%) | ||
| 2023 | $6,826.00 | $103,710 Land $12,790 Building $90,920 | $545,800 Land $67,300 Building $478,500 |
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 3620 Gwenmill Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims 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 | 1 in force |
| Nearby Flood Claims | 2 (2015–2017) |
| Most Recent Claim | May 2017 · 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.
Wildfire risk around 3620 Gwenmill Dr is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 92% 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 234 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
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