Davison County property record for 402 W 1st Ave, Mount Vernon, SD 57363
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 0.75 ba · 1,076 sqft · built 1900 |
| Lot Size | 0.163 acres (7,100 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,295 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 14640-00600-008-00 |
| Primary APN | 14640-00600-008-00 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 0.75 Baths |
| Stories | 1 Story |
| Building Area | 1,076 sqft Living Area |
| 1st Floor Area | 822 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Exterior Material | Wood |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 7,100 sqft (0.163 acres) |
| Lot Dimensions | 142 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 1,152 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 402 W 1ST AVE |
|---|---|
| City | MOUNT VERNON |
| State | SD |
| Zip | 57363-2102 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 52011 |
| Legal Description | LT 8 BLK 6 TATMAN AND JOHNSTON'S FIRST ADDN |
| Legal Subdivision | TATMAN AND JOHNSTONS FIRST ADDN |
| Legal Block | 6 |
| Legal Lot Number | 8 |
| Jurisdiction | DAVISON SD |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 1 |
| Census Block | 1108 |
| Census Tract | 962600 |
402 W 1st Ave, a single family home, is owned by an individual.
Source: Davison County records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 185, MOUNT VERNON, SD 57363-0185 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 402 W 1st Ave was $1,295.
Source: Davison County assessment roll, as of October 13, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Davison County |
| Municipality | Mount Vernon City |
| Unified School District | Mount Vernon School District 17-3 (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $83,260 (+52.05%) Land $8,742 Building $74,518 | |
| 2025 | $1,295.00 | $54,757 Land $8,875 Building $45,882 |
| 2023 | $390.00 | $52,982 Land $7,100 Building $45,882 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 402 W 1st Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective May 7, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 5 (2018–2024) |
| Claims Outside the SFHA | 3 of 5 |
| Most Recent Claim | Jun 2024 · Severe Storms, Straight-line Winds, And Flooding |
| Claims by Event |
|
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 402 W 1st Ave is low, with 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 99.8% of the US · lower than 99.5% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | MOUNT VERNON serves 461 people · EPA ID SD4600220 |
|---|---|
| Water Source | Purchased surface water from DAVISON RURAL WATER SYSTEM INC |
| Last State Inspection | Jul 2023 |
| Lead | 6 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | No certified operator Feb 2020 |
| 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 110 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Santel Fiber | 1,000 / 1,000 |
| Midco Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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