Walworth County property record for 509 4th Ave W, Mobridge, SD 57601
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,706 sqft · built 1940 |
| Lot Size | 1 acres (43,560 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $45,000 (Feb 2007) |
| Tax Bill | $1,480 (2023) |
| APN | 005286 |
| Primary APN | 005286 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Stories | 2 Stories |
| Building Area | 1,706 sqft Living Area |
| 1st Floor Area | 1,389 sqft |
| Basement Area | 1,395 sqft |
| Year Built | Built 1940 |
|---|---|
| Lot Area | 43,560 sqft (1 acres) |
| Garage Type | Detached |
| Garage Area | 728 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 350 sqft |
| Street Address | 509 4TH AVE W |
|---|---|
| City | MOBRIDGE |
| State | SD |
| Zip | 57601-2012 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MOBRIDGE, GRAND CROSSING ADDN., LOT 4, BLOCK 37 |
| Legal Subdivision | GRAND CROSSING |
| Legal Block | 37 |
| Legal Lot Number | 4 |
| Jurisdiction | WALWORTH SD |
| Township / Civil Division | MOBRIDGE |
| Census Block Group | 3 |
| Census Block | 3034 |
| Census Tract | 965200 |
Source: Walworth County records, as of November 1, 2023
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 |
|---|---|
| Co-owner | Co-owner on Record |
| Mailing Address | 509 4TH AVE W, MOBRIDGE, SD 57601-2012 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 2, 2007 · Amount on Record |
| Deed Sale | Feb 2, 2007 · Amount on Record |
| Deed Document Number | 0002007130 |
| Record Updated | Jun 7, 2026 |
Source: Walworth County assessment roll, as of November 1, 2023
| Type | Name |
|---|---|
| State | South Dakota |
| County | Walworth County |
| Municipality | Mobridge City |
| Unified School District | Mobridge-Pollock School District 62-6 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2023 | $1,480.00 | $84,767 Land $3,991 Building $80,776 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; 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 | MOBRIDGE serves 3,261 people · EPA ID SD4600215 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2024 |
| Lead | 1 ppb (2023) 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 438 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable | 1,250 / 60 |
| West River Telecommunications Cooperative Fiber | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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