Sully County property record for 309 S 6th St, Onida, SD 57564
| Property Type | Other Improved |
|---|---|
| Details | built 1904 |
| Lot Size | 2 acres (87,120 sqft) |
| Owner | Company Name on File |
| Tax Bill | $754 (2025) |
| APN | 4489 |
| Primary APN | 4489 |
|---|
| Year Built | Built 1904 |
|---|---|
| Lot Area | 87,120 sqft (2 acres) |
| Lot Dimensions | 165 ft deep x 50 ft wide |
| Street Address | 309 S 6TH ST |
|---|---|
| City | ONIDA |
| State | SD |
| Zip | 57564 |
| Property Category | Other |
| Property Type | Other > Other Improved |
| Legal Description | ONIDA CITY, FIRST ADDITON, BLK 7, LOTS 11-12 |
| Legal Subdivision | ONIDA CITY, FIRST ADDITON |
| Legal Block | 7 |
| Legal Lot Number | 11-12 |
| Jurisdiction | SULLY SD |
| Township / Civil Division | ONIDA |
| Census Block Group | 2 |
| Census Block | 2041 |
| Census Tract | 979100 |
Source: Sully County records · APN 4489
Assessment roll updated November 1, 2025 · Last verified December 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 374, ONIDA, SD 57564-0374 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 24, 2021 |
| Deed Sale | Sep 24, 2021 |
| Deed Document Number | 0000061613 |
| Record Updated | Jun 08, 2026 |
Source: Sully County records · Assessment roll updated November 1, 2025 · Last verified December 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Sully County |
| Municipality | Onida City |
| Unified School District | Agar-Blunt-Onida School District 58-3 (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $754.00 | $54,836 (-) Land $11,588 Building $43,248 |
| 2023 | $54,836 Land $11,588 Building $43,248 |
Source: FEMA National Flood Hazard Layer · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Claims | 2 (1997–2010) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | May 2010 · Flooding |
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98% of South Dakota |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Venture Communications Cooperative Fiber | 1,000 / 1,000 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 225 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | ONIDA serves 658 people |
|---|---|
| Water Source | Purchased surface water from MID-DAKOTA RURAL WATER |
| Last State Inspection | Jan 2025 |
| Lead | 2 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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