Grant County property record for 508 Lyon Ave, Big Stone City, SD 57216
| Property Type | Commercial |
|---|---|
| Owner | Company Name on Record |
| Tax Bill | $3,257 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 25.00.18.18 |
| Primary APN | 25.00.18.18 |
|---|
| Units | 8 Units |
|---|
| Street Address | 508 LYON AVE |
|---|---|
| City | BIG STONE CITY |
| State | SD |
| Zip | 57216-2217 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | CONSOLIDATED PLAT LOTS 15-18 BLOCK 18 |
| Legal Block | 18 |
| Legal Lot Number | 15-18 |
| Jurisdiction | GRANT SD |
| Township / Civil Division | BIG STONE CITY |
| Census Block Group | 1 |
| Census Block | 1037 |
| Census Tract | 953100 |
Source: Grant County records, as of August 10, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 630 WESTERN AVE, BROOKINGS, SD 57006-1102 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Grant County assessment roll, as of August 10, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Grant County |
| Municipality | Big Stone City |
| Unified School District | Big Stone City School District 25-1 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $220,702 (+1%) Land $8,620 Building $212,082 | |
| 2025 | $3,257.00 | $200,638 (+36.85%) Land $7,836 Building $192,802 |
| 2023 | $146,612 Land $5,726 Building $140,886 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective March 27, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 9 (1997–2010) |
| Claims Outside the SFHA | 1 of 9 |
| Most Recent Claim | Mar 2010 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 95% of the US · lower than 92% of South Dakota |
|---|---|
| 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 | BIG STONE CITY serves 412 people · EPA ID SD4600007 |
|---|---|
| Water Source | Purchased groundwater from GRANT-ROBERTS RURAL WATER SYSTEM |
| Last State Inspection | Oct 2023 |
| 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 45 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable | 1,250 / 60 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
5G (outdoors only) and 4G LTE
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