Day County property record for 268 Slowacki Ave, Grenville, SD 57239
| Property Type | Other Improved |
|---|---|
| Lot Size | 6 acres (261,360 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $842 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 73.01.1115 |
| Primary APN | 73.01.1115 |
|---|
| Lot Area | 261,360 sqft (6 acres) |
|---|
| Street Address | 268 SLOWACKI AVE |
|---|---|
| City | GRENVILLE |
| State | SD |
| Zip | 57239 |
| Property Category | Other |
| Property Type | Other > Other Improved |
| Legal Description | LOTS 15 THRU 17, BLK 11 ORIGINAL PLOT |
| Legal Subdivision | GREN TOWN |
| Legal Block | 11 |
| Legal Lot Number | 15-17 |
| Jurisdiction | DAY SD |
| Township / Civil Division | GRENVILLE |
| Census Block Group | 1 |
| Census Block | 1365 |
| Census Tract | 952900 |
Source: Day County assessment roll, as of January 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 135, GRENVILLE, SD 57239-0135 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Day County assessment roll, as of January 5, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Day County |
| Municipality | Grenville Town |
| Unified School District | Webster School District 18-5 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $108,935 (+18%) Land $16,396 Building $92,539 | |
| 2025 | $92,318 (+20.02%) Land $13,895 Building $78,423 | |
| 2023 | $842.00 (+9.21%) | $76,917 (-) Land $8,125 Building $68,792 |
| 2022 | $76,917 Land $8,125 Building $68,792 | |
| 2021 | $771.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective March 14, 2024 · 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 | 3 in force |
| Nearby Flood Claims | 80 (1995–2011) |
| Claims Outside the SFHA | 40 of 80 |
| Most Recent Claim | Jul 2011 · 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 80% of the US · lower than 85% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | GRENVILLE serves 48 people · EPA ID SD4600146 |
|---|---|
| Water Source | Purchased surface water from WEB WATER DEVELOPMENT ASSOCIATION |
| Last State Inspection | Nov 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 | 1 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 23 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Venture Communications Cooperative Fiber | 1,000 / 1,000 |
May also be available: Verizon.
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