Union County property record for 510 Ofstad St, Alcester, SD 57001
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1,048 sqft · built 1927 |
| Lot Size | 0.36 acres (15,700 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,183 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 01.03.02.1000 |
| Primary APN | 01.03.02.1000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Stories | 1 Story |
| Building Area | 1,048 sqft Living Area |
| Gross Area | 1,064 sqft |
| Basement Area | 832 sqft |
| Year Built | Built 1927 |
|---|---|
| Effective Year Built | Effective 1927 |
| Exterior Material | Aluminum/Vinyl |
| Roof Material | Composition Shingle |
| Lot Area | 15,700 sqft (0.36 acres) |
| Lot Dimensions | 100 ft deep x 157 ft wide |
| Porch | Porch |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 510 OFSTAD ST |
|---|---|
| City | ALCESTER |
| State | SD |
| Zip | 57001-2222 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 1-2 BLK 2 OFSTAD & SVARRY'S ADD ALC CITY |
| Legal Subdivision | OFSTAD & SVARRY'S ADD |
| Legal Block | 2 |
| Legal Lot Number | 1-2 |
| Legal Unit | 2 |
| Jurisdiction | UNION SD |
| Township / Civil Division | ALCESTER |
| Census Block Group | 3 |
| Census Block | 3014 |
| Census Tract | 20100 |
510 Ofstad St is owned and occupied by two individuals.
Source: Union County records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 510 OFSTAD ST, ALCESTER, SD 57001-2222 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 510 Ofstad St was $1,183, down 11.7% from the year before.
Source: Union County assessment roll, as of October 6, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| Municipality | Alcester City |
| County | Union County |
| Unified School District | Alcester-Hudson School District 61-1 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,183.00 (-11.65%) | $66,915 (-) Land $22,124 Building $44,791 |
| 2025 | $1,339.00 (+8.16%) | $66,915 Land $22,124 Building $44,791 |
| 2024 | $1,238.00 (+12.55%) | |
| 2023 | $1,100.00 (+30.02%) | $48,705 Land $13,171 Building $35,534 |
| 2022 | $846.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 510 Ofstad St 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 31, 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 |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 510 Ofstad St is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 90% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.02% 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 | ALCESTER serves 820 people · EPA ID SD4600004 |
|---|---|
| Water Source | Purchased groundwater from SOUTH LINCOLN RURAL WATER SYSTEM |
| Last State Inspection | Apr 2026 |
| Lead | 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 69 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Alliance Communications Cooperative Fiber | 1,000 / 1,000 |
| Bluepeak Cable | 1,000 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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