Hamlin County property record for 46406 185th St, Castlewood, SD 57223
| Property Type | Agricultural Vacant Land |
|---|---|
| Details | built 1942 |
| Lot Size | 144 acres (6,280,045 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,073 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1134 |
| Primary APN | 1134 |
|---|
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1942 |
| Lot Area | 6,280,045 sqft (144 acres) |
| Street Address | 46406 185TH ST |
|---|---|
| City | CASTLEWOOD |
| State | SD |
| Zip | 57223-5723 |
| Property Category | Agriculture or Farming |
| Property Type | Vacant Land > Agricultural |
| Legal Description | ADDITION: 0 SECTION/LOT:2 RANGE:51 TWP/BLOCK:114 QUARTER:0 SIXTEENTH:0 SPLIT:016 ACRES/LOT:144.17 SW4 - LESS BRUINSMA |
| Legal Range | 51 |
| Legal Township | 114 |
| Legal Section | 02 |
| Legal Subdivision | BRUINSMA HOMESTEAD |
| Legal Block | 114 |
| Jurisdiction | HAMLIN SD |
| Township / Civil Division | DEMPSTER |
| Census Block Group | 1 |
| Census Block | 1108 |
| Census Tract | 955100 |
46406 185th St, agricultural vacant land, is owned by two individuals.
Source: Hamlin County records, as of August 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 503 E MAIN ST, CASTLEWOOD, SD 57223-2120 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 46406 185th St was $3,073.
Source: Hamlin County assessment roll, as of September 30, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Hamlin County |
| County Subdivision | Dempster Township |
| Unified School District | Castlewood School District 28-1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $431,104 (-0.93%) Land $431,104 | $431,104 (-0.93%) Land $431,104 | |
| 2025 | $3,073.00 | $435,148 Land $435,148 | $435,148 Land $435,148 |
| 2023 | $378,916 Land $378,916 | ||
| 2022 | $2,950.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 46406 185th St in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 11, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone A, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 3 (1997) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Jul 1997 · rainfall accumulation |
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.
Wildfire risk around 46406 185th St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 96% 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 | SIOUX RURAL WATER SYSTEM private · serves 4,280 people · EPA ID SD4600866 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2025 |
| Lead | 4 ppb (2025) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Apr 2020 |
|---|---|
| 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 1 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| ITC Fiber | 1,000 / 1,000 |
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