Hamlin County property record for 18506 443rd Ave, Vienna, SD 57271
| Property Type | Single Family Home |
|---|---|
| Details | built 1900 |
| Lot Size | 160 acres (6,969,600 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $5,554 (2025) |
| APN | 1789 |
| Primary APN | 1789 |
|---|
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Lot Area | 6,969,600 sqft (160 acres) |
| Street Address | 18506 443RD AVE |
|---|---|
| City | VIENNA |
| State | SD |
| Zip | 57271-5409 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ADDITION: 0 SECTION/LOT:8 RANGE:54 TWP/BLOCK:114 QUARTER:0 SIXTEENTH:0 SPLIT:047 ACRES/LOT:160.00 NW4: OPDAHL TOWNSHIP |
| Legal Range | 54 |
| Legal Township | 114 |
| Legal Section | 08 |
| Legal Block | 114 |
| Jurisdiction | HAMLIN SD |
| Township / Civil Division | OPDAHL |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 955200 |
18506 443rd Ave is owner-occupied and held in a trust.
Source: Hamlin County records, as of August 18, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 18506 443RD AVE, VIENNA, SD 57271-5409 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
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 | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 18506 443rd Ave was $5,554.
Source: Hamlin County assessment roll, as of September 30, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Hamlin County |
| County Subdivision | Opdahl Township |
| Unified School District | Hamlin School District 28-3 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $833,668 (+2.93%) Land $448,112 Building $385,556 | $843,668 (+2.9%) Land $448,112 Building $395,556 | |
| 2025 | $5,554.00 | $809,919 Land $424,363 Building $385,556 | $819,919 Land $424,363 Building $395,556 |
| 2023 | $741,526 Land $365,946 Building $375,580 | ||
| 2022 | $5,997.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 18506 443rd Ave.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
The area around 18506 443rd Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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, as of December 31, 2025
5G (outdoors only) and 4G LTE
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