Fall River County property record for 10857 US Hwy 18, Edgemont, SD 57735
| Property Type | Single Family Home |
|---|---|
| Details | built 2016 |
| Lot Size | 1.56 acres (67,954 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,918 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 02000-00902-091-10 |
| Primary APN | 02000-00902-091-10 |
|---|
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Lot Area | 67,954 sqft (1.56 acres) |
| Street Address | 10857 US HIGHWAY 18 |
|---|---|
| City | EDGEMONT |
| State | SD |
| Zip | 57735-7008 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NW1/4NE1/4NW1/4NE1/4, LESS OLD R/W LESS NEW R/W SEC 9, TWP 9, RG 2 (1.56 ACRES) |
| Legal Range | 02 |
| Legal Township | 09 |
| Legal Section | 09 |
| Jurisdiction | FALL RIVER SD |
| Township / Civil Division | SOUTHWEST FALL RIVER |
| Census Block Group | 2 |
| Census Block | 2095 |
| Census Tract | 964100 |
10857 US Hwy 18, a single family home, is owned by two individuals.
Source: Fall River County records, as of July 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 717, EDGEMONT, SD 57735-0717 |
| 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 2026 property tax bill for 10857 US Hwy 18 was $1,918, up 0.4% from the year before.
Source: Fall River County assessment roll, as of October 10, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Fall River County |
| Unified School District | Edgemont School District 23-1 (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,918.00 (+0.42%) | $189,745 (+4.23%) Land $23,704 Building $166,041 | $189,745 Land $23,704 Building $166,041 |
| 2025 | $1,910.00 | $182,045 Land $28,692 Building $153,353 | |
| 2023 | $1,894.00 | $178,497 Land $27,533 Building $150,964 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 10857 US Hwy 18 in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective December 16, 2021 · 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 |
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 10857 US Hwy 18 is high, ranking above 73% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 73% of the US · above 83% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.3% 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 | SOUTHERN BLACK HILLS WATER private · serves 947 people · EPA ID SD4602309 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2026 |
| Lead | 2 ppb (2025) 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 1 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Golden West Telecommunications Fiber | 1,000 / 1,000 |
5G (outdoors only) and 4G LTE
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