Custer County property record for 15740 SD Highway 40, Hermosa, SD 57744
| Property Type | Mobile Home |
|---|---|
| Details | 1 ba · 1,910 sqft · built 1977 |
| Owner | Individual Name on Record |
| Tax Bill | $1,227 (2025) |
| Flood Zone | Zone A (high risk) |
| APN | 011050 |
| Primary APN | 011050 |
|---|---|
| Alternative APN |
|
| Full Baths | 1 Bath |
|---|---|
| Building Area | 986 sqft Living Area |
| 1st Floor Area | 924 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Mobile Home |
| Foundation Type | No Foundation |
| Total Buildings | 2 Buildings |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Street Address | 15740 SD HIGHWAY 40 |
|---|---|
| City | HERMOSA |
| State | SD |
| Zip | 57744-5126 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | N2SE4 (LESS H/R/W) SEC 3 T4 R10 MHBLS - MH AS RE - 1977 MARSHFIELD 14X66 / SITS ON REC #1753 SERIAL # 31562, TITLE # 160601 |
| Legal Range | 10 |
| Legal Township | 04 |
| Legal Section | 03 |
| Jurisdiction | CUSTER SD |
| Township / Civil Division | EAST CUSTER |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 965100 |
Source: Custer County records, as of September 8, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 13756 BORGLUM RD, KEYSTONE, SD 57751-6648 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Custer County assessment roll, as of September 8, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Custer County |
| Unified School District | Custer School District 16-1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $90,290 (+51.82%) Building $90,290 | ||
| 2025 | $1,227.00 (+55.91%) | ||
| 2023 | $59,472 Building $59,472 | ||
| 2022 | $47,036 Building $47,036 | ||
| 2021 | $787.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 21, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone A high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Not determined for this zone |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 25 policies |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 24 (2006–2010) |
| Claims Outside the SFHA | 1 of 24 |
| Most Recent Claim | May 2010 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 88% of the US · above 98% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.6% 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) |
|---|---|
| TSC Fiber | 1,000 / 1,000 |
5G (outdoors only) and 4G LTE
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