Custer County property record for 12145 Knoll Ct, Custer, SD 57730
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,230 sqft · built 2000 |
| Lot Size | 7.02 acres (305,791 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $3,522 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 004911 |
| Primary APN | 004911 |
|---|---|
| Alternative APN |
|
| Full Baths | 2 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 6 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 1,230 sqft Living Area |
| 1st Floor Area | 1,230 sqft |
| Basement Area | 360 sqft |
| Finished Basement | 360 sqft |
| Unfinished Basement | 1,230 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 305,791 sqft (7.02 acres) |
| Deck Area | 300 sqft |
| Cooling System | None |
|---|---|
| Heating System | Radiant |
| Street Address | 12145 KNOLL CT |
|---|---|
| City | CUSTER |
| State | SD |
| Zip | 57730-6100 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NESTLE ROCK SUBD - TR SOWDER(R) SEC 34 T3 R4 7.02 AC ROCKY KNOLLS ROAD DISTRICT 1330403400002400 |
| Legal Range | 04 |
| Legal Township | 03 |
| Legal Section | 34 |
| Legal Subdivision | NESTLE ROCK SUBDIVISION |
| Legal Tract | S |
| Jurisdiction | CUSTER SD |
| Township / Civil Division | WEST CUSTER |
| Census Block Group | 2 |
| Census Block | 2056 |
| Census Tract | 965200 |
Source: Custer County records, as of March 31, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 12145 KNOLL CT, CUSTER, SD 57730-6100 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Custer County assessment roll, as of September 3, 2025
| 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 |
|---|---|---|---|
| 2025 | $3,522.00 (-3.32%) | $468,688 (+11.72%) Land $200,500 Building $268,188 | |
| 2023 | $3,643.00 (-4.43%) | $419,514 Land $170,400 Building $249,114 | |
| 2022 | $371,248 Land $170,400 Building $200,848 | ||
| 2021 | $3,812.00 |
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 X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 6 (1999–2019) |
| Most Recent Claim | Aug 2019 · river or lake flooding |
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 | Moderate above 65% of the US · above 73% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.2% 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 25 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Golden West Telecommunications Fiber | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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