Pennington County property record for 3100 Obrien St, Rapid City, SD 57703
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,158 sqft · built 1991 |
| Lot Size | 0.19 acres (8,276 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,502 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 38-10-455-008 |
| Primary APN | 38-10-455-008 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,158 sqft Living Area |
| Basement Area | 988 sqft |
| Finished Basement | 740 sqft |
| Unfinished Basement | 232 sqft |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | Bi-Level |
| Lot Area | 8,276 sqft (0.19 acres) |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Porch | Slab |
|---|---|
| Porch Area | 192 sqft |
| Deck Area | 48 sqft |
| Patio Area | 192 sqft |
| Account Number | 44611 |
|---|---|
| Street Address | 3100 OBRIEN ST |
| City | RAPID CITY |
| State | SD |
| Zip | 57703-6428 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRAILWOOD VILLAGE, BLOCK 5, LOT 18 |
| Legal Subdivision | TRAILWOOD VILLAGE |
| Legal Block | 5 |
| Legal Lot Number | 18 |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | CENTRAL PENNINGTON |
| Census Block Group | 3 |
| Census Block | 3031 |
| Census Tract | 10906 |
3100 Obrien St is owned and occupied by an individual.
Source: Pennington County records, as of September 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3100 OBRIEN ST, RAPID CITY, SD 57703-6428 |
| Occupancy | Owner Occupied |
| 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 | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3100 Obrien St was $3,502.
Source: Pennington County assessment roll, as of September 14, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Pennington County |
| Unified School District | Rapid City School District 51-4 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $347,400 (-) Land $57,000 Building $290,400 | |
| 2025 | $3,502.00 | $347,400 Land $57,000 Building $290,400 |
| 2023 | $3,578.00 (+13.01%) | $338,200 Land $47,500 Building $290,700 |
| 2022 | $3,166.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3100 Obrien St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective June 11, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 3100 Obrien St is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.02% 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 | RAPID VALLEY SANITARY DISTRICT serves 11,408 people · EPA ID SD4600274 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2025 |
| Lead | 3 ppb (2024) 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 518 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable | 2,000 / 1,000 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
May also be available: Verizon.
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