Pennington County property record for 318 Saint Onge St, Rapid City, SD 57702
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 2 ba · 1,104 sqft · built 1947 |
| Lot Size | 0.14 acres (6,098 sqft) |
| Owner | Company Name on File |
| Last Sale | $310,000 (Sep 2022) |
| Tax Bill | $4,278 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 20-34-359-007 |
| Primary APN | 20-34-359-007 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,104 sqft Total Area |
| Basement Area | 1,062 sqft |
| Finished Basement | 1,056 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Bungalow |
| Lot Area | 6,098 sqft (0.14 acres) |
| Deck Area | 25 sqft |
| Account Number | 23912 |
|---|---|
| Street Address | 318 SAINT ONGE ST |
| City | RAPID CITY |
| State | SD |
| Zip | 57702-8158 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | GREEN ACRES, BLOCK 9, LOT 17 - 18 |
| Legal Subdivision | GREEN ACRES |
| Legal Block | 9 |
| Legal Lot Number | 17-18 |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | RAPID CITY |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 11200 |
318 Saint Onge St, a duplex, is owned by a company that bought it in September 2022.
Source: Pennington County records, as of September 28, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 405 MILLSTONE WAY, RAPID CITY, SD 57701-2348 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 13, 2022 · Amount on File |
| Deed Sale | Sep 13, 2022 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 318 Saint Onge St was $4,278.
Source: Pennington County assessment roll, as of September 14, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Pennington County |
| Municipality | Rapid City |
| Unified School District | Rapid City School District 51-4 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $320,500 (-) Land $34,600 Building $285,900 | |
| 2025 | $4,278.00 | $320,500 Land $34,600 Building $285,900 |
| 2023 | $3,477.00 (+1.52%) | $245,800 Land $31,400 Building $214,400 |
| 2022 | $3,425.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 318 Saint Onge St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1997.
Source: FEMA National Flood Hazard Layer, effective June 11, 2026 · 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (1997–1999) |
| Most Recent Claim | Jun 1999 · 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.
The area around 318 Saint Onge St 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 | RAPID CITY serves 72,009 people · EPA ID SD4600406 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2024 |
| Lead | 6 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 79 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable | 1,250 / 60 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
| Wisp West Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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