Pennington County property record for 312 Main St, Rapid City, SD 57701
| Property Type | Office Building |
|---|---|
| Details | 10,100 sqft · built 1928 |
| Lot Size | 0.24 acres (10,454 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $14,682 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 37-01-130-006 |
| Primary APN | 37-01-130-006 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 10,100 sqft Total Area |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1928 |
| Lot Area | 10,454 sqft (0.24 acres) |
| Account Number | 37349 |
|---|---|
| Street Address | 312 MAIN ST |
| City | RAPID CITY |
| State | SD |
| Zip | 57701-2838 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Legal Description | ORIGINAL TOWN OF RAPID CITY, BLOCK 77, E10' OF N20' OF LOT 24-25 LESS W1.5' OFS120'; ALL OF LOT 26-27 |
| Legal Subdivision | ORIGINAL TOWN OF RAPID CITY |
| Legal Block | 77 |
| Legal Lot Number | 24-27 |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | RAPID CITY |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 10202 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | Rapid City Laundry listed 1995 · 1 contributing resources · NRIS 95000767 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Pennington County records, as of September 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 410 4TH ST, RAPID CITY, SD 57701-2870 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | $1,032,800 (-) Land $157,800 Building $875,000 | |
| 2025 | $14,682.00 (+2.6%) | $1,032,800 (+2.13%) Land $157,800 Building $875,000 |
| 2023 | $14,310.00 (-4.14%) | $1,011,300 Land $157,800 Building $853,500 |
| 2022 | $14,928.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 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.
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 78 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable · Fiber in parts of the area | 2,000 / 1,000 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Bluepeak, T-Mobile, Verizon.
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