Pennington County property record for 421 Diamond Ridge Blvd, Rapid City, SD 57703
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 988 sqft · built 2022 |
| Lot Size | 0.15 acres (6,534 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,859 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 38-04-155-006 |
| Primary APN | 38-04-155-006 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 988 sqft Living Area |
| Basement Area | 988 sqft |
| Finished Basement | 960 sqft |
| Year Built | Built 2022 |
|---|---|
| Effective Year Built | Effective 2022 |
| Architectural Style | Ranch |
| Lot Area | 6,534 sqft (0.15 acres) |
| Garage Type | Attached |
| Garage Area | 410 sqft |
| Porch | Slab |
| Porch Area | 66 sqft |
| Patio Area | 22 sqft |
| Account Number | 71963 |
|---|---|
| Street Address | 421 DIAMOND RIDGE BLVD |
| City | RAPID CITY |
| State | SD |
| Zip | 57703-6968 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | DIAMOND RIDGE SUBD, BLOCK 7, LOT 6 |
| Legal Subdivision | DIAMOND RIDGE SUBD |
| Legal Block | 7 |
| Legal Lot Number | 6 |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | RAPID CITY |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 10906 |
421 Diamond Ridge Blvd is owned and occupied by two individuals.
Source: Pennington County records, as of September 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 421 DIAMOND RIDGE BLVD, RAPID CITY, SD 57703-6968 |
| 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 | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 421 Diamond Ridge Blvd was $3,859.
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 | $352,300 (-) Land $60,300 Building $292,000 | |
| 2025 | $3,859.00 | $352,300 Land $60,300 Building $292,000 |
| 2023 | $3,887.00 (+471.62%) | $341,100 Land $49,000 Building $292,100 |
| 2022 | $680.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 421 Diamond Ridge Blvd in Zone X, an area of minimal flood risk.
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 | 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.
Wildfire risk around 421 Diamond Ridge Blvd is moderate, ranking above 66% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 66% of the US · above 74% 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: FCC Broadband Data Collection, based on 379 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 |
| CenturyLink Fiber | 1,000 / 1,000 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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