Pennington County property record for 420 Waterloo St, Rapid City, SD 57701 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,475 sqft · built 1945 |
| Lot Size | 0.24 acres (10,454 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,085 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 21-31-329-001 |
| Primary APN | 21-31-329-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Half Baths | 2 Half Baths |
| Building Area | 1,475 sqft Living Area |
| Basement Area | 945 sqft |
| Finished Basement | 945 sqft |
| Unfinished Basement | 945 sqft |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | Bungalow |
| Lot Area | 10,454 sqft (0.24 acres) |
| Porch | Enclosed Porch |
| Porch Area | 28 sqft |
| Account Number | 31105 |
|---|---|
| Street Address | 420 WATERLOO ST |
| City | RAPID CITY |
| State | SD |
| Zip | 57701-1472 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SCHNASSE ADD, BLOCK 19, LOT 9 - 10 |
| Legal Subdivision | SCHNASSE ADD |
| Legal Block | 19 |
| Legal Lot Number | 9-10 |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | RAPID CITY |
| Census Block Group | 4 |
| Census Block | 4021 |
| Census Tract | 10500 |
Source: Pennington County records · APN 21-31-329-001
Assessment roll updated August 26, 2025 · Last verified April 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 File |
|---|---|
| Mailing Address | 22573 SMOKEY RIDGE RD, RAPID CITY, SD 57702-6140 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Pennington County records · Assessment roll updated August 26, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Pennington County |
| Municipality | Rapid City |
| Unified School District | Rapid City School District 51-4 (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $2,085.00 (-0.95%) | $154,500 (+4.82%) Land $44,000 Building $110,500 |
| 2023 | $2,105.00 (+7.12%) | $147,400 Land $33,800 Building $113,600 |
| 2022 | $1,965.00 |
Source: FEMA National Flood Hazard Layer, Pennington County (46103C), updated June 11, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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