Pennington County property record for 521 Franklin St, Rapid City, SD 57701
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 3 ba · 1,238 sqft · built 1928 |
| Lot Size | 0.19 acres (8,276 sqft) |
| Owner | Company Name on File |
| Last Sale | $197,000 (Aug 2022) |
| Tax Bill | $3,005 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 37-01-356-001 |
| Primary APN | 37-01-356-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,238 sqft Total Area |
| Basement Area | 615 sqft |
| Finished Basement | 615 sqft |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1928 |
| Architectural Style | Duplex Single |
| Lot Area | 8,276 sqft (0.19 acres) |
| Porch | Porch |
| Porch Area | 56 sqft |
| Deck Area | 36 sqft |
| Account Number | 23441 |
|---|---|
| Street Address | 521 FRANKLIN ST |
| City | RAPID CITY |
| State | SD |
| Zip | 57701-4682 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | FLORMANN, BLOCK 23, LOT 19-20 & E10' OF 6TH ST ADJACENT TO LOT 19 |
| Legal Subdivision | FLORMANN |
| Legal Block | 23 |
| Legal Lot Number | 19-20 |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | RAPID CITY |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 10800 |
521 Franklin St, a duplex, is owned by a company that bought it in August 2022.
Source: Pennington County records, as of September 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2525 W CHICAGO ST, RAPID CITY, SD 57702-2471 |
| Owner Type | Company |
| Vesting | Company |
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 |
|---|---|
| Last Sale | Aug 16, 2022 · Amount on File |
| Deed Sale | Aug 16, 2022 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 521 Franklin St was $3,005.
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 | $224,200 (-) Land $49,400 Building $174,800 | |
| 2025 | $3,005.00 | $224,200 Land $49,400 Building $174,800 |
| 2023 | $3,054.00 (-11.63%) | $215,300 Land $47,000 Building $168,300 |
| 2022 | $3,456.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 521 Franklin St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1982.
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 |
| Nearby Flood Claims | 2 (1982) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Aug 1982 · tidal / storm surge |
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 521 Franklin 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 511 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 / 350 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T.
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