Pennington County property record for 509 Topaz Ln, Rapid City, SD 57701
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 2 ba · 1,080 sqft · built 2019 |
| Lot Size | 0.15 acres (6,534 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $2,804 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 38-19-104-033 |
| Primary APN | 38-19-104-033 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,080 sqft Living Area |
| Year Built | Built 2019 |
|---|---|
| Effective Year Built | Effective 2019 |
| Architectural Style | Ranch |
| Lot Area | 6,534 sqft (0.15 acres) |
| Garage Type | Attached |
| Garage Area | 286 sqft |
| Porch | Slab |
|---|---|
| Porch Area | 116 sqft |
| Deck Area | 42 sqft |
| Patio Area | 116 sqft |
| Account Number | 70977 |
|---|---|
| Street Address | 509 TOPAZ LN |
| City | RAPID CITY |
| State | SD |
| Zip | 57701-6333 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | GEMSTONE SUBD, BLOCK 2, LOT 6B |
| Legal Subdivision | GEMSTONE SUBD |
| Legal Block | 2 |
| Legal Lot Number | 6B |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | RAPID CITY |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 10905 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 509 TOPAZ LN, RAPID CITY, SD 57701-6333 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| 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 | $255,500 (-) Land $46,000 Building $209,500 | |
| 2025 | $2,804.00 (+0.43%) | $255,500 (+4.5%) Land $46,000 Building $209,500 |
| 2023 | $2,792.00 (+5.32%) | $244,500 Land $44,000 Building $200,500 |
| 2022 | $2,651.00 |
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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (2013–2019) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | May 2019 · Severe Storms And 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 64% of the US · above 69% 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: 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 56 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 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
May also be available: CenturyLink.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures