Minnehaha County property record for 509 S Discovery Ave, Sioux Falls, SD 57106
| Property Type | City, Municipal, Town, Village Owned (Exempt) |
|---|---|
| Lot Size | 3.12 acres (135,907 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-21-22-210-001-000 |
| Primary APN | 01-21-22-210-001-000 |
|---|---|
| Alternative APN |
|
| Plumbing Fixtures | 13 Plumbing Fixtures |
|---|---|
| Stories | 2 Stories |
| Lot Area | 135,907 sqft (3.12 acres) |
|---|
| Account Number | 77900 |
|---|---|
| Street Address | 509 S DISCOVERY AVE |
| City | SIOUX FALLS |
| State | SD |
| Zip | 57106 |
| Property Category | Public Works |
| Property Type | Public Works > City, Municipal, Town, Village Owned (Exempt) |
| Local Zoning Code | FP;FP |
| Legal Description | TRACT A (DRAINAGE EASEMENT) ROCKY RIDGE ADDN TO CITY OF SIOUX FALLS |
| Legal Subdivision | ROCKY RIDGE ADDN |
| Legal Tract | A |
| Jurisdiction | MINNEHAHA SD |
| Township / Civil Division | SIOUX FALLS |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 1111 |
509 S Discovery Ave, a public works property, is owned by a company.
Source: Minnehaha County records, as of July 16, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 224 W 9TH ST, SIOUX FALLS, SD 57104-6407 |
| Owner Type | Company |
| Vesting | Government |
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 |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Minnehaha County assessment roll, as of July 16, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Minnehaha County |
| Municipality | Sioux Falls City |
| Unified School District | Sioux Falls School District 49-5 (PK - 12) |
FEMA maps place 509 S Discovery Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective May 2, 2024 · 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 | 1 (2019) |
| Most Recent Claim | Mar 2019 · Severe Winter Storm, Snowstorm, 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.
Wildfire risk around 509 S Discovery Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 95% of the US · lower than 92% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.02% 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 | SIOUX FALLS serves 216,462 people · EPA ID SD4600294 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2025 |
| Also Mapped Here | MINNEHAHA COMMUNITY WATER CORP |
| Lead | 3 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 514 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable | 2,000 / 1,000 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
May also be available: CenturyLink, Verizon.
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