Minnehaha County property record for 4308 S Key Ave, Sioux Falls, SD 57106
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 988 sqft · built 2002 |
| Lot Size | 0.138 acres (6,024 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,932 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-21-34-425-021-000 |
| Primary APN | 01-21-34-425-021-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 988 sqft Finished Area |
| 1st Floor Area | 952 sqft |
| Basement Area | 952 sqft |
| Finished Basement | 714 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Architectural Style | Duplex Single |
| Exterior Material | Combination |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 6,024 sqft (0.138 acres) |
| Lot Dimensions | 143 ft deep x 42 ft wide |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 40 sqft |
| Deck Area | 182 sqft |
| Patio Area | 286 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 72660 |
|---|---|
| Street Address | 4308 S KEY AVE |
| City | SIOUX FALLS |
| State | SD |
| Zip | 57106-7619 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT A 5 BLOCK 6 SERTOMA HILLS ADDN TO CITY OF SIOUX FALLS |
| Legal Subdivision | SERTOMA HILLS ADDN |
| Legal Tract | A |
| Legal Block | 6 |
| Legal Lot Number | 5 |
| Jurisdiction | MINNEHAHA SD |
| Township / Civil Division | SIOUX FALLS |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 1105 |
4308 S Key Ave, a single family home, is owned by an individual.
Source: Minnehaha County records, as of September 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 512 S HORIZON CIR, SIOUX FALLS, SD 57106-4626 |
| 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 | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4308 S Key Ave was $3,932.
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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $265,900 (+10.93%) Land $25,900 Building $240,000 | $265,900 Land $25,900 Building $240,000 | |
| 2025 | $3,932.00 | $239,700 (-3.62%) Land $25,900 Building $213,800 | |
| 2024 | $3,932.00 | $248,700 Land $25,900 Building $222,800 | |
| 2022 | $3,542.00 | $191,300 Land $25,900 Building $165,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4308 S Key Ave in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 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 4308 S Key Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98% of South Dakota |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | SIOUX FALLS serves 216,462 people · EPA ID SD4600294 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2025 |
| 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 573 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Bluepeak Fiber · Cable | 5,000 / 5,000 |
| Midco Cable · Fiber in parts of the area | 1,250 / 60 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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