Minnehaha County property record for 924 S Williams Ave, Sioux Falls, SD 57104
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,331 sqft · built 1950 |
| Lot Size | 0.197 acres (8,603 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,801 (2025) |
| Deeds & Mortgages | Oct 2019 Reverse Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-22-19-255-014-000 |
| Primary APN | 01-22-19-255-014-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 7 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,331 sqft Finished Area |
| Gross Area | 975 sqft |
| 1st Floor Area | 768 sqft |
| Upper Floors Area | 207 sqft |
| Basement Area | 768 sqft |
| Finished Basement | 384 sqft |
| Game Room | Game Room |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Conventional |
| Exterior Material | Other |
| Construction Type | Frame |
| Foundation Type | Raised |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 8,603 sqft (0.197 acres) |
| Lot Dimensions | 158 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 768 sqft |
| Parking Spaces | 3 Parking Spaces |
| Deck Area | 62 sqft |
| Patio Area | 613 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 52952 |
|---|---|
| Street Address | 924 S WILLIAMS AVE |
| City | SIOUX FALLS |
| State | SD |
| Zip | 57104-4427 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 14 BLOCK 4 WESTMOOR ADDN TO CITY OF SIOUX FALLS |
| Legal Subdivision | WESTMOOR ADDN |
| Legal Block | 4 |
| Legal Lot Number | 14 |
| Jurisdiction | MINNEHAHA SD |
| Township / Civil Division | SIOUX FALLS |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 1200 |
924 S Williams Ave is owned and occupied by an individual.
Source: Minnehaha County records, as of September 23, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 924 S WILLIAMS AVE, SIOUX FALLS, SD 57104-4427 |
| Occupancy | Owner Occupied |
| 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 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MINNEHAHA SD |
| Property Address | 924 S WILLIAMS AVE, SIOUX FALLS, SD 57104-4427 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1869MTG/0486 |
|---|---|
| Date | Oct 16, 2019 |
| Book Page | 1869 MTG/0486 |
| Name | OPEN MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | AUSTIN, TX 78737 |
| Type | Reverse Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 935 Months |
| Due | Sep 9, 2097 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.35% |
| Type Change Date | Nov 1, 2020 |
| Change Frequency | Annually |
| Min Rate At Change | 2% |
| Max Rate At Change | 5% |
| Index | 1-Year LIBOR |
The 2025 property tax bill for 924 S Williams Ave was $1,801.
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 | $257,634 (+6.42%) Land $32,241 Building $225,393 | $257,634 Land $32,241 Building $225,393 | |
| 2025 | $1,801.00 | $242,100 (+3.37%) Land $32,600 Building $209,500 | |
| 2024 | $1,801.00 | $234,200 Land $32,600 Building $201,600 | |
| 2022 | $1,973.00 | $210,300 Land $35,200 Building $175,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 924 S Williams Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2010.
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 |
| Nearby Flood Claims | 1 (2010) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jul 2010 · 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.
The area around 924 S Williams Ave 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 | 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 566 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Bluepeak Fiber · Cable in parts of the area | 5,000 / 5,000 |
| Midco Cable | 1,250 / 60 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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