Minnehaha County property record for 521 E 21st St, Sioux Falls, SD 57105
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 2,968 sqft · built 1917 |
| Lot Size | 0.499 acres (21,736 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $8,925 (2025) |
| Deeds & Mortgages | Sep 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-22-21-451-020-000 |
| Primary APN | 01-22-21-451-020-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,968 sqft Finished Area |
| Gross Area | 2,944 sqft |
| 1st Floor Area | 1,664 sqft |
| Upper Floors Area | 1,280 sqft |
| Basement Area | 1,064 sqft |
| Finished Basement | 880 sqft |
| Flooring | Hardwood |
| Interior Walls | Plaster |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1917 |
|---|---|
| Effective Year Built | Effective 1917 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Foundation Type | No Foundation |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 21,736 sqft (0.499 acres) |
| Lot Dimensions | 143 ft deep x 152 ft wide |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
|---|---|
| Porch Area | 24 sqft |
| Deck Area | 514 sqft |
| Patio Area | 451 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Steam |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 24957 |
|---|---|
| Street Address | 521 E 21ST ST |
| City | SIOUX FALLS |
| State | SD |
| Zip | 57105-2012 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N3 VAC ALLEY LYING ADJ & ALL LOT 2 & E48 3 BLOCK 1 BAKER`S W. L. ADDN TO CITY OF SIOUX FALLS |
| Legal Subdivision | BAKER`S W. L. ADDN |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | MINNEHAHA SD |
| Township / Civil Division | SIOUX FALLS |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 1600 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the McKennan Park Historic District listed 1984 · 72 contributing resources · NRIS 84003359 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Minnehaha County assessment roll, as of July 16, 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 File |
|---|---|
| Mailing Address | 521 E 21ST ST, SIOUX FALLS, SD 57105-2012 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Sep 5, 2019 |
| Transfer Doc | 591DEED/0583 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MINNEHAHA SD |
| Recording Date | Sep 13, 2019 |
| Property Address | 521 E 21ST ST, SIOUX FALLS, SD 57105-2012 |
| Document Number | 591DEED/0583 |
| Book / Page | 591 DEED / 0583 |
| Instrument Date | Sep 5, 2019 |
| Transaction Type | Transfer |
| Record Updated | Mar 15, 2022 |
| Title Company | STEWART TITLE COMPANY-F, STEWART TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 521 E 21ST ST, SIOUX FALLS, SD 57105-2012 |
| Document Number | 1867MTG0072 |
|---|---|
| Date | Sep 13, 2019 |
| Instrument | 1867 MTG/0072 |
| Name | SIOUX FALLS FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Oct 1, 2034 |
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 |
|---|---|---|
| 2025 | $8,925.00 | $652,200 (-4.8%) Land $140,000 Building $512,200 |
| 2024 | $8,925.00 (+1.83%) | $685,100 (+18.35%) Land $140,000 Building $545,100 |
| 2022 | $8,765.00 | $578,900 Land $140,000 Building $438,900 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective May 2, 2024
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 96% of South Dakota |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 409 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midcontinent Communications Fiber · Cable in parts of the area | 5,000 / 5,000 |
| Clarity Telecom Fiber | 5,000 / 5,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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