Minnehaha County property record for 521 S Spring Ave, Sioux Falls, SD 57104
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 1,510 sqft · built 1909 |
| Lot Size | 0.115 acres (5,001 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $3,289 (2025) |
| Deeds & Mortgages | May 2014 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-22-20-236-017-000 |
| Primary APN | 01-22-20-236-017-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Plumbing Fixtures | 20 Plumbing Fixtures |
| Total Rooms | 15 Rooms |
| Stories | 2 Stories |
| Building Area | 1,510 sqft Finished Area |
| 1st Floor Area | 782 sqft |
| Upper Floors Area | 728 sqft |
| Basement Area | 728 sqft |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1909 |
| Architectural Style | Conventional |
| Exterior Material | Other |
| Construction Type | Frame |
| Foundation Type | Stone |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,001 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 240 sqft |
| Deck Area | 112 sqft |
| Patio Area | 112 sqft |
| Cooling System | None |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 34051 |
|---|---|
| Street Address | 521 S SPRING AVE |
| City | SIOUX FALLS |
| State | SD |
| Zip | 57104-4351 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | E 100` 7 BLOCK 5 GRIGSBY`S ADDN TO CITY OF SIOUX FALLS |
| Legal Subdivision | GRIGSBY`S ADDN |
| Legal Block | 5 |
| Legal Lot Number | 7 |
| Jurisdiction | MINNEHAHA SD |
| Township / Civil Division | SIOUX FALLS |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 702 |
Source: Minnehaha County records, as of September 23, 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 | 27249 REGAL CT, HARRISBURG, SD 57108-8364 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MINNEHAHA SD |
| Property Address | 521 S SPRING AVE, SIOUX FALLS, SD 57104-4351 |
| Transaction Type | Mortgage |
| Record Updated | May 12, 2026 |
| Name | Verified Name |
|---|---|
| Investor | Possibly a Property Investor |
| Document Number | 001756/484 |
|---|---|
| Date | May 16, 2014 |
| Book Page | 1756/484 |
| Instrument | 409272 |
| Name | FIRST SAVINGS BANK |
|---|---|
| Type | Seller |
| Address | SIOUX FALLS, SD 57103 |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | May 8, 2029 |
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 | $198,200 (-) Land $22,500 Building $175,700 | $198,200 Land $22,500 Building $175,700 | |
| 2025 | $3,289.00 | $198,200 (-4.85%) Land $22,500 Building $175,700 | |
| 2024 | $3,289.00 (+71.12%) | $208,300 (+107.47%) Land $22,500 Building $185,800 | |
| 2022 | $1,922.00 | $100,400 Land $18,900 Building $81,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 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 637 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Midco.
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