Minnehaha County property record for 510 E 21st St, Sioux Falls, SD 57105 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 4 ba · 2,252 sqft · built 1919 |
| Lot Size | 0.172 acres (7,501 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $8,447 (2025) |
| Deeds & Mortgages | Jul 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-22-21-406-005-000 |
| Primary APN | 01-22-21-406-005-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Half Baths | 2 Half Baths |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,252 sqft Finished Area |
| Gross Area | 1,996 sqft |
| 1st Floor Area | 1,076 sqft |
| Upper Floors Area | 920 sqft |
| Basement Area | 880 sqft |
| Finished Basement | 36 sqft |
| Game Room | Game Room |
| Flooring | Hardwood |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1919 |
|---|---|
| Effective Year Built | Effective 1919 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Foundation Type | No Foundation |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,501 sqft (0.172 acres) |
| Lot Dimensions | 150 ft deep x 25 ft wide |
| Garage Type | Detached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Patio Area | 252 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 26901 |
|---|---|
| Street Address | 510 E 21ST ST |
| City | SIOUX FALLS |
| State | SD |
| Zip | 57105-2036 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N12 4 & E13 S12 4 & E13 5 & 6 BLOCK 19 BOULEVARD ADDN TO CITY OF SIOUX FAL LS |
| Legal Subdivision | BOULEVARD ADDN |
| Legal Block | 19 |
| Legal Lot Number | 6 |
| Jurisdiction | MINNEHAHA SD |
| Township / Civil Division | SIOUX FALLS |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 1600 |
Source: Minnehaha County records · APN 01-22-21-406-005-000
Assessment roll updated July 16, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 510 E 21ST ST, SIOUX FALLS, SD 57105-2036 |
| Owner Type | Company |
| Vesting | Trust, Corporate Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MINNEHAHA SD |
| Property Address | 510 E 21ST ST, SIOUX FALLS, SD 57105-2036 |
| Transaction Type | Mortgage |
| Record Updated | Sep 15, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1863MTG/456 |
|---|---|
| Date | Jul 24, 2019 |
| Book Page | 1863 MTG/456 |
| Name | AMERICAN BANK & TRUST CO |
|---|---|
| Type | Bank |
| Address | HURON, SD 57350 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2049 |
Source: Minnehaha County records · Assessment roll updated July 16, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Minnehaha County |
| Municipality | Sioux Falls City |
| Unified School District | Sioux Falls School District 49-5 (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $8,447.00 | $636,700 (-3.68%) Land $70,700 Building $566,000 |
| 2024 | $8,447.00 (+26.87%) | $661,000 (+46.6%) Land $70,700 Building $590,300 |
| 2022 | $6,658.00 | $450,900 Land $70,700 Building $380,200 |
Source: FEMA National Flood Hazard Layer, Minnehaha County (46099C), updated May 2, 2024 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026
| Historic District | Within the McKennan Park Historic Increase (Boundary Increase) listed 2003 · 67 contributing resources · NRIS 02001767 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 409 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Midcontinent Communications | Fiber | 5,000 / 5,000 |
| Clarity Telecom | Fiber | 5,000 / 5,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
May also be available at this address: Midcontinent Communications. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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