Minnehaha County property record for 100 S Main Ave, Sioux Falls, SD 57104
| Property Type | Office Building |
|---|---|
| Details | 16 ba · 52,812 sqft · built 1937 |
| Lot Size | 0.454 acres (19,798 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $57,931 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-22-16-353-001-000 |
| Primary APN | 01-22-16-353-001-000 |
|---|---|
| Alternative APN |
|
| Full Baths | 16 Baths |
|---|---|
| Plumbing Fixtures | 48 Plumbing Fixtures |
| Stories | 2 Stories |
| Building Area | 52,812 sqft Heated Area |
| Gross Area | 35,206 sqft |
| 1st Floor Area | 17,603 sqft |
| Upper Floors Area | 17,603 sqft |
| Basement Area | 17,604 sqft |
| Finished Basement | 16,000 sqft |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Elevator | Elevator |
| Year Built | Built 1937 |
|---|---|
| Effective Year Built | Effective 1988 |
| Exterior Material | Combination |
| Foundation Type | Concrete |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 19,798 sqft (0.454 acres) |
| Lot Dimensions | 150 ft deep x 132 ft wide |
| Patio Area | 2,156 sqft |
| Cooling System | A/C Chilled Water |
|---|---|
| Heating System | HVAC |
| Sewer | Connected |
| Account Number | 43014 |
|---|---|
| Street Address | 100 S MAIN AVE |
| City | SIOUX FALLS |
| State | SD |
| Zip | 57104-6410 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Legal Description | W23 LOT 1 & LOTS 2 & 3 BLOCK 16 J L PHILLIPS ADDN TO CITY OF SIOUX FALLS |
| Legal Subdivision | PHILLIPS ADDN |
| Legal Block | 16 |
| Legal Lot Number | 1-3 |
| Jurisdiction | MINNEHAHA SD |
| Township / Civil Division | SIOUX FALLS |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 701 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Sioux Falls Downtown Historic District listed 1994 · 51 contributing resources · NRIS 94001393 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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 | Company Name on Record |
|---|---|
| Mailing Address | 222 MERCHANDISE MART PLZ, 900, CHICAGO, IL 60654-1105 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | $5,136,200 (+43.29%) Land $307,100 Building $4,829,100 | $5,136,200 Land $307,100 Building $4,829,100 | |
| 2025 | $57,931.00 | $3,584,600 (+13.74%) Land $275,300 Building $3,309,300 | |
| 2024 | $57,931.00 (+9.88%) | $3,151,600 (+8.94%) Land $275,300 Building $2,876,300 | |
| 2022 | $52,723.00 | $2,893,000 Land $257,400 Building $2,635,600 |
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 · 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 | 1 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.
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 201 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable · Fiber in parts of the area | 2,000 / 1,000 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Bluepeak, CenturyLink, Verizon.
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