St. Louis County property record for 21 W Superior St, Duluth, MN 55802
| Property Type | Commercial |
|---|---|
| Details | 35,000 sqft · built 1905 |
| Lot Size | 0.143 acres (6,242 sqft) |
| Owner | Company Name on File |
| Tax Bill | $99,076 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 010-0920-00120 |
| Primary APN | 010-0920-00120 |
|---|---|
| Alternative APN |
|
| Units | 5 Units |
|---|---|
| Stories | 5 Stories |
| Building Area | 35,000 sqft Gross Area |
| 1st Floor Area | 7,000 sqft |
| Basement Area | 7,000 sqft |
| Unfinished Basement | 7,000 sqft |
| Flooring | Carpet |
| Fire Sprinklers | Fire Sprinklers |
| Elevator | Elevator |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 1975 |
| Exterior Material | Brick Veneer |
| Lot Area | 6,242 sqft (0.143 acres) |
| Cooling System | Package A/C |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 1039015 |
|---|---|
| Street Address | 21 W SUPERIOR ST |
| City | DULUTH |
| State | MN |
| Zip | 55802-2085 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | LOT 11 EX THAT PART BEG AT SW CORNER OFSAID LOT THENCE NE ALONG S LINE .20 FTTHENCE LEFT 89 DEG 57 MIN 42 SEC 140.01FT TO PT |
| Legal Subdivision | DULUTH PROPER 1ST DIV WEST SUP |
| Legal Lot Number | 11 |
| Jurisdiction | ST LOUIS MN |
| Township / Civil Division | DULUTH |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 1900 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Duluth Commercial Historic District (additional Documentation) listed 2006 · 86 contributing resources · NRIS 06000455 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
21 W Superior St, a commercial property, is owned by a company.
Source: St. Louis County records, as of August 17, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 30 W SUPERIOR ST, DULUTH, MN 55802-2191 |
| Owner Type | Company |
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 | Sep 20, 2026 |
The 2026 property tax bill for 21 W Superior St was $99,076.
Source: St. Louis County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Minnesota |
| County | St. Louis County |
| Municipality | Duluth City |
| Unified School District | Duluth Public School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $99,076.00 | ||
| 2025 | $3,281,300 (-) Land $251,200 Building $3,030,100 | $3,281,300 (-) Land $251,200 Building $3,030,100 | |
| 2024 | $96,924.00 | $3,281,300 Land $251,200 Building $3,030,100 | $3,281,300 Land $251,200 Building $3,030,100 |
| 2022 | $2,734,600 Land $209,400 Building $2,525,200 | $2,734,600 Land $209,400 Building $2,525,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 W Superior St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective March 24, 2025
| 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.
The area around 21 W Superior St 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 | Duluth serves 86,859 people · EPA ID MN1690011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| Lead | 8 ppb (2023–2025) action level 15 ppb |
| Water Quality | Turbidity resolved · Oct 2017 |
|---|---|
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 207 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Airfiber, CenturyLink, Fidium Fiber, T-Mobile.
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