St. Louis County property record for 321 W Superior St, Duluth, MN 55802
| Property Type | Commercial |
|---|---|
| Details | 7,000 sqft · built 1909 |
| Lot Size | 0.08 acres (3,516 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $8,182 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 010-0920-00490 |
| Primary APN | 010-0920-00490 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 7,000 sqft Gross Area |
| 1st Floor Area | 3,500 sqft |
| Basement Area | 960 sqft |
| Unfinished Basement | 960 sqft |
| Flooring | Carpet |
| Fire Sprinklers | Fire Sprinklers |
| Elevator | Elevator |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1988 |
| Exterior Material | Brick Veneer |
| Lot Area | 3,516 sqft (0.08 acres) |
| Cooling System | Evaporative |
|---|---|
| Heating Fuel | Gas |
| Account Number | 1151514 |
|---|---|
| Street Address | 321 W SUPERIOR ST |
| City | DULUTH |
| State | MN |
| Zip | 55802-1608 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | W 1/2 SERIAL # |
| Legal Subdivision | DULUTH PROPER 1ST DIV WEST SUP |
| Legal Lot Number | 57 |
| Jurisdiction | ST LOUIS MN |
| Township / Civil Division | DULUTH |
| Census Block Group | 1 |
| Census Block | 1044 |
| 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.
Source: St. Louis County records, as of August 17, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 321 W SUPERIOR ST, DULUTH, MN 55802-1608 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
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 | $8,182.00 (+2.48%) | ||
| 2025 | $7,984.00 (+3.69%) | $330,000 (-) Land $99,800 Building $230,200 | $330,000 (-) Land $99,800 Building $230,200 |
| 2024 | $7,700.00 | $330,000 (+5.16%) Land $99,800 Building $230,200 | $330,000 (+5.16%) Land $99,800 Building $230,200 |
| 2022 | $313,800 Land $94,500 Building $219,300 | $313,800 Land $94,500 Building $219,300 |
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 March 24, 2025 · 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 |
| 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 | 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 357 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 |
May also be available: Airfiber, AT&T, Fidium Fiber.
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