Douglas County property record for 509 21st Ave E, Superior, WI 54880 · Last verified April 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bathrooms | 1 Baths |
| Architecture Style | Other |
| Lot Size | 5,140 sqft (0.118 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $1,876.00 (2025) |
| Primary APN | 01-801-01579-00 |
|---|
| Full Baths | 1 Baths |
|---|---|
| Total Rooms | 6 Rooms |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Architectural Style | Other Style |
|---|---|
| Exterior Material | Aluminum/Vinyl Exterior |
| Foundation Type | No Foundation Foundation |
| Lot Area | 5,140 sqft (0.118 acres) |
| Cooling System | None Cooling |
|---|---|
| Heating System | Hot Water Heating |
| Street Address | 509 21ST AVE E |
|---|---|
| City | SUPERIOR |
| State | WI |
| Zip | 54880-3639 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TOWNSITE OF SUPERIOR W 5TH ST REAR 75 FT OF LOT 322, REAR 75 FT OF E'LY 20 FT OF LOT 324, REAR 70 FT OF W'LY 5 FT OF LOT 324 |
| Legal Lot Number | 322,324 |
| Jurisdiction | DOUGLAS WI |
| Minor Civil Division | SUPERIOR |
| Census Blockgroup | 2 |
| Census Block | 2020 |
| Census Tract | 20900 |
Source: Douglas County records · APN 01-801-01579-00
Assessment roll updated April 16, 2026 · Last verified April 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 File |
|---|---|
| Mailing Address | 509 21ST AVE E, SUPERIOR, WI 54880-3639 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Refreshed | Jun 08, 2026 |
Source: Douglas County records · Assessment roll updated April 16, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Douglas County |
| Municipality | Superior City |
| Unified School District | Superior School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,876.00 (+47.25%) | $141,500 (+94.64%) Land $12,000 Building $129,500 | $151,100 (+31.62%) |
| 2023 | $1,274.00 Homeowner's exemption | $72,700 Land $9,200 Building $63,500 | $114,800 |
509 21st Ave E is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · Douglas County (55031C), updated February 2, 2012
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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