St. Louis County property record for 421 N 23rd Ave W, Duluth, MN 55806
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,272 sqft · built 1911 |
| Lot Size | 0.08 acres (3,500 sqft) |
| Owner | Individual Name on File |
| Last Sale | $111,900 (Dec 2005) |
| Tax Bill | $1,824 (2026) |
| Deeds & Mortgages | Mar 2026 Line of Credit Oct 2025 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 010-1180-03810 |
| Primary APN | 010-1180-03810 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,272 sqft Gross Area |
| 1st Floor Area | 768 sqft |
| Basement Area | 384 sqft |
| Finished Basement | 384 sqft |
| Year Built | Built 1911 |
|---|---|
| Effective Year Built | Effective 1911 |
| Architectural Style | Bungalow |
| Exterior Material | Other |
| Construction Type | Frame |
| Roof Type | Gable |
| Lot Area | 3,500 sqft (0.08 acres) |
| Pool Type | Spa / Hot Tub (No Pool) |
|---|---|
| Porch | Porch |
| Porch Area | 168 sqft |
| Storage Building | 96 sqft |
| Sauna | Sauna |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Oil |
| Account Number | 794466 |
|---|---|
| Street Address | 421 N 23RD AVE W |
| City | DULUTH |
| State | MN |
| Zip | 55806-1520 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N 35 FT OF S 70 FT OF LOTS 370 AND 372 SERIAL # |
| Legal Subdivision | DULUTH PROPER SECOND DIVISION |
| Legal Block | 122 |
| Legal Lot Number | 370,372 |
| Jurisdiction | ST LOUIS MN |
| Township / Civil Division | DULUTH |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 15600 |
421 N 23rd Ave W is owned and occupied by an individual who bought it in December 2005.
Source: St. Louis County records, as of August 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 421 N 23RD AVE W, DULUTH, MN 55806-1520 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 31, 2026 | Deed of Trust, Mortgage · Line of Credit NORTHERN COMMUNITIES CU |
| Oct 17, 2025 | Deed of Trust, Mortgage HOUSING REDEVELOPMENT AUTHORITY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 1, 2005 · Amount on File |
| Deed Sale | Dec 1, 2005 · Amount on File |
| Deed Document Number | 20051002814 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST LOUIS MN |
| Property Address | 421 N 23RD AVE W, DULUTH, MN 55806-1520 |
| Transaction Type | Mortgage |
| Record Updated | Apr 22, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0001530011 |
|---|---|
| Date | Mar 31, 2026 |
| Instrument | 1530011 |
| Name | NORTHERN COMMUNITIES CU |
|---|---|
| Type | Credit Union |
| Address | DULUTH, MN 55811 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST LOUIS MN |
| Property Address | 421 N 23RD AVE W, DULUTH, MN 55806-1520 |
| Transaction Type | Mortgage |
| Record Updated | Nov 4, 2025 |
| Name | Verified Name |
|---|
| Document Number | 0001520566 |
|---|---|
| Date | Oct 17, 2025 |
| Instrument | 1520566 |
| Name | HOUSING REDEVELOPMENT AUTHORITY |
|---|---|
| Type | Government Agency |
| Address | DULUTH, MN 55816 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Oct 6, 2055 |
The 2026 property tax bill for 421 N 23rd Ave W was $1,824 with a homeowner's exemption, up 15.7% from the year before.
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 | $1,824.00 (+15.74%) Homeowner's exemption | ||
| 2025 | $1,576.00 (+2.34%) Homeowner's exemption | $166,000 (+15.6%) Land $13,200 Building $152,800 | $166,000 (+15.6%) Land $13,200 Building $152,800 |
| 2024 | $1,540.00 | $143,600 Land $15,900 Building $127,700 | $143,600 Land $15,900 Building $127,700 |
| 2022 | $119,100 Land $14,000 Building $105,100 | $119,100 Land $14,000 Building $105,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 N 23rd Ave W in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1979.
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 Claims | 3 (1979–1982) |
| Most Recent Claim | May 1982 · rainfall accumulation |
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.
The area around 421 N 23rd Ave W 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 451 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, CTC.
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