Mahnomen County property record for 421 4th St NW, Mahnomen, MN 56557
| Property Type | Single Family Home |
|---|---|
| Details | 1,196 sqft |
| Lot Size | 0.401 acres (17,499 sqft) |
| Owner | Company Name on File |
| Last Sale | $76,000 (Jul 2020) |
| Tax Bill | $1,288 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 18.450.0210 |
| Primary APN | 18.450.0210 |
|---|
| Building Area | 1,196 sqft Living Area |
|---|
| Lot Area | 17,499 sqft (0.401 acres) |
|---|
| Street Address | 421 4TH ST NW |
|---|---|
| City | MAHNOMEN |
| State | MN |
| Zip | 56557-4209 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N2 LOT 10; LOT 11-12 |
| Legal Range | 00 |
| Legal Township | 00 |
| Legal Section | 00 |
| Legal Subdivision | JOHNSON'S FIRST ADDITION TO MAHNOMEN |
| Legal Block | 4 |
| Legal Lot Number | 10 |
| Jurisdiction | MAHNOMEN MN |
| Township / Civil Division | MAHNOMEN |
| Census Block Group | 3 |
| Census Block | 3026 |
| Census Tract | 940100 |
421 4th St NW is owned by a company that bought it in July 2020 and is owner-occupied.
Source: Mahnomen County records, as of September 24, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 103 5TH ST NW, MAHNOMEN, MN 56557-4101 |
| Occupancy | Owner Occupied |
| 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 |
|---|---|
| Last Sale | Jul 17, 2020 · Amount on File |
| Deed Sale | Jul 17, 2020 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 421 4th St NW was $1,288 with a homeowner's exemption.
Source: Mahnomen County assessment roll, as of September 24, 2026
| Type | Name |
|---|---|
| State | Minnesota |
| County | Mahnomen County |
| Municipality | Mahnomen City |
| Unified School District | Mahnomen Public School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,288.00 Homeowner's exemption | $171,300 (+39.16%) Land $9,400 Building $161,900 | |
| 2025 | $123,100 Land $9,400 Building $113,700 | $171,300 (+39.16%) Land $9,400 Building $161,900 | |
| 2024 | $123,100 (-3.15%) Land $9,400 Building $113,700 | ||
| 2023 | $127,100 Land $9,400 Building $117,700 | $127,100 Land $9,400 Building $117,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 4th St NW in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective August 9, 2019 · 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.
Wildfire risk around 421 4th St NW is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 96% of Minnesota |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | Mahnomen serves 1,217 people · EPA ID MN1440002 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2026 |
| Lead | Under 1 ppb (2021–2023) 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 101 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Arvig Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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