Kossuth County property record for 401 Diagonal St, Algona, IA 50511
| Property Type | Commercial |
|---|---|
| Details | 1,152 sqft · built 1950 |
| Lot Size | 0.84 acres (36,590 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $85,000 (Feb 2010) |
| Tax Bill | $1,550 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 22-01-302-013 |
| Primary APN | 22-01-302-013 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 1,152 sqft Gross Area |
| 1st Floor Area | 7,888 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 36,590 sqft (0.84 acres) |
| Quonset Hut | 1,152 sqft |
| Street Address | 401 DIAGONAL ST |
|---|---|
| City | ALGONA |
| State | IA |
| Zip | 50511-2001 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | TR COM SW COR L 2 B 188 CALLS ADD TH N |
| Legal Subdivision | CALLS ADDITION TO ALGONA |
| Jurisdiction | KOSSUTH IA |
| Township / Civil Division | ALGONA |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 950500 |
401 Diagonal St, a commercial property, is owned by two individuals who bought it in February 2010.
Source: Kossuth County records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 7 E COLLEGE ST, ALGONA, IA 50511-3302 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 19, 2010 · Amount on File |
| Deed Sale | Feb 19, 2010 · Amount on File |
| Prior Sale | Sep 6, 2006 · Amount on File |
| Deed Document Number | 2010527 |
| Deed Book / Page | 2010 / 527 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 401 Diagonal St was $1,550, up 13.3% from the year before.
Source: Kossuth County assessment roll, as of October 9, 2025
| Type | Name |
|---|---|
| State | Iowa |
| Municipality | Algona City |
| County | Kossuth County |
| Unified School District | Algona Community School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,550.00 (+13.3%) | $98,136 Land $33,600 Building $64,536 | |
| 2024 | $1,368.00 | ||
| 2023 | $80,754 Land $33,600 Building $47,154 | $80,754 Land $33,600 Building $47,154 | |
| 2021 | $1,364.00 | $98,136 Land $33,600 Building $64,536 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 401 Diagonal St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective March 19, 2018 · 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 401 Diagonal St 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 94% of the US · lower than 65% of Iowa |
|---|---|
| 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 | ALGONA MUNICIPAL UTILITIES serves 5,487 people · EPA ID IA5502015 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2024 |
| Lead | 5 ppb (2023–2025) 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 407 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Mediacom Xtream Cable · Fiber in parts of the area | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| GigFire Fixed Wireless | 150 / 130 |
| Algona Municipal Utilities Cable · Fiber in parts of the area | 150 / 25 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Nextlink, T-Mobile.
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