Ringgold County property record for 311 Madison St, Diagonal, IA 50845
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 672 sqft · built 1910 |
| Lot Size | 0.32 acres (14,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $20,000 (May 2026) |
| Tax Bill | $588 (2025) |
| Deeds & Mortgages | May 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 002020 |
| Primary APN | 002020 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 1 Story |
| Building Area | 672 sqft Base Area |
| 1st Floor Area | 672 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 14,000 sqft (0.32 acres) |
| Lot Dimensions | 140 ft deep x 100 ft wide |
| Garage Type | Detached |
| Garage Area | 900 sqft |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 311 MADISON ST |
|---|---|
| City | DIAGONAL |
| State | IA |
| Zip | 50845-1014 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N 100' W 140' LOT 7 BLOCK 2 NW ADD |
| Legal Subdivision | NORTHWEST ADDITION |
| Legal Block | 2 |
| Legal Lot Number | 7 |
| Jurisdiction | RINGGOLD IA |
| Township / Civil Division | WASHINGTON |
| Census Block Group | 2 |
| Census Block | 2623 |
| Census Tract | 950100 |
311 Madison St is owned by a company that bought it in May 2026.
Source: Ringgold County records, as of September 1, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1590 160TH AVE, DIAGONAL, IA 50845-8929 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
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 | May 26, 2026 · Amount on File |
| Deed Sale | May 26, 2026 · Amount on File |
| Deed Document Number | 2026622 |
| Deed Book / Page | 612 / 196 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | RINGGOLD IA |
| Recording Date | May 26, 2026 |
| Property Address | 311 MADISON ST, DIAGONAL, IA 50845-1014 |
| Document Number | 0000000622 |
| Book / Page | 612 / 196 |
| Instrument Date | May 20, 2026 |
| Instrument | 2026622 |
| Transaction Type | Transfer |
| Record Updated | Jun 10, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Amount | Amount on Record |
|---|---|
| Tax | $3,151.20 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Limited Liability Partnership |
| Address | 1590 160TH AVE, DIAGONAL, IA 50845-8929 |
The 2025 property tax bill for 311 Madison St was $588, down 13.3% from the year before.
Source: Ringgold County assessment roll, as of September 30, 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Ringgold County |
| Municipality | Diagonal City |
| Unified School District | Diagonal Community School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $588.00 (-13.27%) | $32,633 Land $5,100 Building $27,533 | $32,633 Land $5,100 Building $27,533 |
| 2024 | $678.00 | ||
| 2023 | $34,047 (+16.82%) Land $5,100 Building $28,947 | $34,047 Land $5,100 Building $28,947 | |
| 2022 | $668.00 | $29,145 Land $5,100 Building $24,045 | |
| 2021 | $29,145 Land $5,100 Building $24,045 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 311 Madison St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective August 17, 2017
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 311 Madison St is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · above 40% of Iowa |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation |
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 | DIAGONAL WATER DEPARTMENT serves 338 people · EPA ID IA8018040 |
|---|---|
| Water Source | Purchased surface water from SIRWA #2 (CRESTON) |
| Last State Inspection | Feb 2025 |
| Lead | 2 ppb (2020–2022) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 9 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 133 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Nextlink Fixed Wireless | 1,000 / 1,000 |
| Windstream DSL | 200 / 20 |
| Lockridge Networks Fixed Wireless | 100 / 20 |
4G LTE only, no 5G reported
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