Hardin County property record for 504 Oak St, Union, IA 50258
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,624 sqft · built 1970 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $159,000 (Sep 2023) |
| Tax Bill | $2,546 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 861921451006 |
| Primary APN | 861921451006 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,624 sqft Living Area |
| 1st Floor Area | 1,300 sqft |
| Basement Area | 1,300 sqft |
| Finished Basement | 900 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Split Level |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 8,712 sqft (0.2 acres) |
| Lot Dimensions | 132 ft deep x 66 ft wide |
| Patio Area | 688 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 504 OAK ST |
|---|---|
| City | UNION |
| State | IA |
| Zip | 50258-8117 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BLOCK 1, RAMBOS ADD, UNION RAMBOS ADD-BLOCK 1 LOT 6 & W1/2 VAC ADJ ALLEY |
| Legal Subdivision | RAMBOS ADD |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | HARDIN IA |
| Township / Civil Division | UNION |
| Census Block Group | 4 |
| Census Block | 4028 |
| Census Tract | 480500 |
504 Oak St is owned and occupied by two individuals who bought it in September 2023.
Source: Hardin County records, as of May 27, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 504 OAK ST, UNION, IA 50258-8117 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 22, 2023 · Amount on File |
| Deed Sale | Sep 22, 2023 · Amount on File |
| Prior Sale | May 29, 2007 · Amount on File |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 504 Oak St was $2,546.
Source: Hardin County assessment roll, as of October 17, 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Hardin County |
| Municipality | Union City |
| Unified School District | BCLUW Community School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,546.00 | $206,330 Land $3,960 Building $202,370 | $206,330 Land $3,960 Building $202,370 |
| 2024 | $2,546.00 | ||
| 2023 | $158,160 (+1.31%) Land $3,960 Building $154,200 | $158,160 Land $3,960 Building $154,200 | |
| 2022 | $2,480.00 Homeowner's exemption | $156,110 Land $3,960 Building $152,150 | |
| 2021 | $156,110 Land $3,960 Building $152,150 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 504 Oak St in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 1990.
Source: FEMA National Flood Hazard Layer, effective June 19, 2012 · 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 | 6 in force |
| Nearby Flood Claims | 7 (1990–2025) |
| Claims Outside the SFHA | 1 of 7 |
| Most Recent Claim | Jul 2025 · other causes |
| Claims by Event |
|
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 504 Oak 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 94% of the US · lower than 65% of Iowa |
|---|---|
| Wildfire Likelihood | 0.03% 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 | UNION WATER SUPPLY serves 399 people · EPA ID IA4291038 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2025 |
| Lead | 3 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 52 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Heart of Iowa Communications Cooperative Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GigFire.
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