Franklin County property record for 543 Diamond Head Dr, Union, MO 63084
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,134 sqft · built 2003 |
| Lot Size | 1.4 acres (60,984 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,687 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 21-3-06.1-0-012-095.000 |
| Primary APN | 21-3-06.1-0-012-095.000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,134 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2003 |
|---|---|
| Architectural Style | Other |
| Exterior Material | Brick |
| Construction Type | Brick |
| Lot Area | 60,984 sqft (1.4 acres) |
| Street Address | 543 DIAMOND HEAD DR |
|---|---|
| City | UNION |
| State | MO |
| Zip | 63084-4494 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SD |
| Legal Description | LOT:17 ST ANDREWS PLACE RSL17 |
| Legal Range | 01E |
| Legal Township | 42 |
| Legal Section | 06 |
| Legal Subdivision | ST ANDREWS PLACE |
| Legal Block | 12 |
| Legal Lot Number | 17 |
| Jurisdiction | FRANKLIN MO |
| Township / Civil Division | UNION |
| Census Block Group | 1 |
| Census Block | 1062 |
| Census Tract | 800606 |
543 Diamond Head Dr is owned and occupied by two individuals who acquired it in May 2003.
Source: Franklin County records, as of November 10, 2025
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 543 DIAMOND HEAD DR, UNION, MO 63084-4494 |
| 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 | May 5, 2003 |
| Deed Sale | May 5, 2003 |
| Deed Document Number | 2003-08726 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 543 Diamond Head Dr was $3,687.
Source: Franklin County assessment roll, as of May 31, 2025
| Type | Name |
|---|---|
| State | Missouri |
| County | Franklin County |
| Municipality | Union City |
| Unified School District | Union R-XI School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,687.00 | $61,845 | $325,500 Land $45,000 Building $280,500 |
| 2023 | $3,119.00 (-8.96%) | $51,874 | $273,020 Land $45,000 Building $228,020 |
| 2022 | $3,426.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 543 Diamond Head Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2023.
Source: FEMA National Flood Hazard Layer, effective June 4, 2020 · 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 | 4 in force |
| Nearby Flood Claims | 2 (2023–2025) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | May 2025 · other causes |
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 543 Diamond Head Dr 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 80% of the US · lower than 84% of Missouri |
|---|---|
| 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 | FRANKLIN COUNTY PWSD 3 serves 8,250 people · EPA ID MO6024213 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Dec 2023 |
| Lead | 2 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.
Source: FCC Broadband Data Collection, based on 278 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
| Wave Internet Technologies Fixed Wireless | 100 / 100 |
May also be available: AT&T.
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