Terrebonne Parish property record for 421 Authement St, Houma, LA 70363
| Property Type | Residential Vacant Land |
|---|---|
| Lot Size | 0.05 acres (2,181 sqft) |
| Owner | Individual Name on File |
| Last Sale | $2,200 (Dec 2021) |
| Tax Bill | $45 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 21691 |
| Primary APN | 21691 |
|---|
| Lot Area | 2,181 sqft (0.05 acres) |
|---|
| Street Address | 421 AUTHEMENT ST |
|---|---|
| City | HOUMA |
| State | LA |
| Zip | 70363-5235 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Legal Description | LOT 27 BLOCK 2 HORACE AUTHEMENT SUBD. |
| Legal Range | 17E |
| Legal Township | 17S |
| Legal Subdivision | AUTHEMENT, HORACE |
| Legal Block | 2 |
| Legal Lot Number | 27 |
| Jurisdiction | TERREBONNE LA |
| Township / Civil Division | 1 |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 702 |
Source: Terrebonne Parish assessment roll, as of April 7, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 413 AUTHEMENT ST, HOUMA, LA 70363-5235 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 29, 2021 · Amount on Record |
| Deed Sale | Dec 29, 2021 · Amount on Record |
| Deed Document Number | 20211640675 |
| Deed Book / Page | 2656 / 155 |
| Prior Transfer Date | Dec 28, 2021 |
| Prior Transfer Doc | 0001640675 |
| Record Updated | Jun 8, 2026 |
Source: Terrebonne Parish assessment roll, as of April 7, 2026
| Type | Name |
|---|---|
| State | Louisiana |
| County | Terrebonne Parish |
| Unified School District | Terrebonne Parish School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $45.00 | $480 (-) Land $480 | $4,800 (-) Land $4,800 |
| 2024 | $45.00 (+4.65%) | $480 (+4.35%) Land $480 | $4,800 (+4.35%) Land $4,800 |
| 2023 | $43.00 (+2.38%) | $460 (-) Land $460 | $4,600 (-) Land $4,600 |
| 2022 | $42.00 | $460 Land $460 | $4,600 Land $4,600 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective September 20, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 9.0 ft |
| Coastal | Yes |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 69 policies |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 69 in force |
| Nearby Flood Claims | 13 (2005–2024) |
| Most Recent Claim | Aug 2024 |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SCHRIEVER WATER TREATMENT SERVICE AREA serves 116,460 people · EPA ID LA1109002 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2023 |
| Lead | 1 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 503 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Spectrum, T-Mobile USA.
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