Williamson County property record for 3511 Co Rd 451, Coupland, TX 78615
| Property Type | Rural Home |
|---|---|
| Details | 1 ba · 1,221 sqft · built 1940 |
| Lot Size | 1 acre (43,560 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,634 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R01064700000021R |
| Primary APN | R01064700000021R |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 1,221 sqft Living Area |
| Gross Area | 1,485 sqft |
| 1st Floor Area | 1,221 sqft |
| Flooring | Carpet |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1980 |
| Exterior Material | Wood |
| Roof Type | Gable |
| Lot Area | 43,560 sqft |
| Garage Area | 572 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 264 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R01064700000021 |
|---|---|
| Street Address | 3511 COUNTY ROAD 451 |
| City | COUPLAND |
| State | TX |
| Zip | 78615-4805 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | AW0647 WHITE, H. SUR., ACRES 1.0 |
| Legal Subdivision | WHITE, H. SUR. |
| Legal Block | 3 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | TAYLOR |
| Census Block Group | 3 |
| Census Block | 3071 |
| Census Tract | 20900 |
3511 Co Rd 451, a rural home, is owned by a company.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 3801 FM 1466, COUPLAND, TX 78615-4706 |
| Owner Type | Company |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3511 Co Rd 451 was $2,634.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Unified School District | Thrall Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,634.00 | $144,915 Land $9,866 Building $135,049 | $144,915 Land $9,866 Building $135,049 |
| 2023 | $2,089.00 (+14.72%) | $130,462 Land $10,239 Building $120,223 | $130,462 Land $10,239 Building $120,223 |
| 2022 | $1,821.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3511 Co Rd 451 in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 5, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 3 (1991–2007) |
| Most Recent Claim | Jul 2007 · Severe Storms, Tornadoes, And Flooding |
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 3511 Co Rd 451 is moderate, ranking above 47% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 47% of the US · lower than 79% of Texas |
|---|---|
| Wildfire Likelihood | 0.09% 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 | MANVILLE WSC serves 39,648 people · EPA ID TX2270033 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Dec 2022 |
| Lead | 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Oct 2025 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 6 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 5 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| Western Broadband Fixed Wireless | 200 / 40 |
| SOS Communications Fixed Wireless | 50 / 15 |
| Verizon Fixed Wireless | 25 / 6 |
May also be available: T-Mobile.
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