Williamson County property record for 7901 Cahill Dr, Austin, TX 78729
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 2,576 sqft · built 1989 |
| Lot Size | 0.338 acres (14,704 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,889 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-4105-000G-0019 |
| Primary APN | R-16-4105-000G-0019 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,576 sqft Living Area |
| 1st Floor Area | 1,400 sqft |
| 2nd Floor Area | 1,176 sqft |
| Flooring | Carpet |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Exterior Material | Combination |
| Roof Type | Hip |
| Lot Area | 14,704 sqft (0.338 acres) |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
|---|---|
| Porch Area | 360 sqft |
| Patio Area | 18 sqft |
| Sports Court | Sports Court |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R164105000G0019 |
|---|---|
| Street Address | 7901 CAHILL DR |
| City | AUSTIN |
| State | TX |
| Zip | 78729-6439 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HUNTERS CHASE SEC 5 AMENDED, BLOCK G, LOT 19 |
| Legal Subdivision | HUNTERS CHASE SEC 5 AMENDED |
| Legal Block | G |
| Legal Lot Number | 19 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 20410 |
7901 Cahill Dr is owned and occupied by two individuals.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 7901 CAHILL DR, AUSTIN, TX 78729-6439 |
| 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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 7901 Cahill Dr was $3,889 with a homeowner's exemption.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Austin City |
| County | Williamson County |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,889.00 Homeowner's exemption Senior Citizen's exemption | $497,884 Land $100,500 Building $397,384 | $497,884 Land $100,500 Building $397,384 |
| 2023 | $4,665.00 (-28.22%) Homeowner's exemption Senior Citizen's exemption | $523,916 Land $105,000 Building $418,916 | $523,916 Land $105,000 Building $418,916 |
| 2022 | $6,499.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 7901 Cahill Dr 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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 7901 Cahill Dr is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 98.3% of Texas |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | CITY OF AUSTIN WATER & WASTEWATER serves 1,115,323 people · EPA ID TX2270001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Turbidity resolved · Feb 2022 |
|---|---|
| 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 754 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Google Fiber Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Western Broadband Fixed Wireless | 200 / 40 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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