Williamson County property record for 8405 Cahill Dr, Austin, TX 78729
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,987 sqft · built 1999 |
| Lot Size | 0.18 acres (7,837 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $9,478 (2025) |
| Deeds & Mortgages | Sep 2023 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-4106-000D-0011 |
| Primary APN | R-16-4106-000D-0011 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,987 sqft Living Area |
| 1st Floor Area | 1,987 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Exterior Material | Brick Veneer |
| Roof Type | Hip |
| Lot Area | 7,837 sqft (0.18 acres) |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 100 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | R164106000D0011 |
|---|---|
| Street Address | 8405 CAHILL DR |
| City | AUSTIN |
| State | TX |
| Zip | 78729-7254 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S5916 - HUNTERS CHASE SEC 6, BLOCK D, LOT 11 |
| Legal Subdivision | HUNTERS CHASE SEC 6 |
| Legal Block | D |
| Legal Lot Number | 11 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 20410 |
8405 Cahill Dr is owner-occupied and held in a trust since November 2024.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 8405 CAHILL DR, AUSTIN, TX 78729-7254 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Last Sale | Nov 20, 2024 |
| Deed Sale | Nov 20, 2024 |
| Prior Sale | Jun 1, 2006 · Amount on File |
| Deed Document Number | 202492715 |
| Prior Transfer Date | Aug 28, 2023 |
| Prior Transfer Doc | 0000074666 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Distribution |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Sep 6, 2023 |
| Property Address | 8405 CAHILL DR, AUSTIN, TX 78729-7254 |
| Document Number | 0000074666 |
| Map Reference | CAB L SL 93 |
| Instrument Date | Aug 28, 2023 |
| Instrument | 2023074666 |
| Transaction Type | Transfer |
| Record Updated | Sep 15, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 8405 CAHILL DR, AUSTIN, TX 78729-7254 |
The 2025 property tax bill for 8405 Cahill Dr was $9,478.
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 | $9,478.00 | $517,474 Land $100,500 Building $416,974 | $517,474 Land $100,500 Building $416,974 |
| 2023 | $2,656.00 (-40.94%) Homeowner's exemption Senior Citizen's exemption | $473,765 Land $105,000 Building $368,765 | $473,765 Land $105,000 Building $368,765 |
| 2022 | $4,497.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 8405 Cahill Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 5, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| 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 8405 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 99.1% of the US · lower than 99.3% of Texas |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | 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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