Williamson County property record for 8518 Cahill Dr, Austin, TX 78729
| Property Type | Condominium |
|---|---|
| Details | built 2001 |
| Lot Size | 5.68 acres (247,595 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-3496-0000-0000 |
| Primary APN | R-16-3496-0000-0000 |
|---|---|
| Alternative APNs |
|
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | Condo/Apartment |
| Lot Area | 247,595 sqft |
| Account Number | R16349600000000 |
|---|---|
| Street Address | 8518 CAHILL DR |
| City | AUSTIN |
| State | TX |
| Zip | 78729-7291 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | CONDO REFERENCE ONLY - C698 - COURTYARD HOMES AT COBBLESTONE CONDO, ACRES 5.684, (REF) |
| Legal Subdivision | OURTYARD HOMES AT COBBLESTONE CONDO |
| Legal Block | 4 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 20410 |
8518 Cahill Dr, a condominium, is owned by a company.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | Company Name on File |
|---|---|
| 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 |
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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $4,088,700 Land $4,088,700 | $4,088,700 Land $4,088,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 8518 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.
The area around 8518 Cahill Dr has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 419 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Google Fiber Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Western Broadband Fixed Wireless | 200 / 40 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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