Williamson County property record for 8400 Cahill Dr, Austin, TX 78729
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,650 sqft · built 2001 |
| Lot Size | 0.182 acres (7,938 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $371,900 (Jun 2018) |
| Tax Bill | $8,702 (2025) |
| Deeds & Mortgages | Aug 2019 Mortgage Jun 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-4106-000C-0061 |
| Primary APN | R-16-4106-000C-0061 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,650 sqft Living Area |
| 1st Floor Area | 1,636 sqft |
| 2nd Floor Area | 1,014 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Exterior Material | Brick Veneer |
| Roof Type | Hip |
| Lot Area | 7,938 sqft (0.182 acres) |
| Garage Area | 490 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 56 sqft |
| Patio Area | 168 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R164106000C0061 |
|---|---|
| Street Address | 8400 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 C, LOT 61 |
| Legal Subdivision | HUNTERS CHASE SEC 6 |
| Legal Block | C |
| Legal Lot Number | 61 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 20410 |
8400 Cahill Dr is owned and occupied by two individuals who bought it in June 2018.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 8400 CAHILL DR, AUSTIN, TX 78729-7254 |
| 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.
| Date | Document |
|---|---|
| Aug 20, 2019 | Deed of Trust, Mortgage · Conventional Mortgage AAXY LLC |
| Jun 8, 2018 | Vendor's Lien, Transfer · Conventional Mortgage COMPASS BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 8, 2018 · Amount on File |
| Deed Sale | Jun 8, 2018 · Amount on File |
| Deed Document Number | 201849680 |
| Prior Transfer Date | May 31, 2018 |
| Prior Transfer Doc | 0000049680 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 8400 CAHILL DR, AUSTIN, TX 78729-7254 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000077360 |
|---|---|
| Date | Aug 20, 2019 |
| Instrument | 2019077360 |
| Name | AAXY LLC |
|---|---|
| Type | Mortgage Company |
| Address | AUSTIN, TX 78729 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Sep 1, 2034 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Jun 8, 2018 |
| Property Address | 8400 CAHILL DR, AUSTIN, TX 78729-7254 |
| Document Number | 0000049680 |
| Map Reference | CAB L SL93-96 |
| Instrument Date | May 31, 2018 |
| Instrument | 2018049680 |
| Transaction Type | Transfer |
| Record Updated | Dec 6, 2021 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 8400 CAHILL DR, AUSTIN, TX 78729-7254 |
| Document Number | 0000049681 |
|---|---|
| Date | Jun 8, 2018 |
| Instrument | 2018049681 |
| Name | COMPASS BANK |
|---|---|
| Type | Bank |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 1, 2048 |
The 2025 property tax bill for 8400 Cahill Dr was $8,702 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 | $8,702.00 Homeowner's exemption | $505,190 Land $100,500 Building $404,690 | $505,190 Land $100,500 Building $404,690 |
| 2023 | $8,158.00 (-4.7%) Homeowner's exemption | $541,231 Land $105,000 Building $436,231 | $541,231 Land $105,000 Building $436,231 |
| 2022 | $8,560.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 8400 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 8400 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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