Williamson County property record for 10133 Cassandra Dr, Austin, TX 78717
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 2,004 sqft · built 1997 |
| Lot Size | 0.163 acres (7,085 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $385,700 (Apr 2026) |
| Tax Bill | $10,082 (2025) |
| Deeds & Mortgages | Jul 2025 Mortgage Apr 2026 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-3668-000G-0006 |
| Primary APN | R-16-3668-000G-0006 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 2,004 sqft Living Area |
| 1st Floor Area | 2,004 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Exterior Material | Brick Veneer |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Hip |
| Lot Area | 7,085 sqft (0.163 acres) |
| Garage Area | 550 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 194 sqft |
| Patio Area | 300 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R163668000G0006 |
|---|---|
| Street Address | 10133 CASSANDRA DR |
| City | AUSTIN |
| State | TX |
| Zip | 78717-4567 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S6259 - DAVIS SPRING SEC 3-B, BLOCK G, LOT 6 |
| Legal Subdivision | DAVIS SPRING SEC 3-B |
| Legal Block | G |
| Legal Lot Number | 6 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 20516 |
10133 Cassandra Dr is held in a trust since April 2026.
Source: Williamson County records, as of October 2, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 224 MONACO DR, REDWOOD CITY, CA 94065-2864 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
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 |
|---|---|
| Jul 8, 2025 | Deed of Trust, Mortgage · Conventional Mortgage THE LOAN STORE INC |
| Apr 29, 2026 | Warranty Deed, Transfer · Conventional Mortgage NONE LISTED ON DOCUMENT |
| Mar 11, 2026 | Warranty Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 29, 2026 · Amount on File |
| Deed Sale | Apr 29, 2026 · Amount on File |
| Prior Sale | Mar 11, 2026 |
| Deed Document Number | 202633924 |
| Prior Transfer Date | Jul 2, 2020 |
| Prior Transfer Doc | 0000073201 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 10133 CASSANDRA DR, AUSTIN, TX 78717-4567 |
| Transaction Type | Mortgage |
| Record Updated | May 19, 2026 |
| Name | Verified Name |
|---|---|
| Address | 224 MONACO DR, REDWOOD CITY, CA 94065-2864 |
| Document Number | 0000052628 |
|---|---|
| Date | Jul 8, 2025 |
| Instrument | 2025052628 |
| Name | THE LOAN STORE INC |
|---|---|
| Type | Mortgage Company |
| Address | TUCSON, AZ 85718 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2055 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Apr 29, 2026 |
| Property Address | 10133 CASSANDRA DR, AUSTIN, TX 78717-4567 |
| Document Number | 0000033924 |
| Instrument Date | Apr 16, 2026 |
| Instrument | 2026.33924 |
| Transaction Type | Transfer |
| Record Updated | May 11, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Estimated Sale Price |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 224 MONACO DR, REDWOOD CITY, CA 94065-2864 |
| Document Number | 0000033925, |
|---|---|
| Date | Apr 29, 2026 |
| Instrument | 2026..33925 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.22% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Mar 11, 2026 |
| Property Address | 10133 CASSANDRA DR, AUSTIN, TX 78717-4567 |
| Document Number | 0000018916 |
| Map Reference | CAB M SL 294 |
| Instrument Date | Jan 24, 2026 |
| Instrument | 2026018916 |
| Transaction Type | Transfer |
| Record Updated | Mar 20, 2026 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3225 MCLEOD DR # 777, 777, LAS VEGAS, NV 89121-2257 |
The 2025 property tax bill for 10133 Cassandra Dr was $10,082, up 314.2% from the year before.
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 | $10,082.00 (+314.22%) | $512,430 Land $150,500 Building $361,930 | $512,430 Land $150,500 Building $361,930 |
| 2024 | $2,434.00 (-0.21%) | ||
| 2023 | $2,439.00 (-43.01%) Homeowner's exemption Senior Citizen's exemption | $522,880 Land $160,000 Building $362,880 | $522,880 Land $160,000 Building $362,880 |
| 2022 | $4,280.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 10133 Cassandra 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.
The area around 10133 Cassandra 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 555 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband, VTX Communications, Western Broadband.
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