Williamson County property record for 9101 Cottage Grove Pass, Austin, TX 78717
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 3,291 sqft · built 1999 |
| Lot Size | 0.201 acres (8,763 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $10,512 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-4805-000K-0025 |
| Primary APN | R-16-4805-000K-0025 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,291 sqft Living Area |
| 1st Floor Area | 1,564 sqft |
| 2nd Floor Area | 1,727 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 2000 |
| Exterior Material | Stone |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Hip |
| Lot Area | 8,763 sqft |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 35 sqft |
| Deck Area | 144 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R343096 |
|---|---|
| Street Address | 9101 COTTAGE GROVE PASS |
| City | AUSTIN |
| State | TX |
| Zip | 78717-2931 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S5957 - OAK BROOK SEC 1, BLOCK K, LOT 25 |
| Legal Subdivision | OAK BROOK |
| Legal Block | K |
| Legal Lot Number | 25 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 4 |
| Census Block | 4019 |
| Census Tract | 20509 |
Source: Williamson County records, as of October 2, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 9101 COTTAGE GROVE PASS, AUSTIN, TX 78717-2931 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 23, 1999 |
| Deed Sale | Apr 23, 1999 |
| Deed Document Number | #199929872 |
| Record Updated | Jun 8, 2026 |
Source: Williamson County assessment roll, as of August 1, 2025
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $10,512.00 (+10.69%) Homeowner's exemption | $741,237 (+15.72%) Land $155,000 Building $586,237 | $741,237 (+15.72%) Land $155,000 Building $586,237 |
| 2023 | $9,497.00 (-4.13%) Homeowner's exemption | $640,538 Land $145,000 Building $495,538 | $640,538 Land $145,000 Building $495,538 |
| 2022 | $9,906.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 5, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
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 | 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 | FERN BLUFF MUD serves 5,682 people · EPA ID TX2460128 |
|---|---|
| Water Source | Purchased surface water from CITY OF ROUND ROCK |
| Last State Inspection | Feb 2026 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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.
Source: FCC Broadband Data Collection, based on 618 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Google Fiber, SOS Communications, VTX Communications, Western Broadband.
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