Travis County property record for 10021 Isle Royale Way, Austin, TX 78747
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,928 sqft · built 2004 |
| Lot Size | 0.131 acres (5,719 sqft) |
| Owner | Owner Name on File |
| Tax Bill | $5,839 (2024) |
| Deeds & Mortgages | Feb 2024 Line of Credit Feb 2024 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 0436090509 |
| Primary APN | 0436090509 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,928 sqft Living Area |
| Gross Area | 2,369 sqft |
| 1st Floor Area | 1,928 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2004 |
|---|---|
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 5,719 sqft (0.131 acres) |
| Garage Type | Attached |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 175 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | 576572 |
|---|---|
| Old Parcel Number | 04360905090000 |
| Street Address | 10021 ISLE ROYALE WAY |
| City | AUSTIN |
| State | TX |
| Zip | 78747-2665 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 BLK E PARKSIDE AT SLAUGHTER CREEK SEC 2 |
| Legal Subdivision | PARKSIDE AT SLAUGHTER CREEK SEC 2 |
| Legal Block | E |
| Legal Lot Number | 6 |
| Jurisdiction | TRAVIS TX |
| Township / Civil Division | AUSTIN |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 2451 |
The current owner of 10021 Isle Royale Way acquired it in August 2004.
Source: Travis County records, as of November 3, 2025
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 10021 ISLE ROYALE WAY, AUSTIN, TX 78747-2665 |
| Occupancy | Owner Occupied |
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 |
|---|---|
| Feb 26, 2024 | Deed of Trust, Mortgage · Line of Credit UNITED HERITAGE CU |
| Feb 26, 2024 | Deed of Trust, Mortgage · Line of Credit UNITED HERITAGE CU |
| Last Sale | Aug 30, 2004 |
|---|---|
| Deed Sale | Aug 30, 2004 |
| Deed Document Number | 2004165970 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | TRAVIS TX |
| Property Address | 10021 ISLE ROYALE WAY, AUSTIN, TX 78747-2665 |
| Transaction Type | Mortgage |
| Record Updated | Nov 4, 2025 |
| Name | Verified Name |
|---|
| Document Number | 0000019545 |
|---|---|
| Date | Feb 26, 2024 |
| Instrument | 2024019545 |
| Name | UNITED HERITAGE CU |
|---|---|
| Type | Credit Union |
| Address | AUSTIN, TX 78759 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | TRAVIS TX |
| Property Address | 10021 ISLE ROYALE WAY, AUSTIN, TX 78747-2665 |
| Transaction Type | Mortgage |
| Record Updated | Apr 17, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0000019545 |
|---|---|
| Date | Feb 26, 2024 |
| Instrument | 2024019545 |
| Name | UNITED HERITAGE CU |
|---|---|
| Type | Credit Union |
| Address | AUSTIN, TX 78759 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Mar 5, 2044 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: Travis County assessment roll, as of August 1, 2025
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Austin City |
| County | Travis County |
| Unified School District | Austin Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $385,815 Land $61,440 Building $324,375 | $385,815 Land $61,440 Building $324,375 | |
| 2024 | $5,839.00 | ||
| 2023 | $512,698 Land $60,000 Building $452,698 | $512,698 Land $60,000 Building $452,698 | |
| 2022 | $5,222.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 10021 Isle Royale Way in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 17, 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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 8 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.
Wildfire risk around 10021 Isle Royale Way is low, with 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 67% of the US · lower than 91% of Texas |
|---|---|
| Wildfire Likelihood | 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 | 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 367 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Google Fiber Fiber | 8,000 / 8,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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