Travis County property record for 18421 Tanner Bayou Loop, Austin, TX 78738
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,836 sqft · built 2016 |
| Lot Size | 0.155 acres (6,769 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $9,310 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0127921020 |
| Primary APN | 0127921020 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,836 sqft Living Area |
| Gross Area | 2,256 sqft |
| 1st Floor Area | 1,836 sqft |
| Year Built | Built 2016 |
|---|---|
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 6,769 sqft (0.155 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 208 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | 837742 |
|---|---|
| Street Address | 18421 TANNER BAYOU LOOP |
| City | AUSTIN |
| State | TX |
| Zip | 78738-6079 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 20 BLK B SWEETWATER RANCH SEC 1 VILLAGE I |
| Legal Subdivision | SWEETWATER RANCH SEC 1 VILLAGE I |
| Legal Block | B |
| Legal Lot Number | 20 |
| Jurisdiction | TRAVIS TX |
| Township / Civil Division | SOUTHWEST TRAVIS |
| Census Block Group | 1 |
| Census Block | 1026 |
| Census Tract | 36500 |
Source: Travis County records, as of November 3, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 18421 TANNER BAYOU LOOP, AUSTIN, TX 78738-6079 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 23, 2016 |
| Deed Sale | Sep 23, 2016 |
| Deed Document Number | 2016159232 |
| Record Updated | Jun 8, 2026 |
Source: Travis County assessment roll, as of August 1, 2025
| Type | Name |
|---|---|
| State | Texas |
| County | Travis County |
| Unified School District | Lake Travis Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $485,946 (-12.62%) Land $137,692 Building $348,254 | $485,946 (-12.62%) Land $137,692 Building $348,254 | |
| 2024 | $9,310.00 (+0.56%) | ||
| 2023 | $556,100 Land $150,000 Building $406,100 | $556,100 Land $150,000 Building $406,100 | |
| 2022 | $9,258.00 |
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 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 |
| Flood Insurance Cost | Premium on Record median of 10 policies |
| Nearby Flood Policies | 10 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 | Moderate above 50% of the US · lower than 75% of Texas |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect 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 | LAZY NINE MUD 1B serves 4,669 people · EPA ID TX2270417 |
|---|---|
| Water Source | Purchased surface water from WEST TRAVIS COUNTY PUBLIC UTILITY AGENCY |
| Last State Inspection | Oct 2023 |
| Lead | 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| Monitoring and Reporting | 4 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 584 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Nextlink Fixed Wireless | 500 / 200 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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