Williamson County property record for 311 E Austin Ave, Round Rock, TX 78664 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 720 sqft · built 1940 |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $841 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5120-0037-0010 |
| Primary APN | R-16-5120-0037-0010 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 720 sqft Living Area |
| 1st Floor Area | 720 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1992 |
| Exterior Material | Wood |
| Roof Type | Gable |
| Roof Material | Other |
| Lot Area | 6,970 sqft (0.16 acres) |
| Porch | Open Porch |
| Porch Area | 112 sqft |
| Utility Building | 80 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | R16512000370010 |
|---|---|
| Street Address | 311 E AUSTIN AVE |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-5211 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ROUND ROCK CITY OF, BLOCK 37, LOT 10 |
| Legal Subdivision | ROUND ROCK CITY OF |
| Legal Block | 37 |
| Legal Lot Number | 10 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1028 |
| Census Tract | 20701 |
Source: Williamson County records · APN R-16-5120-0037-0010
Assessment roll updated September 15, 2025 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 311 E AUSTIN AVE, ROUND ROCK, TX 78664-5211 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Williamson County records · Assessment roll updated September 15, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Municipality | Round Rock City |
| Unified School District | Round Rock Independent School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $841.00 Homeowner's exemption | $108,519 (-56.53%) | $245,775 (-1.54%) Land $173,892 Building $71,883 |
| 2024 | $841.00 (+16%) | ||
| 2023 | $725.00 (-33.91%) Homeowner's exemption | $249,620 Land $117,089 Building $132,531 | $249,620 Land $117,089 Building $132,531 |
| 2022 | $1,097.00 |
Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910207011, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 8 (1984–1991) |
| Most Recent Claim | Jan 1991, river or lake flooding |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 289 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Google Fiber, AT&T, SOS Communications, Spectrum, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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