Williamson County property record for 310 E Austin Ave, Round Rock, TX 78664 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 704 sqft · built 1930 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,521 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R071577 |
| Primary APN | R071577 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 704 sqft Living Area |
| 1st Floor Area | 704 sqft |
| Flooring | Wood |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1990 |
| Exterior Material | Wood |
| Foundation Type | Pier/Post & Beam |
| Roof Type | Gable |
| Lot Area | 4,500 sqft (0.103 acres) |
| Porch | Open Porch |
| Porch Area | 40 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R071577 |
|---|---|
| Street Address | 310 E AUSTIN AVE |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-5212 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ROUND ROCK CITY OF, BLOCK 46, LOT 11 PT |
| Legal Subdivision | ROUND ROCK CITY OF |
| Legal Block | 46 |
| Legal Lot Number | 11 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1019 |
| Census Tract | 20701 |
Source: Williamson County records · APN R071577
Assessment roll updated August 1, 2025 · Last verified October 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 File |
|---|---|
| Mailing Address | 79 MOCKINGBIRD HILL LN, TEMPLE, TX 76501-7127 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 29, 2015 |
| Deed Sale | May 29, 2015 |
| Deed Document Number | 2015044546 |
| Prior Transfer Date | Jul 20, 2010 |
| Prior Transfer Doc | 2010047872 |
| Record Updated | Jun 08, 2026 |
Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified October 2025
| 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 | $2,521.00 (-1.33%) | $185,704 (+27.48%) Land $75,600 Building $110,104 | $185,704 (+27.48%) Land $75,600 Building $110,104 |
| 2023 | $2,555.00 (+49.77%) | $145,671 Land $75,600 Building $70,071 | $145,671 Land $75,600 Building $70,071 |
| 2022 | $1,706.00 |
Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| 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; lenders make the official flood determination.
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