Williamson County property record for 500 Rubio Ave, Round Rock, TX 78664
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 2,375 sqft · built 1945 |
| Lot Size | 0.628 acres (27,356 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,958 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5360-0002-0008 |
| Primary APN | R-16-5360-0002-0008 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,375 sqft Living Area |
| Gross Area | 2,571 sqft |
| 1st Floor Area | 1,591 sqft |
| 2nd Floor Area | 784 sqft |
| Flooring | Wood |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1980 |
| Exterior Material | Wood |
| Roof Type | Gable |
| Lot Area | 27,356 sqft (0.628 acres) |
| Garage Type | Detached |
| Garage Area | 560 sqft |
| Parking Spaces | 8 Parking Spaces |
| Porch | Open Porch |
|---|---|
| Porch Area | 418 sqft |
| Deck Area | 64 sqft |
| Patio Area | 196 sqft |
| Guest House | 642 sqft |
| Utility Building | 820 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | R16536000020008 |
|---|---|
| Street Address | 500 RUBIO AVE |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-5865 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SF2 |
| Legal Description | SOUTHSIDE ACRES, BLOCK 2, LOT 8-11, ACRES .628 |
| Legal Subdivision | SOUTHSIDE ACRES |
| Legal Block | 2 |
| Legal Lot Number | 8-11 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1058 |
| Census Tract | 20701 |
500 Rubio Ave is owned and occupied by two individuals.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 500 RUBIO AVE, ROUND ROCK, TX 78664-5865 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 500 Rubio Ave was $1,958 with a homeowner's exemption.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Municipality | Round Rock City |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,958.00 Homeowner's exemption | $198,650 | $387,410 Land $86,170 Building $301,240 |
| 2023 | $1,666.00 (-21.34%) Homeowner's exemption | $238,686 Land $114,894 Building $123,792 | $238,686 Land $114,894 Building $123,792 |
| 2022 | $2,118.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 500 Rubio Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 8 (1984–1991) |
| Most Recent Claim | Jan 1991 · river or lake flooding |
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 500 Rubio Ave is low, with less than 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 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 | CITY OF ROUND ROCK serves 130,662 people · EPA ID TX2460003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2023 |
| Lead | 5 ppb (2021–2023) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 66 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Google Fiber, SOS Communications.
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