Williamson County property record for 1501 Whirlwind Trl, Round Rock, TX 78664 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 2,071 sqft · built 1993 |
| Lot Size | 0.209 acres (9,111 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,233 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-3969-000C-0001 |
| Primary APN | R-16-3969-000C-0001 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,071 sqft Living Area |
| 1st Floor Area | 1,005 sqft |
| 2nd Floor Area | 1,066 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1994 |
| Exterior Material | Wood Shingle |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Hip |
| Lot Area | 9,111 sqft |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 448 sqft |
| Patio Area | 185 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R049636 |
|---|---|
| Street Address | 1501 WHIRLWIND TRL |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | GREENLAWN PLACE, BLOCK C, LOT 1 |
| Legal Subdivision | GREENLAWN PLACE |
| Legal Block | C |
| Legal Lot Number | 1 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 20709 |
Source: Williamson County records · APN R-16-3969-000C-0001
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 1501 ZEPHYR LN, ROUND ROCK, TX 78664-7050 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 14, 1993 |
| Deed Sale | Dec 14, 1993 |
| Deed Document Number | 0002434548 |
| 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 | $5,233.00 (+13.81%) Homeowner's exemption | $364,683 (-7.97%) Land $79,000 Building $285,683 | $364,683 (-7.97%) Land $79,000 Building $285,683 |
| 2023 | $4,598.00 (-8.06%) Homeowner's exemption | $396,244 Land $80,000 Building $316,244 | $396,244 Land $80,000 Building $316,244 |
| 2022 | $5,001.00 |
Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910207092, 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 |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Nearby Flood Policies | 1 in force |
| 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 295 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Google Fiber | Fiber | 8,000 / 8,000 |
| AT&T | Fiber | 5,000 / 5,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: AT&T, SOS Communications, T-Mobile USA, Spectrum, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures