Williamson County property record for 1800 Whirlwind Trl, Round Rock, TX 78664
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,317 sqft · built 1994 |
| Lot Size | 0.169 acres (7,378 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $5,537 (2025) |
| Deeds & Mortgages | Aug 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-3969-000C-0011 |
| Primary APN | R-16-3969-000C-0011 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,317 sqft Living Area |
| 1st Floor Area | 917 sqft |
| 2nd Floor Area | 1,400 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Exterior Material | Brick |
| Roof Type | Hip |
| Lot Area | 7,378 sqft (0.169 acres) |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 392 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R163969000C0011 |
|---|---|
| Street Address | 1800 WHIRLWIND TRL |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-7064 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | GREENLAWN PLACE, BLOCK C, LOT 11 |
| Legal Subdivision | GREENLAWN PLACE |
| Legal Block | C |
| Legal Lot Number | 11 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 20709 |
Source: Williamson County records, as of September 11, 2026
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 Record |
|---|---|
| Mailing Address | 1800 WHIRLWIND TRL, ROUND ROCK, TX 78664-7064 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 1800 WHIRLWIND TRL, ROUND ROCK, TX 78664-7064 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000092487 |
|---|---|
| Date | Aug 11, 2020 |
| Instrument | 2020092487 |
| Name | A+ FCU |
|---|---|
| Type | Credit Union |
| Address | AUSTIN, TX 78723 |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 357 Months |
| Due | May 1, 2050 |
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 | $5,537.00 (+14.64%) Homeowner's exemption | $363,263 (-11.87%) Land $71,500 Building $291,763 | $363,263 (-11.87%) Land $71,500 Building $291,763 |
| 2023 | $4,830.00 (-7.61%) Homeowner's exemption | $412,201 Land $80,000 Building $332,201 | $412,201 Land $80,000 Building $332,201 |
| 2022 | $5,228.00 |
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 October 5, 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 |
| Nearby Flood Policies | 1 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 | Low lower than 99.8% of the US · lower than 99.8% 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 449 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (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 |
May also be available: SOS Communications, T-Mobile.
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