Williamson County property record for 401 Sunset Dr, Round Rock, TX 78664
| Property Type | Commercial |
|---|---|
| Details | 10,410 sqft · built 1985 |
| Lot Size | 0.239 acres (10,411 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | R165522000A0001B |
| Primary APN | R165522000A0001B |
|---|---|
| Alternative APNs |
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| Building Area | 10,410 sqft |
|---|
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Lot Area | 10,411 sqft (0.239 acres) |
| Account Number | R165522000A0001 |
|---|---|
| Street Address | 401 SUNSET DR |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | REFERENCE ONLY - S5775 - SUMMIT PLAZA (AMENDED, REPLAT LT 1, BLK A), BLOCK A, LOT 1-B, ACRES 0.239, R577389/NON-REF |
| Legal Subdivision | SUMMIT PLAZA (AMENDED, REPLAT LT 1, BLK |
| Legal Block | A |
| Legal Lot Number | 1,1-B |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1026 |
| Census Tract | 21503 |
401 Sunset Dr, a commercial property, is owned by a company.
Source: Williamson County records, as of September 11, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1000 S INTERSTATE 35, A, ROUND ROCK, TX 78681-6641 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $239,865 Land $227,373 Building $12,492 | $239,865 Land $227,373 Building $12,492 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 401 Sunset Dr 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 |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 4 (2013–2015) |
| Claims Outside the SFHA | 2 of 4 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, Straight-line Winds And Flooding |
| Claims by Event |
|
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 401 Sunset Dr is low, with 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 | 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 64 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Google Fiber, T-Mobile.
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