Williamson County property record for 16401 Hillside Dr, Austin, TX 78728
| Property Type | Mobile Home |
|---|---|
| Details | 1,216 sqft · built 2013 |
| Owner | Individual Name on File |
| Tax Bill | $1,620 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R16472000050015 |
| Primary APN | R16472000050015 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,216 sqft Living Area |
| 1st Floor Area | 1,216 sqft |
| Year Built | Built 2013 |
|---|---|
| Effective Year Built | Effective 2013 |
| Architectural Style | Mobile Home |
| Deck Area | 128 sqft |
| Account Number | R16472000050015 |
|---|---|
| Street Address | 16401 HILLSIDE DR |
| City | AUSTIN |
| State | TX |
| Zip | 78728-1223 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | MOBILE HOME ONLY S5785 - NORTHRIDGE ACRES REVISED, BLOCK 5, LOT 15, TITLE # UNKN, LABEL # UNKN, [R068836] |
| Legal Subdivision | NORTHRIDGE ACRES REVISED |
| Legal Block | 5 |
| Legal Lot Number | 15 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2023 |
| Census Tract | 20513 |
16401 Hillside Dr, a mobile home, is owned by an individual.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 5063, ROUND ROCK, TX 78683-5063 |
| 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 | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 16401 Hillside Dr was $1,620.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,620.00 | $127,309 | $139,373 Building $139,373 |
| 2023 | $1,321.00 (+64.92%) | $87,737 Building $87,737 | $87,737 Building $87,737 |
| 2022 | $801.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 16401 Hillside Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 5, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 16401 Hillside Dr 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 AUSTIN WATER & WASTEWATER serves 1,115,323 people · EPA ID TX2270001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Turbidity resolved · Feb 2022 |
|---|---|
| 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 413 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 · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Western Broadband.
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