Williamson County property record for 5840 Bianca Dr, Round Rock, TX 78665
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,810 sqft · built 2020 |
| Owner | 2 Individual Names on File |
| Last Sale | $310,000 (Sep 2020) |
| Tax Bill | $7,434 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-14-2480-140O-O023 |
| Primary APN | R-14-2480-140O-O023 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,810 sqft Living Area |
| 1st Floor Area | 1,810 sqft |
| Flooring | Tile |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2020 |
|---|---|
| Effective Year Built | Effective 2020 |
| Garage Area | 432 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R142480140OO023 |
|---|---|
| Street Address | 5840 BIANCA DR |
| City | ROUND ROCK |
| State | TX |
| Zip | 78665-2349 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S12256 - SIENA SEC 14, BLOCK OO, LOT 23 |
| Legal Subdivision | SIENA SEC 14 |
| Legal Block | OO |
| Legal Lot Number | 23 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | TAYLOR |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 20812 |
5840 Bianca Dr is owned and occupied by two individuals who bought it in September 2020.
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 5840 BIANCA DR, ROUND ROCK, TX 78665-2349 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 1, 2020 · Amount on File |
| Deed Sale | Sep 1, 2020 · Amount on File |
| Deed Document Number | 2020103859 |
| Prior Transfer Date | Aug 31, 2020 |
| Prior Transfer Doc | 0000103859 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5840 Bianca Dr was $7,434 with a homeowner's exemption, down 1.5% from the year before.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Unified School District | Hutto Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $7,434.00 (-1.51%) Homeowner's exemption | $377,084 Land $83,500 Building $293,584 | $377,084 Land $83,500 Building $293,584 |
| 2024 | $7,548.00 (+7.94%) | ||
| 2023 | $6,993.00 (-7.14%) Homeowner's exemption | $390,368 Land $90,000 Building $300,368 | $390,368 Land $90,000 Building $300,368 |
| 2022 | $7,531.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 5840 Bianca Dr in Zone X, an area of minimal flood risk.
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 | 7 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.
Wildfire risk around 5840 Bianca Dr is moderate, ranking above 52% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 52% of the US · lower than 71% of Texas |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Direct burnable vegetation |
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 | JONAH WATER SUD serves 29,861 people · EPA ID TX2460022 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Sep 2025 |
| Lead | 2 ppb (2024–2026) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Apr 2019 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 576 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 |
| VTX Communications Fixed Wireless | 400 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| SOS Communications Fixed Wireless | 100 / 20 |
May also be available: Brightspeed, Optimum, Western Broadband.
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