Williamson County property record for 100 Binnacle Dr, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 2,925 sqft · built 2015 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $517,600 (Aug 2016) |
| Tax Bill | $13,579 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-4066-000D-0001 |
| Primary APN | R-16-4066-000D-0001 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,925 sqft Living Area |
| 1st Floor Area | 1,944 sqft |
| 2nd Floor Area | 981 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2015 |
|---|---|
| Effective Year Built | Effective 2015 |
| Roof Material | Other |
| Lot Area | 7,841 sqft (0.18 acres) |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 350 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R164066000D0001 |
|---|---|
| Street Address | 100 BINNACLE DR |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-2550 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S10763 - HIGHLAND HORIZON PH 3, BLOCK D, LOT 1, ACRES 0.18 |
| Legal Subdivision | HIGHLAND HORIZON PH 3 |
| Legal Block | D |
| Legal Lot Number | 1 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 20503 |
100 Binnacle Dr is owned and occupied by two individuals who bought it in August 2016.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 100 BINNACLE DR, ROUND ROCK, TX 78681-2550 |
| Occupancy | Owner Occupied |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Aug 18, 2016 · Amount on File |
| Deed Sale | Aug 18, 2016 · Amount on File |
| Prior Sale | Aug 24, 2015 |
| Deed Document Number | 201675541 |
| Prior Transfer Date | Aug 12, 2016 |
| Prior Transfer Doc | 0000075541 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 100 Binnacle Dr was $13,579 with a homeowner's exemption.
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 | $13,579.00 Homeowner's exemption | $773,158 Land $149,000 Building $624,158 | $773,158 Land $149,000 Building $624,158 |
| 2023 | $13,202.00 (-2.63%) Homeowner's exemption | $757,497 Land $170,000 Building $587,497 | $757,497 Land $170,000 Building $587,497 |
| 2022 | $13,559.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 100 Binnacle Dr in Zone X, an area of minimal flood risk, though there have been 56 flood claims nearby since 1981.
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 | 2 in force |
| Nearby Flood Claims | 56 (1981–2010) |
| Most Recent Claim | Sep 2010 · rainfall accumulation |
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 100 Binnacle 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 97% of the US · lower than 98.3% 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: FCC Broadband Data Collection, based on 96 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 1,000 / 1,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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