Williamson County property record for 405 Longitude Trl, Austin, TX 78717
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,191 sqft · built 2011 |
| Lot Size | 0.164 acres (7,159 sqft) |
| Owner | Company Name on File |
| Tax Bill | $4,794 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-4065-000L-0024 |
| Primary APN | R-16-4065-000L-0024 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 2,191 sqft Living Area |
| 1st Floor Area | 2,191 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2011 |
|---|---|
| Effective Year Built | Effective 2011 |
| Exterior Material | Stone |
| Roof Type | Hip |
| Lot Area | 7,159 sqft (0.164 acres) |
| Garage Area | 700 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 118 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R164065000L0024 |
|---|---|
| Street Address | 405 LONGITUDE TRL |
| City | AUSTIN |
| State | TX |
| Zip | 78717-4967 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S9848 - HIGHLAND HORIZON PH 2, BLOCK L, LOT 24 |
| Legal Subdivision | HIGHLAND HORIZON PH 2 |
| Legal Block | L |
| Legal Lot Number | 24 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 20503 |
405 Longitude Trl is owned by a company that acquired it in September 2016 and is owner-occupied.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 405 LONGITUDE TRL, AUSTIN, TX 78717-4967 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Life Tenant |
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 |
|---|---|
| Last Sale | Sep 29, 2016 |
| Deed Sale | Sep 29, 2016 |
| Prior Sale | May 28, 2015 · Amount on File |
| Deed Document Number | 201691507 |
| Prior Transfer Date | May 18, 2015 |
| Prior Transfer Doc | 0000043694 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 405 Longitude Trl was $4,794 with exemptions applied.
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 | $4,794.00 Homeowner's exemption Disabled Person's exemption Senior Citizen's exemption Veteran's exemption | $602,090 Land $149,000 Building $453,090 | $602,090 Land $149,000 Building $453,090 |
| 2023 | $4,872.00 (-29.14%) Homeowner's exemption Disabled Person's exemption Veteran's exemption | $666,124 Land $170,000 Building $496,124 | $666,124 Land $170,000 Building $496,124 |
| 2022 | $6,876.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 405 Longitude Trl 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 |
| 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 405 Longitude Trl 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 80% of the US · lower than 94% 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: FCC Broadband Data Collection, based on 388 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 | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Western Broadband.
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