Travis County property record for 3521 Mocha Trl, Austin, TX 78728
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,675 sqft · built 1997 |
| Lot Size | 0.128 acres (5,561 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,459 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0278181718 |
| Primary APN | 0278181718 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,675 sqft Living Area |
| Gross Area | 2,068 sqft |
| 1st Floor Area | 1,675 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 5,561 sqft (0.128 acres) |
| Garage Type | Attached |
| Garage Area | 393 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 98 sqft |
| Patio Area | 91 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 428210 |
|---|---|
| Street Address | 3521 MOCHA TRL |
| City | AUSTIN |
| State | TX |
| Zip | 78728-3595 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 BLK S WILLOW RUN SEC 10-A |
| Legal Subdivision | WILLOW RUN SEC 10-A |
| Legal Block | S |
| Legal Lot Number | 6 |
| Jurisdiction | TRAVIS TX |
| Township / Civil Division | AUSTIN |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 45600 |
3521 Mocha Trl is owned and occupied by an individual who acquired it in December 2005.
Source: Travis County records, as of March 16, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3521 MOCHA TRL, AUSTIN, TX 78728-3595 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Dec 19, 2005 |
| Deed Sale | Dec 19, 2005 |
| Prior Sale | Mar 1, 2004 · Amount on File |
| Deed Document Number | 2005233487 |
| Prior Transfer Date | Feb 24, 2004 |
| Prior Transfer Doc | 0000037238 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3521 Mocha Trl was $1,459 with exemptions applied, down 15.8% from the year before.
Source: Travis County assessment roll, as of March 16, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Travis County |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,459.00 (-15.76%) Homeowner's exemption Senior Citizen's exemption | $400,334 Land $230,294 Building $170,040 | $400,334 Land $230,294 Building $170,040 |
| 2024 | $1,732.00 | ||
| 2023 | $460,040 Land $275,000 Building $185,040 | $460,040 Land $275,000 Building $185,040 | |
| 2022 | $3,076.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3521 Mocha Trl in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 17, 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 | 3 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.
The area around 3521 Mocha Trl has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 475 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Google Fiber Fiber | 8,000 / 8,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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