Williamson County property record for 521 Silver Trl, Round Rock, TX 78664 · Last verified October 2025
| Property Type | Residential > Single Family > Home |
|---|---|
| Bathrooms | 4 Baths |
| Year Built | Built 2016 |
| Square Footage | 3,246 sqft Living Area |
| Garage | 660 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $10,220.00 (2025) |
| Primary APN | R-16-5297-000A-0029 |
|---|---|
| Alternative APNs |
|
| Full Baths | 4 Baths |
|---|---|
| Partial Baths | 1 Partial Baths |
| Building Area | 3,246 sqft Living Area |
| 1st Floor | 2,065 sqft 1st Floor |
| 2nd Floor | 1,181 sqft 2nd Floor |
| Stories | 2 Stories |
| Primary Flooring | Carpet Flooring |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 2015 |
|---|---|
| Effective Year Built | Effective 2016 |
| Exterior Material | Marblecrete Exterior |
| Foundation Type | Mat/Raft Foundation (Slab) Foundation |
| Parking Spaces | 2 Parking Spaces |
| Garage Area | 660 sqft Garage |
| Porch | Open Porch |
| Porch Area | 113 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Account Number | R517400 |
|---|---|
| Street Address | 521 SILVER TRL |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-4019 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | S10302 - SILVER LEAF PH 2, BLOCK A, LOT 29 |
| Legal Subdivision | SILVER LEAF PH 2 |
| Legal Phase | 2 |
| Legal Block | A |
| Legal Lot Number | 29 |
| Jurisdiction | WILLIAMSON TX |
| Minor Civil Division | TAYLOR |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 20814 |
Source: Williamson County records · APN R-16-5297-000A-0029
Assessment roll updated August 1, 2025 · Last verified October 2025
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| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 521 SILVER TRL, ROUND ROCK, TX 78664-4019 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 02, 2015 |
| Deed Sale | Nov 02, 2015 |
| Deed Doc Number | 2015096481 |
| Record Refreshed | Jun 08, 2026 |
Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Unified School District | Round Rock Independent School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $10,220.00 (+5.58%) Homeowner's exemption | $593,689 (+9.13%) Land $114,000 Building $479,689 | $593,689 (+9.13%) Land $114,000 Building $479,689 |
| 2023 | $9,680.00 (-2.78%) Homeowner's exemption | $544,041 Land $115,000 Building $429,041 | $544,041 Land $115,000 Building $429,041 |
| 2022 | $9,957.00 |
521 Silver Trl is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (Low risk).
Source: FEMA National Flood Hazard Layer · Williamson County (48491C), updated October 5, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Low 34th percentile of exposed land nationally · 9th in Texas |
|---|---|
| Wildfire Likelihood | Low — about 1 in 4,348 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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