Williamson County property record for 1521 Tonia Loop, Round Rock, TX 78665
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,868 sqft · built 2006 |
| Lot Size | 0.16 acres (6,989 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $429,590 (Nov 2023) |
| Tax Bill | $4,756 (2025) |
| Deeds & Mortgages | Nov 2025 Mortgage Nov 2023 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5610-000E-0004 |
| Primary APN | R-16-5610-000E-0004 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,868 sqft Living Area |
| 1st Floor Area | 1,868 sqft |
| Flooring | Tile |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Exterior Material | Brick Veneer |
| Roof Material | Other |
| Lot Area | 6,989 sqft (0.16 acres) |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 213 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R165610000E0004 |
|---|---|
| Street Address | 1521 TONIA LOOP |
| City | ROUND ROCK |
| State | TX |
| Zip | 78665-1214 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SF2 |
| Legal Description | S8474 - STONEY BROOK SEC 5, BLOCK E, LOT 4 |
| Legal Subdivision | STONEY BROOK SEC 5 |
| Legal Block | E |
| Legal Lot Number | 4 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 21515 |
Source: Williamson County records, as of September 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1521 TONIA LOOP, ROUND ROCK, TX 78665-1214 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 7, 2025 | Deed of Trust, Mortgage · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC |
| Nov 1, 2023 | Vendor's Lien, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC |
| Jan 30, 2017 | Intrafamily Transfer, Transfer ATTORNEY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 1, 2023 · Amount on Record |
| Deed Sale | Nov 1, 2023 · Amount on Record |
| Prior Sale | May 20, 2015 · Amount on Record |
| Deed Document Number | 202391255 |
| Prior Transfer Date | Jan 6, 2015 |
| Prior Transfer Doc | 0000004980 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 1521 TONIA LOOP, ROUND ROCK, TX 78665-1214 |
| Transaction Type | Mortgage |
| Record Updated | Jun 9, 2026 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN MORTGAGE SLN |
| Name | Verified Name |
|---|---|
| Address | 1521 TONIA LOOP, ROUND ROCK, TX 78665-1214 |
| Document Number | 0000088534 |
|---|---|
| Date | Nov 7, 2025 |
| Instrument | 2025088534 |
| Name | CROSSCOUNTRY MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | CLEVELAND, OH 44114 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2055 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Nov 1, 2023 |
| Property Address | 1521 TONIA LOOP, ROUND ROCK, TX 78665-1214 |
| Document Number | 0000091255 |
| Map Reference | CAB Y SL 184 |
| Instrument Date | Nov 1, 2023 |
| Instrument | 2023091255 |
| Transaction Type | Transfer |
| Record Updated | Nov 23, 2023 |
| Title Company | TEXAS NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 1006 WHELK LOOP, HUTTO, TX 78634-2170 |
| Name | Verified Name |
|---|---|
| Address | 1521 TONIA LOOP, ROUND ROCK, TX 78665-1214 |
| Document Number | 0000091256 |
|---|---|
| Date | Nov 1, 2023 |
| Instrument | 2023091256 |
| Name | CROSSCOUNTRY MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2053 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Jan 30, 2017 |
| Property Address | 1521 TONIA LOOP, ROUND ROCK, TX 78665-1214 |
| Document Number | 0000009407 |
| Map Reference | CAB Y SL184 |
| Instrument Date | Jan 3, 2016 |
| Instrument | 2017009407 |
| Transaction Type | Transfer |
| Record Updated | Dec 6, 2021 |
| Title Company | ATTORNEY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 112 RED BIRD DR, 112, CEDAR PARK, TX 78613 |
| Name | Verified Name |
|---|---|
| Address | 1521 TONIA LOOP, ROUND ROCK, TX 78665-1214 |
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Municipality | Round Rock City |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,756.00 (-24.12%) Homeowner's exemption | $332,591 (-6.94%) Land $82,000 Building $250,591 | $332,591 (-6.94%) Land $82,000 Building $250,591 |
| 2023 | $6,268.00 (-19.82%) Homeowner's exemption | $357,383 Land $84,000 Building $273,383 | $357,383 Land $84,000 Building $273,383 |
| 2022 | $7,817.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 1 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF ROUND ROCK serves 130,662 people · EPA ID TX2460003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2023 |
| Lead | 5 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 478 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 |
May also be available: Astound Broadband, AT&T, SOS Communications, VTX Communications.
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