Williamson County property record for 3602 Cornerstone St, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,264 sqft · built 1982 |
| Lot Size | 0.182 acres (7,934 sqft) |
| Owner | 2 Owner Names on Record |
| Tax Bill | $6,178 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-3466-0013-0029 |
| Primary APN | R-16-3466-0013-0029 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,264 sqft Living Area |
| 1st Floor Area | 1,264 sqft |
| Flooring | Carpet |
| Interior Walls | Custom/Decorative |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1982 |
|---|---|
| Exterior Material | Stone |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Gable |
| Lot Area | 7,934 sqft |
| Garage Area | 428 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
|---|---|
| Porch Area | 350 sqft |
| Deck Area | 192 sqft |
| Patio Area | 142 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R059378 |
|---|---|
| Street Address | 3602 CORNERSTONE ST |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-3709 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S3261 - BRUSHY CREEK SEC 2, BLOCK 13, LOT 29 |
| Legal Subdivision | BRUSHY CREEK |
| Legal Block | 13 |
| Legal Lot Number | 29 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 20515 |
Source: Williamson County records, as of October 2, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Owner Names on Record |
|---|---|
| Mailing Address | 58 WOODLAND LN, ROUND ROCK, TX 78664-9774 |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 14, 2014 |
| Deed Sale | Jan 14, 2014 |
| Deed Document Number | 2014002808 |
| Record Updated | Jun 8, 2026 |
Source: Williamson County assessment roll, as of August 1, 2025
| 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 | $6,178.00 (-5.89%) | $334,334 (-1.93%) Land $79,500 Building $254,834 | $334,334 (-1.93%) Land $79,500 Building $254,834 |
| 2023 | $6,565.00 (-20.09%) | $340,915 Land $83,000 Building $257,915 | $340,915 Land $83,000 Building $257,915 |
| 2022 | $8,216.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 | BRUSHY CREEK MUD serves 18,314 people · EPA ID TX2460061 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2025 |
| Lead | 1 ppb (2023–2025) 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 794 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · 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: SOS Communications, VTX Communications, Western Broadband.
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