Williamson County property record for 3528 Shellcastle Ln, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 2,549 sqft · built 2006 |
| Lot Size | 0.229 acres (9,958 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $7,863 (2025) |
| Deeds & Mortgages | May 2026 Sale Sep 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5693-000G-0007 |
| Primary APN | R-16-5693-000G-0007 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 2,549 sqft Living Area |
| 1st Floor Area | 2,549 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Exterior Material | Brick Veneer |
| Roof Type | Hip |
| Roof Material | Other |
| Lot Area | 9,958 sqft (0.229 acres) |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 466 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R165693000G0007 |
|---|---|
| Street Address | 3528 SHELLCASTLE LN |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-1143 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SF2 |
| Legal Description | S8720 - VILLAGE AT MAYFIELD RANCH PH 3, BLOCK G, LOT 7 |
| Legal Subdivision | VILLAGE AT MAYFIELD RANCH PH 3 |
| Legal Phase | 3 |
| Legal Block | G |
| Legal Lot Number | 7 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 20608 |
Source: Williamson County records, as of May 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 3528 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| May 14, 2026 | Special Warranty Deed, Transfer NONE LISTED ON DOCUMENT |
| Sep 18, 2020 | Vendor's Lien, Transfer · Conventional Mortgage WILLOW BEND MORTGAGE CO |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 14, 2026 |
| Deed Sale | May 14, 2026 |
| Prior Sale | Sep 18, 2020 · Amount on Record |
| Deed Document Number | 202639181 |
| Record Updated | Sep 20, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | May 14, 2026 |
| Property Address | 3528 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Document Number | 0000039181 |
| Instrument Date | May 1, 2026 |
| Instrument | 202639181 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Trust |
| Address | 3528 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Sep 18, 2020 |
| Property Address | 3528 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Document Number | 0000112332 |
| Map Reference | CAB Z SL 283 |
| Instrument Date | Sep 18, 2020 |
| Instrument | 2020112332 |
| Transaction Type | Transfer |
| Record Updated | Dec 6, 2021 |
| Title Company | TEXAS NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3528 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Document Number | 0000112333 |
|---|---|
| Date | Sep 18, 2020 |
| Instrument | 2020112333 |
| Name | WILLOW BEND MORTGAGE CO |
|---|---|
| Type | Mortgage Company |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2050 |
Source: Williamson County assessment roll, as of September 15, 2025
| 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 | $7,863.00 (+2.45%) Homeowner's exemption | $512,224 (+1.25%) Land $120,000 Building $392,224 | $512,224 (+1.25%) Land $120,000 Building $392,224 |
| 2023 | $7,675.00 (-4.39%) Homeowner's exemption | $505,891 Land $136,000 Building $369,891 | $505,891 Land $136,000 Building $369,891 |
| 2022 | $8,027.00 |
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 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: 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 731 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, SOS Communications, VTX Communications, Western Broadband.
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