Williamson County property record for 3508 Shellcastle Ln, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,969 sqft · built 2007 |
| Lot Size | 0.16 acres (6,985 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $366,000 (Oct 2019) |
| Tax Bill | $8,836 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage Aug 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5693-000G-0012 |
| Primary APN | R-16-5693-000G-0012 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,969 sqft Living Area |
| 1st Floor Area | 1,874 sqft |
| 2nd Floor Area | 1,095 sqft |
| Flooring | Tile |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Exterior Material | Brick Veneer |
| Roof Type | Hip |
| Lot Area | 6,985 sqft (0.16 acres) |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 15 sqft |
| Patio Area | 81 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R165693000G0012 |
|---|---|
| Street Address | 3508 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 12 |
| Legal Subdivision | VILLAGE AT MAYFIELD RANCH PH 3 |
| Legal Phase | 3 |
| Legal Block | G |
| Legal Lot Number | 12 |
| 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 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 | 3508 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Feb 12, 2021 | Deed of Trust, Mortgage · Conventional Mortgage AAXY LLC |
| Aug 5, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Oct 23, 2019 | Vendor's Lien, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 23, 2019 · Amount on Record |
| Deed Sale | Oct 23, 2019 · Amount on Record |
| Prior Sale | Aug 30, 2007 · Amount on Record |
| Deed Document Number | 2019101430 |
| Prior Transfer Date | Oct 22, 2019 |
| Prior Transfer Doc | 0000101430 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 3508 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Transaction Type | Mortgage |
| Record Updated | Mar 3, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000021884 |
|---|---|
| Date | Feb 12, 2021 |
| Instrument | 2021021884 |
| Name | AAXY LLC |
|---|---|
| Type | Mortgage Company |
| Address | AUSTIN, TX 78772 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 3508 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000089672 |
|---|---|
| Date | Aug 5, 2020 |
| Instrument | 2020089672 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2050 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Oct 23, 2019 |
| Property Address | 3508 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Document Number | 0000101430 |
| Map Reference | CAB Z SH 283-285 |
| Instrument Date | Oct 22, 2019 |
| Instrument | 2019101430 |
| Transaction Type | Transfer |
| Record Updated | Dec 6, 2021 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 124 OCATE MESA TRL, 124, LIBERTY HILL, TX 78642-6392 |
| Name | Verified Name |
|---|---|
| Address | 3508 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Document Number | 0000101431 |
|---|---|
| Date | Oct 23, 2019 |
| Instrument | 2019101431 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2049 |
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 | $8,836.00 (+22.5%) Homeowner's exemption | $547,080 (-0.5%) Land $107,000 Building $440,080 | $547,080 (-0.5%) Land $107,000 Building $440,080 |
| 2023 | $7,213.00 (-4.75%) Homeowner's exemption | $549,826 Land $136,000 Building $413,826 | $549,826 Land $136,000 Building $413,826 |
| 2022 | $7,573.00 |
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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