Williamson County property record for 3517 Shellcastle Ln, Round Rock, TX 78681 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 2,667 sqft · built 2008 |
| Lot Size | 0.171 acres (7,482 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $7,800 (2025) |
| Deeds & Mortgages | Nov 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5693-000F-0004 |
| Primary APN | R-16-5693-000F-0004 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,667 sqft Living Area |
| 1st Floor Area | 1,138 sqft |
| 2nd Floor Area | 1,529 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2008 |
|---|---|
| Effective Year Built | Effective 2010 |
| Exterior Material | Brick Veneer |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 7,482 sqft |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 322 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R460781 |
|---|---|
| Street Address | 3517 SHELLCASTLE LN |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-1143 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S8720 - VILLAGE AT MAYFIELD RANCH PH 3, BLOCK F, LOT 4 |
| Legal Subdivision | VILLAGE AT MAYFIELD RANCH |
| Legal Phase | 3 |
| Legal Block | F |
| Legal Lot Number | 4 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 20608 |
Source: Williamson County records · APN R-16-5693-000F-0004
Assessment roll updated August 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 3517 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 09, 2013 |
| Deed Sale | Aug 09, 2013 |
| Prior Sale | May 04, 2009 |
| Deed Document Number | 2013076652 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 3517 SHELLCASTLE LN, ROUND ROCK, TX 78681-1143 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | ALLEGIANCE TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000144762 |
|---|---|
| Date | Nov 18, 2020 |
| Instrument | 2020144762 |
| Name | EVERETT FINANCIAL INC |
|---|---|
| Type | Funding / Finance Company |
| Address | DALLAS, TX 75254 |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2050 |
Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Municipality | Round Rock City |
| 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 | $7,800.00 (+12.88%) Homeowner's exemption | $499,845 (-4.46%) Land $120,000 Building $379,845 | $499,845 (-4.46%) Land $120,000 Building $379,845 |
| 2023 | $6,910.00 (-5.02%) Homeowner's exemption | $523,199 Land $136,000 Building $387,199 | $523,199 Land $136,000 Building $387,199 |
| 2022 | $7,275.00 |
Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910206082, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 731 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Spectrum | Cable | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, Electronic Corporate Pages, SOS Communications, Valley Telephone Cooperative, Inc. (TX). Availability varies by address; speeds are provider-advertised maximums, not measured.
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