Williamson County property record for 3909 Sapphire Loop, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 4 ba · 3,500 sqft · built 2011 |
| Owner | Individual Name on File |
| Tax Bill | $13,685 (2025) |
| Deeds & Mortgages | Feb 2022 Mortgage Jun 2021 Sale + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | R475479 |
| Primary APN | R475479 |
|---|---|
| Alternative APNs |
|
| Full Baths | 4 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,500 sqft Living Area |
| 1st Floor Area | 2,000 sqft |
| 2nd Floor Area | 1,500 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2011 |
|---|---|
| Effective Year Built | Effective 2012 |
| Exterior Material | Brick Veneer |
| Foundation Type | Slab (Mat/Raft) |
| Garage Area | 450 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 431 sqft |
|---|---|
| Porch | Open Porch |
| Porch Area | 173 sqft |
| Patio Area | 100 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R475479 |
|---|---|
| Street Address | 3909 SAPPHIRE LOOP |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-2429 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S9099 - MAYFIELD RANCH SEC 9, BLOCK C, LOT 3 |
| Legal Subdivision | MAYFIELD RANCH |
| Legal Block | C |
| Legal Lot Number | 3 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 20609 |
Source: Williamson County records · APN R475479
Assessment roll updated August 1, 2025 · Last verified January 2026
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 |
|---|---|
| Mailing Address | 3909 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Feb 04, 2022 | Vendor's Lien, Transfer · Conventional Mortgage UNIVERSITY FCU |
| Jun 16, 2021 | Special Warranty Deed, Transfer FIDELITY NATIONAL TITLE |
| Oct 15, 2020 | Vendor's Lien, Transfer · Conventional Mortgage CORNERSTONE HOME LENDING INC |
| Sep 29, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Feb 04, 2022 |
| Deed Sale | Feb 04, 2022 |
| Prior Sale | Jun 16, 2021 |
| Deed Document Number | 2022015682 |
| Record Updated | Jun 08, 2026 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Feb 04, 2022 |
| Property Address | 3909 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000015682 |
| Map Reference | CAB BB SL 213-215 |
| Instrument Date | Feb 01, 2022 |
| Instrument | 2022015682 |
| Transaction Type | Transfer |
| Record Updated | Jan 21, 2026 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 410 N SCOTTSDALE RD # RD1600, RD1600, TEMPE, AZ 85288-7094 |
| Name | Verified Name |
|---|---|
| Address | 3909 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000015683 |
|---|---|
| Date | Feb 04, 2022 |
| Instrument | 2022015683 |
| Name | UNIVERSITY FCU |
|---|---|
| Type | Credit Union |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2052 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Jun 16, 2021 |
| Property Address | 3909 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000089423 |
| Map Reference | CAB BB SL 213-215 |
| Instrument Date | Jun 15, 2021 |
| Instrument | 2021089423 |
| Transaction Type | Transfer |
| Record Updated | Jul 01, 2026 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 211 GULFTON ST, LAKEWAY, TX 78738-6203 |
| Name | Verified Name |
|---|---|
| Address | 410 N SCOTTSDALE RD STE 1600, 1600, TEMPE, AZ 85288-0976 |
| Investor | Possibly a Property Investor |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Oct 15, 2020 |
| Property Address | 3909 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000127070 |
| Map Reference | CAB BB SL 213 |
| Instrument Date | Oct 05, 2020 |
| Instrument | 2020127070 |
| Transaction Type | Transfer |
| Record Updated | Sep 05, 2022 |
| Title Company | TEXAS NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3909 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000127071 |
|---|---|
| Date | Oct 15, 2020 |
| Instrument | 2020127071 |
| Name | CORNERSTONE HOME LENDING INC |
|---|---|
| Type | Mortgage Company |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Sep 29, 2020 |
| Property Address | 3909 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000117830 |
| Instrument Date | Sep 26, 2020 |
| Instrument | 117830 |
| Transaction Type | Transfer |
| Record Updated | Oct 08, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3909 SAPPHIRE LOOP ROUND ROCK TX 786812429, ROUND ROCK, TX 78681-2429 |
Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified January 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Municipality | Round Rock City |
| Unified School District | Leander 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 | $13,685.00 (-3.48%) | $744,309 (+2.04%) Land $128,000 Building $616,309 | $744,309 (+2.04%) Land $128,000 Building $616,309 |
| 2023 | $14,178.00 (-19.27%) | $729,450 Land $132,000 Building $597,450 | $729,450 Land $132,000 Building $597,450 |
| 2022 | $17,563.00 |
Source: FEMA National Flood Hazard Layer as of October 5, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Wildfire Risk | Low lower than 67% of the US · lower than 91% of Texas |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Spectrum Fiber · Cable in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Electronic Corporate Pages Fixed Wireless | 200 / 40 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 537 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF ROUND ROCK serves 130,662 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures