Williamson County property record for 3936 Sapphire Loop, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 3.5 ba · 3,396 sqft · built 2007 |
| Lot Size | 0.197 acres (8,599 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $659,680 (Dec 2023) |
| Tax Bill | $12,460 (2025) |
| Deeds & Mortgages | Dec 2023 Mortgage May 2021 Sale & Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | R17W334609A0031 |
| Primary APN | R17W334609A0031 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 3,396 sqft Living Area |
| 1st Floor Area | 1,972 sqft |
| 2nd Floor Area | 1,424 sqft |
| Flooring | Tile |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Exterior Material | Stone |
| Roof Material | Other |
| Lot Area | 8,599 sqft (0.197 acres) |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 136 sqft |
| Deck Area | 84 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R17W334609A0031 |
|---|---|
| Street Address | 3936 SAPPHIRE LOOP |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-2429 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SF2 |
| Legal Description | S9099 - MAYFIELD RANCH SEC 9, BLOCK A, LOT 31 |
| Legal Subdivision | MAYFIELD RANCH SEC 9 |
| Legal Block | A |
| Legal Lot Number | 31 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 20609 |
Source: Williamson County assessment roll, as of September 15, 2025
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 File |
|---|---|
| Mailing Address | 3201 E DESERT FLOWER LN, PHOENIX, AZ 85044-8713 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 19, 2023 | Vendor's Lien, Transfer · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP |
| May 19, 2021 | Special Warranty Deed, Transfer · Commercial Mortgage ROCKPORT FINANCIAL SERVICES LP |
| Jun 21, 2023 | |
| Feb 22, 2021 | Deed of Trust, Mortgage · Conventional Mortgage R BANK |
| May 8, 2017 | Deed of Trust, Mortgage · VA Mortgage CARDINAL FINANCIAL COMPANY LP |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 19, 2023 · Amount on Record |
| Deed Sale | Dec 19, 2023 · Amount on Record |
| Prior Sale | Apr 8, 2008 · Amount on Record |
| Deed Document Number | 2023103741 |
| Prior Transfer Date | Apr 16, 2021 |
| Prior Transfer Doc | 0000050609 |
| Record Updated | Sep 20, 2026 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Dec 19, 2023 |
| Property Address | 3936 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000103741 |
| Map Reference | CAB BB SL 213 |
| Instrument Date | Dec 18, 2023 |
| Instrument | 2023103741 |
| Transaction Type | Transfer |
| Record Updated | Jan 1, 2024 |
| Title Company | TEXAS NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 1113 CARRIAGE LOOP, NEW BRAUNFELS, TX 78132-4023 |
| Name | Verified Name |
|---|---|
| Address | 3201 E DESERT FLOWER LN, PHOENIX, AZ 85044-8713 |
| Document Number | 0000103742 |
|---|---|
| Date | Dec 19, 2023 |
| Instrument | 2023103742 |
| Name | AMERICAN PACIFIC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2054 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | TRAVIS TX |
| Recording Date | May 19, 2021 |
| Property Address | 3936 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000112262 |
| Map Reference | CAB BB SL 213 |
| Instrument Date | Apr 16, 2021 |
| Instrument | 2021112262 |
| Transaction Type | Transfer |
| Record Updated | Jun 22, 2021 |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 2801 S LAKELINE BLVD # BLVD1207, 2801, CEDAR PARK, TX 78613-1774 |
| Name | Verified Name |
|---|---|
| Address | 3936 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000112261 |
|---|---|
| Date | May 19, 2021 |
| Instrument | 2021112261 |
| Name | ROCKPORT FINANCIAL SERVICES LP |
|---|---|
| Type | Mortgage Company |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Jurisdiction | WILLIAMSON TX |
|---|---|
| Recording Date | Jun 21, 2023 |
| Property Address | 3936 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Number | 0000050609 |
| Map Reference | CAB BB SL 213 |
| Instrument Date | Apr 16, 2021 |
| Instrument | 2023050609 |
| Record Updated | Jul 3, 2023 |
| Name | Verified Name |
|---|---|
| Address | 2801 S LAKELINE BLVD # BLVD1207, BLVD1207, CEDAR PARK, TX 78613-1774 |
| Name | Verified Name |
|---|---|
| Address | 3936 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 3936 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Transaction Type | Mortgage |
| Record Updated | Mar 9, 2021 |
| Title Company | INDEPENDENCE TITLE AGENCY, INDEPENDENCE TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000023202 |
|---|---|
| Date | Feb 22, 2021 |
| Instrument | 2021023202 |
| Name | R BANK |
|---|---|
| Type | Bank |
| Address | ROUND ROCK, TX 78665 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 3936 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000040958 |
|---|---|
| Date | May 8, 2017 |
| Instrument | 2017040958 |
| Name | CARDINAL FINANCIAL COMPANY LP |
|---|---|
| Type | Mortgage Company |
| Address | CHARLOTTE, NC 28273 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Jun 1, 2032 |
Source: Williamson County assessment roll, as of September 15, 2025
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Municipality | Round Rock City |
| Unified School District | Leander Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $12,460.00 | $680,180 (+2.12%) Land $128,000 Building $552,180 | $680,180 (+2.12%) Land $128,000 Building $552,180 |
| 2024 | $12,460.00 (+33.92%) | ||
| 2023 | $9,304.00 (-4.72%) Homeowner's exemption | $666,034 (+39.44%) Land $132,000 Building $534,034 | $666,034 (+39.44%) Land $132,000 Building $534,034 |
| 2022 | $9,765.00 Homeowner's exemption | $477,652 Land $93,000 Building $384,652 | $477,652 Land $93,000 Building $384,652 |
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 | 3 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 67% of the US · lower than 91% of Texas |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 537 locations within half a mile, as of December 31, 2025
| 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 |
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