Williamson County property record for 3944 Upper Passage Ln, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,010 sqft · built 2000 |
| Lot Size | 0.169 acres (7,357 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $7,495 (2025) |
| Deeds & Mortgages | May 2020 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5013-000C-0061 |
| Primary APN | R-16-5013-000C-0061 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,010 sqft Living Area |
| 1st Floor Area | 920 sqft |
| 2nd Floor Area | 1,090 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Exterior Material | Brick Veneer |
| Roof Type | Hip |
| Lot Area | 7,357 sqft (0.169 acres) |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 75 sqft |
| Patio Area | 218 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | R165013000C0061 |
|---|---|
| Street Address | 3944 UPPER PASSAGE LN |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-1092 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SF2 |
| Legal Description | S7265 - PRESERVE AT STONE OAK PH 1 SEC 3, BLOCK C, LOT 61 |
| Legal Subdivision | PRESERVE AT STONE OAK PH 1 SEC 3 |
| Legal Phase | 1 |
| Legal Block | C |
| Legal Lot Number | 61 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 20608 |
3944 Upper Passage Ln is owned by an individual who acquired it in May 2020.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4412 PASADA LN, ROUND ROCK, TX 78681-1683 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 21, 2020 |
| Deed Sale | May 21, 2020 |
| Deed Document Number | 202052850 |
| Prior Transfer Date | Nov 9, 2006 |
| Prior Transfer Doc | 0000013487 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | May 21, 2020 |
| Property Address | 3944 UPPER PASSAGE LN, ROUND ROCK, TX 78681-1092 |
| Document Number | 0000052850 |
| Instrument Date | May 21, 2020 |
| Instrument | 52850 |
| Transaction Type | Transfer |
| Record Updated | Jun 5, 2020 |
| Title Company | INDEPENDENCE TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3619 FOSSILWOOD WAY ROUND ROCK TX 786812347, ROUND ROCK, TX 78681-2347 |
The 2025 property tax bill for 3944 Upper Passage Ln was $7,495.
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 | $7,495.00 | $370,165 Land $81,000 Building $289,165 | $370,165 Land $81,000 Building $289,165 |
| 2023 | $6,952.00 (-20.34%) | $396,396 Land $86,000 Building $310,396 | $396,396 Land $86,000 Building $310,396 |
| 2022 | $8,727.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3944 Upper Passage Ln in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 3944 Upper Passage Ln is low, with a 0.02% annual chance of wildfire.
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 | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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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