Williamson County property record for 423 Star Mountain Ln, Georgetown, TX 78633
| Property Type | Single Family Home |
|---|---|
| Details | 3.5 ba · 3,891 sqft · built 2016 |
| Lot Size | 0.179 acres (7,800 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $8,233 (2025) |
| Deeds & Mortgages | Feb 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | R-20-9931-5604-0135 |
| Primary APN | R-20-9931-5604-0135 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,891 sqft Living Area |
| Gross Area | 4,251 sqft |
| 1st Floor Area | 2,791 sqft |
| 2nd Floor Area | 1,100 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Roof Material | Other |
| Lot Area | 7,800 sqft (0.179 acres) |
| Garage Area | 646 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Screened Porch |
| Porch Area | 622 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R20993156040135 |
|---|---|
| Street Address | 423 STAR MOUNTAIN LN |
| City | GEORGETOWN |
| State | TX |
| Zip | 78633-5707 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S10237 - SUN CITY TEXAS NEIGHBORHOOD 56, BLOCK 4, LOT 135, ACRES 0.17906 |
| Legal Subdivision | SUN CITY TEXAS NEIGHBORHOOD 56 |
| Legal Block | 4 |
| Legal Lot Number | 135 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 3 |
| Census Block | 3018 |
| Census Tract | 20118 |
423 Star Mountain Ln is owned and occupied by an individual who acquired it in February 2023.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 423 STAR MOUNTAIN LN, GEORGETOWN, TX 78633-5707 |
| Occupancy | Owner Occupied |
| 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 | Oct 19, 2016 |
| Deed Sale | Oct 19, 2016 |
| Deed Document Number | 201698710 |
| Last Transfer Date | Feb 28, 2023 |
| Transfer Doc | 0000014926 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Feb 28, 2023 |
| Property Address | 423 STAR MOUNTAIN LN, GEORGETOWN, TX 78633-5707 |
| Document Number | 0000014926 |
| Map Reference | DOC 2012029360 |
| Instrument Date | Feb 28, 2023 |
| Instrument | 2023014926 |
| Transaction Type | Transfer |
| Record Updated | Mar 16, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 423 STAR MOUNTAIN LN, GEORGETOWN, TX 78633-5707 |
| Name | Verified Name |
|---|---|
| Address | 423 STAR MOUNTAIN LN, GEORGETOWN, TX 78633-5707 |
The 2025 property tax bill for 423 Star Mountain Ln was $8,233.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Georgetown City |
| County | Williamson County |
| Unified School District | Georgetown Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,233.00 Homeowner's exemption Senior Citizen's exemption | $840,767 Land $84,000 Building $756,767 | $840,767 Land $84,000 Building $756,767 |
| 2023 | $9,219.00 (-22.98%) Homeowner's exemption Senior Citizen's exemption | $782,424 Land $90,000 Building $692,424 | $782,424 Land $90,000 Building $692,424 |
| 2022 | $11,969.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 423 Star Mountain 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 |
| Flood Insurance Cost | Premium on File median of 28 policies |
| Nearby Flood Policies | 28 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 423 Star Mountain Ln is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 90% of Texas |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 GEORGETOWN serves 191,639 people · EPA ID TX2460001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2025 |
| Lead | 5 ppb (2024–2026) action level 15 ppb |
| Water Quality | Total trihalomethanes not recorded as resolved · Apr 2026 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 323 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Cable | 940 / 35 |
| VTX Communications Fixed Wireless | 400 / 50 |
| Western Broadband Fixed Wireless | 200 / 40 |
May also be available: SOS Communications, Verizon.
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