Williamson County property record for 4621 Post Ln, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,865 sqft · built 2021 |
| Owner | Individual Name on File |
| Tax Bill | $6,655 (2025) |
| Deeds & Mortgages | Nov 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | R-20-5410-10BV-0026 |
| Primary APN | R-20-5410-10BV-0026 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,865 sqft Living Area |
| 1st Floor Area | 1,865 sqft |
| Flooring | Tile |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2022 |
| Exterior Material | Stone |
| Foundation Type | Slab (Mat/Raft) |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 194 sqft |
| Patio Area | 204 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R595993 |
|---|---|
| Street Address | 4621 POST LN |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-2091 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S12327 - HIGHLANDS AT MAYFIELD RANCH SEC 10B, BLOCK V, LOT 26 |
| Legal Block | V |
| Legal Lot Number | 26 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 20609 |
4621 Post Ln is owned and occupied by an individual who acquired it in November 2021.
Source: Williamson County records, as of October 2, 2025
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 4621 POST LN, ROUND ROCK, TX 78681-2091 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Nov 12, 2021 |
| Deed Sale | Nov 12, 2021 |
| Deed Document Number | 2021172953 |
| Record Updated | Jun 8, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Nov 12, 2021 |
| Property Address | 4621 POST LN, ROUND ROCK, TX 78681-2091 |
| Document Number | 0000172953 |
| Map Reference | DOC 2020060695 |
| Instrument Date | Nov 10, 2021 |
| Instrument | 2021172953 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Oct 21, 2022 |
| Title Company | TEXAS PREMIER TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4621 POST LN, ROUND ROCK, TX 78681-2091 |
The 2025 property tax bill for 4621 Post Ln was $6,655 with exemptions applied.
Source: Williamson County assessment roll, as of August 1, 2025
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Unified School District | Georgetown Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,655.00 Homeowner's exemption Senior Citizen's exemption | $460,569 Land $109,000 Building $351,569 | $460,569 Land $109,000 Building $351,569 |
| 2023 | $6,816.00 (-24.33%) Homeowner's exemption Senior Citizen's exemption | $488,472 Land $115,000 Building $373,472 | $488,472 Land $115,000 Building $373,472 |
| 2022 | $9,008.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4621 Post 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 | 2 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 4621 Post Ln is moderate, ranking above 40% of the US, with a 0.07% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 40% of the US · lower than 85% of Texas |
|---|---|
| Wildfire Likelihood | 0.07% 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 512 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Spectrum Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Western Broadband Fixed Wireless | 200 / 40 |
May also be available: SOS Communications, VTX Communications.
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