Williamson County property record for 4537 Post Loop, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,017 sqft · built 2021 |
| Owner | 2 Individual Names on Record |
| Last Sale | $579,300 (Nov 2021) |
| Tax Bill | $8,726 (2025) |
| Deeds & Mortgages | Nov 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R-20-5410-110G-0107 |
| Primary APN | R-20-5410-110G-0107 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 2,017 sqft Living Area |
| 1st Floor Area | 2,017 sqft |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2021 |
| Exterior Material | Stone |
| Garage Area | 453 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R205410110G0107 |
|---|---|
| Street Address | 4537 POST LOOP |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-2092 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S12403 - HIGHLANDS AT MAYFIELD RANCH SEC 11, BLOCK G, LOT 107 |
| Legal Subdivision | HIGHLANDS AT MAYFIELD RANCH SEC 11 |
| Legal Block | G |
| Legal Lot Number | 107 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 20609 |
Source: Williamson County records, as of September 11, 2026
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 Record |
|---|---|
| Mailing Address | 4537 POST LOOP, ROUND ROCK, TX 78681-2092 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 22, 2021 · Amount on Record |
| Deed Sale | Nov 22, 2021 · Amount on Record |
| Deed Document Number | 2021178108 |
| Prior Transfer Date | Nov 19, 2021 |
| Prior Transfer Doc | 0000178108 |
| Record Updated | Oct 29, 2026 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Nov 22, 2021 |
| Property Address | 4537 POST LOOP, ROUND ROCK, TX 78681-2092 |
| Document Number | 0000178108 |
| Map Reference | PL 2020100361 |
| Instrument Date | Nov 19, 2021 |
| Instrument | 2021178108 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Oct 21, 2022 |
| Title Company | NOT AVAILABLE, TPA |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4537 POST LOOP, ROUND ROCK, TX 78681-2092 |
| Investor | Possibly a Property Investor |
| Document Number | 0000178109 |
|---|---|
| Date | Nov 22, 2021 |
| Instrument | 2021178109 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2051 |
Source: Williamson County assessment roll, as of September 11, 2026
| 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 | $8,726.00 (-3.4%) Homeowner's exemption | $463,644 (-9.35%) Land $109,000 Building $354,644 | $463,644 (-9.35%) Land $109,000 Building $354,644 |
| 2024 | $9,033.00 (-3.59%) | ||
| 2023 | $9,369.00 (-14.7%) Homeowner's exemption | $511,475 Land $115,000 Building $396,475 | $511,475 Land $115,000 Building $396,475 |
| 2022 | $10,984.00 |
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 | 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 47% of the US · lower than 79% of Texas |
|---|---|
| Wildfire Likelihood | 0.08% 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 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 134 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 |
| Western Broadband Fixed Wireless | 200 / 40 |
May also be available: SOS Communications, VTX Communications.
5G (outdoors only) and 4G LTE
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