4569 Post Loop, Round Rock, TX 78681 Property Records

Williamson County property record for 4569 Post Loop, Round Rock, TX 78681

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,435 sqft · built 2021
Lot Size	0.203 acres (8,883 sqft)
Owner	2 Company Names on File
Last Sale	$697,877 (Feb 2022)
Tax Bill	$10,535 (2025)
Deeds & Mortgages	Feb 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`R-20-5410-110G-0115`

Property Details

APN / Parcel Number

Primary APN	`R-20-5410-110G-0115`
Alternative APNs	`R600369` `425084`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Stories	2 Stories
Building Area	2,435 sqft Living Area
1st Floor Area	1,608 sqft
2nd Floor Area	827 sqft

Exterior

Year Built	Built 2021
Effective Year Built	Effective 2021
Exterior Material	Stone
Lot Area	8,883 sqft (0.203 acres)
Garage Area	528 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Patio Area	220 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R205410110G0115
Street Address	4569 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 115
Legal Subdivision	HIGHLANDS AT MAYFIELD RANCH SEC 11
Legal Block	G
Legal Lot Number	115
Jurisdiction	WILLIAMSON TX
Township / Civil Division	ROUND ROCK-GEORGETOWN
Census Block Group	2
Census Block	2000
Census Tract	20609

Owner

Source: Williamson County records · APN R-20-5410-110G-0115

Assessment roll updated September 15, 2025 · Last verified April 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on File
Mailing Address	4569 POST LOOP, ROUND ROCK, TX 78681-2092
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Feb 18, 2022 · Amount on Record
Deed Sale	Feb 18, 2022 · Amount on Record
Deed Document Number	202221722
Last Transfer Date	May 17, 2024
Transfer Doc	0000040243
Record Updated	Jun 08, 2026

February 2022: Vendor's Lien, Transfer

Document Type	Vendor's Lien
Jurisdiction	WILLIAMSON TX
Recording Date	Feb 18, 2022
Property Address	4569 POST LOOP, ROUND ROCK, TX 78681-2092
Document Number	0000021722
Map Reference	DOC 2020100361
Instrument Date	Feb 18, 2022
Instrument	2022021722
Transaction Type	Transfer
Record Updated	Oct 21, 2022
Title Company	INDEPENDENCE TITLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4569 POST LOOP, ROUND ROCK, TX 78681-2092

Mortgage

Document Number	0000021723
Date	Feb 18, 2022
Instrument	2022021723

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Special Notes	Seller Financed

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Mar 01, 2037

Tax Assessment & Valuation

Source: Williamson County records · Assessment roll updated September 15, 2025 · Last verified April 2026

Property Jurisdictions

Type	Name
State	Texas
County	Williamson County
Unified School District	Georgetown Independent School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$10,535.00	$553,065 (+7.93%) Land $109,000 Building $444,065	$553,065 (+7.93%) Land $109,000 Building $444,065
2024	$10,535.00 (+12.22%)
2023	$9,388.00 (-29.62%) Homeowner's exemption	$512,423 Land $115,000 Building $397,423	$512,423 Land $115,000 Building $397,423
2022	$13,339.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Williamson County (48491C), as of October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910206092, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Moderate above 47% of the US · lower than 79% of Texas
Wildfire Likelihood	0.08% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: SOS Communications, Valley Telephone Cooperative, Inc. (TX).

Based on FCC filings for 134 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System, water system TX2460001, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF GEORGETOWN serves 191,639 people
Water Source	Surface water
Last State Inspection	Jul 2025
Lead	5 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.