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4573 Post Loop, Round Rock, TX 78681 Property Records

Williamson County property record for 4573 Post Loop, Round Rock, TX 78681 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 3,213 sqft · built 2021
Lot Size0.147 acres (6,410 sqft)
Owner2 Individual Names on File
Last Sale$468,500 (Nov 2021)
Tax Bill$11,228 (2025)
Deeds & MortgagesNov 2021 Mortgage
Flood ZoneZone X (minimal risk)
APNR-20-5410-110G-0116

Property Details

APN / Parcel Number

Primary APNR-20-5410-110G-0116
Alternative APNs
  • R600370
  • 425085

Interior

Bedrooms5 Beds
Full Baths3 Baths
Stories2 Stories
Building Area3,213 sqft Living Area
1st Floor Area2,004 sqft
2nd Floor Area1,209 sqft

Exterior

Year BuiltBuilt 2021
Effective Year BuiltEffective 2021
Exterior MaterialStone
Lot Area6,410 sqft (0.147 acres)
Garage Area481 sqft
Parking Spaces2 Parking Spaces
PorchOpen Porch

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Account NumberR205410110G0116
Street Address4573 POST LOOP
CityROUND ROCK
StateTX
Zip78681-2092
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionS12403 - HIGHLANDS AT MAYFIELD RANCH SEC 11, BLOCK G, LOT 116
Legal SubdivisionHIGHLANDS AT MAYFIELD RANCH SEC 11
Legal BlockG
Legal Lot Number116
JurisdictionWILLIAMSON TX
Township / Civil DivisionROUND ROCK-GEORGETOWN
Census Block Group2
Census Block2000
Census Tract20609

Owner

Source: Williamson County records · APN R-20-5410-110G-0116

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

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

Owner of Record2 Individual Names on File
Mailing Address4573 POST LOOP, ROUND ROCK, TX 78681-2092
OccupancyOwner Occupied
Owner TypeIndividual
VestingHusband and Wife

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleNov 24, 2021 · Amount on Record
Deed SaleNov 24, 2021 · Amount on Record
Prior SaleNov 13, 2020
Deed Document Number2021180282
Prior Transfer DateNov 23, 2021
Prior Transfer Doc0000180282
Record UpdatedSep 20, 2026

November 2021: Vendor's Lien, Subdivision Related Transfer

Document TypeVendor's Lien
JurisdictionWILLIAMSON TX
Recording DateNov 24, 2021
Property Address4573 POST LOOP, ROUND ROCK, TX 78681-2092
Document Number0000180282
Map ReferenceFILE 2020100361
Instrument DateNov 23, 2021
Instrument2021180282
Transaction TypeSubdivision Related Transfer
Record UpdatedOct 21, 2022
Title CompanyTEXAS PREMIER TITLE

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4573 POST LOOP, ROUND ROCK, TX 78681-2092

Mortgage

Document Number0000180283
DateNov 24, 2021
Instrument2021180283
Lender
NameHIGHLAND HOMELOANS LLC
TypeMortgage Company
Special NotesSeller Financed
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueDec 01, 2036

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateTexas
CountyWilliamson County
Unified School DistrictGeorgetown 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.

YearTax BillAssessed ValueAssessed Market Value
2025$11,228.00 Homeowner's exemption$645,261 (+1.98%) Land $109,000 Building $536,261$645,261 (+1.98%) Land $109,000 Building $536,261
2024$11,228.00 (+12.15%)
2023$10,012.00 (-4.57%) Homeowner's exemption$632,748 Land $115,000 Building $517,748$632,748 Land $115,000 Building $517,748
2022$10,492.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910206092, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies2 in force

Wildfire

Wildfire RiskModerate
above 47% of the US · above 21% of Texas
Wildfire LikelihoodAbout 1 in 1,266 per year
ExposureDirect
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, availability as of December 31, 2025 · Published October 2026 · based on 134 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
SpectrumFiber1,000 / 1,000
VerizonFixed Wireless300 / 20
Electronic Corporate PagesFixed Wireless (unlicensed)200 / 40

May also be available at this address: Spectrum, Valley Telephone Cooperative, Inc. (TX), SOS Communications. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G (outdoors only) and 4G LTE

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