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4578 Post Loop, Round Rock, TX 78681 Property Records

Williamson County property record for 4578 Post Loop, Round Rock, TX 78681 · Last verified October 2025

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms3 Baths
Year BuiltBuilt 2022
Square Footage2,808 sqft Living Area
Garage440 sqft
OccupancyOwner Occupied
Tax Bill$10,226.00 (2025)

Property Details

APN / Parcel Number

Primary APNR-20-5410-110S-0008
Alternative APNs
  • R600391
  • 425106

Interior

Bedrooms4 Beds
Full Baths3 Baths
Building Area2,808 sqft Living Area
1st Floor1,894 sqft 1st Floor
2nd Floor914 sqft 2nd Floor
Stories2 Stories
Primary FlooringTile Flooring
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 2021
Effective Year BuiltEffective 2022
Exterior MaterialStone Exterior
Foundation TypeMat/Raft Foundation (Slab) Foundation
Parking Spaces2 Parking Spaces
Garage Area440 sqft Garage
PorchOpen Porch
Porch Area222 sqft Porch

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Account NumberR600391
Street Address4578 POST LOOP
CityROUND ROCK
StateTX
Zip78681-2092
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionS12403 - HIGHLANDS AT MAYFIELD RANCH SEC 11, BLOCK S, LOT 8
Legal BlockS
Legal Lot Number8
JurisdictionWILLIAMSON TX
Minor Civil DivisionROUND ROCK-GEORGETOWN
Census Blockgroup2
Census Block2000
Census Tract20609

Owner

Source: Williamson County records · APN R-20-5410-110S-0008

Assessment roll updated August 1, 2025 · Last verified October 2025

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

Owner of RecordIndividual Name on File
Mailing Address4578 POST LOOP, ROUND ROCK, TX 78681-2092
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJun 30, 2021
Deed SaleJun 30, 2021
Deed Doc Number2021097283
Record RefreshedJun 08, 2026

June 2021: Vendor's Lien, Subdivision Related Transfer

Document TypeVendor's Lien
JurisdictionWILLIAMSON TX
Recording DateJun 30, 2021
Property Address4578 POST LOOP, ROUND ROCK, TX 78681-2092
Document Number0000097283
Map ReferencePL 2020100361
Instrument DateJun 29, 2021
Instrument2021097283
Transaction TypeSubdivision Related Transfer
Record UpdatedOct 21, 2022
Title CompanyNOT AVAILABLE, TPA

Transaction

Tax$0.00
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4578 POST LOOP, ROUND ROCK, TX 78681-2092

Mortgage

Document Number0000097284
DateJun 30, 2021
Instrument2021097284
Lender
NameLOANDEPOT.COM LLC
TypeMortgage Company
Special NotesLender is also the Seller
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 01, 2051

Tax Assessment & Valuation

Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified October 2025

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$10,226.00 (+7.9%) Homeowner's exemption$621,687 (+4.82%) Land $109,000 Building $512,687$621,687 (+4.82%) Land $109,000 Building $512,687
2023$9,477.00 (-4.85%) Homeowner's exemption$593,119 Land $115,000 Building $478,119$593,119 Land $115,000 Building $478,119
2022$9,960.00

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