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3646 Windhill Loop, Round Rock, TX 78681 Property Records

Williamson County property record for 3646 Windhill Loop, Round Rock, TX 78681 · Last verified August 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bathrooms2.5 Baths
Year BuiltBuilt 2000
Square Footage1,454 sqft Living Area
Lot Size5,408 sqft (0.124 acres)
Garage426 sqft
Tax Bill$6,109.00 (2025)

Property Details

APN / Parcel Number

Primary APNR-16-5554-000A-0026
Alternative APNs
  • R383987
  • 204812

Interior

Full Baths2.5 Baths
Partial Baths1 Partial Baths
Building Area1,454 sqft Living Area
1st Floor663 sqft 1st Floor
2nd Floor791 sqft 2nd Floor
Stories2 Stories
Primary FlooringCarpet Flooring
Interior StructureWallboard/Drywall Interior Structure
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 2000
Effective Year BuiltEffective 2000
Exterior MaterialBrick Veneer Exterior
Roof ConstructionHip Roof Construction
Lot Area5,408 sqft (0.124 acres)
Parking Spaces2 Parking Spaces
Garage Area426 sqft Garage
Patio Area100 sqft Patio
PorchOpen Porch
Porch Area24 sqft Porch

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating
Heating FuelGas Heating Fuel
SewageSewage Connected
Water SourceYes (Unknown Type) Water Source

Location & Zoning

Account NumberR165554000A0026
Street Address3646 WINDHILL LOOP
CityROUND ROCK
StateTX
Zip78681-1082
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionS7037 - STONE OAK AT ROUND ROCK SEC 4, BLOCK A, LOT 26
Legal SubdivisionSTONE OAK AT ROUND ROCK SEC 4
Legal BlockA
Legal Lot Number26
JurisdictionWILLIAMSON TX
Minor Civil DivisionROUND ROCK-GEORGETOWN
Census Blockgroup3
Census Block3002
Census Tract20608

Owner

Source: Williamson County records · APN R-16-5554-000A-0026

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 Company Names on File
Mailing Address22 OROVILLE, IRVINE, CA 92602-0922
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

DateDocument
Aug 05, 2026Warranty Deed, Transfer
NONE LISTED ON DOCUMENT
Jul 20, 2026Warranty Deed, Transfer
NONE LISTED ON DOCUMENT
Oct 19, 2021Deed of Trust, Mortgage · Conventional Mortgage
HOMEXPRESS MORTGAGE CORP
Jul 20, 2026Correction Deed, Transfer
NONE LISTED ON DOCUMENT

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleDec 07, 2007
Deed SaleDec 07, 2007
Prior SaleDec 13, 2006 · Amount on Record
Deed Doc Number2007101212
Prior Transfer DateNov 29, 2007
Prior Transfer Doc0000060377
Record RefreshedSep 20, 2026

August 2026: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionWILLIAMSON TX
Recording DateAug 05, 2026
Property Address3646 WINDHILL LOOP, ROUND ROCK, TX 78681-1082
Document Number0000066019
Instrument DateJul 31, 2026
Instrument202666019
Transaction TypeTransfer
Record UpdatedAug 17, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arms Length Transaction
  • Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTrust
Address22 OROVILLE, IRVINE, CA 92602-0922

July 2026: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionWILLIAMSON TX
Recording DateJul 20, 2026
Property Address3646 WINDHILL LOOP, ROUND ROCK, TX 78681-1082
Document Number0000060378
Instrument DateJul 20, 2026
Instrument202660378
Transaction TypeTransfer
Record UpdatedJul 30, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address22 OROVILLE, IRVINE, CA 92602-0922

October 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWILLIAMSON TX
Property Address3646 WINDHILL LOOP, ROUND ROCK, TX 78681-1082
Transaction TypeMortgage
Record UpdatedOct 29, 2021
Title CompanyHERITAGE TITLE LT, HERITAGE TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000159391
DateOct 19, 2021
Instrument2021159391
Lender
NameHOMEXPRESS MORTGAGE CORP
TypeMortgage Company
AddressSANTA ANA, CA 92705
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term481 Months
DueNov 01, 2061

July 2026: Correction Deed, Transfer

Document TypeCorrection Deed
JurisdictionWILLIAMSON TX
Recording DateJul 20, 2026
Property Address3646 WINDHILL LOOP, ROUND ROCK, TX 78681-1082
Document Number0000060377
Instrument DateNov 29, 2007
Instrument202660377
Transaction TypeTransfer
Record UpdatedJul 30, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTrust
Address22 OROVILLE, IRVINE, CA 92602-0922

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateTexas
CountyWilliamson County
MunicipalityRound Rock City
Unified School DistrictRound Rock 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$6,109.00 (-5.52%)$339,575 (-2.31%) Land $84,000 Building $255,575$339,575 (-2.31%) Land $84,000 Building $255,575
2024$6,466.00 (+6.05%)
2023$6,097.00 (-20.8%)$347,617 Land $86,000 Building $261,617$347,617 Land $86,000 Building $261,617
2022$7,698.00

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