3963 Sapphire Loop, Round Rock, TX 78681 Property Records

Williamson County property record for 3963 Sapphire Loop, Round Rock, TX 78681 · Last verified August 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bathrooms2 Baths
Year BuiltBuilt 2007
Square Footage2,345 sqft Living Area
Lot Size8,302 sqft (0.191 acres)
Garage420 sqft
OccupancyOwner Occupied
Last Sale$301,900 (2018)
Tax Bill$7,819.00 (2025)

Property Details

APN / Parcel Number

Primary APNR17W334609C0012
Alternative APNs
  • R-17-W334-609C-0012-0005
  • R475488
  • 277292

Interior

Full Baths2 Baths
Total Rooms2 Rooms
Building Area2,345 sqft Living Area
1st Floor2,345 sqft 1st Floor
Stories1 Stories
Primary FlooringTile Flooring
Interior StructureWallboard/Drywall Interior Structure
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 2007
Effective Year BuiltEffective 2007
Exterior MaterialStone Exterior
Roof ConstructionMansard Roof Construction
Lot Area8,302 sqft (0.191 acres)
Parking Spaces2 Parking Spaces
Garage Area420 sqft Garage
PorchOpen Porch
Porch Area255 sqft Porch

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Account NumberR17W334609C0012
Street Address3963 SAPPHIRE LOOP
CityROUND ROCK
StateTX
Zip78681-2429
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionS9099 - MAYFIELD RANCH SEC 9, BLOCK C, LOT 12
Legal SubdivisionMAYFIELD RANCH SEC 9
Legal BlockC
Legal Lot Number12
JurisdictionWILLIAMSON TX
Minor Civil DivisionROUND ROCK-GEORGETOWN
Census Blockgroup1
Census Block1016
Census Tract20609

Owner

Source: Williamson County records · APN R17W334609C0012

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 Address3963 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

DateDocument
Aug 05, 2026Deed of Trust, Mortgage · Line of Credit
AUSTIN TELCO FEDERAL CREDIT UNION
Nov 21, 2020Deed of Trust, Mortgage
WILLIAM & BARBARA CROCKEN
Mar 02, 2018Warranty Deed, Transfer
CALIBER HM LOANS

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 02, 2018 · Amount on Record
Deed SaleMar 02, 2018 · Amount on Record
Prior SaleFeb 04, 2008 · Amount on Record
Deed Doc Number201817843
Prior Transfer DateFeb 28, 2018
Prior Transfer Doc0000017843
Record RefreshedSep 20, 2026

August 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWILLIAMSON TX
Recording DateAug 05, 2026
Property Address3963 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429
Document Number0000065854
Instrument DateJul 31, 2026
Instrument202665854
Transaction TypeMortgage
Record UpdatedAug 17, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

NameVerified Name
Address3963 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429

Mortgage

Document Number0000065854,
DateAug 05, 2026
Instrument202665854
Lender
NameAUSTIN TELCO FEDERAL CREDIT UNION
Agreement
TypeLine of Credit
AmountAmount Recorded
Term60 Months
DueJul 30, 2031
Interest
Rate6.43%
Max Rate-1%

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWILLIAMSON TX
Property Address3963 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429
Document Number0000147599
Instrument DateNov 21, 2020
Transaction TypeMortgage
Record UpdatedDec 08, 2020
Title CompanyATTORNEY ONLY

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband And Wife
Address3963 SAPPHIRE LOOP ROUND ROCK TX 786812429, ROUND ROCK, TX 78681-2429

Mortgage

Document Number0000147599
DateNov 23, 2020
Instrument147599
Lender
NameWILLIAM & BARBARA CROCKEN
Address11819 PAVILION BLVD # 218, AUSTIN, TX 78759-2394
Agreement
AmountAmount Recorded

March 2018: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionWILLIAMSON TX
Recording DateMar 02, 2018
Property Address3963 SAPPHIRE LOOP, ROUND ROCK, TX 78681-2429
Document Number0000017843
Instrument DateFeb 28, 2018
Instrument17843
Transaction TypeTransfer
Record UpdatedMar 16, 2018
Title CompanyFIRST AMERICAN TITLE

Transaction

Tax$0.00
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3963 SAPPHIRE LOOP ROUND ROCK TX 786812429, ROUND ROCK, TX 78681-2429

Mortgage

Document Number17844
DateMar 02, 2018
Instrument17844
Lender
NameCALIBER HM LOANS
TypeFunding / Finance Company
AddressIRVING, TX 75063
Agreement
AmountAmount Recorded
Term360 Months
DueMar 01, 2048

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 DistrictLeander 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$7,819.00 (+4.32%) Homeowner's exemption$540,671 (+1.01%)$560,425 (+4.7%) Land $128,000 Building $432,425
2023$7,495.00 (-6.07%) Homeowner's exemption$535,289 Land $132,000 Building $403,289$535,289 Land $132,000 Building $403,289
2022$7,979.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

Wildfire RiskLow
above 32% of the US · above 9% of Texas
Wildfire LikelihoodAbout 1 in 3,846 per year
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

Values are read at the parcel center point; lenders make the official flood determination.

Nearby Properties on Sapphire Loop

Nearby Streets

Search Property Records by Address or Parcel Number