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3636 Sandy Brook Dr, Round Rock, TX 78665 Property Records

Williamson County property record for 3636 Sandy Brook Dr, Round Rock, TX 78665

Property Summary

Property TypeSingle Family Home
Details2 ba · 2,006 sqft · built 2006
Lot Size0.138 acres (6,011 sqft)
OwnerIndividual Name on File
Last Sale$360,000 (Mar 2021)
Tax Bill$5,894 (2025)
Deeds & MortgagesMar 2021 Mortgage
Flood ZoneZone X (minimal risk)
APNR-16-5611-000G-0026

Property Details

APN / Parcel Number

Primary APNR-16-5611-000G-0026
Alternative APNs
  • R453236
  • 254824

Interior

Full Baths2 Baths
Stories1 Story
Building Area2,006 sqft Living Area
1st Floor Area2,006 sqft
FlooringTile
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 2006
Effective Year BuiltEffective 2006
Exterior MaterialStone
Roof MaterialOther
Lot Area6,011 sqft (0.138 acres)
Garage Area361 sqft
Parking Spaces1 Parking Space
PorchOpen Porch
Porch Area24 sqft
Patio Area64 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Account NumberR165611000G0026
Street Address3636 SANDY BROOK DR
CityROUND ROCK
StateTX
Zip78665-1218
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeSF2
Legal DescriptionS8537 - STONEY BROOK SEC 6, BLOCK G, LOT 26
Legal SubdivisionSTONEY BROOK SEC 6
Legal BlockG
Legal Lot Number26
JurisdictionWILLIAMSON TX
Township / Civil DivisionROUND ROCK-GEORGETOWN
Census Block Group1
Census Block1019
Census Tract21515

Owner

3636 Sandy Brook Dr is owned by an individual who bought it in March 2021.

Source: Williamson County records, as of September 11, 2026

Owner of RecordIndividual Name on File
Mailing Address917 LEOLA LN, ALLEN, TX 75013-6526
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 22, 2021 · Amount on File
Deed SaleMar 22, 2021 · Amount on File
Prior SaleNov 19, 2010 · Amount on File
Deed Document Number202140055
Prior Transfer DateMay 4, 2010
Prior Transfer Doc0000030932
Record UpdatedOct 29, 2026

March 2021: Vendor's Lien, Transfer

Document TypeVendor's Lien
JurisdictionWILLIAMSON TX
Recording DateMar 22, 2021
Property Address3636 SANDY BROOK DR, ROUND ROCK, TX 78665-1218
Document Number0000040055
Map ReferenceCAB Y SL 323&324
Instrument DateMar 17, 2021
Instrument2021040055
Transaction TypeTransfer
Record UpdatedDec 6, 2021
Title CompanyCHICAGO TITLE/FL KEYS, CHICAGO TITLE OF TEXAS

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address1106 NORTHCROSS DR, 1106, SALADO, TX 76571-2003

Transferred To (Grantee/Buyer)

NameVerified Name
Address3636 SANDY BROOK DR, ROUND ROCK, TX 78665-1218

Mortgage

Document Number0000040056
DateMar 22, 2021
Instrument2021040056
Lender
NameLOANDEPOT.COM LLC
TypeMortgage Company
Special NotesSeller Financed
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueApr 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 3636 Sandy Brook Dr was $5,894, down 4.9% from the year before.

Source: Williamson County assessment roll, as of September 11, 2026

Property Jurisdictions

TypeName
StateTexas
CountyWilliamson County
MunicipalityRound Rock City
Unified School DistrictRound Rock Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$5,894.00 (-4.87%)$295,564 Land $82,000 Building $213,564$295,564 Land $82,000 Building $213,564
2024$6,196.00 (+3.09%)
2023$6,010.00 (-20.76%)$342,659 Land $84,000 Building $258,659$342,659 Land $84,000 Building $258,659
2022$7,585.00

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

Flood

FEMA maps place 3636 Sandy Brook Dr in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 5, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force

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.

Wildfire

Wildfire risk around 3636 Sandy Brook Dr is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 94% of the US · lower than 97.4% of Texas
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF ROUND ROCK
serves 130,662 people · EPA ID TX2460003
Water SourceSurface water
Last State InspectionSep 2023
Lead5 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 558 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Google Fiber
Fiber		8,000 / 8,000
Spectrum
Cable		1,000 / 35
Verizon
Fixed Wireless		300 / 20
AT&T
DSL · Fiber in parts of the area		100 / 20

May also be available: Optimum, SOS Communications.

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