3904 Hillside Dr, Round Rock, TX 78681 Property Records

Williamson County property record for 3904 Hillside Dr, Round Rock, TX 78681

Property Summary

Property TypeSingle Family Home
Details2 ba · 1,713 sqft · built 1979
Lot Size0.19 acres (8,257 sqft)
Owner2 Individual Names on File
Tax Bill$5,734 (2025)
Deeds & MortgagesFeb 2024 Line of Credit
Flood ZoneZone X (minimal risk)
APNR-16-3465-0010-0016

Property Details

APN / Parcel Number

Primary APNR-16-3465-0010-0016
Alternative APNs
  • R059225
  • 114573

Interior

Full Baths2 Baths
Stories1 Story
Building Area1,713 sqft Living Area
1st Floor Area1,713 sqft
FlooringCarpet
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1979
Effective Year BuiltEffective 1988
Exterior MaterialWood
Roof TypeGable
Lot Area8,257 sqft (0.19 acres)
Garage Area380 sqft
Parking Spaces1 Parking Space
PorchOpen Porch
Porch Area56 sqft
Patio Area165 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerConnected

Location & Zoning

Account NumberR16346500100016
Street Address3904 HILLSIDE DR
CityROUND ROCK
StateTX
Zip78681-3670
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionS3258 - BRUSHY CREEK SEC 1 (OR SOUTH), BLOCK 10, LOT 16
Legal SubdivisionBRUSHY CREEK SEC 1 (OR SOUTH)
Legal Block10
Legal Lot Number16
JurisdictionWILLIAMSON TX
Township / Civil DivisionROUND ROCK-GEORGETOWN
Census Block Group2
Census Block2001
Census Tract20509

Owner

3904 Hillside Dr is owned and occupied by two individuals.

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

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

Owner of Record2 Individual Names on File
Mailing Address3904 HILLSIDE DR, ROUND ROCK, TX 78681-3670
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Record UpdatedOct 29, 2026

February 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWILLIAMSON TX
Property Address3904 HILLSIDE DR, ROUND ROCK, TX 78681-3670
Transaction TypeMortgage
Record UpdatedFeb 19, 2024

Transferred To (Grantee/Buyer)

NameVerified Name
Address3904 HILLSIDE DR, ROUND ROCK, TX 78681-3670

Mortgage

Document Number0000009183
DateFeb 6, 2024
Instrument2024009183
Lender
NameAUSTIN TELCO FCU
TypeCredit Union
AddressAUSTIN, TX 78759
Agreement
TypeLine of Credit
AmountAmount on Record
Term240 Months
DueFeb 22, 2044

Tax Assessment & Valuation

The 2025 property tax bill for 3904 Hillside Dr was $5,734 with a homeowner's exemption.

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$5,734.00 Homeowner's exemption$316,491 Land $71,500 Building $244,991$316,491 Land $71,500 Building $244,991
2023$5,196.00 (-7.61%) Homeowner's exemption$370,930 Land $83,000 Building $287,930$370,930 Land $83,000 Building $287,930
2022$5,624.00

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

Flood

FEMA maps place 3904 Hillside Dr in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1982.

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 Policies2 in force
Nearby Flood Claims3 (1982–2010)
Claims Outside the SFHA1 of 3
Most Recent ClaimSep 2010 · rainfall accumulation

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

The area around 3904 Hillside Dr has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemBRUSHY CREEK MUD
serves 18,314 people · EPA ID TX2460061
Water SourceSurface water
Last State InspectionMay 2025
Lead1 ppb (2023–2025)
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 510 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL · Fixed Wireless in parts of the area
5,000 / 5,000
Spectrum
Cable
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: SOS Communications, VTX Communications, Western Broadband.

Nearby Properties on Hillside Dr

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