604 E Austin Ave, Round Rock, TX 78664 Property Records

Williamson County property record for 604 E Austin Ave, Round Rock, TX 78664 · Last verified October 2025

Property Highlights

Property Type	Residential > Single Family > Home
Bathrooms	2 Baths
Year Built	Built 1985
Square Footage	2,093 sqft Living Area
Lot Size	16,004 sqft (0.367 acres)
Garage	Carport
Occupancy	Owner Occupied
Last Sale	$5,000 (2011)
Tax Bill	$4,101.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`R-16-5500-000A-0005`
Alternative APNs	`R074452` `129673`

Interior

Full Baths	2 Baths
Building Area	2,093 sqft Living Area
1st Floor	2,093 sqft 1st Floor
Stories	1 Stories
Primary Flooring	Carpet Flooring
Interior Structure	Finished/Painted Interior Structure
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1985
Exterior Material	Brick Veneer Exterior
Foundation Type	Pier/Post & Beam Foundation
Roof Construction	Gable Roof Construction
Lot Area	16,004 sqft (0.367 acres)
Garage Type	Carport Garage
Carport	Carport
Carport Area	100 sqft Carport
Porch	Open Porch
Porch Area	135 sqft Porch
Utility Building	240 sqft Utility Building

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Central Heating

Location & Zoning

Account Number	R074452
Street Address	604 E AUSTIN AVE
City	ROUND ROCK
State	TX
Zip	78664-5308
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	S4736 - STARKFIELD, BLOCK A, LOT 4-5, ACRES 0.3674
Legal Subdivision	STARKFIELD
Legal Block	A
Legal Lot Number	4-5
Jurisdiction	WILLIAMSON TX
Minor Civil Division	ROUND ROCK-GEORGETOWN
Census Blockgroup	1
Census Block	1013
Census Tract	20701

Owner

Source: Williamson County records · APN R-16-5500-000A-0005

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 Record	2 Individual Names on File
Mailing Address	604 E AUSTIN AVE, ROUND ROCK, TX 78664-5308
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 31, 2011 · Amount on Record
Deed Sale	Aug 31, 2011 · Amount on Record
Prior Sale	Jul 25, 2008
Deed Doc Number	2011058149
Record Refreshed	Jun 08, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Texas
County	Williamson County
Municipality	Round Rock City
Unified School District	Round 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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$4,101.00 (+5.56%) Homeowner's exemption Senior Citizen's exemption	$559,834 (+6.76%) Land $303,595 Building $256,239	$559,834 (+6.76%) Land $303,595 Building $256,239
2023	$3,885.00 (-30.75%) Homeowner's exemption Senior Citizen's exemption	$524,364 Land $296,553 Building $227,811	$524,364 Land $296,553 Building $227,811
2022	$5,610.00

Flood & Wildfire

604 E Austin Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · Williamson County (48491C), updated October 5, 2026

FEMA Flood Zone	Zone X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach of burnable land

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