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

Williamson County property record for 403 E Austin Ave, Round Rock, TX 78664 · Last verified October 2025

Property Summary

Property Type	Single Family Home
Details	1 ba · 972 sqft · built 1935
Lot Size	0.154 acres (6,750 sqft)
Owner	Individual Name on File
Tax Bill	$3,742 (2025)
Flood Zone	Zone X (minimal risk)
APN	`R-16-5120-0038-0007`

Property Details

APN / Parcel Number

Primary APN	`R-16-5120-0038-0007`
Alternative APNs	`R071519` `126782`

Interior

Full Baths	1 Bath
Stories	1 Story
Building Area	972 sqft Living Area
1st Floor Area	972 sqft
Flooring	Wood
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1935
Effective Year Built	Effective 1965
Exterior Material	Wood
Foundation Type	Pier/Post & Beam
Lot Area	6,750 sqft (0.154 acres)
Porch	Open Porch
Porch Area	50 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R071519
Street Address	403 E AUSTIN AVE
City	ROUND ROCK
State	TX
Zip	78664-5303
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	ROUND ROCK CITY OF, BLOCK 38, LOT 7
Legal Subdivision	ROUND ROCK CITY OF
Legal Block	38
Legal Lot Number	7
Jurisdiction	WILLIAMSON TX
Township / Civil Division	ROUND ROCK-GEORGETOWN
Census Block Group	1
Census Block	1021
Census Tract	20701

Owner

Source: Williamson County records · APN R-16-5120-0038-0007

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	Individual Name on File
Mailing Address	403 E AUSTIN AVE, ROUND ROCK, TX 78664-5303
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	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	$3,742.00 (-0.19%)	$209,583 (-1.95%) Land $171,450 Building $38,133	$209,583 (-1.95%) Land $171,450 Building $38,133
2023	$3,749.00 (+84.68%)	$213,759 Land $184,275 Building $29,484	$213,759 Land $184,275 Building $29,484
2022	$2,030.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910207011, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Policies	2 in force
Nearby Flood Claims	8 (1984–1991)
Most Recent Claim	Jan 1991, river or lake flooding

Wildfire

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

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 289 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Spectrum	Cable	1,000 / 1,000
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20
Starlink	Satellite (low-earth orbit)	280 / 30

May also be available at this address: Google Fiber, AT&T, SOS Communications, Spectrum, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.