601 Rubio Ave, Round Rock, TX 78664 Property Records

Williamson County property record for 601 Rubio Ave, Round Rock, TX 78664

Property Summary

Property Type	Single Family Home
Details	1 ba · 1,778 sqft · built 1940
Lot Size	0.114 acres (4,966 sqft)
Owner	2 Individual Names on File
Tax Bill	$4,246 (2025)
Flood Zone	Zone X (minimal risk)
APN	`R-16-5360-0003-0004`

Property Details

APN / Parcel Number

Primary APN	`R-16-5360-0003-0004`
Alternative APNs	`R072862` `128092`

Interior

Full Baths	1 Bath
Stories	1 Story
Building Area	1,778 sqft Living Area
Gross Area	1,578 sqft
1st Floor Area	1,778 sqft
Flooring	Tile
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1978
Exterior Material	Wood
Foundation Type	Pier/Post & Beam
Roof Type	Gable
Lot Area	4,966 sqft (0.114 acres)
Garage Area	322 sqft
Parking Spaces	1 Parking Space
Porch	Open Porch
Porch Area	120 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R072862
Street Address	601 RUBIO AVE
City	ROUND ROCK
State	TX
Zip	78664-5866
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SOUTHSIDE ACRES, BLOCK 3, LOT 4, 5(PT)
Legal Subdivision	SOUTHSIDE ACRES
Legal Block	3
Legal Lot Number	4-5 5
Jurisdiction	WILLIAMSON TX
Township / Civil Division	ROUND ROCK-GEORGETOWN
Census Block Group	1
Census Block	1058
Census Tract	20701

Owner

Source: Williamson County records · APN R-16-5360-0003-0004

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	601 RUBIO AVE, ROUND ROCK, TX 78664-5866
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	May 23, 2016
Transfer Doc	0000043524
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	$4,246.00 (-2.46%)	$321,656 (+29.59%) Land $70,912 Building $250,744	$321,656 (+29.59%) Land $70,912 Building $250,744
2023	$4,353.00 (+32.71%)	$248,219 Land $70,912 Building $177,307	$248,219 Land $70,912 Building $177,307
2022	$3,280.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 5, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force
Nearby Flood Claims	8 (1984–1991)
Most Recent Claim	Jan 1991 · river or lake flooding

Wildfire

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.3% of Texas
Wildfire Likelihood	Under 0.01% annual chance
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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Spectrum Cable · Fiber in parts of the area	1,000 / 50
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Google Fiber, Radiate Holdings, SOS Communications.

Based on FCC filings for 66 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF ROUND ROCK serves 130,662 people
Water Source	Surface water
Last State Inspection	Sep 2023
Lead	5 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.