1605 Saint Williams Loop, Round Rock, TX 78681 Property Records

Williamson County property record for 1605 Saint Williams Loop, Round Rock, TX 78681 · Last verified April 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bathrooms	2.5 Baths
Year Built	Built 1999
Square Footage	2,268 sqft Living Area
Lot Size	10,364 sqft (0.238 acres)
Garage	500 sqft
Last Sale	$302,000 (2014)
Tax Bill	$9,118.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`R-16-5190-000F-0020`
Alternative APNs	`R072290` `127548`

Interior

Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Building Area	2,268 sqft Living Area
1st Floor	1,488 sqft 1st Floor
2nd Floor	780 sqft 2nd Floor
Stories	2 Stories
Primary Flooring	Carpet Flooring
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1999
Exterior Material	Stone Exterior
Roof Construction	Gable Roof Construction
Lot Area	10,364 sqft (0.238 acres)
Parking Spaces	2 Parking Spaces
Garage Area	500 sqft Garage
Porch	Open Porch
Porch Area	266 sqft Porch
Utility Building	180 sqft Utility Building

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Central Heating
Water Source	Yes (Unknown Type) Water Source

Location & Zoning

Account Number	R165190000F0020
Street Address	1605 SAINT WILLIAMS LOOP
City	ROUND ROCK
State	TX
Zip	78681-5615
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	ROUND ROCK WEST SEC 6A, BLOCK F, LOT 20
Legal Subdivision	ROUND ROCK WEST SEC 6A
Legal Block	F
Legal Lot Number	20
Jurisdiction	WILLIAMSON TX
Minor Civil Division	ROUND ROCK-GEORGETOWN
Census Blockgroup	1
Census Block	1001
Census Tract	20503

Owner

Source: Williamson County records · APN R-16-5190-000F-0020

Assessment roll updated September 15, 2025 · Last verified April 2026

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	4360 LOMA TAURINA DR, EL PASO, TX 79934-3794
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Husband And Wife

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 29, 2014 · Amount on Record
Deed Sale	Jul 29, 2014 · Amount on Record
Deed Doc Number	201459648
Last Transfer Date	Aug 21, 2025
Transfer Doc	0000071486
Record Refreshed	Jun 08, 2026

Tax Assessment & Valuation

Source: Williamson County records · Assessment roll updated September 15, 2025 · Last verified April 2026

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	$9,118.00	$533,508 (+3.96%) Land $115,500 Building $418,008	$533,508 (+3.96%) Land $115,500 Building $418,008
2024	$9,118.00 (+31.35%)
2023	$6,942.00 (-4.98%) Homeowner's exemption	$513,177 Land $110,000 Building $403,177	$513,177 Land $110,000 Building $403,177
2022	$7,306.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE
Flood Hazard	High
100-Year Floodplain	Yes 1% annual chance
Special Flood Hazard Area	Yes
Flood Insurance Requirement	Required (federally backed mortgages)
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM

Wildfire

Wildfire Risk	Low above 4% of the US · above 2% of Texas
Wildfire Likelihood	About 1 in 9,091 per year
Exposure	Direct burnable vegetation at the parcel

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