3636 Rosalina Loop, Round Rock, TX 78665 Property Records

Williamson County property record for 3636 Rosalina Loop, Round Rock, TX 78665

Property Summary

Property Type	Single Family Home
Details	3 ba · 2,964 sqft · built 2009
Lot Size	0.19 acres (8,296 sqft)
Owner	Trust Name on File
Last Sale	$459,400 (Feb 2021)
Tax Bill	$9,368 (2025)
Deeds & Mortgages	Feb 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`R-16-4911-00OO-0031`

Property Details

APN / Parcel Number

Primary APN	`R-16-4911-00OO-0031`
Alternative APNs	`R488012` `291432`

Interior

Full Baths	3 Baths
Stories	2 Stories
Building Area	2,964 sqft Living Area
1st Floor Area	1,956 sqft
2nd Floor Area	1,008 sqft
Flooring	Tile
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2009
Effective Year Built	Effective 2009
Exterior Material	Brick Veneer
Roof Type	Hip
Lot Area	8,296 sqft (0.19 acres)
Garage Area	441 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	418 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R16491100OO0031
Street Address	3636 ROSALINA LOOP
City	ROUND ROCK
State	TX
Zip	78665-5681
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	S9437 - PALOMA LAKE SEC 18, BLOCK OO, LOT 31
Legal Subdivision	PALOMA LAKE SEC 18
Legal Block	OO
Legal Lot Number	31
Jurisdiction	WILLIAMSON TX
Township / Civil Division	TAYLOR
Census Block Group	3
Census Block	3017
Census Tract	20818

Owner

3636 Rosalina Loop is held in a trust since February 2021.

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

Owner of Record	Trust Name on File
Mailing Address	2332 AVALON WAY, SAN RAMON, CA 94582-5716
Owner Type	Company
Vesting	Trust

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 25, 2021 · Amount on File
Deed Sale	Feb 25, 2021 · Amount on File
Prior Sale	Nov 19, 2013
Deed Document Number	202125903
Prior Transfer Date	Feb 24, 2021
Prior Transfer Doc	0000025903
Record Updated	Oct 29, 2026

February 2021: Vendor's Lien, Transfer

Document Type	Vendor's Lien
Jurisdiction	WILLIAMSON TX
Recording Date	Feb 25, 2021
Property Address	3636 ROSALINA LOOP, ROUND ROCK, TX 78665-5681
Document Number	0000025903
Map Reference	DOC 2008048635
Instrument Date	Feb 24, 2021
Instrument	2021025903
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	CAPITAL TITLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	3636 ROSALINA LOOP, 3636, ROUND ROCK, TX 78665-5681

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Revocable Trust
Address	2332 AVALON WAY, SAN RAMON, CA 94582-5716

Mortgage

Document Number	0000025904
Date	Feb 25, 2021
Instrument	2021025904

Lender

Name	CITIBANK NA
Type	Bank
Special Notes	Seller Financed

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 3636 Rosalina Loop was $9,368.

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

Property Jurisdictions

Type	Name
State	Texas
County	Williamson County
Unified School District	Round Rock Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$9,368.00	$472,978 Land $81,500 Building $391,478	$472,978 Land $81,500 Building $391,478
2023	$11,288.00 (-19.81%)	$560,546 Land $86,000 Building $474,546	$560,546 Land $86,000 Building $474,546
2022	$14,076.00

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

Flood

FEMA maps place 3636 Rosalina Loop in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 5, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	9 in force

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

Wildfire risk around 3636 Rosalina Loop is low, with a 0.03% annual chance of wildfire.

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

Wildfire Risk	Low lower than 66% of the US · lower than 90% of Texas
Wildfire Likelihood	0.03% annual chance
Exposure	Direct burnable vegetation

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 System	PALOMA LAKE MUD 2 serves 2,265 people · EPA ID TX2460165
Water Source	Purchased surface water from CITY OF ROUND ROCK
Last State Inspection	Oct 2025
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 430 locations within half a mile, as of December 31, 2025

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

May also be available: SOS Communications, VTX Communications.

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