3618 Windhill Loop, Round Rock, TX 78681 Property Records

Williamson County property record for 3618 Windhill Loop, Round Rock, TX 78681 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bathrooms	2.5 Baths
Year Built	Built 1997
Square Footage	3,211 sqft Living Area
Lot Size	6,621 sqft (0.152 acres)
Garage	399 sqft
Occupancy	Owner Occupied
Last Sale	$264,200 (2016)
Tax Bill	$7,487.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`R-16-5552-000A-0011`
Alternative APNs	`R361028` `188372`

Interior

Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Building Area	3,211 sqft Living Area
1st Floor	1,406 sqft 1st Floor
2nd Floor	1,805 sqft 2nd Floor
Stories	2 Stories
Primary Flooring	Carpet Flooring
Interior Structure	Wallboard/Drywall Interior Structure
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1997
Effective Year Built	Effective 1997
Exterior Material	Stone Exterior
Roof Construction	Hip Roof Construction
Lot Area	6,621 sqft (0.152 acres)
Parking Spaces	1 Parking Spaces
Garage Area	399 sqft Garage
Patio Area	120 sqft Patio
Porch	Open Porch
Porch Area	15 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Central Heating

Location & Zoning

Account Number	R165552000A0011
Street Address	3618 WINDHILL LOOP
City	ROUND ROCK
State	TX
Zip	78681-1101
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	S6323 - STONE OAK AT ROUND ROCK SEC 2, BLOCK A, LOT 11
Legal Subdivision	STONE OAK AT ROUND ROCK SEC 2
Legal Block	A
Legal Lot Number	11
Jurisdiction	WILLIAMSON TX
Minor Civil Division	ROUND ROCK-GEORGETOWN
Census Blockgroup	3
Census Block	3002
Census Tract	20608

Owner

Source: Williamson County records · APN R-16-5552-000A-0011

Assessment roll updated January 5, 2026 · Last verified June 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	3618 WINDHILL LOOP, ROUND ROCK, TX 78681-1101
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	May 09, 2016 · Amount on Record
Deed Sale	May 09, 2016 · Amount on Record
Deed Doc Number	201638910
Record Refreshed	Sep 20, 2026

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WILLIAMSON TX
Property Address	3618 WINDHILL LOOP, ROUND ROCK, TX 78681-1101
Transaction Type	Mortgage
Record Updated	Mar 24, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000031622
Date	Mar 11, 2022
Instrument	2022031622

Lender

Name	AMERISAVE MORTGAGE CORP
Type	Mortgage Company
Address	ATLANTA, GA 30305

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 01, 2052

Tax Assessment & Valuation

Source: Williamson County records · Assessment roll updated January 5, 2026 · Last verified June 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	$7,487.00 (+12.72%) Homeowner's exemption	$491,096 (+5.01%)	$525,988 (+12.48%) Land $84,000 Building $441,988
2023	$6,642.00 (-5.26%) Homeowner's exemption	$467,647 Land $86,000 Building $381,647	$467,647 Land $86,000 Building $381,647
2022	$7,011.00