3640 Windhill Loop, Round Rock, TX 78681 Property Records

Williamson County property record for 3640 Windhill Loop, Round Rock, TX 78681 · Last verified October 2025

Property Highlights

Property Type	Residential > Single Family > Home
Bathrooms	3 Baths
Year Built	Built 1999
Square Footage	2,793 sqft Living Area
Lot Size	0.117 acres
Garage	389 sqft
Occupancy	Owner Occupied
Tax Bill	$6,059.00 (2025)

Primary APN	`R-16-5552-000A-0022`
Alternative APNs	`R361039` `188383`

Full Baths	3 Baths
Partial Baths	1 Partial Baths
Building Area	2,793 sqft Living Area
1st Floor	1,202 sqft 1st Floor
2nd Floor	1,591 sqft 2nd Floor
Stories	2 Stories
Primary Flooring	Carpet Flooring
Interior Structure	Wallboard/Drywall Interior Structure
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Year Built	Built 1998
Effective Year Built	Effective 1999
Exterior Material	Brick Veneer Exterior
Foundation Type	Mat/Raft Foundation (Slab) Foundation
Roof Construction	Hip Roof Construction
Lot Area	5,116 sqft
Parking Spaces	1 Parking Spaces
Garage Area	389 sqft Garage
Patio Area	100 sqft Patio
Porch	Open Porch
Porch Area	42 sqft Porch

Cooling System	Central Cooling
Heating System	Central Heating

Account Number	R361039
Street Address	3640 WINDHILL LOOP
City	ROUND ROCK
State	TX
Zip	78681-1102
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	S6323 - STONE OAK AT ROUND ROCK SEC 2, BLOCK A, LOT 22
Legal Subdivision	STONE OAK AT ROUND ROCK
Legal Block	A
Legal Lot Number	22
Jurisdiction	WILLIAMSON TX
Minor Civil Division	ROUND ROCK-GEORGETOWN
Census Blockgroup	3
Census Block	3002
Census Tract	20608

Source: Williamson County records · APN R-16-5552-000A-0022

Assessment roll updated August 1, 2025 · Last verified October 2025

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Owner of Record	Individual Name on File
Co-owner	Verified Secondary Owner
Mailing Address	3640 WINDHILL LOOP, ROUND ROCK, TX 78681-1102
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified October 2025

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

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	$6,059.00 (+5.83%) Homeowner's exemption	$465,159 (+12.5%) Land $84,000 Building $381,159	$465,159 (+12.5%) Land $84,000 Building $381,159
2023	$5,725.00 (-6.29%) Homeowner's exemption	$413,467 Land $86,000 Building $327,467	$413,467 Land $86,000 Building $327,467
2022	$6,109.00