4005 Castle Crk, Round Rock, TX 78681 Property Records

Williamson County property record for 4005 Castle Crk, Round Rock, TX 78681

Property Summary

Property Type	Single Family Home
Details	3 ba · 3,692 sqft · built 1999
Lot Size	0.177 acres (7,731 sqft)
Owner	Trust Name on File
Tax Bill	$3,491 (2025)
Deeds & Mortgages	Feb 2018 Transfer Dec 2017 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`R17W349903AD004`

Property Details

APN / Parcel Number

Primary APN	`R17W349903AD004`
Alternative APNs	`R-17-W349-903A-D004-0005` `R351476` `183684`

Interior

Full Baths	3 Baths
Stories	2 Stories
Building Area	3,692 sqft Living Area
1st Floor Area	1,824 sqft
2nd Floor Area	1,868 sqft
Flooring	Carpet
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1999
Effective Year Built	Effective 1999
Exterior Material	Brick Veneer
Roof Type	Hip
Lot Area	7,731 sqft (0.177 acres)
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	30 sqft
Patio Area	240 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Account Number	R17W349903AD004
Street Address	4005 CASTLE CRK
City	ROUND ROCK
State	TX
Zip	78681-1037
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	S5907 - VISTA OAKS SEC 3A, BLOCK D, LOT 4
Legal Subdivision	VISTA OAKS SEC 3A
Legal Block	D
Legal Lot Number	4
Jurisdiction	WILLIAMSON TX
Township / Civil Division	ROUND ROCK-GEORGETOWN
Census Block Group	2
Census Block	2009
Census Tract	20604

Owner

4005 Castle Crk is owner-occupied and held in a trust since February 2018.

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

Owner of Record	Trust Name on File
Mailing Address	4005 CASTLE CRK, ROUND ROCK, TX 78681-1037
Occupancy	Owner Occupied
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

Date	Document
Feb 15, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Dec 14, 2017	Affidavit of Death, Transfer
Dec 14, 2017	Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Feb 7, 2018
Transfer Doc	0000012718
Record Updated	Oct 29, 2026

February 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WILLIAMSON TX
Recording Date	Feb 15, 2018
Property Address	4005 CASTLE CRK, ROUND ROCK, TX 78681-1037
Document Number	0000012718
Instrument Date	Feb 7, 2018
Instrument	12718
Transaction Type	Transfer
Record Updated	Feb 28, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	4005 CASTLE CRK ROUND ROCK TX 786811037, ROUND ROCK, TX 78681-1037

December 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	WILLIAMSON TX
Recording Date	Dec 14, 2017
Property Address	4005 CASTLE CRK, ROUND ROCK, TX 78681-1037
Document Number	0000114395
Instrument Date	Dec 4, 2017
Instrument	114395
Transaction Type	Transfer
Record Updated	Jan 3, 2018

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10101 W PARMER LN #724 AUSTIN TX 787175018, 724, AUSTIN, TX 78717-5018

December 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	WILLIAMSON TX
Recording Date	Dec 14, 2017
Property Address	4005 CASTLE CRK, ROUND ROCK, TX 78681-1037
Document Number	0000114394
Instrument Date	Dec 2, 2017
Instrument	114394
Transaction Type	Transfer
Record Updated	Jan 3, 2018

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10101 W PARMER LN #724 AUSTIN TX 787175018, 724, AUSTIN, TX 78717-5018

Tax Assessment & Valuation

The 2025 property tax bill for 4005 Castle Crk was $3,491 with a homeowner's exemption.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$3,491.00 Homeowner's exemption Senior Citizen's exemption	$624,952 Land $94,000 Building $530,952	$624,952 Land $94,000 Building $530,952
2023	$4,291.00 (-31.99%) Homeowner's exemption Senior Citizen's exemption	$624,239 Land $109,000 Building $515,239	$624,239 Land $109,000 Building $515,239
2022	$6,309.00

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

Flood

FEMA maps place 4005 Castle Crk in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	2 (2004–2010)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Sep 2010 · rainfall accumulation

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 4005 Castle Crk is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 94% of Texas
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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	VISTA OAKS MUD serves 2,724 people · EPA ID TX2460139
Water Source	Purchased surface water from CITY OF ROUND ROCK
Last State Inspection	Dec 2023
Lead	2 ppb (2022–2024) 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, 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 425 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Spectrum Cable	1,000 / 35
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Western Broadband.

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