4203 Flat Stone Ct, Round Rock, TX 78665 Property Records

Williamson County property record for 4203 Flat Stone Ct, Round Rock, TX 78665

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,759 sqft · built 2003
Lot Size	0.146 acres (6,359 sqft)
Owner	Individual Name on File
Last Sale	$365,390 (Oct 2025)
Tax Bill	$6,059 (2025)
Deeds & Mortgages	Oct 2025 Mortgage May 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`R-16-5646-0002-0017`

Property Details

APN / Parcel Number

Primary APN	`R-16-5646-0002-0017`
Alternative APNs	`R413699` `225800`

Interior

Full Baths	2 Baths
Stories	1 Story
Building Area	1,759 sqft Living Area
1st Floor Area	1,759 sqft
Flooring	Carpet
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Exterior Material	Brick Veneer
Roof Type	Hip
Lot Area	6,359 sqft (0.146 acres)
Garage Area	476 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	259 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R16564600020017
Street Address	4203 FLAT STONE CT
City	ROUND ROCK
State	TX
Zip	78665-1175
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	S7625 - TERAVISTA SEC 8, BLOCK 2, LOT 17
Legal Subdivision	TERAVISTA SEC 8
Legal Block	2
Legal Lot Number	17
Jurisdiction	WILLIAMSON TX
Township / Civil Division	ROUND ROCK-GEORGETOWN
Census Block Group	4
Census Block	4007
Census Tract	21510

Owner

4203 Flat Stone Ct is owned and occupied by an individual who bought it in October 2025.

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

Owner of Record	Individual Name on File
Mailing Address	4203 FLAT STONE CT, ROUND ROCK, TX 78665-1175
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Unmarried Woman

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
Oct 1, 2025	Vendor's Lien, Transfer · VA Mortgage UNITED WHOLESALE MORTGAGE
May 15, 2020	Warranty Deed, Transfer BETTER MTG CORP ISAOA
Apr 9, 2018	Warranty Deed, Transfer NTFN

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 1, 2025 · Amount on File
Deed Sale	Oct 1, 2025 · Amount on File
Prior Sale	May 15, 2020 · Amount on File
Deed Document Number	202577802
Prior Transfer Date	Mar 13, 2020
Prior Transfer Doc	0000050285
Record Updated	Oct 29, 2026

October 2025: Vendor's Lien, Transfer

Document Type	Vendor's Lien
Jurisdiction	WILLIAMSON TX
Recording Date	Oct 1, 2025
Property Address	4203 FLAT STONE CT, ROUND ROCK, TX 78665-1175
Document Number	0000077802
Map Reference	CAB T SL 358
Instrument Date	Oct 1, 2025
Instrument	2025077802
Transaction Type	Transfer
Record Updated	Oct 14, 2025
Title Company	UNKNOWN, CTOT

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1174 SW HARDWICKE LN, ANKENY, IA 50023-2176

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4203 FLAT STONE CT, ROUND ROCK, TX 78665-1175

Mortgage

Document Number	0000077803
Date	Oct 1, 2025
Instrument	2025077803

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Special Notes	Seller Financed

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2055

May 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WILLIAMSON TX
Recording Date	May 15, 2020
Property Address	4203 FLAT STONE CT, ROUND ROCK, TX 78665-1175
Document Number	0000050285
Instrument Date	May 14, 2020
Instrument	50285
Transaction Type	Transfer
Record Updated	Jun 2, 2020
Title Company	INDEPENDENCE TITLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4203 FLAT STONE CT ROUND ROCK TX 786651175, ROUND ROCK, TX 78665-1175

Mortgage

Document Number	50286
Date	May 15, 2020
Instrument	50286

Lender

Name	BETTER MTG CORP ISAOA
Address	NEW YORK, NY 10271

Agreement

Amount	Amount on Record
Term	360 Months
Due	May 14, 2050

April 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WILLIAMSON TX
Recording Date	Apr 9, 2018
Property Address	4203 FLAT STONE CT, ROUND ROCK, TX 78665-1175
Document Number	0000029222
Instrument Date	Mar 29, 2018
Instrument	29222
Transaction Type	Transfer
Record Updated	May 1, 2018
Title Company	CAPSTONE TITLE LLC

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	4203 FLAT STONE CT ROUND ROCK TX 786651175, ROUND ROCK, TX 78665-1175

Mortgage

Document Number	29223
Date	Apr 9, 2018
Instrument	29223

Lender

Name	NTFN
Address	LEWISVILLE, TX 75067

Agreement

Amount	Amount on Record
Term	360 Months
Due	Apr 8, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 4203 Flat Stone Ct was $6,059.

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	$6,059.00 Homeowner's exemption	$358,130 Land $87,000 Building $271,130	$358,130 Land $87,000 Building $271,130
2023	$6,176.00 (-7.24%) Homeowner's exemption	$389,511 Land $92,000 Building $297,511	$389,511 Land $92,000 Building $297,511
2022	$6,658.00

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

Flood

FEMA maps place 4203 Flat Stone Ct 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	6 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 4203 Flat Stone Ct is low, with less than 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 97% of the US · lower than 98.3% of Texas
Wildfire Likelihood	Under 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	WILLIAMSON COUNTY MUD 10 serves 3,513 people · EPA ID TX2460145
Water Source	Purchased surface water from CITY OF ROUND ROCK
Last State Inspection	Oct 2024
Lead	2 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 417 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Astound Broadband Cable	1,500 / 50
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: VTX Communications.

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