2003 Mariah Cv, Round Rock, TX 78665 Property Records

Williamson County property record for 2003 Mariah Cv, Round Rock, TX 78665

Property Summary

Property Type	Single Family Home
Details	2 ba · 2,756 sqft · built 1997
Lot Size	0.306 acres (13,325 sqft)
Owner	2 Individual Names on File
Tax Bill	$6,358 (2025)
Deeds & Mortgages	Dec 2022 Line of Credit Nov 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`R-16-3510-000A-0006`

Property Details

APN / Parcel Number

Primary APN	`R-16-3510-000A-0006`
Alternative APNs	`R360415` `187847`

Interior

Full Baths	2 Baths
Stories	2 Stories
Building Area	2,756 sqft Living Area
1st Floor Area	1,569 sqft
2nd Floor Area	1,187 sqft
Flooring	Carpet
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1997
Effective Year Built	Effective 1997
Exterior Material	Brick Veneer
Roof Type	Hip
Lot Area	13,325 sqft (0.306 acres)
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	44 sqft
Patio Area	192 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R163510000A0006
Street Address	2003 MARIAH CV
City	ROUND ROCK
State	TX
Zip	78665-2806
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	S6333 - CHANDLER CREEK SEC 7A (REPLAT LTS 4-6, 8-12, 18-19,, BLOCK A, LOT 6
Legal Subdivision	CHANDLER CREEK SEC 7A (REPLAT LTS 4-6, 8
Legal Block	A
Legal Lot Number	6
Jurisdiction	WILLIAMSON TX
Township / Civil Division	ROUND ROCK-GEORGETOWN
Census Block Group	2
Census Block	2000
Census Tract	21512

Owner

2003 Mariah Cv is owned and occupied by two individuals who acquired it in January 2017.

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

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

Owner of Record	2 Individual Names on File
Mailing Address	2003 MARIAH CV, ROUND ROCK, TX 78665-2806
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 20, 2022	Deed of Trust, Mortgage · Line of Credit UNIVERSITY FCU
Nov 27, 2019	Deed of Trust, Mortgage UNIVERSITY CU
Apr 7, 2017	Deed of Trust, Mortgage · Line of Credit UNIVERSITY CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 31, 2017
Deed Sale	Jan 31, 2017
Deed Document Number	20179720
Record Updated	Oct 29, 2026

December 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WILLIAMSON TX
Property Address	2003 MARIAH CV, ROUND ROCK, TX 78665-2806
Transaction Type	Mortgage
Record Updated	Jan 3, 2023
Title Company	CAPITAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2003 MARIAH CV, ROUND ROCK, TX 78665-2806

Mortgage

Document Number	0000138363
Date	Dec 20, 2022
Instrument	2022138363

Lender

Name	UNIVERSITY FCU
Type	Credit Union
Address	AUSTIN, TX 78759

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2053

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WILLIAMSON TX
Property Address	2003 MARIAH CV, ROUND ROCK, TX 78665-2806
Document Number	0000116615
Instrument Date	Nov 27, 2019
Transaction Type	Mortgage
Record Updated	Jan 3, 2020
Title Company	TRINITY TITLE/TX LLC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	2003 MARIAH CV ROUND ROCK TX 786652806, ROUND ROCK, TX 78665-2806

Mortgage

Document Number	0000116615
Date	Dec 3, 2019
Instrument	116615

Lender

Name	UNIVERSITY CU
Type	Credit Union
Address	AUSTIN, TX 78759

Agreement

Amount	Amount on Record
Term	180 Months
Due	Dec 2, 2034

April 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WILLIAMSON TX
Property Address	2003 MARIAH CV, ROUND ROCK, TX 78665-2806
Document Number	0000032535
Instrument Date	Apr 7, 2017
Transaction Type	Mortgage
Record Updated	Apr 25, 2017

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	2003 MARIAH CV ROUND ROCK TX 786652806, ROUND ROCK, TX 78665-2806

Mortgage

Document Number	0000032535
Date	Apr 13, 2017
Instrument	32535

Lender

Name	UNIVERSITY CU
Type	Credit Union
Address	AUSTIN, TX 78759

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	180 Months
Due	Apr 12, 2032

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 2003 Mariah Cv was $6,358 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	Round Rock Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$6,358.00 Homeowner's exemption	$389,690 Land $77,000 Building $312,690	$389,690 Land $77,000 Building $312,690
2023	$5,363.00 (-7.21%) Homeowner's exemption	$409,166 Land $77,000 Building $332,166	$409,166 Land $77,000 Building $332,166
2022	$5,780.00

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

Flood

FEMA maps place 2003 Mariah Cv 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	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 2003 Mariah Cv is low, with a 0.02% 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	0.02% 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	CITY OF ROUND ROCK serves 130,662 people · EPA ID TX2460003
Water Source	Surface water
Last State Inspection	Sep 2023
Lead	5 ppb (2021–2023) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 535 locations within half a mile, as of December 31, 2025

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

May also be available: Astound Broadband, Google Fiber.

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