16921 Tortoise St, Round Rock, TX 78664 Property Records

Travis County property record for 16921 Tortoise St, Round Rock, TX 78664

Property Summary

Property Type	Single Family Home
Details	2 ba · 2,366 sqft · built 1998
Lot Size	0.218 acres (9,487 sqft)
Owner	Company Name on File
Tax Bill	$8,680 (2025)
Deeds & Mortgages	Jun 2026 Line of Credit Apr 2026 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`0280300558`

Property Details

APN / Parcel Number

Primary APN	`0280300558`
Alternative APNs	`02803005580000` `379608`

Interior

Full Baths	2 Baths
Stories	1 Story
Building Area	2,366 sqft Living Area
Gross Area	2,786 sqft
1st Floor Area	2,366 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1998
Effective Year Built	Effective 1998
Construction Type	Wood
Foundation Type	Slab (Mat/Raft)
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	9,487 sqft (0.218 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	134 sqft
Patio Area	150 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	379608
Street Address	16921 TORTOISE ST
City	ROUND ROCK
State	TX
Zip	78664-8603
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 58 BLK JJ SPRINGBROOK CENTRE PHS B SEC 1
Legal Subdivision	SPRINGBROOK CENTRE PHS B SEC 1
Legal Block	JJ
Legal Lot Number	58
Jurisdiction	TRAVIS TX
Township / Civil Division	NORTHEAST TRAVIS
Census Block Group	1
Census Block	1001
Census Tract	46500

Owner

16921 Tortoise St is owned by a company that acquired it in April 2026.

Source: Travis County records, as of June 23, 2026

Owner of Record	Company Name on File
Mailing Address	1203 BAYLOR ST, AUSTIN, TX 78703-4123
Owner Type	Company
Vesting	Limited Liability Partnership

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
Jun 8, 2026	Deed of Trust, Mortgage · Line of Credit CHAMPIONS FUNDING LLC
Apr 16, 2026	Deed of Trust, Mortgage · Conventional Mortgage TEXAS NATIONAL TITLE
Apr 9, 2026	Warranty Deed, Transfer NONE LISTED ON DOCUMENT
Dec 23, 2019	Warranty Deed, Transfer CAPITAL TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 9, 2026
Deed Sale	Apr 9, 2026
Prior Sale	Dec 23, 2019
Deed Document Number	202639738
Prior Transfer Date	Aug 29, 2000
Prior Transfer Doc	0000152438
Record Updated	Oct 29, 2026

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	TRAVIS TX
Recording Date	Jun 8, 2026
Property Address	16921 TORTOISE ST, ROUND ROCK, TX 78664-8603
Document Number	0000067444
Instrument Date	Jun 5, 2026
Instrument	202667444
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	TEXAS NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership, 266
Address	1317 GRANGER DR, MCKINNEY, TX 75071-1612

Mortgage

Document Number	0000067444,
Date	Jun 8, 2026
Instrument	202667444

Lender

Name	CHAMPIONS FUNDING LLC

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2056

Interest

Rate	6.37%
Max Rate	-1%

April 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	TRAVIS TX
Recording Date	Apr 16, 2026
Property Address	16921 TORTOISE ST, ROUND ROCK, TX 78664-8603
Document Number	0000043666
Instrument Date	Apr 16, 2026
Instrument	202643666
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	TEXAS NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership, 266
Address	1203 BAYLOR ST, AUSTIN, TX 78703-4123

Mortgage

Document Number	0000043666,
Date	Apr 16, 2026
Instrument	202643666

Lender

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months

Interest

Rate	6.22%
Max Rate	-1%

April 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	TRAVIS TX
Recording Date	Apr 9, 2026
Property Address	16921 TORTOISE ST, ROUND ROCK, TX 78664-8603
Document Number	0000039738
Instrument Date	Apr 9, 2026
Instrument	202639738
Transaction Type	Transfer
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership
Address	1203 BAYLOR ST, AUSTIN, TX 78703-4123

December 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	TRAVIS TX
Recording Date	Dec 23, 2019
Property Address	16921 TORTOISE ST, ROUND ROCK, TX 78664-8603
Document Number	0000201989
Instrument Date	Aug 29, 2019
Instrument	201989
Transaction Type	Transfer
Record Updated	Feb 18, 2020
Title Company	CAPITAL TITLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	5300 N FM 973 AUSTIN TX 787247400, AUSTIN, TX 78724-7400

Tax Assessment & Valuation

The 2025 property tax bill for 16921 Tortoise St was $8,680, down 9.2% from the year before.

Source: Travis County assessment roll, as of March 16, 2026

Property Jurisdictions

Type	Name
State	Texas
County	Travis County
Municipality	Pflugerville City
Unified School District	Pflugerville Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$8,680.00 (-9.22%)	$389,531 Land $107,478 Building $282,053	$389,531 Land $107,478 Building $282,053
2024	$9,562.00
2023		$431,202 Land $110,000 Building $321,202	$431,202 Land $110,000 Building $321,202
2022	$11,582.00

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

Flood

FEMA maps place 16921 Tortoise St in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective May 17, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone A, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 29 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	29 in force
Nearby Flood Claims	1 (2023)
Most Recent Claim	Sep 2023 · other causes

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 16921 Tortoise St 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 96% of the US · lower than 97.9% 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	WINDERMERE COMMUNITY private · serves 21,231 people · EPA ID TX2270161
Water Source	Purchased surface water from several systems
Last State Inspection	Mar 2023
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	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 496 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Cable	940 / 35
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: Spectrum.

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