309 Sweet Grass Ln, Austin, TX 78738 Property Records

Travis County property record for 309 Sweet Grass Ln, Austin, TX 78738

Property Summary

Property Type	Single Family Home
Details	5 bd · 5 ba · 4,609 sqft · built 2021
Lot Size	0.379 acres (16,488 sqft)
Owner	2 Trust Names on File
Tax Bill	$24,685 (2025)
Deeds & Mortgages	Feb 2025 Sale Nov 2024 Sale + 3 more
Flood Zone	Zone X (minimal risk)
APN	`0125860403`

Property Details

APN / Parcel Number

Primary APN	`0125860403`
Alternative APNs	`01258604030000` `845727`

Interior

Bedrooms	5 Beds
Full Baths	5 Baths
Stories	2 Stories
Building Area	4,609 sqft Living Area
Gross Area	5,589 sqft
1st Floor Area	3,114 sqft
2nd Floor Area	1,495 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2021
Effective Year Built	Effective 2021
Roof Material	Built-Up Asphalt
Lot Area	16,488 sqft (0.379 acres)
Garage Type	Attached
Garage Area	980 sqft
Parking Spaces	3 Parking Spaces
Porch	Open Porch

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	845727
Street Address	309 SWEET GRASS LN
City	AUSTIN
State	TX
Zip	78738-6902
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 172 SERENE HILLS SUBD PHS 2W
Legal Subdivision	SERENE HILLS SUBD PHS 2W
Legal Lot Number	172
Jurisdiction	TRAVIS TX
Township / Civil Division	SOUTHWEST TRAVIS
Census Block Group	1
Census Block	1019
Census Tract	35400

Owner

309 Sweet Grass Ln is owner-occupied and held in a trust since February 2025.

Source: Travis County records, as of March 16, 2026

Owner of Record	2 Trust Names on File
Mailing Address	309 SWEET GRASS LN, AUSTIN, TX 78738-6902
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Living 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 4, 2025	Warranty Deed, Transfer
Nov 27, 2024	Warranty Deed, Transfer
Oct 27, 2020	Deed of Trust, Mortgage · Commercial Mortgage SOUTHSTAR BANK SSB
Nov 22, 2021	Vendor's Lien, Subdivision Related Transfer · Conventional Mortgage SMART CHOICE MORTGAGE A TEXAS LLC
Nov 27, 2019	Grant Deed, Transfer SOUTHSTAR BK SSB

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 4, 2025
Deed Sale	Feb 4, 2025
Prior Sale	Nov 27, 2024
Deed Document Number	202512227
Record Updated	Sep 20, 2026

February 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	TRAVIS TX
Recording Date	Feb 4, 2025
Property Address	309 SWEET GRASS LN, AUSTIN, TX 78738-6902
Document Number	0000012227
Map Reference	DOC NO 201400153
Instrument Date	Feb 3, 2025
Instrument	2025012227
Transaction Type	Transfer
Record Updated	Nov 4, 2025

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	2801 REGENTS PARK, AUSTIN, TX 78746-7619

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	309 SWEET GRASS LN, AUSTIN, TX 78738-6902

November 2024: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	TRAVIS TX
Recording Date	Nov 27, 2024
Property Address	309 SWEET GRASS LN, AUSTIN, TX 78738-6902
Document Number	0000131931
Map Reference	DOC NO 201400153
Instrument Date	Nov 26, 2024
Instrument	2024131931
Transaction Type	Transfer
Record Updated	Nov 4, 2025

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	309 SWEET GRASS LN, LAKEWAY, TX 78738-6902

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2800 REGENTS PARK, AUSTIN, TX 78746-7655

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	TRAVIS TX
Property Address	309 SWEET GRASS LN, LAKEWAY, TX 78738-6902
Transaction Type	Mortgage
Record Updated	Oct 25, 2022
Title Company	INDEPENDENCE TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2015 EVANS RD 100, 100, SAN ANTONIO, TX 78258-7462

Mortgage

Document Number	0000204289
Date	Oct 27, 2020
Instrument	2020204289

Lender

Name	SOUTHSTAR BANK SSB
Type	Bank
Address	MOULTON, TX 77975

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

November 2021: Vendor's Lien, Subdivision Related Transfer

Document Type	Vendor's Lien
Jurisdiction	TRAVIS TX
Recording Date	Nov 22, 2021
Property Address	309 SWEET GRASS LN, AUSTIN, TX 78738-6902
Document Number	0000257857
Map Reference	DOC 201400153
Instrument Date	Nov 22, 2021
Instrument	2021257857
Transaction Type	Subdivision Related Transfer
Record Updated	Nov 4, 2025
Title Company	STEWART TITLE, STEWART TITLE OF AUSTIN LLC

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	2015 EVANS RD STE 100, 100, SAN ANTONIO, TX 78258-7462

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	309 SWEET GRASS LN, LAKEWAY, TX 78738-6902
Investor	Possibly a Property Investor

Mortgage

Document Number	0000257858
Date	Nov 22, 2021
Instrument	2021257858

Lender

Name	SMART CHOICE MORTGAGE A TEXAS LLC
Type	Mortgage Company
Special Notes	Seller Financed

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2051

November 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	TRAVIS TX
Recording Date	Nov 27, 2019
Property Address	309 SWEET GRASS LN, LAKEWAY, TX 78738-6902
Document Number	0000187908
Instrument Date	Nov 27, 2019
Instrument	187908
Transaction Type	Transfer
Record Updated	Sep 11, 2020
Title Company	INDEPENDENCE TITLE

Transaction

Tax	$0.00
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2015 EVANS RD #100 SAN ANTONIO TX 782587462, 100, SAN ANTONIO, TX 78258-7462
Investor	Possibly a Property Investor

Mortgage

Document Number	188576
Date	Nov 27, 2019
Instrument	188576

Lender

Name	SOUTHSTAR BK SSB
Address	100 S MAIN ST, MOULTON, TX 77975-4598

Agreement

Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 309 Sweet Grass Ln was $24,685.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$24,685.00	$1,441,577 Land $207,840 Building $1,233,737	$1,441,577 Land $207,840 Building $1,233,737
2023		$1,680,897 Land $200,000 Building $1,480,897	$1,680,897 Land $200,000 Building $1,480,897
2022	$36,954.00

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

Flood

FEMA maps place 309 Sweet Grass Ln in Zone X, an area of minimal flood risk.

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	8 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 309 Sweet Grass Ln is moderate, ranking above 57% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 57% of the US · lower than 61% of Texas
Wildfire Likelihood	0.1% 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	TRAVIS COUNTY WCID 17 serves 45,165 people · EPA ID TX2270027
Water Source	Surface water
Last State Inspection	Mar 2023
Lead	3 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 46 locations within half a mile, as of December 31, 2025

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

May also be available: Nextlink, Spry Air Fiber.

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