397 Big Brown Dr, Austin, TX 78737 Property Records

Hays County property record for 397 Big Brown Dr, Austin, TX 78737

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 3,246 sqft · built 2017
Lot Size	1.77 acres (77,406 sqft)
Owner	Trust Name on File
Tax Bill	$9,889 (2024)
Deeds & Mortgages	Jan 2018 Mortgage Apr 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`R145548`

Property Details

APN / Parcel Number

Primary APN	`R145548`
Alternative APN	`11-4549-0000-07300-4`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Stories	1 Story
Building Area	3,246 sqft Living Area
Gross Area	3,932 sqft
Fireplaces	2 Fireplaces
Fireplace	Fireplace

Exterior

Year Built	Built 2017
Exterior Material	Stone
Foundation Type	Slab (Mat/Raft)
Roof Type	Gable/Hip
Roof Material	Composition Shingle
Lot Area	77,406 sqft (1.77 acres)
Garage Type	Mixed
Garage Area	686 sqft
Parking Spaces	2 Parking Spaces
Pool Type	Spa / Hot Tub (No Pool)
Porch	Porch
Porch Area	181 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	397 BIG BROWN DR
City	AUSTIN
State	TX
Zip	78737-2542
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	KEY RANCH SEC 2, LOT 73, ACRES 1.777 TAX CODES:RSP,SDS
Legal Subdivision	KEY RANCH SEC 2
Legal Lot Number	73
Jurisdiction	HAYS TX
Township / Civil Division	DRIPPING SPRINGS-WIMBERLEY
Census Block Group	1
Census Block	1002
Census Tract	10809

Owner

397 Big Brown Dr is owner-occupied and held in a trust since January 2018.

Source: Hays County records, as of October 15, 2025

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	Trust Name on File
Co-owner	2 Co-owners on File
Mailing Address	397 BIG BROWN DR, AUSTIN, TX 78737-2542
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 19, 2018	Vendor's Lien, Transfer · Conventional Mortgage VELOCIO MORTGAGE LLC
Apr 7, 2017	Grant Deed, Transfer OTHER

Assessor's Deed Record

Deed Names	3 Names on Deed
Last Sale	Jan 19, 2018
Deed Sale	Jan 19, 2018
Deed Document Number	18002387
Record Updated	Jun 8, 2026

January 2018: Vendor's Lien, Transfer

Document Type	Vendor's Lien
Jurisdiction	HAYS TX
Recording Date	Jan 19, 2018
Property Address	397 BIG BROWN DR, AUSTIN, TX 78737-2542
Document Number	0000002387
Map Reference	DOC2016-16010751
Instrument Date	Jan 18, 2018
Instrument	18002387
Transaction Type	Transfer
Record Updated	Oct 5, 2021

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	10721 RESEARCH BLVD, 10721, AUSTIN, TX 78759-5694

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	397 BIG BROWN DR, AUSTIN, TX 78737-2542
Investor	Possibly a Property Investor

Mortgage

Document Number	0000002395
Date	Jan 19, 2018
Instrument	18002395

Lender

Name	VELOCIO MORTGAGE LLC
Type	Mortgage Company
Special Notes	Seller Financed

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Feb 1, 2033

April 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	HAYS TX
Recording Date	Apr 7, 2017
Property Address	397 BIG BROWN DR, AUSTIN, TX 78737-2542
Document Number	0000011755
Instrument Date	Apr 5, 2017
Instrument	11755
Transaction Type	Transfer
Record Updated	Aug 23, 2018
Title Company	OTHER

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10721 RESEARCH BLVD #B-210 AUSTIN TX 787595694, B-210, AUSTIN, TX 78759-5694

Tax Assessment & Valuation

Source: Hays County assessment roll, as of August 1, 2025

Property Jurisdictions

Type	Name
State	Texas
County	Hays County
Unified School District	Dripping Springs Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$1,034,731 Land $348,660 Building $686,071	$1,034,731 Land $348,660 Building $686,071
2024	$9,889.00
2023		$865,957 Land $348,660 Building $852,138	$1,200,798 Land $348,660 Building $852,138
2022	$12,002.00

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

Flood

FEMA maps place 397 Big Brown Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2013.

Source: FEMA National Flood Hazard Layer, effective May 21, 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
Flood Insurance Cost	Premium on File median of 11 policies
Nearby Flood Policies	11 in force
Nearby Flood Claims	2 (2013–2019)
Claims Outside the SFHA	1 of 2
Most Recent Claim	May 2019 · river or lake flooding

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 397 Big Brown Dr is moderate, ranking above 60% 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 60% of the US · above 44% 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	WEST TRAVIS COUNTY PUBLIC UTILITY AGENCY serves 35,664 people · EPA ID TX2270235
Water Source	Surface water
Last State Inspection	Jul 2023
Lead	2 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	Turbidity resolved · Nov 2025
Treatment and Procedure	None last 10 years
Monitoring and Reporting	2 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 61 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 35
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Nextlink, Spry Air Fiber.

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