517 Big Brown Dr, Austin, TX 78737 Property Records

Hays County property record for 517 Big Brown Dr, Austin, TX 78737

Property Summary

Property Type	Single Family Home
Details	4,019 sqft · built 2018
Lot Size	1.77 acres (77,493 sqft)
Owner	Trust Name on File
Tax Bill	$11,784 (2024)
Deeds & Mortgages	Apr 2018 Transfer Mar 2018 Construction Loan + 3 more
Flood Zone	Zone X (minimal risk)
APN	`R145547`

Property Details

APN / Parcel Number

Primary APN	`R145547`
Alternative APN	`11-4549-0000-07200-4`

Interior

Stories	1 Story
Building Area	4,019 sqft Living Area
Gross Area	5,010 sqft

Exterior

Year Built	Built 2018
Exterior Material	Brick
Foundation Type	Slab (Mat/Raft)
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	77,493 sqft (1.77 acres)
Garage Type	Mixed
Garage Area	991 sqft
Parking Spaces	4 Parking Spaces
Pool Type	Spa / Hot Tub (No Pool)
Porch	Porch
Porch Area	543 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	517 BIG BROWN DR
City	AUSTIN
State	TX
Zip	78737-2544
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	KEY RANCH SEC 2, LOT 72, ACRES 1.779 TAX CODES:RSP,SDS
Legal Subdivision	KEY RANCH SEC 2
Legal Lot Number	72
Jurisdiction	HAYS TX
Township / Civil Division	DRIPPING SPRINGS-WIMBERLEY
Census Block Group	1
Census Block	1002
Census Tract	10809

Owner

517 Big Brown Dr is owner-occupied and held in a trust since April 2018.

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

Owner of Record	Trust Name on File
Mailing Address	517 BIG BROWN DR, AUSTIN, TX 78737-2544
Occupancy	Owner Occupied
Owner Type	Company
Vesting	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
Apr 25, 2018	Quit Claim Deed, Transfer Quitclaim
Mar 27, 2018	Grant Deed, Construction Loan · Construction Mortgage BROADWAY BK
Nov 27, 2017	Loan Modification, Mortgage TEXAS CAP BK
Nov 27, 2017	Grant Deed, Transfer OTHER
Nov 27, 2017	Grant Deed, Transfer OTHER

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 27, 2018
Deed Sale	Mar 27, 2018
Prior Sale	Mar 27, 2018
Deed Document Number	0000010348
Last Transfer Date	Apr 25, 2018
Transfer Doc	0000014308
Record Updated	Jun 8, 2026

April 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	HAYS TX
Recording Date	Apr 25, 2018
Property Address	517 BIG BROWN DR, AUSTIN, TX 78737-2544
Document Number	0000014308
Instrument Date	Apr 20, 2018
Instrument	14308
Transaction Type	Transfer
Record Updated	May 28, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	517 BIG BROWN DR DRIPPING SPRINGS TX 78620, DRIPPING SPRINGS, TX 78620

March 2018: Grant Deed, Construction Loan

Document Type	Grant Deed
Jurisdiction	HAYS TX
Recording Date	Mar 27, 2018
Property Address	517 BIG BROWN DR, AUSTIN, TX 78737-2544
Document Number	0000010348
Instrument Date	Mar 23, 2018
Instrument	10348
Transaction Type	Construction Loan
Record Updated	Sep 11, 2020
Title Company	OTHER

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	110 SAN ANTONIO ST #505 AUSTIN TX 787014662, 505, AUSTIN, TX 78701-4662

Mortgage

Document Number	10350
Date	Mar 27, 2018
Instrument	10350

Lender

Name	BROADWAY BK
Type	Bank
Address	SAN ANTONIO, TX 78209

Agreement

Type	Construction Mortgage
Amount	Amount on Record
Term	180 Months
Due	Mar 26, 2033

November 2017: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	HAYS TX
Recording Date	Nov 27, 2017
Property Address	517 BIG BROWN DR, AUSTIN, TX 78737-2544
Instrument Date	Nov 21, 2017
Instrument	41149
Transaction Type	Mortgage
Record Updated	Dec 12, 2017
Title Company	OTHER

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	780 S APOLLO BLVD #1 MELBOURNE FL 329011402, 1, MELBOURNE, FL 32901-1402

Mortgage

Document Number	0000041149
Date	Nov 27, 2017
Instrument	41149

Lender

Name	TEXAS CAP BK
Type	Bank
Address	2350 LAKESIDE BLVD # 800, RICHARDSON, TX 75082-4340

Agreement

Amount	Amount on Record
Term	12 Months
Due	Nov 26, 2018

November 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	HAYS TX
Recording Date	Nov 27, 2017
Property Address	517 BIG BROWN DR, AUSTIN, TX 78737-2544
Document Number	0000041146
Instrument Date	Nov 21, 2017
Instrument	41146
Transaction Type	Transfer
Record Updated	Jan 3, 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

November 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	HAYS TX
Recording Date	Nov 27, 2017
Property Address	517 BIG BROWN DR, AUSTIN, TX 78737-2544
Document Number	0000041148
Instrument Date	Nov 21, 2017
Instrument	41148
Transaction Type	Transfer
Record Updated	Jan 3, 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	2060 N HWY AIA #308 MELBOURNE FL 32937, 308, MELBOURNE, FL 32937

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		$1,301,690 Land $349,020 Building $952,670	$1,301,690 Land $349,020 Building $952,670
2024	$11,784.00
2023		$1,137,943 Land $349,020 Building $1,088,080	$1,437,100 Land $349,020 Building $1,088,080
2022	$14,352.00

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

Flood

FEMA maps place 517 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 517 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 43% 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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