529 Big Brown Dr, Austin, TX 78737 Property Records

Hays County property record for 529 Big Brown Dr, Austin, TX 78737

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 4,055 sqft · built 2019
Lot Size	1.72 acres (75,315 sqft)
Owner	Individual Name on Record
Tax Bill	$15,654 (2024)
Deeds & Mortgages	Jul 2021 Mortgage Apr 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`R145546`

Property Details

APN / Parcel Number

Primary APN	`R145546`
Alternative APN	`11-4549-0000-07100-4`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Stories	1 Story
Building Area	4,055 sqft Living Area
Gross Area	5,059 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2019
Exterior Material	Stone
Foundation Type	Slab (Mat/Raft)
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	75,315 sqft (1.72 acres)
Garage Type	Mixed
Garage Area	1,004 sqft
Parking Spaces	4 Parking Spaces
Pool Type	Pool with Hot Tub/Spa
Porch	Porch

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	529 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 71, ACRES 1.729 TAX CODES:RSP,SDS
Legal Subdivision	KEY RANCH SEC 2
Legal Lot Number	71
Jurisdiction	HAYS TX
Township / Civil Division	DRIPPING SPRINGS-WIMBERLEY
Census Block Group	1
Census Block	1002
Census Tract	10809

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Co-owner	Co-owner on Record
Mailing Address	529 BIG BROWN DR, AUSTIN, TX 78737-2544
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 19, 2021	Deed of Trust, Mortgage · Conventional Mortgage ASPIRE BANK
Apr 14, 2020	Vendor's Lien, Subdivision Related Transfer · Conventional Mortgage ENVOY MORTGAGE LTD

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 14, 2020
Deed Sale	Apr 14, 2020
Deed Document Number	20014207
Record Updated	Jun 8, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	HAYS TX
Property Address	529 BIG BROWN DR, AUSTIN, TX 78737-2544
Transaction Type	Mortgage
Record Updated	Oct 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000038747
Date	Jul 19, 2021
Instrument	21038747

Lender

Name	ASPIRE BANK
Type	Funding / Finance Company
Address	DALLAS, TX 75244

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2051

April 2020: Vendor's Lien, Subdivision Related Transfer

Document Type	Vendor's Lien
Jurisdiction	HAYS TX
Recording Date	Apr 14, 2020
Property Address	529 BIG BROWN DR, AUSTIN, TX 78737-2544
Document Number	0000014207
Map Reference	VOL 18 PG 305-309
Instrument Date	Apr 13, 2020
Instrument	20014207
Transaction Type	Subdivision Related Transfer
Record Updated	Oct 5, 2021

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	4885 N WICKHAM RD, 4885, MELBOURNE, FL 32940-8305

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	529 BIG BROWN DR, AUSTIN, TX 78737-2544

Mortgage

Document Number	0000014208
Date	Apr 14, 2020
Instrument	20014208

Lender

Name	ENVOY MORTGAGE LTD
Type	Mortgage Company
Special Notes	Seller Financed

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2050

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		$1,168,498 (-1.96%) Land $340,030 Building $828,468	$1,168,498 (-16.42%) Land $340,030 Building $828,468
2024	$15,654.00 (-12.68%)
2023		$1,191,850 Land $340,030 Building $1,058,048	$1,398,078 Land $340,030 Building $1,058,048
2022	$17,928.00

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

Flood

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 Record 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

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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