4001 Sierra Dr, Austin, TX 78731 Property Records

Travis County property record for 4001 Sierra Dr, Austin, TX 78731

Property Summary

Property Type	Single Family Home
Details	3 ba · 4,032 sqft · built 1962
Lot Size	0.425 acres (18,552 sqft)
Owner	Individual Name on Record
Tax Bill	$19,121 (2024)
Deeds & Mortgages	Sep 2022 Mortgage Jun 2021 Construction Loan
Flood Zone	Zone X (minimal risk)
APN	`0137050548`

Property Details

APN / Parcel Number

Primary APN	`0137050548`
Alternative APNs	`01370505480000` `134183`

Interior

Full Baths	3 Baths
Stories	2 Stories
Building Area	4,032 sqft Living Area
Gross Area	2,752 sqft
1st Floor Area	3,258 sqft
2nd Floor Area	774 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1962
Effective Year Built	Effective 2021
Construction Type	Wood Frame
Foundation Type	Slab (Mat/Raft)
Roof Material	Galvanized Metal
Lot Area	18,552 sqft (0.425 acres)
Lot Dimensions	153 ft deep x 120 ft wide
Garage Type	Attached
Garage Area	628 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	347 sqft
Deck Area	215 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	HVAC

Location & Zoning

Account Number	134183
Old Parcel Number	01370505480000
Street Address	4001 SIERRA DR
City	AUSTIN
State	TX
Zip	78731-3913
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 BLK J NORTHWEST HILLS SEC 5
Legal Subdivision	NORTHWEST HILLS SEC 5
Legal Block	J
Legal Lot Number	1
Jurisdiction	TRAVIS TX
Township / Civil Division	AUSTIN
Census Block Group	5
Census Block	5000
Census Tract	30600

Owner

Source: Travis County records, as of November 3, 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	Individual Name on Record
Co-owner	Co-owner on Record
Mailing Address	4001 SIERRA DR, AUSTIN, TX 78731-3913
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 30, 2022	Deed of Trust, Mortgage · Conventional Mortgage MORGAN STANLEY PRIVATE BANK NA
Jun 3, 2021	Deed of Trust, Mortgage · Construction Mortgage FROST BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 25, 2015
Deed Sale	Aug 25, 2015
Prior Sale	Oct 31, 2013
Deed Document Number	2015135796
Record Updated	Jun 8, 2026

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	TRAVIS TX
Property Address	4001 SIERRA DR, AUSTIN, TX 78731-3913
Transaction Type	Mortgage
Record Updated	Oct 18, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000160616
Date	Sep 30, 2022
Instrument	2022160616

Lender

Name	MORGAN STANLEY PRIVATE BANK NA
Type	Bank
Address	CINCINNATI, OH 45245

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2052

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	TRAVIS TX
Property Address	4001 SIERRA DR, AUSTIN, TX 78731-3913
Transaction Type	Mortgage
Record Updated	Nov 11, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4001 SLERRA DR, AUSTIN, TX 78731-3913

Mortgage

Document Number	0000124221
Date	Jun 3, 2021
Instrument	2021124221

Lender

Name	FROST BANK
Type	Bank
Address	SAN ANTONIO, TX 78296

Agreement

Type	Construction Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$1,230,196 (-40.94%) Land $539,662 Building $1,529,982	$2,069,644 (-0.64%) Land $539,662 Building $1,529,982
2024	$19,121.00 (+17.89%)
2023		$2,082,876 Land $700,000 Building $1,382,876	$2,082,876 Land $700,000 Building $1,382,876
2022	$16,219.00

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 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
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	9 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

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

Wildfire Risk	Low lower than 98% of the US · lower than 98.8% 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	CITY OF AUSTIN WATER & WASTEWATER serves 1,115,323 people · EPA ID TX2270001
Water Source	Surface water
Last State Inspection	Jul 2023
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	Turbidity resolved · Feb 2022
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 229 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon, Western Broadband.

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