604 Blackson Ave, Austin, TX 78752 Property Records

Travis County property record for 604 Blackson Ave, Austin, TX 78752 · Last verified November 2025

Property Summary

Property Type	Single Family Home
Details	1 ba · 1,112 sqft · built 1979
Lot Size	0.177 acres (7,732 sqft)
Owner	Owner Name on File
Tax Bill	$5,422 (2024)
Deeds & Mortgages	Dec 2023 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`0231140514`

Property Details

APN / Parcel Number

Primary APN	`0231140514`
Alternative APNs	`02311405140000` `232622`

Interior

Full Baths	1 Bath
Stories	1 Story
Building Area	1,112 sqft Living Area
1st Floor Area	1,112 sqft

Exterior

Year Built	Built 1979
Construction Type	Wood Frame
Foundation Type	Slab (Mat/Raft)
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	7,732 sqft (0.177 acres)
Lot Dimensions	150 ft deep x 50 ft wide
Porch	Open Porch
Porch Area	40 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	HVAC

Location & Zoning

Account Number	232622
Old Parcel Number	02311405140000
Street Address	604 BLACKSON AVE
City	AUSTIN
State	TX
Zip	78752-2617
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 20 BLK 5 ST JOHNS HOME ADDN
Legal Subdivision	ST JOHNS HOME ADDN
Legal Block	5
Legal Lot Number	20
Jurisdiction	TRAVIS TX
Township / Civil Division	AUSTIN
Census Block Group	1
Census Block	1005
Census Tract	40000

Owner

Source: Travis County records · APN 0231140514

Assessment roll updated August 1, 2025 · Last verified November 2025

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

Owner of Record	Owner Name on File
Mailing Address	604 BLACKSON AVE, AUSTIN, TX 78752-2617
Occupancy	Owner Occupied

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Feb 23, 1998
Deed Sale	Feb 23, 1998
Prior Sale	Jul 21, 1994
Deed Document Number	0131251805
Deed Book / Page	13125 / 1805
Record Updated	Jun 08, 2026

December 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	TRAVIS TX
Property Address	604 BLACKSON AVE, AUSTIN, TX 78752-2617
Transaction Type	Mortgage
Record Updated	Jan 02, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	604 BLACKSON AVE, AUSTIN, TX 78752-2617

Mortgage

Document Number	0000137025
Date	Dec 08, 2023
Instrument	2023137025

Lender

Name	AUSTIN TELCO FCU
Type	Credit Union
Address	AUSTIN, TX 78759

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	180 Months
Due	Dec 05, 2038

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Travis County records · Assessment roll updated August 1, 2025 · Last verified November 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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$351,825 (-6.58%) Land $260,789 Building $91,036	$351,825 (-6.58%) Land $260,789 Building $91,036
2024	$5,422.00 (+10.05%)
2023		$376,600 Land $240,000 Building $136,600	$376,600 Land $240,000 Building $136,600
2022	$4,927.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Travis County (48453C), updated May 17, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484530400001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Flood Insurance Cost	Premium on Record median of 1 individual NFIP policies nearby
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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.