18504 Tanner Bayou Loop, Austin, TX 78738 Property Records

Travis County property record for 18504 Tanner Bayou Loop, Austin, TX 78738

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,127 sqft · built 2014
Lot Size	0.153 acres (6,673 sqft)
Owner	2 Individual Names on File
Last Sale	$425,058 (Jul 2026)
Tax Bill	$12,408 (2025)
Deeds & Mortgages	Jul 2026 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`0127921112`

Property Details

APN / Parcel Number

Primary APN	`0127921112`
Alternative APNs	`01279211120000` `837765`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Stories	1 Story
Building Area	2,127 sqft Living Area
Gross Area	2,547 sqft
1st Floor Area	2,127 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2014
Effective Year Built	Effective 2014
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	6,673 sqft (0.153 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	232 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	837765
Street Address	18504 TANNER BAYOU LOOP
City	AUSTIN
State	TX
Zip	78738-6080
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 12 BLK C SWEETWATER RANCH SEC 1 VILLAGE I
Legal Subdivision	SWEETWATER RANCH SEC 1 VILLAGE I
Legal Block	C
Legal Lot Number	12
Jurisdiction	TRAVIS TX
Township / Civil Division	SOUTHWEST TRAVIS
Census Block Group	1
Census Block	1059
Census Tract	36500

Owner

18504 Tanner Bayou Loop is owned and occupied by two individuals who bought it in July 2026.

Source: Travis County records, as of August 11, 2026

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	2 Individual Names on File
Mailing Address	18504 TANNER BAYOU LOOP, AUSTIN, TX 78738-6080
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 30, 2026 · Amount on File
Deed Sale	Jul 30, 2026 · Amount on File
Prior Sale	Oct 28, 2015
Deed Document Number	202691090
Record Updated	Sep 20, 2026

July 2026: Deed, Transfer

Document Type	Deed
Jurisdiction	TRAVIS TX
Recording Date	Jul 30, 2026
Property Address	18504 TANNER BAYOU LOOP, AUSTIN, TX 78738-6080
Document Number	0000091090
Instrument Date	Jul 29, 2026
Instrument	202691090
Transaction Type	Transfer
Record Updated	Oct 23, 2026
Title Company	CAPITAL TITLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000091091,
Date	Jul 30, 2026
Instrument	202691091

Lender

Name	UNITED WHOLESALE MORTGAGE

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Aug 1, 2056

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

Tax Assessment & Valuation

The 2025 property tax bill for 18504 Tanner Bayou Loop was $12,408, down 10.5% from the year before.

Source: Travis County assessment roll, as of March 16, 2026

Property Jurisdictions

Type	Name
State	Texas
County	Travis County
Unified School District	Lake Travis Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$12,408.00 (-10.46%)	$485,385 Land $136,734 Building $348,651	$485,385 Land $136,734 Building $348,651
2024	$13,858.00
2023		$606,305 Land $150,000 Building $456,305	$606,305 Land $150,000 Building $456,305
2022	$15,471.00

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

Flood

FEMA maps place 18504 Tanner Bayou Loop in Zone X, an area of minimal flood risk.

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
Flood Insurance Cost	Premium on File median of 10 policies
Nearby Flood Policies	10 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

Wildfire risk around 18504 Tanner Bayou Loop is moderate, ranking above 50% of the US, with a 0.08% annual chance of wildfire.

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

Wildfire Risk	Moderate above 50% of the US · lower than 75% of Texas
Wildfire Likelihood	0.08% annual chance
Exposure	Indirect within 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	LAZY NINE MUD 1B serves 4,669 people · EPA ID TX2270417
Water Source	Purchased surface water from WEST TRAVIS COUNTY PUBLIC UTILITY AGENCY
Last State Inspection	Oct 2023
Lead	1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Lead service line inventory Oct 2024
Monitoring and Reporting	4 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 584 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Nextlink Fixed Wireless	500 / 200
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20