10421 Firethorn Ln, Austin, TX 78750 Property Records

Williamson County property record for 10421 Firethorn Ln, Austin, TX 78750 · Last verified October 2025

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,118 sqft · built 1975
Lot Size	0.171 acres (7,488 sqft)
Owner	Owner Name on File
Tax Bill	$6,299 (2025)
Flood Zone	Zone X (minimal risk)
APN	`R-16-5640-000F-0010`

Property Details

APN / Parcel Number

Primary APN	`R-16-5640-000F-0010`
Alternative APNs	`R075225` `130442`

Interior

Full Baths	2 Baths
Stories	1 Story
Building Area	1,118 sqft Living Area
1st Floor Area	1,118 sqft
Flooring	Carpet
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1982
Exterior Material	Wood
Roof Type	Gable
Lot Area	7,488 sqft
Garage Area	456 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	36 sqft
Patio Area	96 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R075225
Street Address	10421 FIRETHORN LN
City	AUSTIN
State	TX
Zip	78750-1740
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	VILLAGE 1 AT ANDERSON MILL, BLOCK F, LOT 10
Legal Subdivision	VILLAGE 1 AT ANDERSON MILL
Legal Block	F
Legal Lot Number	10
Jurisdiction	WILLIAMSON TX
Township / Civil Division	ROUND ROCK-GEORGETOWN
Census Block Group	2
Census Block	2007
Census Tract	20405

Owner

Source: Williamson County records · APN R-16-5640-000F-0010

Assessment roll updated August 1, 2025 · Last verified October 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	2103 LAURANNE LN, AUSTIN, TX 78733-1537

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Feb 01, 2011
Deed Sale	Feb 01, 2011
Deed Document Number	2011007579
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified October 2025

Property Jurisdictions

Type	Name
State	Texas
Municipality	Austin City
County	Williamson County
Unified School District	Round Rock 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	$6,299.00 (+1.34%)	$284,170 (-9.47%) Land $88,500 Building $195,670	$284,170 (-9.47%) Land $88,500 Building $195,670
2023	$6,216.00 (-20.59%)	$313,906 Land $92,000 Building $221,906	$313,906 Land $92,000 Building $221,906
2022	$7,828.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910204052, 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
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	3 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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 618 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Google Fiber	Fiber	8,000 / 8,000
Spectrum	Cable	1,000 / 1,000
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20
AT&T	DSL	100 / 20
Starlink	Satellite (low-earth orbit)	280 / 30

May also be available at this address: AT&T, Electronic Corporate Pages. Availability varies by address; speeds are provider-advertised maximums, not measured.