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13901 MARATHON RD, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,380 sqftBuilt 2011

Property at a Glance

This home is estimated between $321,550 and $613,773, with a best estimate of $495,323. That places the property above the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$321,550 $613,773
Best Estimate
$495,323
WCAD Value
$594,109
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in L591503E - AVERY RANCH FAR WEST PH 1. The estimated range of $321,550 and $613,773 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,675 sqft Built 2010
Raw Value $614,942
Adjusted Value $495,323

Adjusted -$122,041 for 295 sqft less living space and +$2,422 for being newer. Net adjustment: -$119,619.

4 bed 3 bath 1,571 sqft Built 2011
Raw Value $692,789
Adjusted Value $613,773

Adjusted -$79,016 for 191 sqft less living space. Net adjustment: -$79,016.

3 bed 2 bath 1,702 sqft Built 2011
Raw Value $502,330
Adjusted Value $369,119

Adjusted -$133,211 for 322 sqft less living space. Net adjustment: -$133,211.

3 bed 2 bath 1,886 sqft Built 2010
Raw Value $528,459
Adjusted Value $321,550

Adjusted -$209,331 for 506 sqft less living space and +$2,422 for being newer. Net adjustment: -$206,909.

4 bed 3 bath 2,150 sqft Built 2013
Raw Value $872,634
Adjusted Value $549,242

Adjusted -$318,548 for 770 sqft less living space and -$4,844 for being older. Net adjustment: -$323,392.

The Neighborhood

This home is valued 22.9% above the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591. With 1,612 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.9% over the past year.

L591503E - AVERY RANCH FAR WEST PH 1

above average
1,612 Properties
$483,591 Median Value
-4.9% YoY Change
0% Have Pool
100% Have Garage
This Home
$594,109
Median
$483,591

This home is +22.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,744 across all districts. With a homestead exemption claimed, that drops to $10,490 — saving $2,254 per year. That's $874 per month a buyer should budget. The assessed value increased +1.4% vs the subdivision average of -4.9%. This above-average increase gives a protest opportunity score of 32 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$6,457
AustinCity0.5240%$3,113
Williamson CountyCounty0.3694%$2,195
Austin Community Collegespecial0.1034%$614
Williamson County FM/RdCounty0.0443%$263
Upper Brushy Creek WCIDWater0.0170%$101
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$12,744
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $495,323 would pay approximately $3,092 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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