Beta Williamson County, TX only — data and coverage are limited during early access.

10820 QUARRY OAKS TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,537 sqftBuilt 2003

Property at a Glance

This home is estimated between $659,103 and $782,004, with a best estimate of $718,886. 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

$659,103 $782,004
Best Estimate
$718,886
WCAD Value
$679,036
High Confidence

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

Based on 5 comparable properties in L591503E - AVERY RANCH FAR WEST PH 1, this home's estimated market value is between $659,103 and $782,004. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10824 QUARRY OAKS TRL, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,391 sqft Built 2003
Raw Value $658,486
Adjusted Value $718,886

Adjusted +$60,400 for 146 sqft more living space. Net adjustment: +$60,400.

10828 QUARRY OAKS TRL, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,147 sqft Built 2003
Raw Value $620,662
Adjusted Value $782,004

Adjusted +$161,342 for 390 sqft more living space. Net adjustment: +$161,342.

10817 QUARRY OAKS TRL, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 3 bath 1,139 sqft Built 2002
Raw Value $600,916
Adjusted Value $683,698

Adjusted +$164,652 for 398 sqft more living space and +$2,422 for being newer and -$84,292 for no pool. Net adjustment: +$82,782.

10900 QUARRY OAKS TRL, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,537 sqft Built 2003
Raw Value $764,198
Adjusted Value $764,198

This comparable closely matches the subject property's features.

10813 QUARRY OAKS TRL, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,573 sqft Built 2003
Raw Value $673,996
Adjusted Value $659,103

Adjusted -$14,893 for 36 sqft less living space. Net adjustment: -$14,893.

The Neighborhood

This home is valued 40.4% 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
$679,036
Median
$483,591

This home is +40.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,566 across all districts. With a homestead exemption claimed, that drops to $12,207 — saving $2,359 per year. That's $1,017 per month a buyer should budget. The assessed value increased +2.3% vs the subdivision average of -4.9%. This above-average increase gives a protest opportunity score of 36 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$7,380
AustinCity0.5240%$3,558
Williamson CountyCounty0.3694%$2,509
Austin Community Collegespecial0.1034%$702
Williamson County FM/RdCounty0.0443%$301
Upper Brushy Creek WCIDWater0.0170%$115
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$14,566
36 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $718,886 would pay approximately $4,487 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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