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11705 QUARTZ CI, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath816 sqftBuilt 1980

Property at a Glance

This home is estimated between $120,095 and $404,869, with a best estimate of $347,017. That places the property below the R353476G - Anderson Mill median of $407,368, in a neighborhood that appreciated 0.2% over the past year.

Estimated Value Range

$120,095 $404,869
Best Estimate
$347,017
WCAD Value
$416,952
High Confidence

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

Based on 5 comparable properties in R353476G - Anderson Mill, this home's estimated market value is between $120,095 and $404,869. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

11700 QUARTZ CI, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,087 sqft Built 1980
Raw Value $464,505
Adjusted Value $359,003

Adjusted -$67,282 for 271 sqft less living space and -$38,220 for no pool. Net adjustment: -$105,502.

10904 OPAL TRL, AUSTIN, TX 78750
0.03 mi 99% similar Same subdivision
4 bed 2 bath 1,476 sqft Built 1980
Raw Value $510,878
Adjusted Value $347,017

Adjusted -$163,861 for 660 sqft less living space. Net adjustment: -$163,861.

10903 OPAL TRL, AUSTIN, TX 78750
0.02 mi 98% similar Same subdivision
4 bed 2 bath 1,586 sqft Built 1980
Raw Value $596,040
Adjusted Value $404,869

Adjusted -$191,171 for 770 sqft less living space. Net adjustment: -$191,171.

10904 TALL OAK TRL, AUSTIN, TX 78750
0.06 mi 95% similar Same subdivision
4 bed 2 bath 1,909 sqft Built 1980
Raw Value $485,207
Adjusted Value $213,843

Adjusted -$271,364 for 1,093 sqft less living space. Net adjustment: -$271,364.

10804 OPAL TRL, AUSTIN, TX 78750
0.07 mi 95% similar Same subdivision
4 bed 2 bath 1,937 sqft Built 1980
Raw Value $436,630
Adjusted Value $120,095

Adjusted -$278,315 for 1,121 sqft less living space and -$38,220 for no pool. Net adjustment: -$316,535.

The Neighborhood

This home is valued 2.4% above the R353476G - Anderson Mill median of $407,368. With 1,663 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.2% over the past year.

R353476G - Anderson Mill

typical
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$416,952
Median
$407,368

This home is +2.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,654 across all districts. With a homestead exemption claimed, that drops to $6,890 — saving $1,764 per year. That's $574 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,724
AustinCity0.5240%$2,185
Williamson CountyCounty0.3694%$1,540
Anderson Mill Limited Districtspecial0.1243%$518
Austin Community Collegespecial0.1034%$431
Williamson County FM/RdCounty0.0443%$185
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,654

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $347,017 would pay approximately $2,166 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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