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11910 TANGLEBRIAR TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed3 bath1,400 sqftBuilt 1981

Property at a Glance

This home is estimated between $405,402 and $509,738, with a best estimate of $468,036. That places the property above the R371X - Round Rock West Below 45 - Duplex median of $419,343, in a neighborhood that declined 8.8% over the past year.

Estimated Value Range

$405,402 $509,738
Best Estimate
$468,036
WCAD Value
$425,048
Low Confidence

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

There are 5 comparable properties within range, but none are in R371X - Round Rock West Below 45 - Duplex. The estimated range of $405,402 and $509,738 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,466 sqft Built 1983
Raw Value $427,576
Adjusted Value $405,402

Adjusted -$13,907 for 66 sqft less living space and -$8,267 for being older. Net adjustment: -$22,174.

4 bed 2 bath 1,476 sqft Built 1978
Raw Value $480,427
Adjusted Value $476,813

Adjusted -$16,014 for 76 sqft less living space and +$12,400 for being newer. Net adjustment: -$3,614.

4 bed 2 bath 1,463 sqft Built 1976
Raw Value $460,645
Adjusted Value $468,036

Adjusted -$13,275 for 63 sqft less living space and +$20,666 for being newer. Net adjustment: +$7,391.

4 bed 2 bath 1,560 sqft Built 1981
Raw Value $439,968
Adjusted Value $406,255

Adjusted -$33,713 for 160 sqft less living space. Net adjustment: -$33,713.

4 bed 2 bath 1,514 sqft Built 1978
Raw Value $521,359
Adjusted Value $509,738

Adjusted -$24,021 for 114 sqft less living space and +$12,400 for being newer. Net adjustment: -$11,621.

The Neighborhood

This home is valued 1.4% above the R371X - Round Rock West Below 45 - Duplex median of $419,343. With 462 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.8% over the past year.

R371X - Round Rock West Below 45 - Duplex

typical
462 Properties
$419,343 Median Value
-8.8% YoY Change
0% Have Pool
94% Have Garage
This Home
$425,048
Median
$419,343

This home is +1.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,822 across all districts. With a homestead exemption claimed, that drops to $7,048 — saving $1,774 per year. That's $587 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%$3,796
AustinCity0.5240%$2,227
Williamson CountyCounty0.3694%$1,570
Anderson Mill Limited Districtspecial0.1243%$529
Austin Community Collegespecial0.1034%$439
Williamson County FM/RdCounty0.0443%$188
Upper Brushy Creek WCIDWater0.0170%$72
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,822

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $468,036 would pay approximately $2,921 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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