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

11201 AMETHYST TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,999 sqftBuilt 1978

Property at a Glance

This home is estimated between $373,377 and $546,378, with a best estimate of $522,866. That places the property above the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608, in a neighborhood that declined 7.3% over the past year.

Estimated Value Range

$373,377 $546,378
Best Estimate
$522,866
WCAD Value
$379,186
High Confidence

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

Based on 5 comparable properties in R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD, this home's estimated market value is between $373,377 and $546,378. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

11216 AMETHYST TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,515 sqft Built 1978
Raw Value $427,158
Adjusted Value $546,378

Adjusted +$119,220 for 484 sqft more living space. Net adjustment: +$119,220.

11707 BIRCHBARK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,728 sqft Built 1983
Raw Value $387,819
Adjusted Value $429,618

Adjusted +$66,753 for 271 sqft more living space and -$24,954 for being older. Net adjustment: +$41,799.

11700 HARDWOOD TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,560 sqft Built 1981
Raw Value $439,968
Adjusted Value $533,130

Adjusted +$108,135 for 439 sqft more living space and -$14,973 for being older. Net adjustment: +$93,162.

11710 TANGLEBRIAR TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,910 sqft Built 1984
Raw Value $381,399
Adjusted Value $373,377

Adjusted +$21,923 for 89 sqft more living space and -$29,945 for being older. Net adjustment: -$8,022.

11907 HARDWOOD TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,642 sqft Built 1980
Raw Value $444,911
Adjusted Value $522,866

Adjusted +$87,937 for 357 sqft more living space and -$9,982 for being older. Net adjustment: +$77,955.

The Neighborhood

This home is valued 2.2% below the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.3% over the past year.

R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD

typical
834 Properties
$387,608 Median Value
-7.3% YoY Change
2% Have Pool
97% Have Garage
This Home
$379,186
Median
$387,608

This home is -2.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,871 across all districts. With a homestead exemption claimed, that drops to $6,153 — saving $1,718 per year. That's $513 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%$3,387
AustinCity0.5240%$1,987
Williamson CountyCounty0.3694%$1,401
Anderson Mill Limited Districtspecial0.1243%$471
Austin Community Collegespecial0.1034%$392
Williamson County FM/RdCounty0.0443%$168
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$7,871

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $522,866 would pay approximately $3,264 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.

View full property details