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12009 ACORN CREEK TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,617 sqftBuilt 1984

Property at a Glance

This home is estimated between $375,005 and $464,782, with a best estimate of $431,891. 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

$375,005 $464,782
Best Estimate
$431,891
WCAD Value
$370,472
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 $375,005 and $464,782. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12011 ACORN CREEK TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,587 sqft Built 1979
Raw Value $364,792
Adjusted Value $397,136

Adjusted +$7,390 for 30 sqft more living space and +$24,954 for being newer. Net adjustment: +$32,344.

12002 GREY ROCK LN, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,747 sqft Built 1977
Raw Value $372,091
Adjusted Value $375,005

Adjusted -$32,022 for 130 sqft less living space and +$34,936 for being newer. Net adjustment: +$2,914.

12013 ACORN CREEK TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,425 sqft Built 1977
Raw Value $349,661
Adjusted Value $431,891

Adjusted +$47,294 for 192 sqft more living space and +$34,936 for being newer. Net adjustment: +$82,230.

12003 GREY ROCK LN, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,444 sqft Built 1977
Raw Value $387,232
Adjusted Value $464,782

Adjusted +$42,614 for 173 sqft more living space and +$34,936 for being newer. Net adjustment: +$77,550.

12008 ACORN CREEK TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,425 sqft Built 1977
Raw Value $349,661
Adjusted Value $431,891

Adjusted +$47,294 for 192 sqft more living space and +$34,936 for being newer. Net adjustment: +$82,230.

The Neighborhood

This home is valued 4.4% 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
$370,472
Median
$387,608

This home is -4.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,690 across all districts. With a homestead exemption claimed, that drops to $5,983 — saving $1,707 per year. That's $499 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%$3,309
AustinCity0.5240%$1,941
Williamson CountyCounty0.3694%$1,369
Anderson Mill Limited Districtspecial0.1243%$461
Austin Community Collegespecial0.1034%$383
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$7,690

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $431,891 would pay approximately $2,696 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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