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12400 SPLIT RAIL CV, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath2,836 sqftBuilt 2000

Property at a Glance

This home is estimated between $678,212 and $765,898, with a best estimate of $682,323. That places the property above the R353476G - Anderson Mill median of $407,368, in a neighborhood that appreciated 0.2% over the past year.

Estimated Value Range

$678,212 $765,898
Best Estimate
$682,323
WCAD Value
$572,221
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 $678,212 and $765,898. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12405 SPLIT RAIL CV, AUSTIN, TX 78750
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,365 sqft Built 1977
Raw Value $472,121
Adjusted Value $678,212

Adjusted +$116,937 for 471 sqft more living space and +$89,154 for being newer. Net adjustment: +$206,091.

12500 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.08 mi 97% similar Same subdivision
3 bed 2 bath 2,398 sqft Built 1978
Raw Value $488,301
Adjusted Value $682,323

Adjusted +$108,744 for 438 sqft more living space and +$85,278 for being newer. Net adjustment: +$194,022.

12502 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.10 mi 97% similar Same subdivision
4 bed 2 bath 2,058 sqft Built 1978
Raw Value $487,463
Adjusted Value $765,898

Adjusted +$193,157 for 778 sqft more living space and +$85,278 for being newer. Net adjustment: +$278,435.

12411 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 96% similar Same subdivision
3 bed 2 bath 2,415 sqft Built 1975
Raw Value $479,029
Adjusted Value $680,458

Adjusted +$104,523 for 421 sqft more living space and +$96,906 for being newer. Net adjustment: +$201,429.

12505 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.10 mi 94% similar Same subdivision
4 bed 2 bath 1,868 sqft Built 1978
Raw Value $414,207
Adjusted Value $739,814

Adjusted +$240,329 for 968 sqft more living space and +$85,278 for being newer. Net adjustment: +$325,607.

The Neighborhood

This home is valued 40.5% 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

above average
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$572,221
Median
$407,368

This home is +40.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,877 across all districts. With a homestead exemption claimed, that drops to $9,921 — saving $1,956 per year. That's $827 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%$5,111
AustinCity0.5240%$2,999
Williamson CountyCounty0.3694%$2,114
Anderson Mill Limited Districtspecial0.1243%$711
Austin Community Collegespecial0.1034%$592
Williamson County FM/RdCounty0.0443%$254
Upper Brushy Creek WCIDWater0.0170%$97
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$11,877

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $682,323 would pay approximately $4,259 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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