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12308 SPLIT RAIL PKWY, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,912 sqftBuilt 1975

Property at a Glance

This home is estimated between $389,583 and $516,833, with a best estimate of $423,404. 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

$389,583 $516,833
Best Estimate
$423,404
WCAD Value
$429,389
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 $389,583 and $516,833. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12306 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,559 sqft Built 1975
Raw Value $367,934
Adjusted Value $455,575

Adjusted +$87,641 for 353 sqft more living space. Net adjustment: +$87,641.

12310 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,152 sqft Built 1975
Raw Value $449,169
Adjusted Value $389,583

Adjusted -$59,586 for 240 sqft less living space. Net adjustment: -$59,586.

12304 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,810 sqft Built 1975
Raw Value $398,080
Adjusted Value $423,404

Adjusted +$25,324 for 102 sqft more living space. Net adjustment: +$25,324.

12311 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,619 sqft Built 1975
Raw Value $444,089
Adjusted Value $516,833

Adjusted +$72,744 for 293 sqft more living space. Net adjustment: +$72,744.

12309 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,171 sqft Built 1975
Raw Value $458,346
Adjusted Value $394,043

Adjusted -$64,303 for 259 sqft less living space. Net adjustment: -$64,303.

The Neighborhood

This home is valued 5.4% 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
$429,389
Median
$407,368

This home is +5.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,913 across all districts. With a homestead exemption claimed, that drops to $7,133 — saving $1,780 per year. That's $594 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%$3,835
AustinCity0.5240%$2,250
Williamson CountyCounty0.3694%$1,586
Anderson Mill Limited Districtspecial0.1243%$534
Austin Community Collegespecial0.1034%$444
Williamson County FM/RdCounty0.0443%$190
Upper Brushy Creek WCIDWater0.0170%$73
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,913

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $423,404 would pay approximately $2,643 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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