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12531 SPLIT RAIL PKWY, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath2,422 sqftBuilt 1978

Property at a Glance

This home is estimated between $477,709 and $717,563, with a best estimate of $554,612. 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

$477,709 $717,563
Best Estimate
$554,612
WCAD Value
$492,894
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 $477,709 and $717,563. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12303 RUSTED NAIL CV, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,775 sqft Built 1978
Raw Value $393,979
Adjusted Value $554,612

Adjusted +$160,633 for 647 sqft more living space. Net adjustment: +$160,633.

12401 RUSTED NAIL CV, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,845 sqft Built 1978
Raw Value $574,309
Adjusted Value $717,563

Adjusted +$143,254 for 577 sqft more living space. Net adjustment: +$143,254.

12403 RUSTED NAIL CV, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,425 sqft Built 1978
Raw Value $478,454
Adjusted Value $477,709

Adjusted -$745 for 3 sqft less living space. Net adjustment: -$745.

12530 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,115 sqft Built 1980
Raw Value $452,537
Adjusted Value $521,004

Adjusted +$76,220 for 307 sqft more living space and -$7,753 for being older. Net adjustment: +$68,467.

12528 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,932 sqft Built 1978
Raw Value $509,185
Adjusted Value $630,839

Adjusted +$121,654 for 490 sqft more living space. Net adjustment: +$121,654.

The Neighborhood

This home is valued 21.0% 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
$492,894
Median
$407,368

This home is +21.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,231 across all districts. With a homestead exemption claimed, that drops to $8,373 — saving $1,858 per year. That's $698 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%$4,402
AustinCity0.5240%$2,583
Williamson CountyCounty0.3694%$1,821
Anderson Mill Limited Districtspecial0.1243%$613
Austin Community Collegespecial0.1034%$510
Williamson County FM/RdCounty0.0443%$218
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$10,231

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $554,612 would pay approximately $3,462 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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