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12515 SPLIT RAIL PKWY, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath2,142 sqftBuilt 1978

Property at a Glance

This home is estimated between $412,703 and $630,140, with a best estimate of $530,945. 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

$412,703 $630,140
Best Estimate
$530,945
WCAD Value
$455,481
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 $412,703 and $630,140. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12517 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,560 sqft Built 1978
Raw Value $465,589
Adjusted Value $610,085

Adjusted +$144,496 for 582 sqft more living space. Net adjustment: +$144,496.

12519 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,586 sqft Built 1978
Raw Value $492,100
Adjusted Value $630,140

Adjusted +$138,040 for 556 sqft more living space. Net adjustment: +$138,040.

12521 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.06 mi 100% similar Same subdivision
4 bed 2 bath 2,007 sqft Built 1978
Raw Value $497,428
Adjusted Value $530,945

Adjusted +$33,517 for 135 sqft more living space. Net adjustment: +$33,517.

12504 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.07 mi 100% similar Same subdivision
3 bed 2 bath 2,427 sqft Built 1978
Raw Value $483,461
Adjusted Value $412,703

Adjusted -$70,758 for 285 sqft less living space. Net adjustment: -$70,758.

12502 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.08 mi 100% similar Same subdivision
4 bed 2 bath 2,058 sqft Built 1978
Raw Value $487,463
Adjusted Value $508,318

Adjusted +$20,855 for 84 sqft more living space. Net adjustment: +$20,855.

The Neighborhood

This home is valued 11.8% 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
$455,481
Median
$407,368

This home is +11.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,454 across all districts. With a homestead exemption claimed, that drops to $7,642 — saving $1,812 per year. That's $637 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%$4,068
AustinCity0.5240%$2,387
Williamson CountyCounty0.3694%$1,683
Anderson Mill Limited Districtspecial0.1243%$566
Austin Community Collegespecial0.1034%$471
Williamson County FM/RdCounty0.0443%$202
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$9,454

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $530,945 would pay approximately $3,314 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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