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12517 SPLIT RAIL PKWY, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath1,560 sqftBuilt 1978

Property at a Glance

This home is estimated between $310,985 and $607,400, with a best estimate of $386,449. That places the property below the R353476G - Anderson Mill median of $407,368, in a neighborhood that appreciated 0.2% over the past year.

Estimated Value Range

$310,985 $607,400
Best Estimate
$386,449
WCAD Value
$465,589
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 $310,985 and $607,400. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12519 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,586 sqft Built 1978
Raw Value $492,100
Adjusted Value $485,645

Adjusted -$6,455 for 26 sqft less living space. Net adjustment: -$6,455.

12515 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,142 sqft Built 1978
Raw Value $455,481
Adjusted Value $310,985

Adjusted -$144,496 for 582 sqft less living space. Net adjustment: -$144,496.

12521 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,007 sqft Built 1978
Raw Value $497,428
Adjusted Value $386,449

Adjusted -$110,979 for 447 sqft less living space. Net adjustment: -$110,979.

12523 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.06 mi 100% similar Same subdivision
4 bed 2 bath 1,952 sqft Built 1978
Raw Value $443,031
Adjusted Value $345,708

Adjusted -$97,323 for 392 sqft less living space. Net adjustment: -$97,323.

12510 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.07 mi 100% similar Same subdivision
4 bed 2 bath 1,162 sqft Built 1978
Raw Value $508,587
Adjusted Value $607,400

Adjusted +$98,813 for 398 sqft more living space. Net adjustment: +$98,813.

The Neighborhood

This home is valued 14.3% 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
$465,589
Median
$407,368

This home is +14.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,664 across all districts. With a homestead exemption claimed, that drops to $7,840 — saving $1,824 per year. That's $653 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%$4,158
AustinCity0.5240%$2,440
Williamson CountyCounty0.3694%$1,720
Anderson Mill Limited Districtspecial0.1243%$579
Austin Community Collegespecial0.1034%$481
Williamson County FM/RdCounty0.0443%$206
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$9,664

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $386,449 would pay approximately $2,412 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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