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12509 SPLIT RAIL PKWY, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath888 sqftBuilt 1978

Property at a Glance

This home is estimated between $298,749 and $465,565, with a best estimate of $363,121. 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

$298,749 $465,565
Best Estimate
$363,121
WCAD Value
$458,639
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 $298,749 and $465,565. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12510 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,162 sqft Built 1978
Raw Value $508,587
Adjusted Value $440,560

Adjusted -$68,027 for 274 sqft less living space. Net adjustment: -$68,027.

12406 BURLYWOOD TRL, AUSTIN, TX 78750
0.12 mi 100% similar Same subdivision
4 bed 2 bath 1,162 sqft Built 1978
Raw Value $533,592
Adjusted Value $465,565

Adjusted -$68,027 for 274 sqft less living space. Net adjustment: -$68,027.

12517 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.10 mi 100% similar Same subdivision
4 bed 2 bath 1,560 sqft Built 1978
Raw Value $465,589
Adjusted Value $298,749

Adjusted -$166,840 for 672 sqft less living space. Net adjustment: -$166,840.

12408 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.10 mi 100% similar Same subdivision
4 bed 2 bath 1,536 sqft Built 1977
Raw Value $520,127
Adjusted Value $363,121

Adjusted -$160,882 for 648 sqft less living space and +$3,876 for being newer. Net adjustment: -$157,006.

12519 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.11 mi 100% similar Same subdivision
4 bed 2 bath 1,586 sqft Built 1978
Raw Value $492,100
Adjusted Value $318,805

Adjusted -$173,295 for 698 sqft less living space. Net adjustment: -$173,295.

The Neighborhood

This home is valued 12.6% 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
$458,639
Median
$407,368

This home is +12.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,520 across all districts. With a homestead exemption claimed, that drops to $7,704 — saving $1,816 per year. That's $642 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%$4,096
AustinCity0.5240%$2,403
Williamson CountyCounty0.3694%$1,694
Anderson Mill Limited Districtspecial0.1243%$570
Austin Community Collegespecial0.1034%$474
Williamson County FM/RdCounty0.0443%$203
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$9,520

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $363,121 would pay approximately $2,267 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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