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12503 SPLIT RAIL PKWY, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,757 sqftBuilt 1978

Property at a Glance

This home is estimated between $334,089 and $478,579, with a best estimate of $397,718. 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

$334,089 $478,579
Best Estimate
$397,718
WCAD Value
$395,538
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 $334,089 and $478,579. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12501 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,085 sqft Built 1978
Raw Value $453,743
Adjusted Value $334,089

Adjusted -$81,434 for 328 sqft less living space and -$38,220 for no pool. Net adjustment: -$119,654.

12505 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,868 sqft Built 1978
Raw Value $414,207
Adjusted Value $386,649

Adjusted -$27,558 for 111 sqft less living space. Net adjustment: -$27,558.

12413 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,908 sqft Built 1975
Raw Value $461,798
Adjusted Value $397,718

Adjusted -$37,489 for 151 sqft less living space and +$11,629 for being newer and -$38,220 for no pool. Net adjustment: -$64,080.

12507 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,778 sqft Built 1978
Raw Value $483,793
Adjusted Value $478,579

Adjusted -$5,214 for 21 sqft less living space. Net adjustment: -$5,214.

12502 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,058 sqft Built 1978
Raw Value $487,463
Adjusted Value $412,733

Adjusted -$74,730 for 301 sqft less living space. Net adjustment: -$74,730.

The Neighborhood

This home is valued 2.9% below the R353476G - Anderson Mill median of $407,368. That positions it competitively for buyers comparing within the neighborhood. 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
$395,538
Median
$407,368

This home is -2.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,210 across all districts. With a homestead exemption claimed, that drops to $6,472 — saving $1,738 per year. That's $539 per month a buyer should budget. The assessed value increased +8.4% vs the subdivision average of +0.2%. This above-average increase gives a protest opportunity score of 56 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,533
AustinCity0.5240%$2,073
Williamson CountyCounty0.3694%$1,461
Anderson Mill Limited Districtspecial0.1243%$492
Austin Community Collegespecial0.1034%$409
Williamson County FM/RdCounty0.0443%$175
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,210
56 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $397,718 would pay approximately $2,483 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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