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12507 SPLIT RAIL PKWY, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,778 sqftBuilt 1978

Property at a Glance

This home is estimated between $322,331 and $417,946, with a best estimate of $391,862. 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

$322,331 $417,946
Best Estimate
$391,862
WCAD Value
$483,793
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 $322,331 and $417,946. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12505 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,868 sqft Built 1978
Raw Value $414,207
Adjusted Value $391,862

Adjusted -$22,345 for 90 sqft less living space. Net adjustment: -$22,345.

12503 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,757 sqft Built 1978
Raw Value $395,538
Adjusted Value $400,752

Adjusted +$5,214 for 21 sqft more 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 $417,946

Adjusted -$69,517 for 280 sqft less living space. Net adjustment: -$69,517.

12504 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,427 sqft Built 1978
Raw Value $483,461
Adjusted Value $322,331

Adjusted -$161,130 for 649 sqft less living space. Net adjustment: -$161,130.

12501 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.05 mi 100% similar Same subdivision
3 bed 2 bath 2,085 sqft Built 1978
Raw Value $453,743
Adjusted Value $339,303

Adjusted -$76,220 for 307 sqft less living space and -$38,220 for no pool. Net adjustment: -$114,440.

The Neighborhood

This home is valued 18.8% 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

above average
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$483,793
Median
$407,368

This home is +18.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,042 across all districts. With a homestead exemption claimed, that drops to $8,195 — saving $1,847 per year. That's $683 per month a buyer should budget. The assessed value increased +9.0% vs the subdivision average of +0.2%. This above-average increase gives a protest opportunity score of 59 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,321
AustinCity0.5240%$2,535
Williamson CountyCounty0.3694%$1,787
Anderson Mill Limited Districtspecial0.1243%$602
Austin Community Collegespecial0.1034%$500
Williamson County FM/RdCounty0.0443%$214
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$10,042
59 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $391,862 would pay approximately $2,446 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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