Beta Williamson County, TX only — data and coverage are limited during early access.

12522 SPLIT RAIL PKWY, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath2,114 sqftBuilt 1978

Property at a Glance

This home is estimated between $440,546 and $554,371, with a best estimate of $483,251. 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

$440,546 $554,371
Best Estimate
$483,251
WCAD Value
$442,939
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 $440,546 and $554,371. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12525 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,020 sqft Built 1978
Raw Value $453,819
Adjusted Value $477,157

Adjusted +$23,338 for 94 sqft more living space. Net adjustment: +$23,338.

12527 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,141 sqft Built 1978
Raw Value $447,249
Adjusted Value $440,546

Adjusted -$6,703 for 27 sqft less living space. Net adjustment: -$6,703.

12523 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,952 sqft Built 1978
Raw Value $443,031
Adjusted Value $483,251

Adjusted +$40,220 for 162 sqft more living space. Net adjustment: +$40,220.

12528 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,932 sqft Built 1978
Raw Value $509,185
Adjusted Value $554,371

Adjusted +$45,186 for 182 sqft more living space. Net adjustment: +$45,186.

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 $523,993

Adjusted +$26,565 for 107 sqft more living space. Net adjustment: +$26,565.

The Neighborhood

This home is valued 8.7% 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
$442,939
Median
$407,368

This home is +8.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,194 across all districts. With a homestead exemption claimed, that drops to $7,397 — saving $1,797 per year. That's $616 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%$3,956
AustinCity0.5240%$2,321
Williamson CountyCounty0.3694%$1,636
Anderson Mill Limited Districtspecial0.1243%$551
Austin Community Collegespecial0.1034%$458
Williamson County FM/RdCounty0.0443%$196
Upper Brushy Creek WCIDWater0.0170%$75
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$9,194

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $483,251 would pay approximately $3,016 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.

View full property details