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

12317 SPLIT RAIL PKWY, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath1,827 sqftBuilt 1976

Property at a Glance

This home is estimated between $372,356 and $476,015, with a best estimate of $431,888. 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

$372,356 $476,015
Best Estimate
$431,888
WCAD Value
$402,045
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 $372,356 and $476,015. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12319 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,840 sqft Built 1975
Raw Value $475,367
Adjusted Value $476,015

Adjusted -$3,228 for 13 sqft less living space and +$3,876 for being newer. Net adjustment: +$648.

12315 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,719 sqft Built 1975
Raw Value $383,160
Adjusted Value $413,850

Adjusted +$26,814 for 108 sqft more living space and +$3,876 for being newer. Net adjustment: +$30,690.

12321 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,627 sqft Built 1975
Raw Value $378,357
Adjusted Value $431,888

Adjusted +$49,655 for 200 sqft more living space and +$3,876 for being newer. Net adjustment: +$53,531.

12310 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,152 sqft Built 1975
Raw Value $449,169
Adjusted Value $372,356

Adjusted -$80,689 for 325 sqft less living space and +$3,876 for being newer. Net adjustment: -$76,813.

12313 SPLIT RAIL PKWY, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,603 sqft Built 1975
Raw Value $377,851
Adjusted Value $437,340

Adjusted +$55,613 for 224 sqft more living space and +$3,876 for being newer. Net adjustment: +$59,489.

The Neighborhood

This home is valued 1.3% 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
$402,045
Median
$407,368

This home is -1.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,345 across all districts. With a homestead exemption claimed, that drops to $6,599 — saving $1,746 per year. That's $550 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%$3,591
AustinCity0.5240%$2,107
Williamson CountyCounty0.3694%$1,485
Anderson Mill Limited Districtspecial0.1243%$500
Austin Community Collegespecial0.1034%$416
Williamson County FM/RdCounty0.0443%$178
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,345

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $431,888 would pay approximately $2,696 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