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

309 LIBERTY AVE E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath950 sqftBuilt 1940

Property at a Glance

This home is estimated between $132,166 and $343,513, with a best estimate of $207,557. That places the property below the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$132,166 $343,513
Best Estimate
$207,557
WCAD Value
$236,953
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R701575F - OLD TOWN ROUND ROCK, this home's estimated market value is between $132,166 and $343,513. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

511 PECAN AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 890 sqft Built 1960
Raw Value $253,998
Adjusted Value $207,557

Adjusted +$15,406 for 60 sqft more living space and -$61,847 for being older. Net adjustment: -$46,441.

107 ANDERSON AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 999 sqft Built 1960
Raw Value $417,941
Adjusted Value $343,513

Adjusted -$12,581 for 49 sqft less living space and -$61,847 for being older. Net adjustment: -$74,428.

307 MILAM AVE E, ROUND ROCK, TX 78664
0.00 mi 98% similar Same subdivision
2 bed 1 bath 816 sqft Built 1955
Raw Value $200,679
Adjusted Value $188,700

Adjusted +$34,406 for 134 sqft more living space and -$46,385 for being older. Net adjustment: -$11,979.

411 BELLVIEW AVE, ROUND ROCK, TX 78664
0.00 mi 91% similar Same subdivision
2 bed 1 bath 818 sqft Built 1975
Raw Value $206,506
Adjusted Value $132,166

Adjusted +$33,892 for 132 sqft more living space and -$108,232 for being older. Net adjustment: -$74,340.

409 MILAM AVE, ROUND ROCK, TX 78664
0.00 mi 87% similar Same subdivision
2 bed 1 bath 576 sqft Built 1955
Raw Value $180,169
Adjusted Value $229,813

Adjusted +$96,029 for 374 sqft more living space and -$46,385 for being older. Net adjustment: +$49,644.

The Neighborhood

This home is valued 25.8% below the R701575F - OLD TOWN ROUND ROCK median of $319,256. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

below average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$236,953
Median
$319,256

This home is -25.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,172 across all districts. With a homestead exemption claimed, that drops to $2,879 — saving $1,293 per year. That's $240 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%$2,071
Round RockCity0.3720%$863
Williamson CountyCounty0.3694%$857
Austin Community Collegespecial0.1034%$240
Williamson County FM/RdCounty0.0443%$103
Upper Brushy Creek WCIDWater0.0170%$39
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,172

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $207,557 would pay approximately $1,296 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