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310 MILAM AVE E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath1,562 sqftBuilt 1930

Property at a Glance

This home is estimated between $258,381 and $469,727, with a best estimate of $333,771. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$258,381 $469,727
Best Estimate
$333,771
WCAD Value
$325,611
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 $258,381 and $469,727. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

107 ANDERSON AVE E, ROUND ROCK, TX 78664
0.00 mi 90% similar Same subdivision
2 bed 1 bath 999 sqft Built 1960
Raw Value $417,941
Adjusted Value $469,727

Adjusted +$144,556 for 563 sqft more living space and -$92,770 for being older. Net adjustment: +$51,786.

307 MILAM AVE E, ROUND ROCK, TX 78664
0.00 mi 87% similar Same subdivision
2 bed 1 bath 816 sqft Built 1955
Raw Value $200,679
Adjusted Value $314,915

Adjusted +$191,544 for 746 sqft more living space and -$77,308 for being older. Net adjustment: +$114,236.

511 PECAN AVE, ROUND ROCK, TX 78664
0.00 mi 80% similar Same subdivision
2 bed 1 bath 890 sqft Built 1960
Raw Value $253,998
Adjusted Value $333,771

Adjusted +$172,543 for 672 sqft more living space and -$92,770 for being older. Net adjustment: +$79,773.

409 MILAM AVE, ROUND ROCK, TX 78664
0.00 mi 79% similar Same subdivision
2 bed 1 bath 576 sqft Built 1955
Raw Value $180,169
Adjusted Value $356,027

Adjusted +$253,166 for 986 sqft more living space and -$77,308 for being older. Net adjustment: +$175,858.

411 BELLVIEW AVE, ROUND ROCK, TX 78664
0.00 mi 72% similar Same subdivision
2 bed 1 bath 818 sqft Built 1975
Raw Value $206,506
Adjusted Value $258,381

Adjusted +$191,030 for 744 sqft more living space and -$139,155 for being older. Net adjustment: +$51,875.

The Neighborhood

This home is valued 2.0% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

typical
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$325,611
Median
$319,256

This home is +2.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $4,040 across all districts. With a homestead exemption claimed, that drops to $2,748 — saving $1,292 per year. That's $229 per month a buyer should budget. The assessed value increased +9.8% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 43 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,005
Round RockCity0.3720%$835
Williamson CountyCounty0.3694%$830
Austin Community Collegespecial0.1034%$232
Williamson County FM/RdCounty0.0443%$100
Upper Brushy Creek WCIDWater0.0170%$38
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,040
43 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $333,771 would pay approximately $2,083 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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