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308 E MILAM AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath758 sqftBuilt 1970

Property at a Glance

This home is estimated between $175,638 and $386,985, with a best estimate of $251,029. 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

$175,638 $386,985
Best Estimate
$251,029
WCAD Value
$148,856
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 $175,638 and $386,985. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

411 BELLVIEW AVE, ROUND ROCK, TX 78664
0.00 mi 98% similar Same subdivision
2 bed 1 bath 818 sqft Built 1975
Raw Value $206,506
Adjusted Value $175,638

Adjusted -$15,406 for 60 sqft less living space and -$15,462 for being older. Net adjustment: -$30,868.

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 $232,172

Adjusted -$14,892 for 58 sqft less living space and +$46,385 for being newer. Net adjustment: +$31,493.

409 MILAM AVE, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
2 bed 1 bath 576 sqft Built 1955
Raw Value $180,169
Adjusted Value $273,284

Adjusted +$46,730 for 182 sqft more living space and +$46,385 for being newer. Net adjustment: +$93,115.

107 ANDERSON AVE E, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
2 bed 1 bath 999 sqft Built 1960
Raw Value $417,941
Adjusted Value $386,985

Adjusted -$61,879 for 241 sqft less living space and +$30,923 for being newer. Net adjustment: -$30,956.

511 PECAN AVE, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
2 bed 1 bath 890 sqft Built 1960
Raw Value $253,998
Adjusted Value $251,029

Adjusted -$33,892 for 132 sqft less living space and +$30,923 for being newer. Net adjustment: -$2,969.

The Neighborhood

This home is valued 53.4% 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

outlier low
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$148,856
Median
$319,256

This home is -53.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $2,678 across all districts. With a homestead exemption claimed, that drops to $1,400 — saving $1,278 per year. That's $117 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 33 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$1,329
Round RockCity0.3720%$554
Williamson CountyCounty0.3694%$550
Austin Community Collegespecial0.1034%$154
Williamson County FM/RdCounty0.0443%$66
Upper Brushy Creek WCIDWater0.0170%$25
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$2,678
33 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $251,029 would pay approximately $1,567 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 4/19/2026.

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