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

306 ANDERSON AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,692 sqftBuilt 1984

Property at a Glance

This home is estimated between $204,660 and $420,461, with a best estimate of $315,745. 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

$204,660 $420,461
Best Estimate
$315,745
WCAD Value
$402,751
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R701575F - OLD TOWN ROUND ROCK. The estimated range of $204,660 and $420,461 should be treated as a rough guide.

Comparable Properties (5)

801 BAKER, ROUND ROCK, TX 78664
0.00 mi 87% similar Same subdivision
3 bed 2 bath 672 sqft Built 1980
Raw Value $236,998
Adjusted Value $420,461

Adjusted +$261,896 for 1,020 sqft more living space and +$12,369 for being newer and -$90,802 for no pool. Net adjustment: +$183,463.

3 bed 2 bath 1,647 sqft Built 1976
Raw Value $340,594
Adjusted Value $252,467

Adjusted +$11,554 for 45 sqft more living space and +$24,739 for being newer and -$124,420 for no garage. Net adjustment: -$88,127.

809 LIBERTY AVE E, ROUND ROCK, TX 78664
0.00 mi 86% similar Same subdivision
3 bed 2 bath 2,923 sqft Built 1962
Raw Value $716,116
Adjusted Value $343,654

Adjusted -$316,073 for 1,231 sqft less living space and +$68,031 for being newer and -$124,420 for no garage. Net adjustment: -$372,462.

3 bed 2 bath 1,934 sqft Built 1986
Raw Value $508,486
Adjusted Value $315,745

Adjusted -$62,136 for 242 sqft less living space and -$6,185 for being older and -$124,420 for no garage. Net adjustment: -$192,741.

3 bed 2 bath 1,507 sqft Built 1978
Raw Value $263,025
Adjusted Value $204,660

Adjusted +$47,501 for 185 sqft more living space and +$18,554 for being newer and -$124,420 for no garage. Net adjustment: -$58,365.

The Neighborhood

This home is valued 26.2% 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

above average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$402,751
Median
$319,256

This home is +26.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,247 across all districts. With a homestead exemption claimed, that drops to $5,922 — saving $1,325 per year. That's $494 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%$3,597
Round RockCity0.3720%$1,498
Williamson CountyCounty0.3694%$1,488
Austin Community Collegespecial0.1034%$416
Williamson County FM/RdCounty0.0443%$179
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,247

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $315,745 would pay approximately $1,971 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