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402 AUSTIN AVE E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath1,542 sqftBuilt 1940

Property at a Glance

This home is estimated between $356,343 and $512,791, with a best estimate of $440,000. 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

$356,343 $512,791
Best Estimate
$440,000
WCAD Value
$387,259
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 $356,343 and $512,791. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

710 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1,460 sqft Built 1940
Raw Value $479,901
Adjusted Value $500,955

Adjusted +$21,054 for 82 sqft more living space. Net adjustment: +$21,054.

412 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,120 sqft Built 1935
Raw Value $297,561
Adjusted Value $421,376

Adjusted +$108,353 for 422 sqft more living space and +$15,462 for being newer. Net adjustment: +$123,815.

808 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
2 bed 1 bath 1,192 sqft Built 1930
Raw Value $319,211
Adjusted Value $440,000

Adjusted +$89,866 for 350 sqft more living space and +$30,923 for being newer. Net adjustment: +$120,789.

606 E AUSTIN AVE, ROUND ROCK, TX 78664
0.00 mi 96% similar Same subdivision
2 bed 1 bath 1,131 sqft Built 1940
Raw Value $407,262
Adjusted Value $512,791

Adjusted +$105,529 for 411 sqft more living space. Net adjustment: +$105,529.

608 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 88% similar Same subdivision
3 bed 2 bath 1,248 sqft Built 1950
Raw Value $527,000
Adjusted Value $356,343

Adjusted +$75,488 for 294 sqft more living space and -$30,923 for being older and -$90,802 for no pool and -$124,420 for no garage. Net adjustment: -$170,657.

The Neighborhood

This home is valued 21.3% 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
$387,259
Median
$319,256

This home is +21.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,551 across all districts. With a homestead exemption claimed, that drops to $5,234 — saving $1,317 per year. That's $436 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%$3,252
Round RockCity0.3720%$1,354
Williamson CountyCounty0.3694%$1,345
Austin Community Collegespecial0.1034%$376
Williamson County FM/RdCounty0.0443%$161
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,551

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $440,000 would pay approximately $2,746 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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