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1003 AUSTIN AVE E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath1,215 sqftBuilt 1950

Property at a Glance

This home is estimated between $394,680 and $584,173, with a best estimate of $492,758. 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

$394,680 $584,173
Best Estimate
$492,758
WCAD Value
$370,856
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 $394,680 and $584,173. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $492,758

Adjusted +$24,392 for 95 sqft more living space and +$46,385 for being newer and +$124,420 for having a garage. Net adjustment: +$195,197.

808 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
2 bed 1 bath 1,192 sqft Built 1930
Raw Value $319,211
Adjusted Value $511,384

Adjusted +$5,906 for 23 sqft more living space and +$61,847 for being newer and +$124,420 for having a garage. Net adjustment: +$192,173.

606 E AUSTIN AVE, ROUND ROCK, TX 78664
0.00 mi 98% similar Same subdivision
2 bed 1 bath 1,131 sqft Built 1940
Raw Value $407,262
Adjusted Value $584,173

Adjusted +$21,568 for 84 sqft more living space and +$30,923 for being newer and +$124,420 for having a garage. Net adjustment: +$176,911.

608 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
3 bed 2 bath 1,248 sqft Built 1950
Raw Value $527,000
Adjusted Value $427,725

Adjusted -$8,473 for 33 sqft less living space and -$90,802 for no pool. Net adjustment: -$99,275.

1109 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
2 bed 1 bath 1,078 sqft Built 1979
Raw Value $324,762
Adjusted Value $394,680

Adjusted +$35,176 for 137 sqft more living space and -$89,678 for being older and +$124,420 for having a garage. Net adjustment: +$69,918.

The Neighborhood

This home is valued 16.2% 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
$370,856
Median
$319,256

This home is +16.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,673 across all districts. With a homestead exemption claimed, that drops to $5,354 — saving $1,319 per year. That's $446 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%$3,312
Round RockCity0.3720%$1,380
Williamson CountyCounty0.3694%$1,370
Austin Community Collegespecial0.1034%$383
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,673

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $492,758 would pay approximately $3,076 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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