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1005 AUSTIN AVE E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,456 sqftBuilt 1955

Property at a Glance

This home is estimated between $205,603 and $649,679, with a best estimate of $441,861. 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

$205,603 $649,679
Best Estimate
$441,861
WCAD Value
$438,324
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 $205,603 and $649,679. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1101 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,338 sqft Built 1979
Raw Value $361,359
Adjusted Value $441,861

Adjusted +$30,298 for 118 sqft more living space and -$74,216 for being older and +$124,420 for having a garage. Net adjustment: +$80,502.

608 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,248 sqft Built 1950
Raw Value $527,000
Adjusted Value $505,066

Adjusted +$53,406 for 208 sqft more living space and +$15,462 for being newer and -$90,802 for no pool. Net adjustment: -$21,934.

405 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
3 bed 2 bath 1,488 sqft Built 1994
Raw Value $370,917
Adjusted Value $366,520

Adjusted -$8,216 for 32 sqft less living space and -$120,601 for being older and +$124,420 for having a garage. Net adjustment: -$4,397.

710 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 96% similar Same subdivision
3 bed 1,460 sqft Built 1940
Raw Value $479,901
Adjusted Value $649,679

Adjusted -$1,027 for 4 sqft less living space and +$46,385 for being newer and +$124,420 for having a garage. Net adjustment: +$169,778.

303 AUSTIN AVE E, ROUND ROCK, TX 78664
0.00 mi 96% similar Same subdivision
3 bed 2 bath 1,320 sqft Built 1991
Raw Value $282,008
Adjusted Value $205,603

Adjusted +$34,919 for 136 sqft more living space and -$111,324 for being older. Net adjustment: -$76,405.

The Neighborhood

This home is valued 37.3% 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
$438,324
Median
$319,256

This home is +37.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,460 across all districts. With a homestead exemption claimed, that drops to $6,133 — saving $1,327 per year. That's $511 per month a buyer should budget. The assessed value increased +12.4% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 66 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,703
Round RockCity0.3720%$1,542
Williamson CountyCounty0.3694%$1,532
Austin Community Collegespecial0.1034%$429
Williamson County FM/RdCounty0.0443%$184
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,460
66 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $441,861 would pay approximately $2,758 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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