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1004 AQUALINE CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,401 sqftBuilt 1907

Property at a Glance

This home is estimated between $317,462 and $549,655, with a best estimate of $387,160. That places the property below the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515, in a neighborhood that declined 5.9% over the past year.

Estimated Value Range

$317,462 $549,655
Best Estimate
$387,160
WCAD Value
$486,555
High Confidence

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

Based on 5 comparable properties in R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK, this home's estimated market value is between $317,462 and $549,655. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1002 AQUALINE CV, ROUND ROCK, TX 78681
0.00 mi 90% similar Same subdivision
3 bed 2 bath 2,504 sqft Built 1977
Raw Value $507,606
Adjusted Value $317,462

Adjusted -$24,451 for 103 sqft less living space and -$165,693 for being older. Net adjustment: -$190,144.

1002 LAKEWOOD LN, ROUND ROCK, TX 78681
0.00 mi 90% similar Same subdivision
3 bed 2 bath 2,290 sqft Built 1979
Raw Value $531,237
Adjusted Value $387,160

Adjusted +$26,350 for 111 sqft more living space and -$170,427 for being older. Net adjustment: -$144,077.

1002 PENNY LN, ROUND ROCK, TX 78681
0.00 mi 87% similar Same subdivision
4 bed 2 bath 1,867 sqft Built 1977
Raw Value $402,932
Adjusted Value $364,002

Adjusted +$126,763 for 534 sqft more living space and -$165,693 for being older. Net adjustment: -$38,930.

1002 ABBEY RD, ROUND ROCK, TX 78681
0.00 mi 85% similar Same subdivision
4 bed 2 bath 1,743 sqft Built 1976
Raw Value $427,631
Adjusted Value $420,504

Adjusted +$156,199 for 658 sqft more living space and -$163,326 for being older. Net adjustment: -$7,127.

1000 ST WILLIAMS AVE, ROUND ROCK, TX 78681
0.00 mi 85% similar Same subdivision
4 bed 2 bath 1,700 sqft Built 1976
Raw Value $546,574
Adjusted Value $549,655

Adjusted +$166,407 for 701 sqft more living space and -$163,326 for being older. Net adjustment: +$3,081.

The Neighborhood

This home is valued 2.1% above the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515. With 822 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.9% over the past year.

R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK

typical
822 Properties
$476,515 Median Value
-5.9% YoY Change
5% Have Pool
96% Have Garage
This Home
$486,555
Median
$476,515

This home is +2.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,754 across all districts. With a homestead exemption claimed, that drops to $7,414 — saving $1,340 per year. That's $618 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%$4,345
Round RockCity0.3720%$1,810
Williamson CountyCounty0.3694%$1,798
Austin Community Collegespecial0.1034%$503
Williamson County FM/RdCounty0.0443%$216
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,754

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $387,160 would pay approximately $2,417 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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