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510/512 WILLOWBEND CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed4 bath1,770 sqftBuilt 1984

Property at a Glance

This home is estimated between $312,902 and $359,409, with a best estimate of $332,116. That places the property below the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$312,902 $359,409
Best Estimate
$332,116
WCAD Value
$336,657
High Confidence

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

Based on 5 comparable properties in R450X - Round Rock East - Duplex, this home's estimated market value is between $312,902 and $359,409. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

514/516 SIERRA CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,821 sqft Built 1984
Raw Value $342,026
Adjusted Value $332,116

Adjusted -$9,910 for 51 sqft less living space. Net adjustment: -$9,910.

510/512 SIERRA CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,815 sqft Built 1984
Raw Value $339,475
Adjusted Value $330,731

Adjusted -$8,744 for 45 sqft less living space. Net adjustment: -$8,744.

517/519 GREENLAWN BLVD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,772 sqft Built 1984
Raw Value $359,798
Adjusted Value $359,409

Adjusted -$389 for 2 sqft less living space. Net adjustment: -$389.

513/515 TEXAS AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,102 sqft Built 1985
Raw Value $417,617
Adjusted Value $352,105

Adjusted -$64,512 for 332 sqft less living space and -$1,000 for being older. Net adjustment: -$65,512.

509/511 GREGORY CT, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
4 bed 3 bath 2,121 sqft Built 1995
Raw Value $392,108
Adjusted Value $312,902

Adjusted -$68,204 for 351 sqft less living space and -$11,002 for being older. Net adjustment: -$79,206.

The Neighborhood

This home is valued 5.3% below the R450X - Round Rock East - Duplex median of $355,449. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.7% over the past year.

R450X - Round Rock East - Duplex

typical
836 Properties
$355,449 Median Value
-8.7% YoY Change
0% Have Pool
84% Have Garage
This Home
$336,657
Median
$355,449

This home is -5.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,057 across all districts. With a homestead exemption claimed, that drops to $4,745 — saving $1,312 per year. That's $395 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%$3,007
Round RockCity0.3720%$1,252
Williamson CountyCounty0.3694%$1,244
Austin Community Collegespecial0.1034%$348
Williamson County FM/RdCounty0.0443%$149
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,057

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $332,116 would pay approximately $2,073 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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