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509 ANDOVER CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed2 bath821 sqftBuilt 1985

Property at a Glance

This home is estimated between $172,628 and $221,348, with a best estimate of $209,918. That places the property below the R460483I - Chapel Hill North Sec 1 & 2 median of $260,016, in a neighborhood that declined 16.9% over the past year.

Estimated Value Range

$172,628 $221,348
Best Estimate
$209,918
WCAD Value
$227,976
High Confidence

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

Based on 5 comparable properties in R460483I - Chapel Hill North Sec 1 & 2, this home's estimated market value is between $172,628 and $221,348. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

507 ANDOVER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 944 sqft Built 1985
Raw Value $241,536
Adjusted Value $214,571

Adjusted -$26,965 for 123 sqft less living space. Net adjustment: -$26,965.

505 ANDOVER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 890 sqft Built 1985
Raw Value $236,475
Adjusted Value $221,348

Adjusted -$15,127 for 69 sqft less living space. Net adjustment: -$15,127.

503 ANDOVER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 951 sqft Built 1985
Raw Value $238,418
Adjusted Value $209,918

Adjusted -$28,500 for 130 sqft less living space. Net adjustment: -$28,500.

501 ANDOVER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 967 sqft Built 1984
Raw Value $217,928
Adjusted Value $172,628

Adjusted -$32,007 for 146 sqft less living space and -$13,293 for being older. Net adjustment: -$45,300.

506 ANDOVER CV, ROUND ROCK, TX 78664
0.01 mi 100% similar Same subdivision
3 bed 2 bath 981 sqft Built 1984
Raw Value $235,630
Adjusted Value $187,260

Adjusted -$35,077 for 160 sqft less living space and -$13,293 for being older. Net adjustment: -$48,370.

The Neighborhood

This home is valued 12.3% below the R460483I - Chapel Hill North Sec 1 & 2 median of $260,016. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 16.9% over the past year.

R460483I - Chapel Hill North Sec 1 & 2

typical
157 Properties
$260,016 Median Value
-16.9% YoY Change
2% Have Pool
90% Have Garage
This Home
$227,976
Median
$260,016

This home is -12.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,102 across all districts. With a homestead exemption claimed, that drops to $2,809 — saving $1,293 per year. That's $234 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%$2,036
Round RockCity0.3720%$848
Williamson CountyCounty0.3694%$842
Austin Community Collegespecial0.1034%$236
Williamson County FM/RdCounty0.0443%$101
Upper Brushy Creek WCIDWater0.0170%$39
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,102

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $209,918 would pay approximately $1,310 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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