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2109 ANDOVER DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,158 sqftBuilt 1984

Property at a Glance

This home is estimated between $150,849 and $287,059, with a best estimate of $198,563. 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

$150,849 $287,059
Best Estimate
$198,563
WCAD Value
$263,851
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R460483I - Chapel Hill North Sec 1 & 2. The estimated range of $150,849 and $287,059 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,138 sqft Built 1982
Raw Value $254,431
Adjusted Value $232,231

Adjusted +$4,385 for 20 sqft more living space and -$26,585 for being older. Net adjustment: -$22,200.

3 bed 2 bath 1,228 sqft Built 1979
Raw Value $232,658
Adjusted Value $150,849

Adjusted -$15,346 for 70 sqft less living space and -$66,463 for being older. Net adjustment: -$81,809.

3 bed 2 bath 1,098 sqft Built 1979
Raw Value $251,872
Adjusted Value $198,563

Adjusted +$13,154 for 60 sqft more living space and -$66,463 for being older. Net adjustment: -$53,309.

3 bed 2 bath 1,303 sqft Built 1985
Raw Value $305,554
Adjusted Value $287,059

Adjusted -$31,788 for 145 sqft less living space and +$13,293 for being newer. Net adjustment: -$18,495.

3 bed 2 bath 1,284 sqft Built 1979
Raw Value $249,467
Adjusted Value $155,381

Adjusted -$27,623 for 126 sqft less living space and -$66,463 for being older. Net adjustment: -$94,086.

The Neighborhood

This home is valued 1.5% above the R460483I - Chapel Hill North Sec 1 & 2 median of $260,016. With 157 homes in the subdivision, the property sits in the upper tier. 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
$263,851
Median
$260,016

This home is +1.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $4,747 across all districts. With a homestead exemption claimed, that drops to $3,448 — saving $1,299 per year. That's $287 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%$2,356
Round RockCity0.3720%$982
Williamson CountyCounty0.3694%$975
Austin Community Collegespecial0.1034%$273
Williamson County FM/RdCounty0.0443%$117
Upper Brushy Creek WCIDWater0.0170%$45
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,747

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $198,563 would pay approximately $1,239 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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