Beta Williamson County, TX only — data and coverage are limited during early access.

1009 CHRISTOPHER AVE #A/B, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed4 bath991 sqftBuilt 1997

Property at a Glance

This home is estimated between $441,904 and $451,087, with a best estimate of $445,530. That places the property above the R120X - Round Rock West Above 45 - Duplex median of $434,714, in a neighborhood that declined 1.8% over the past year.

Estimated Value Range

$441,904 $451,087
Best Estimate
$445,530
WCAD Value
$467,267
High Confidence

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

Based on 5 comparable properties in R120X - Round Rock West Above 45 - Duplex, this home's estimated market value is between $441,904 and $451,087. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1309/1311 CHRISTOPHER AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,148 sqft Built 1985
Raw Value $447,395
Adjusted Value $445,530

Adjusted -$31,923 for 157 sqft less living space and +$30,058 for being newer. Net adjustment: -$1,865.

1313/1315 CHRISTOPHER AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,148 sqft Built 1985
Raw Value $447,395
Adjusted Value $445,530

Adjusted -$31,923 for 157 sqft less living space and +$30,058 for being newer. Net adjustment: -$1,865.

1225/1227 CHRISTOPHER AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,174 sqft Built 1985
Raw Value $449,055
Adjusted Value $441,904

Adjusted -$37,209 for 183 sqft less living space and +$30,058 for being newer. Net adjustment: -$7,151.

1128 CHRISTOPHER AVE #A/B, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,154 sqft Built 1996
Raw Value $481,725
Adjusted Value $451,087

Adjusted -$33,143 for 163 sqft less living space and +$2,505 for being newer. Net adjustment: -$30,638.

1017 CHRISTOPHER AVE #A/B, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,154 sqft Built 1996
Raw Value $481,725
Adjusted Value $451,087

Adjusted -$33,143 for 163 sqft less living space and +$2,505 for being newer. Net adjustment: -$30,638.

The Neighborhood

This home is valued 7.5% above the R120X - Round Rock West Above 45 - Duplex median of $434,714. With 295 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 1.8% over the past year.

R120X - Round Rock West Above 45 - Duplex

typical
295 Properties
$434,714 Median Value
-1.8% YoY Change
0% Have Pool
84% Have Garage
This Home
$467,267
Median
$434,714

This home is +7.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,407 across all districts. With a homestead exemption claimed, that drops to $7,071 — saving $1,336 per year. That's $589 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%$4,173
Round RockCity0.3720%$1,738
Williamson CountyCounty0.3694%$1,726
Austin Community Collegespecial0.1034%$483
Williamson County FM/RdCounty0.0443%$207
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,407

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $445,530 would pay approximately $2,781 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.

View full property details