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

1220 CHRISTOPHER AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed4 bath1,008 sqftBuilt 1985

Property at a Glance

This home is estimated between $415,302 and $424,486, with a best estimate of $418,929. That places the property below 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

$415,302 $424,486
Best Estimate
$418,929
WCAD Value
$436,998
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 $415,302 and $424,486. 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 $418,929

Adjusted -$28,466 for 140 sqft less living space. Net adjustment: -$28,466.

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 $418,929

Adjusted -$28,466 for 140 sqft less living space. Net adjustment: -$28,466.

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 $415,302

Adjusted -$33,753 for 166 sqft less living space. Net adjustment: -$33,753.

1317/1319 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 $418,929

Adjusted -$28,466 for 140 sqft less living space. Net adjustment: -$28,466.

1017 CHRISTOPHER AVE #A/B, ROUND ROCK, TX 78681
0.00 mi 96% similar Same subdivision
4 bed 2 bath 1,154 sqft Built 1996
Raw Value $481,725
Adjusted Value $424,486

Adjusted -$29,686 for 146 sqft less living space and -$27,553 for being older. Net adjustment: -$57,239.

The Neighborhood

This home is in line with the R120X - Round Rock West Above 45 - Duplex median of $434,714. 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
$436,998
Median
$434,714

This home is +0.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,863 across all districts. With a homestead exemption claimed, that drops to $6,532 — saving $1,331 per year. That's $544 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%$3,903
Round RockCity0.3720%$1,626
Williamson CountyCounty0.3694%$1,614
Austin Community Collegespecial0.1034%$452
Williamson County FM/RdCounty0.0443%$194
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,863

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $418,929 would pay approximately $2,615 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