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

430 CHISHOLM VALLEY DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed4 bath896 sqftBuilt 1982

Property at a Glance

This home is estimated between $193,583 and $415,268, with a best estimate of $405,805. 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

$193,583 $415,268
Best Estimate
$405,805
WCAD Value
$354,253
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $193,583 and $415,268. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

920 CHISHOLM CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 996 sqft Built 1984
Raw Value $451,014
Adjusted Value $405,805

Adjusted -$20,333 for 100 sqft less living space and -$5,010 for being older and -$19,866 for no garage. Net adjustment: -$45,209.

921 CHISHOLM CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 996 sqft Built 1984
Raw Value $451,014
Adjusted Value $405,805

Adjusted -$20,333 for 100 sqft less living space and -$5,010 for being older and -$19,866 for no garage. Net adjustment: -$45,209.

924/926 CHISHOLM CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 996 sqft Built 1984
Raw Value $460,477
Adjusted Value $415,268

Adjusted -$20,333 for 100 sqft less living space and -$5,010 for being older and -$19,866 for no garage. Net adjustment: -$45,209.

3 bed 2 bath 1,172 sqft Built 1977
Raw Value $285,213
Adjusted Value $221,752

Adjusted -$56,119 for 276 sqft less living space and +$12,524 for being newer and -$19,866 for no garage. Net adjustment: -$63,461.

3 bed 2 bath 1,165 sqft Built 1975
Raw Value $250,610
Adjusted Value $193,583

Adjusted -$54,695 for 269 sqft less living space and +$17,534 for being newer and -$19,866 for no garage. Net adjustment: -$57,027.

The Neighborhood

This home is valued 18.5% below the R120X - Round Rock West Above 45 - Duplex median of $434,714. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.8% over the past year.

R120X - Round Rock West Above 45 - Duplex

below average
295 Properties
$434,714 Median Value
-1.8% YoY Change
0% Have Pool
84% Have Garage
This Home
$354,253
Median
$434,714

This home is -18.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,374 across all districts. With a homestead exemption claimed, that drops to $5,058 — saving $1,316 per year. That's $422 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%$3,164
Round RockCity0.3720%$1,318
Williamson CountyCounty0.3694%$1,309
Austin Community Collegespecial0.1034%$366
Williamson County FM/RdCounty0.0443%$157
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,374

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $405,805 would pay approximately $2,533 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 4/19/2026.

View full property details