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

2005 OLD WEST PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed4 bath2,165 sqftBuilt 1982

Property at a Glance

This home is estimated between $455,174 and $1,146,907, with a best estimate of $501,896. 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

$455,174 $1,146,907
Best Estimate
$501,896
WCAD Value
$414,122
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R120X - Round Rock West Above 45 - Duplex. The estimated range of $455,174 and $1,146,907 should be treated as a rough guide.

Comparable Properties (5)

2003 OLD WEST PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,645 sqft Built 1982
Raw Value $368,150
Adjusted Value $473,881

Adjusted +$105,731 for 520 sqft more living space. Net adjustment: +$105,731.

2105 OLD WEST PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,744 sqft Built 1982
Raw Value $349,707
Adjusted Value $455,174

Adjusted +$85,601 for 421 sqft more living space and +$19,866 for having a garage. Net adjustment: +$105,467.

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $1,146,907

Adjusted +$12,606 for 62 sqft more living space and +$30,058 for being newer. Net adjustment: +$42,664.

4 bed 3 bath 2,144 sqft Built 2016
Raw Value $582,790
Adjusted Value $501,896

Adjusted +$4,270 for 21 sqft more living space and -$85,164 for being older. Net adjustment: -$80,894.

3 bed 2,958 sqft Built 1977
Raw Value $1,255,433
Adjusted Value $1,106,718

Adjusted -$161,239 for 793 sqft less living space and +$12,524 for being newer. Net adjustment: -$148,715.

The Neighborhood

This home is valued 4.7% 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

typical
295 Properties
$434,714 Median Value
-1.8% YoY Change
0% Have Pool
84% Have Garage
This Home
$414,122
Median
$434,714

This home is -4.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,451 across all districts. With a homestead exemption claimed, that drops to $6,124 — saving $1,327 per year. That's $510 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%$3,699
Round RockCity0.3720%$1,541
Williamson CountyCounty0.3694%$1,530
Austin Community Collegespecial0.1034%$428
Williamson County FM/RdCounty0.0443%$184
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,451

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $501,896 would pay approximately $3,133 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