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

2105 OLD WEST PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed4 bath1,744 sqftBuilt 1982

Property at a Glance

This home is estimated between $331,407 and $1,041,440, with a best estimate of $638,242. 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

$331,407 $1,041,440
Best Estimate
$638,242
WCAD Value
$349,707
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 $331,407 and $1,041,440 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 $368,414

Adjusted +$20,130 for 99 sqft more living space and -$19,866 for no garage. Net adjustment: +$264.

2007 OLD WEST PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,045 sqft Built 1982
Raw Value $412,475
Adjusted Value $331,407

Adjusted -$61,202 for 301 sqft less living space and -$19,866 for no garage. Net adjustment: -$81,068.

3 bed 2 bath 1,756 sqft Built 1980
Raw Value $868,751
Adjusted Value $871,321

Adjusted -$2,440 for 12 sqft less living space and +$5,010 for being newer. Net adjustment: +$2,570.

3 bed 2 bath 1,938 sqft Built 1971
Raw Value $670,001
Adjusted Value $638,242

Adjusted -$39,446 for 194 sqft less living space and +$27,553 for being newer and -$19,866 for no garage. Net adjustment: -$31,759.

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $1,041,440

Adjusted -$72,995 for 359 sqft less living space and +$30,058 for being newer and -$19,866 for no garage. Net adjustment: -$62,803.

The Neighborhood

This home is valued 19.6% 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
$349,707
Median
$434,714

This home is -19.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,292 across all districts. With a homestead exemption claimed, that drops to $4,977 — saving $1,315 per year. That's $415 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%$3,123
Round RockCity0.3720%$1,301
Williamson CountyCounty0.3694%$1,292
Austin Community Collegespecial0.1034%$362
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,292

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $638,242 would pay approximately $3,984 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