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4139 ROCKY MOUNTAIN TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath681 sqftBuilt 2006

Property at a Glance

This home is estimated between $56,529 and $293,320, with a best estimate of $132,940. That places the property below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$56,529 $293,320
Best Estimate
$132,940
WCAD Value
$322,365
High Confidence

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

Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $56,529 and $293,320. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4100 ROCKY MOUNTAIN TRL, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
4 bed 2 bath 1,105 sqft Built 2006
Raw Value $379,635
Adjusted Value $293,320

Adjusted -$86,315 for 424 sqft less living space. Net adjustment: -$86,315.

3710 CAP ROCK TRL, ROUND ROCK, TX 78681
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,573 sqft Built 2005
Raw Value $315,928
Adjusted Value $132,940

Adjusted -$181,587 for 892 sqft less living space and -$1,401 for being older. Net adjustment: -$182,988.

3203 FOOTHILLS TRL, ROUND ROCK, TX 78681
0.00 mi 91% similar Same subdivision
3 bed 2 bath 1,853 sqft Built 2002
Raw Value $377,221
Adjusted Value $133,030

Adjusted -$238,588 for 1,172 sqft less living space and -$5,603 for being older. Net adjustment: -$244,191.

4101 ROCKY MOUNTAIN TRL, ROUND ROCK, TX 78681
0.00 mi 91% similar Same subdivision
3 bed 2 bath 2,208 sqft Built 2006
Raw Value $378,530
Adjusted Value $67,674

Adjusted -$310,856 for 1,527 sqft less living space. Net adjustment: -$310,856.

3200 FOOTHILLS TRL, ROUND ROCK, TX 78681
0.00 mi 89% similar Same subdivision
3 bed 2 bath 2,228 sqft Built 2002
Raw Value $377,060
Adjusted Value $56,529

Adjusted -$314,928 for 1,547 sqft less living space and -$5,603 for being older. Net adjustment: -$320,531.

The Neighborhood

This home is valued 12.4% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

typical
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$322,365
Median
$368,194

This home is -12.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,800 across all districts. With a homestead exemption claimed, that drops to $4,490 — saving $1,310 per year. That's $374 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%$2,879
Round RockCity0.3720%$1,199
Williamson CountyCounty0.3694%$1,191
Austin Community Collegespecial0.1034%$333
Williamson County FM/RdCounty0.0443%$143
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,800

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $132,940 would pay approximately $830 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.

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