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3931 UPPER PASSAGE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,702 sqftBuilt 2000

Property at a Glance

This home is estimated between $323,843 and $347,389, with a best estimate of $332,296. 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

$323,843 $347,389
Best Estimate
$332,296
WCAD Value
$334,653
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 $323,843 and $347,389. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3926 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,723 sqft Built 2000
Raw Value $336,252
Adjusted Value $331,977

Adjusted -$4,275 for 21 sqft less living space. Net adjustment: -$4,275.

3927 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,682 sqft Built 2000
Raw Value $343,318
Adjusted Value $347,389

Adjusted +$4,071 for 20 sqft more living space. Net adjustment: +$4,071.

3943 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,544 sqft Built 2000
Raw Value $291,678
Adjusted Value $323,843

Adjusted +$32,165 for 158 sqft more living space. Net adjustment: +$32,165.

3922 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,813 sqft Built 2000
Raw Value $354,893
Adjusted Value $332,296

Adjusted -$22,597 for 111 sqft less living space. Net adjustment: -$22,597.

3942 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,682 sqft Built 2000
Raw Value $331,167
Adjusted Value $335,238

Adjusted +$4,071 for 20 sqft more living space. Net adjustment: +$4,071.

The Neighborhood

This home is valued 9.1% 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
$334,653
Median
$368,194

This home is -9.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,021 across all districts. With a homestead exemption claimed, that drops to $4,709 — saving $1,312 per year. That's $392 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%$2,989
Round RockCity0.3720%$1,245
Williamson CountyCounty0.3694%$1,236
Austin Community Collegespecial0.1034%$346
Williamson County FM/RdCounty0.0443%$148
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,021

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $332,296 would pay approximately $2,074 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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