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3946 UPPER PASSAGE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath826 sqftBuilt 2000

Property at a Glance

This home is estimated between $272,447 and $350,851, with a best estimate of $310,017. 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

$272,447 $350,851
Best Estimate
$310,017
WCAD Value
$360,779
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 $272,447 and $350,851. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3939 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 922 sqft Built 2000
Raw Value $296,531
Adjusted Value $276,988

Adjusted -$19,543 for 96 sqft less living space. Net adjustment: -$19,543.

3941 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,097 sqft Built 2000
Raw Value $365,185
Adjusted Value $310,017

Adjusted -$55,168 for 271 sqft less living space. Net adjustment: -$55,168.

3940 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 928 sqft Built 2000
Raw Value $371,615
Adjusted Value $350,851

Adjusted -$20,764 for 102 sqft less living space. Net adjustment: -$20,764.

3933 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 922 sqft Built 2000
Raw Value $291,990
Adjusted Value $272,447

Adjusted -$19,543 for 96 sqft less living space. Net adjustment: -$19,543.

3945 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,105 sqft Built 2000
Raw Value $367,596
Adjusted Value $310,799

Adjusted -$56,797 for 279 sqft less living space. Net adjustment: -$56,797.

The Neighborhood

This home is valued 2.0% 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
$360,779
Median
$368,194

This home is -2.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,491 across all districts. With a homestead exemption claimed, that drops to $5,174 — saving $1,317 per year. That's $431 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%$3,222
Round RockCity0.3720%$1,342
Williamson CountyCounty0.3694%$1,333
Austin Community Collegespecial0.1034%$373
Williamson County FM/RdCounty0.0443%$160
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,491

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $310,017 would pay approximately $1,935 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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