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3941 UPPER PASSAGE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,097 sqftBuilt 2000

Property at a Glance

This home is estimated between $327,615 and $406,019, with a best estimate of $365,967. 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

$327,615 $406,019
Best Estimate
$365,967
WCAD Value
$365,185
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 $327,615 and $406,019. 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 $332,156

Adjusted +$35,625 for 175 sqft more living space. Net adjustment: +$35,625.

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 $406,019

Adjusted +$34,404 for 169 sqft more living space. Net adjustment: +$34,404.

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 $327,615

Adjusted +$35,625 for 175 sqft more living space. Net adjustment: +$35,625.

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 $365,967

Adjusted -$1,629 for 8 sqft less living space. Net adjustment: -$1,629.

3938 UPPER PASSAGE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,025 sqft Built 2003
Raw Value $379,231
Adjusted Value $398,090

Adjusted +$14,657 for 72 sqft more living space and +$4,202 for being newer. Net adjustment: +$18,859.

The Neighborhood

This home is in line with the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. 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
$365,185
Median
$368,194

This home is -0.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,571 across all districts. With a homestead exemption claimed, that drops to $5,253 — saving $1,318 per year. That's $438 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%$3,261
Round RockCity0.3720%$1,358
Williamson CountyCounty0.3694%$1,349
Austin Community Collegespecial0.1034%$378
Williamson County FM/RdCounty0.0443%$162
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,571

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $365,967 would pay approximately $2,284 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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