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3933 UPPER PASSAGE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath922 sqftBuilt 2000

Property at a Glance

This home is estimated between $296,531 and $370,394, with a best estimate of $330,342. 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

$296,531 $370,394
Best Estimate
$330,342
WCAD Value
$291,990
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 $296,531 and $370,394. 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 $296,531

This comparable closely matches the subject property's features.

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 $329,560

Adjusted -$35,625 for 175 sqft less 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 $370,394

Adjusted -$1,221 for 6 sqft less living space. Net adjustment: -$1,221.

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 $330,342

Adjusted -$37,254 for 183 sqft less living space. Net adjustment: -$37,254.

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 $362,465

Adjusted -$20,968 for 103 sqft less living space and +$4,202 for being newer. Net adjustment: -$16,766.

The Neighborhood

This home is valued 20.7% 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

below average
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$291,990
Median
$368,194

This home is -20.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,254 across all districts. With a homestead exemption claimed, that drops to $3,949 — saving $1,305 per year. That's $329 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%$2,608
Round RockCity0.3720%$1,086
Williamson CountyCounty0.3694%$1,079
Austin Community Collegespecial0.1034%$302
Williamson County FM/RdCounty0.0443%$129
Upper Brushy Creek WCIDWater0.0170%$50
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,254

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $330,342 would pay approximately $2,062 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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