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3342 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,286 sqftBuilt 2003

Property at a Glance

This home is estimated between $381,060 and $561,131, with a best estimate of $501,870. That places the property above the R530506E - SONOMA ALL SECTIONS median of $451,534, in a neighborhood that declined 7.0% over the past year.

Estimated Value Range

$381,060 $561,131
Best Estimate
$501,870
WCAD Value
$400,547
High Confidence

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

Based on 5 comparable properties in R530506E - SONOMA ALL SECTIONS, this home's estimated market value is between $381,060 and $561,131. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3319 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,776 sqft Built 2004
Raw Value $370,631
Adjusted Value $501,870

Adjusted +$136,671 for 510 sqft more living space and -$5,432 for being older. Net adjustment: +$131,239.

3304 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,349 sqft Built 2003
Raw Value $397,943
Adjusted Value $381,060

Adjusted -$16,883 for 63 sqft less living space. Net adjustment: -$16,883.

3308 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,478 sqft Built 2003
Raw Value $344,602
Adjusted Value $561,131

Adjusted +$216,529 for 808 sqft more living space. Net adjustment: +$216,529.

3343 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,806 sqft Built 2004
Raw Value $370,908
Adjusted Value $494,107

Adjusted +$128,631 for 480 sqft more living space and -$5,432 for being older. Net adjustment: +$123,199.

3336 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,768 sqft Built 2003
Raw Value $368,726
Adjusted Value $507,540

Adjusted +$138,814 for 518 sqft more living space. Net adjustment: +$138,814.

The Neighborhood

This home is valued 11.3% below the R530506E - SONOMA ALL SECTIONS median of $451,534. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.0% over the past year.

R530506E - SONOMA ALL SECTIONS

typical
1,029 Properties
$451,534 Median Value
-7.0% YoY Change
2% Have Pool
100% Have Garage
This Home
$400,547
Median
$451,534

This home is -11.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,207 across all districts. With a homestead exemption claimed, that drops to $5,883 — saving $1,324 per year. That's $490 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%$3,577
Round RockCity0.3720%$1,490
Williamson CountyCounty0.3694%$1,480
Austin Community Collegespecial0.1034%$414
Williamson County FM/RdCounty0.0443%$178
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,207

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $501,870 would pay approximately $3,133 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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